<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="素材名称" prop="resourceName">
        <el-input
          v-model="queryParams.resourceName"
          placeholder="请输入素材名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="文件名称" prop="fileName">
        <el-input
          v-model="queryParams.fileName"
          placeholder="请输入素材名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="分类" prop="typeId">
        <el-select v-model="queryParams.typeId" clearable placeholder="请选择分类" @change="val => changeCateType(val, 1)">
          <el-option
            v-for="item in rootTypeList"
            :key="item.dictValue"
            :label="item.dictLabel"
            :value="item.dictValue">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="子分类" prop="typeSubId">
        <el-select v-model="queryParams.typeSubId" clearable placeholder="请选择子分类">
          <el-option
            v-for="item in subTypeList"
            :key="item.dictValue"
            :label="item.dictLabel"
            :value="item.dictValue">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          :disabled="hasMinimizableDialog"
          v-hasPermi="['course:videoResource:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleBatchAdd"
          :disabled="hasMinimizableDialog"
          v-hasPermi="['course:videoResource:batchAdd']"
        >批量新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          :disabled="multiple"
          @click="handleBatchUpdate"
          v-hasPermi="['course:videoResource:batchUpdateClass']"
        >批量修改分类</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['course:videoResource:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="resourceList" @selection-change="handleSelectionChange" border>
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" width="55" align="center">
              <template slot-scope="scope">
                {{ scope.$index + 1 }}
              </template>
            </el-table-column>
      <el-table-column label="素材名称" align="center" :show-overflow-tooltip="true" prop="resourceName"/>
      <el-table-column label="文件名称" align="center" :show-overflow-tooltip="true" prop="fileName"/>
      <el-table-column label="排序" align="center" prop="sort" />
      <el-table-column label="分类" align="center">
        <template slot-scope="scope">
          <span v-if="scope.row.typeId">{{ getTypeName(scope.row.typeId) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="子分类" align="center">
        <template slot-scope="scope">
          <span v-if="scope.row.typeSubId">{{ getTypeName(scope.row.typeSubId) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="视频文件" align="center">
        <template slot-scope="scope">
          <a
            @click="handleVideoPreview(scope.row.videoUrl)"
            style="background-color: #409EFF; color: white; border: none; border-radius: 4px; padding: 4px 12px; cursor: pointer; font-size: 12px; display: inline-block; text-decoration: none;">
            查看文件
          </a>
        </template>
      </el-table-column>
      <el-table-column label="CDN" align="center">
        <template slot-scope="scope">
          <a
            @click="copy(scope.row.videoUrl)"
            style="color: #409EFF; border: none; border-radius: 4px; padding: 4px 12px; cursor: pointer; font-size: 12px; display: inline-block; text-decoration: none;">
            复制链接
          </a>
        </template>
      </el-table-column>
      <el-table-column label="关联题目" align="center">
        <template slot-scope="scope">
          <a
            @click="handleViewProject(scope.row, 3)"
            :style="scope.row.projectIds ? {
              backgroundColor: '#409EFF',
              color: 'white',
              border: 'none',
              borderRadius: '4px',
              padding: '4px 12px',
              cursor: 'pointer',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            } : {
              backgroundColor: 'rgb(154 156 159)',
              color: 'white',
              border: 'none',
              cursor: 'pointer',
              borderRadius: '4px',
              padding: '4px 12px',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            }">
            {{ scope.row.projectIds ? '查看详情' : '未关联题目' }}
          </a>
        </template>
      </el-table-column>
      <el-table-column label="视频时长" align="center">
        <template slot-scope="scope">
          <div style="padding: 4px 12px;background: linear-gradient(to right, rgb(196 219 255), #409EFF)">{{ formatDuration(scope.row.duration) }}</div>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            :disabled="hasMinimizableDialog"
            v-hasPermi="['course:videoResource:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['course:videoResource:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改视频素材库对话框 -->
    <minimizable-dialog :title="title" :visible.sync="open" width="700px" append-to-body :before-close="cancel"
                        @minimize="hasMinimizableDialog = true" @restore="hasMinimizableDialog = false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="素材名称" prop="resourceName" style="margin-top: 20px">
          <el-input v-model="form.resourceName" placeholder="请输入" />
        </el-form-item>

        <el-form-item label="文件名称" prop="fileName" style="margin-top: 20px;display: none">
          <el-input v-model="form.fileName" placeholder="请输入" />
        </el-form-item>

        <el-form-item label="分类" prop="typeId">
          <el-select v-model="form.typeId" placeholder="请选择分类" style="width: 100%" @change="val => changeCateType(val, 2)">
            <el-option
              v-for="item in rootTypeList"
              :key="item.dictValue"
              :label="item.dictLabel"
              :value="item.dictValue">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="子分类" prop="typeSubId">
          <el-select v-model="form.typeSubId" clearable placeholder="请选择子分类" style="width: 100%">
            <el-option
              v-for="item in subTypeList"
              :key="item.dictValue"
              :label="item.dictLabel"
              :value="item.dictValue">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="排序" prop="sort">
          <el-input-number v-model="form.sort"  :min="0" label="请输入排序"></el-input-number>
        </el-form-item>

        <el-form-item label="关联题目" prop="projectIds">
          <el-select
            ref="customSelect"
            class="custom-select-class"
            v-model="form.projectIds"
            multiple
            placeholder="请选择关联题目"
            @click.native.stop="openProjectDialog(form.projectIds, 0)"
            style="width: 100%;">
            <el-option
              v-for="item in projectShowList"
              :key="item.id"
              :label="item.title"
              :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="上传视频" prop="videoUrl" required>
          <el-upload
            ref="videoUpload"
            action="#"
            list-type="picture-card"
            :http-request="videoUpload"
            :file-list="fileList"
            :on-change="handleFileChange"
            accept=".mp4">
            <i slot="default" class="el-icon-plus"></i>
            <div slot="file" slot-scope="{file}">
              <div
                class="el-upload-list__item-thumbnail"
                style="display: flex; justify-content: center; align-items: center; background-color: #f5f7fa; height: 146px;"
              >
                <i class="el-icon-video-camera" style="font-size: 48px;" />
              </div>

              <span v-if="file.status === 'success'" class="el-upload-list__item-status-label">
                <i class="el-icon-upload-success el-icon--check"></i>
              </span>
              <span v-if="file.status === 'fail'" class="el-upload-list__item-status-label">
                <i class="el-icon-circle-close"></i>
              </span>

              <span class="el-upload-list__item-actions">
                <span
                  class="el-upload-list__item-preview"
                  @click="handleVideoPreview(form.videoUrl)"
                >
                  <i class="el-icon-zoom-in"></i>
                </span>
                <span
                  class="el-upload-list__item-delete"
                  @click="handleRemove(file)"
                >
                  <i class="el-icon-delete"></i>
                </span>
              </span>

              <div v-if="file.status === 'uploading'" class="el-upload-list__item-progress">
                <div class="dual-upload-progress">
                  <div class="total-progress">
                    <el-progress
                      :percentage="currentUploadProgress.total"
                      :show-text="true"
                      :width="52"
                      :format="() => `${Math.round(currentUploadProgress.total)}%`"
                    ></el-progress>
                  </div>
                  <div class="line-progress-container">
                    <div class="line-progress-item">
                      <span class="line-label">线路1:</span>
                      <el-progress
                        :percentage="currentUploadProgress.line1"
                        :show-text="false"
                        :width="30"
                        :status="currentUploadProgress.line1Status === 'success' ? 'success' :
                                currentUploadProgress.line1Status === 'failed' ? 'exception' : ''"
                      ></el-progress>
                      <span class="line-status-text">{{ Math.round(currentUploadProgress.line1) }}%</span>
                    </div>
                    <div class="line-progress-item">
                      <span class="line-label">线路2:</span>
                      <el-progress
                        :percentage="currentUploadProgress.line2"
                        :show-text="false"
                        :width="30"
                        :status="currentUploadProgress.line2Status === 'success' ? 'success' :
                                currentUploadProgress.line2Status === 'failed' ? 'exception' : ''"
                      ></el-progress>
                      <span class="line-status-text">{{ Math.round(currentUploadProgress.line2) }}%</span>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </el-upload>
        </el-form-item>

        <el-form-item label="时长">
          <span>{{ formatDuration(form.duration) }}</span>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="cancel">取消</el-button>
        <el-button type="primary" @click="submitForm" :loading="add" :disabled="isUploading || add">
          {{ isUploading ? '上传中...' : '保存' }}
        </el-button>
      </div>
    </minimizable-dialog>

    <el-dialog
      title="视频预览"
      :visible.sync="videoPreviewVisible"
      append-to-body
      :close-on-click-modal="true"
      width="700px"
      class="video-preview-dialog"
      :modal-append-to-body="false"
      :before-close="handleCloseVideoPreview">
      <video ref="up-video" id="video" width="100%" height="400px" controls :src="videoPreviewUrl" />
    </el-dialog>

    <!--批量修改弹框-->
    <minimizable-dialog :title="'批量修改'" :visible.sync="batchUpdateVisible" width="700px" append-to-body :before-close="cancel"
                        @minimize="hasMinimizableDialog = true" @restore="hasMinimizableDialog = false">
      <el-form ref="form" :model="batchUpdateForm" :rules="rules" label-width="80px">
      <el-form-item label="分类" prop="typeId">
          <el-select v-model="batchUpdateForm.typeId" placeholder="请选择分类" style="width: 100%" @change="val => changeCateType(val, 2)">
            <el-option
              v-for="item in rootTypeList"
              :key="item.dictValue"
              :label="item.dictLabel"
              :value="item.dictValue">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="子分类" prop="typeSubId">
          <el-select v-model="batchUpdateForm.typeSubId" clearable placeholder="请选择子分类" style="width: 100%">
            <el-option
              v-for="item in subTypeList"
              :key="item.dictValue"
              :label="item.dictLabel"
              :value="item.dictValue">
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div class="dialog-footer">
        <el-button @click="cancelBatch">取 消</el-button>
        <el-button type="primary" @click="submitBatchUpdate">保 存</el-button>
      </div>
    </minimizable-dialog>
    <!-- 批量选择视频弹窗 -->
    <minimizable-dialog :title="'选择视频'" :visible.sync="batchAddVisible" width="1200px" append-to-body class="batch-dialog"
      :close-on-click-modal="false" :before-close="cancelBeforeBatch" @minimize="hasMinimizableDialog = true"
      @restore="hasMinimizableDialog = false">
      <div class="filter-container">
        <el-button type="primary" icon="el-icon-plus" size="small" @click="showUploadPanel">上传视频</el-button>
      </div>

      <el-table
        v-loading="batchLoading"
        :data="videoList"
        height="350"
        border>
        <el-table-column label="序号" width="60" align="center">
          <template slot-scope="scope">
            {{ scope.$index + 1 }}
          </template>
        </el-table-column>
        <el-table-column label="素材名称" align="center" prop="resourceName" min-width="120" />
        <el-table-column label="文件名称" align="center" prop="fileName" min-width="120" />
        <el-table-column label="分类" align="center" min-width="100">
          <template slot-scope="scope">
            {{ getTypeName(scope.row.typeId) }}
          </template>
        </el-table-column>
        <el-table-column label="子分类" align="center" min-width="100">
          <template slot-scope="scope">
            {{ getTypeName(scope.row.typeSubId) }}
          </template>
        </el-table-column>
        <el-table-column label="关联项目" align="center" min-width="100">
          <template slot-scope="scope">
          <a
            @click="handleViewProject(scope.row, 4)"
            :style="scope.row.projectIds.length > 0 ? {
              backgroundColor: '#409EFF',
              color: 'white',
              border: 'none',
              borderRadius: '4px',
              padding: '4px 12px',
              cursor: 'pointer',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            } : {
              backgroundColor: 'rgb(154 156 159)',
              color: 'white',
              border: 'none',
              cursor: 'pointer',
              borderRadius: '4px',
              padding: '4px 12px',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            }">
            {{ scope.row.projectIds.length > 0 ? '查看详情' : '未关联题目' }}
          </a>
        </template>
        </el-table-column>
        <el-table-column label="视频文件" align="center" prop="fileName" min-width="120">
          <template slot-scope="scope">
            <a
              @click="handleVideoPreview(scope.row.videoUrl)"
              style="background-color: #409EFF; color: white; border: none; border-radius: 4px; padding: 4px 12px; cursor: pointer; font-size: 12px; display: inline-block; text-decoration: none;">
              查看文件
            </a>
          </template>
        </el-table-column>
        <el-table-column label="视频时长" align="center" width="80">
          <template slot-scope="scope">
            {{ formatDuration(scope.row.duration) }}
          </template>
        </el-table-column>
        <el-table-column label="上传进度" align="center" width="200">
          <template slot-scope="scope">
            <div class="batch-upload-progress">
              <div v-if="scope.row.uploadStatus === 'queued'" class="queue-status">
                <el-tag :color="getQueueStatusColor(scope.row.uploadStatus)" size="small">
                  {{ getUploadStatusText(scope.row.uploadStatus, scope.row.queuePosition) }}
                </el-tag>
              </div>
              <div v-else class="total-progress-row">
                <span class="progress-label">总进度:</span>
                <el-progress
                  :percentage="scope.row.progress || 0"
                  :status="getProgressStatus(scope.row)"
                  :show-text="true"
                  :format="() => `${Math.round(scope.row.progress || 0)}%`"
                ></el-progress>
              </div>
              <div v-if="scope.row.uploadDetails && scope.row.uploadStatus !== 'queued'" class="line-progress-rows">
                <div class="line-progress-row">
                  <span class="line-label">线路1:</span>
                  <el-progress
                    :percentage="scope.row.uploadDetails.line1 || 0"
                    :status="scope.row.uploadDetails.line1Status === 'success' ? 'success' :
                            scope.row.uploadDetails.line1Status === 'failed' ? 'exception' : 'warning'"
                    :show-text="false"
                    style="width: 60px;"
                  ></el-progress>
                  <span class="line-percentage">{{ Math.round(scope.row.uploadDetails.line1 || 0) }}%</span>
                </div>
                <div class="line-progress-row">
                  <span class="line-label">线路2:</span>
                  <el-progress
                    :percentage="scope.row.uploadDetails.line2 || 0"
                    :status="scope.row.uploadDetails.line2Status === 'success' ? 'success' :
                            scope.row.uploadDetails.line2Status === 'failed' ? 'exception' : 'warning'"
                    :show-text="false"
                    style="width: 60px;"
                  ></el-progress>
                  <span class="line-percentage">{{ Math.round(scope.row.uploadDetails.line2 || 0) }}%</span>
                </div>
              </div>
            </div>
          </template>

        </el-table-column>
        <el-table-column label="操作" align="center" width="150">
          <template slot-scope="scope">
            <el-button size="mini" type="text" icon="el-icon-edit" @click="handleEditVideo(scope.row)">编辑</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDeleteVideo(scope.row)"
              :style="scope.row.uploadStatus === 'queued' ? 'color: #E6A23C;' : ''"
            >
              {{ scope.row.uploadStatus === 'queued' ? '取消' : '删除' }}
            </el-button>
            <el-button
              v-if="scope.row.progress < 100 && scope.row.uploadStatus === 'failed'"
              size="mini"
              type="text"
              icon="el-icon-refresh"
              @click="retryBatchUpload(scope.row)"
              style="color: #E6A23C;"
            >
              重试
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <div class="dialog-footer">
        <el-button @click="cancelBatch">取 消</el-button>
        <el-button type="primary" :loading="add" :disabled="add || isUploading" @click="submitBatchAdd">保 存</el-button>
      </div>
      <!-- 批量上传视频弹窗 -->
      <el-dialog
        title="批量上传视频"
        :visible.sync="showUpload"
        width="500px"
        append-to-body
        :close-on-click-modal="false"
        class="upload-dialog">
        <el-form :model="batchUploadForm" ref="batchUploadForm" label-width="80px">
          <el-form-item style="margin-top: 20px" label="分类" prop="typeId" :rules="[{ required: true, message: '请选择分类', trigger: 'blur' }]">
            <el-select v-model="batchUploadForm.typeId" placeholder="请选择分类" style="width: 100%" @change="val => changeCateType(val, 3)">
              <el-option
                v-for="item in rootTypeList"
                :key="item.dictValue"
                :label="item.dictLabel"
                :value="item.dictValue">
              </el-option>
            </el-select>
          </el-form-item>

          <el-form-item label="子分类" prop="typeSubId" :rules="[{ required: true, message: '请选择子分类', trigger: 'blur' }]">
            <el-select v-model="batchUploadForm.typeSubId" clearable placeholder="请选择子分类" style="width: 100%" @change="changeSubType">
              <el-option
                v-for="item in subTypeList"
                :key="item.dictValue"
                :label="item.dictLabel"
                :value="item.dictValue">
              </el-option>
            </el-select>
          </el-form-item>

          <el-form-item label="关联题目" prop="projectIds" v-show="currentProject === 'myhk'">
            <el-select
              ref="customSelect"
              class="custom-select-class"
              v-model="batchUploadForm.projectIds"
              multiple
              placeholder="请选择关联题目"
              @click.native.stop="openProjectDialog(batchUploadForm.projectIds, 1)"
              style="width: 100%;">
              <el-option
                v-for="item in projectShowList"
                :key="item.id"
                :label="item.title"
                :value="item.id">
              </el-option>
            </el-select>
          </el-form-item>

          <el-form-item label="上传视频" prop="files">
            <el-upload
              ref="batchVideoUpload"
              action="#"
              :http-request="batchVideoUpload"
              :file-list="batchFileList"
              :on-change="handleBatchFileChange"
              multiple
              accept=".mp4">
              <el-button type="primary" :disabled="batchUploadForm.typeSubId === null">选择文件</el-button>
              <div slot="tip" class="el-upload__tip">选择分类后才可以上传视频</div>
            </el-upload>
          </el-form-item>
        </el-form>
      </el-dialog>

      <!-- 添加或修改视频素材库对话框 -->
      <el-dialog :title="batchEditDialog.title" :visible.sync="batchEditDialog.open" width="600px" append-to-body :before-close="batchEditCancel">
        <el-form ref="batchEditDialogForm" :model="batchEditDialog.form" :rules="batchEditDialog.rules" label-width="80px">
          <el-form-item label="素材名称" prop="resourceName" style="margin-top: 20px">
            <el-input v-model="batchEditDialog.form.resourceName" placeholder="请输入" />
          </el-form-item>

          <el-form-item label="文件名称" prop="fileName" style="margin-top: 20px;display: none">
            <el-input v-model="batchEditDialog.form.fileName" placeholder="请输入" />
          </el-form-item>

          <el-form-item label="关联题目" prop="projectIds">
            <el-select
              ref="customSelect"
              class="custom-select-class"
              v-model="batchEditDialog.form.projectIds"
              multiple
              placeholder="请选择关联题目"
              @click.native.stop="openProjectDialog(batchEditDialog.form.projectIds, 2)"
              style="width: 100%;">
              <el-option
                v-for="item in projectShowList"
                :key="item.id"
                :label="item.title"
                :value="item.id">
              </el-option>
            </el-select>
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button @click="batchEditCancel">取消</el-button>
          <el-button type="primary" @click="batchEditSubmitForm">保存</el-button>
        </div>
      </el-dialog>

    </minimizable-dialog>

    <!-- 项目选择弹窗 -->
    <el-dialog
      title="选择题目"
      :visible.sync="projectDialogVisible"
      width="1000px"
      append-to-body
      @close="cancelSelectProject"
      :close-on-click-modal="false">
      <div class="project-container">
        <!-- 左侧分类树 -->
        <div class="category-tree">
          <div class="tree-fixed-header">
            <el-input
              placeholder="请输入分类名称"
              v-model="categoryFilterText"
              size="small"
              clearable
              prefix-icon="el-icon-search">
            </el-input>
          </div>
          <div class="tree-content">
            <el-tree
              ref="categoryTree"
              :data="categoryTreeData"
              node-key="cateId"
              highlight-current
              :filter-node-method="filterNode"
              :props="{ label: 'cateName', children: 'children' }"
              @node-click="handleCategoryClick"
              :expand-on-click-node="false"
              default-expand-all>
              <span class="custom-tree-node" slot-scope="{ node, data }">
                <span>{{ node.label }}</span>
              </span>
            </el-tree>
          </div>
        </div>

        <!-- 右侧题目列表 -->
        <div class="project-list">
          <div class="filter-container">
            <el-form :inline="true" :model="projectQueryParams" ref="projectForm">
              <el-form-item>
                <el-input prefix-icon="el-icon-search" @input="searchProjects" v-model="projectQueryParams.title" placeholder="请输入题目标题" clearable size="small" />
              </el-form-item>
            </el-form>
          </div>

          <el-table
            ref="projectTable"
            height="350"
            :data="projectList"
            row-key="id"
            v-loading="projectLoading"
            border
            @select="handleProjectSelect"
            @select-all="handleProjectSelect">
            <el-table-column type="selection" reserve-selection width="55" align="center" />
            <el-table-column label="序号" width="60" align="center">
              <template slot-scope="scope">
                {{ scope.row.sort }}
              </template>
            </el-table-column>
            <el-table-column label="题目标题" align="center" prop="title" min-width="200" show-overflow-tooltip />
          </el-table>

          <div class="table-footer">
            <el-pagination style="text-align: right" v-show="projectListTotal>0" :pager-count="5" background
              @size-change="handleProjectPageSizeChange" @current-change="handleProjectPageChange" :current-page="projectQueryParams.pageNum"
              :page-sizes="[10, 20, 30, 50]" :page-size="projectQueryParams.pageSize" layout="total, sizes, prev, pager, next, jumper"
              :total="projectListTotal">
            </el-pagination>
          </div>
        </div>
      </div>
      <div slot="footer" class="dialog-footer">
        <span style="float: left; color: #606266; font-size: 13px;">
          共选择 <span style="color: #409EFF; font-weight: bold;">{{ selectedProjectIds.length }}</span> 个题目
        </span>
        <el-button @click="projectDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="confirmSelectProject">确定</el-button>
      </div>
    </el-dialog>

    <!-- 项目列表弹窗 -->
    <el-dialog
      title="题目列表"
      :visible.sync="projectListDialogVisible"
      width="600px"
      append-to-body
      :close-on-click-modal="false">
      <div class="project-list-container" style="max-height: 500px; overflow-y: auto; padding: 10px;">
        <!-- 题目列表 -->
        <div v-for="(item, index) in projectShowList" :key="index" class="question-card">
          <!-- 题目标题 -->
          <div class="question-header">
            <span class="question-index">{{ index + 1 }}</span>
            <span class="question-title">{{ item.title }}</span>
          </div>

          <!-- 题目类型 -->
          <div class="question-type">
            <el-tag size="small" type="primary">{{ item.type === 1 ? '单选' : '多选' }}</el-tag>
          </div>

          <!-- 题目内容 -->
          <div class="question-content" v-if="item.question && item.question.length > 0">
            <div class="content-title">题目内容：</div>
            <div v-for="(q, qIndex) in JSON.parse(item.question)" :key="qIndex" class="question-item"
                 :style=" q.isAnswer === 1 ? 'background-color: rgb(234 245 251)' : ''">
              <div class="question-item-header">
                <span class="item-index">{{ convertToLetter(qIndex) }}</span>
                <span class="item-name">{{ q.name }}</span>
              </div>
            </div>
          </div>

          <!-- 答案 -->
          <div class="question-answer" v-if="item.answer">
            <span class="answer-label">答案：</span>
            <span class="answer-content">{{ item.answer }}</span>
          </div>
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  addVideoResource,
  deleteVideoResource,
  getVideoResource,
  listVideoResource,
  updateVideoResource,
  batchAddVideoResource,
  batchUpdateVideoResource
} from '@/api/course/videoResource'
import {listUserCourseCategory,getCatePidList,getCateListByPid} from '@/api/course/userCourseCategory'
import {getByIds, listCourseQuestionBank} from '@/api/course/courseQuestionBank'
import {getThumbnail} from "@/api/course/userVideo";
import {uploadObject} from "@/utils/cos.js";
import {uploadToOBS} from "@/utils/obs.js";
import {uploadToHSY} from "@/utils/hsy.js";
import MinimizableDialog from "@/components/MinimizableDialog"
import log from "@/views/monitor/job/log.vue";

export default {
  name: 'VideoResource',
  components: {
    MinimizableDialog
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 视频素材库表格数据
      resourceList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        resourceName: null,
        fileName: null,
        typeId: null,
        typeSubId: null
      },
      // 表单参数
      form: {
        id: null,
        resourceName: null,
        fileName: null,
        thumbnail: null,
        line1: null,
        line2: null,
        line3: null,
        duration: null,
        fileSize: null,
        fileKey: null,
        videoUrl: null,
        typeId: null,
        typeSubId: null,
        projectIds: [],
        sort: null,
        hsyVid:null,//火山云上传视频返回vid
        hsyVodUrl:null,//火山云url
        // 新增上传状态字段
        uploadStatus: 'pending', // pending, uploading, success, failed
        uploadProgress: {
          total: 0,
          line1: 0,
          line2: 0,
          line1Status: 'pending', // pending, uploading, success, failed
          line2Status: 'pending'
        }
      },
      // 表单校验
      rules: {
        resourceName: [
          { required: true, message: "素材名称不能为空", trigger: "blur" }
        ],
        fileName: [
          { required: true, message: "文件名称不能为空", trigger: "blur" }
        ],
        typeId: [
          { required: true, message: "请选择分类", trigger: "change" }
        ],
        typeSubId: [
          { required: true, message: "请选择子分类", trigger: "change" }
        ],
        sort: [
          { required: true, message: '排序不能为空', trigger: 'blur' }
        ],
        videoUrl: [
          { required: true, message: "请上传视频", trigger: "change" }
        ]
      },
      // 课程列表数据
      projectList: [],
      projectShowList: [],
      // 分类
      typeList: [],
      rootTypeList: [],
      subTypeList: [],
      // 视频上传
      videoDisabled: false,
      videoPreviewVisible: false,
      videoPreviewUrl: '',
      fileList: [],
      // 批量添加相关
      batchAddVisible: false,
      batchLoading: false,
      videoList: [],

      // 批量修改相关
      batchUpdateVisible: false,
      batchUpdateLoading: false,
      batchUpdateForm: {
        typeId: null,
        typeSubId: null,
        ids: [],
      },

      // 批量上传相关
      showUpload: false,
      batchUploadForm: {
        typeId: null,
        typeSubId: null,
        projectIds: [],
        files: []
      },
      batchFileList: [],

      // 弹窗选择项目相关
      projectDialogVisible: false,
      projectQueryParams: {
        pageNum: 1,
        pageSize: 10,
        questionType: null,
        questionSubType: null,
        title: null
      },
      projectLoading: false,
      projectListTotal: 0,
      selectedProjectIds: [],
      selectedType: 0,
      currentRow: null,
      // 分类树相关数据
      categoryFilterText: '',
      categoryTreeData: [],
      add: false,
      // 题目列表
      projectListDialogVisible: false,
      // 修改视频记录
      batchEditDialog: {
        title: '修改视频',
        open: false,
        form: {},
        rules: {
          resourceName: [
            { required: true, message: "素材名称不能为空", trigger: "blur" }
          ],
          fileName: [
            { required: true, message: "文件名称不能为空", trigger: "blur" }
          ]
        },
      },
      // 是否存在最小化窗口
      hasMinimizableDialog: false,
      // 新增上传相关状态
      isUploading: false,
      currentUploadProgress: {
        total: 0,
        line1: 0,
        line2: 0,
        line1Status: 'pending',
        line2Status: 'pending'
      },
      // 上传任务队列
      uploadQueue: [], // 上传队列
      currentBatchSize: 2, // 每批上传数量
      isProcessingBatch: false, // 是否正在处理批次
      currentBatchIndex: 0, // 当前批次索引
      uploadCancellationTokens: new Map(), // Store cancellation functions by video ID
      currentProject: process.env.VUE_APP_PROJECT
    }
  },
  watch: {
    categoryFilterText(val) {
      this.$refs.categoryTree.filter(val);
    }
  },
  created() {
    this.getTypeList();
    this.getRootTypeList()
    this.getList();
  },
  methods: {
    /** 将数字索引转换为字母序号 (0->A, 1->B, 等) */
    convertToLetter(index) {
      // 确保索引是数字
      let numIndex = parseInt(index, 10);
      // 如果无法转换成数字，返回原始值
      if (isNaN(numIndex)) {
        return index;
      }
      // 处理负数情况
      if (numIndex < 0) {
        return index;
      }
      // 直接使用索引计算ASCII码（0对应A，1对应B，以此类推）
      return String.fromCharCode(65 + numIndex); // 65 是大写字母 A 的ASCII码
    },
    /** 查询视频素材库列表 */
    getList() {
      this.loading = true;
      listVideoResource(this.queryParams).then(response => {
        this.resourceList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
      this.resetForm("form");
      this.batchUpdateVisible = false;
      this.changeCateType(this.queryParams.typeId)
      this.$refs.videoUpload.clearFiles()
    },
    // 表单重置
    reset() {
      // 初始化表单对象
      this.form = {
        id: null,
        resourceName: null,
        fileName: null,
        thumbnail: null,
        line1: null,
        line2: null,
        line3: null,
        duration: null,
        fileSize: null,
        fileKey: null,
        videoUrl: null,
        typeId: null,
        typeSubId: null,
        projectIds: []
      };
      // 重置表单验证状态
      this.resetForm("form");
      this.add = false
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      // 先清空文件列表
      this.fileList = [];
      this.projectShowList = [];

      // 先重置表单
      this.reset();
      this.subTypeList = []

      // 重置上传组件
      if (this.$refs.videoUpload) {
        this.$refs.videoUpload.clearFiles();
      }

      // 所有重置完成后再打开弹窗
      this.open = true;
      this.title = "添加视频素材库";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      // 先清空文件列表
      this.fileList = [];
      this.projectShowList = [];

      // 先重置表单
      this.reset();
      this.subTypeList = []

      const id = row.id

      // 获取数据并设置表单
      getVideoResource(id).then(async response => {
        this.form = response.data;
        await this.changeCateType(this.form.typeId)

        // 处理projectIds，确保是数组格式
        if (this.form.projectIds && typeof this.form.projectIds === 'string') {
          this.form.projectIds = this.form.projectIds.split(',').map(id => parseInt(id));
        } else if (!this.form.projectIds) {
          this.form.projectIds = [];
        }

        // 如果存在关联项目，获取项目详情用于回显
        if (this.form.projectIds && this.form.projectIds.length > 0) {
          // 加载项目列表信息用于回显
          await getByIds({ids: this.form.projectIds.join(',')}).then(reponse => {
            this.projectShowList = reponse.data
          });
        }

        // 如果存在视频URL，设置fileList
        if (this.form.videoUrl) {
          this.fileList = [{
            name: this.form.fileName || '视频文件',
            url: this.form.videoUrl,
            thumbnail: this.form.thumbnail,
            status: 'success' // 设置为成功状态
          }];
        }

        // 所有设置完成后再打开弹窗
        this.open = true;
        this.title = "修改视频素材库";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.add){
            this.$message.warning("请勿重复提交")
            return
          }
          this.add = true

          const params = Object.assign({}, this.form);
          console.log("提交素材表单参数",this.form)
          params.projectIds = this.form.projectIds.join(',');
          if (this.form.id != null) {
            updateVideoResource(params).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }
            })
          } else {
            addVideoResource(params).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }
            })
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除视频素材库编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return deleteVideoResource(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    },
    /** 查询视频分类列表 */
    getTypeList() {
      listUserCourseCategory().then(response => {
        this.typeList = response.data;
      });
    },
    getRootTypeList() {
      getCatePidList().then(response => {
        this.rootTypeList = response.data
      });
    },
    async changeCateType(val, type) {
      if (type === 1) {
        this.queryParams.typeSubId = null
      }
      if (type === 2) {
        this.form.typeSubId = null
      }
      if (type === 3) {
        this.batchUploadForm.typeSubId = null
        if (this.currentProject === 'myhk') {
          this.batchUploadForm.projectIds = []
        }
      }
      this.subTypeList = []
      if (!val) {
        return
      }
      await getCateListByPid(val).then(response => {
        this.subTypeList = response.data
      })
    },
    changeSubType(val) {
      if (this.currentProject !== 'myhk') {
        return
      }
      this.projectShowList = []
      this.batchUploadForm.projectIds = []
      listCourseQuestionBank({questionSubType: val}).then(async response => {
        const projectIds = response.rows.map(item => item.id)

        // 如果存在关联项目，获取项目详情用于回显
        if (projectIds && projectIds.length > 0) {
          // 加载项目列表信息用于回显
          await getByIds({ids: projectIds.join(',')}).then(reponse => {
            this.projectShowList = reponse.data
            this.batchUploadForm.projectIds = projectIds
          });
        }
      })
    },
    /** 预览视频 */
    handleVideoPreview(url) {
      this.videoPreviewVisible = true;
      this.videoPreviewUrl = url || this.form.videoUrl;
    },

    /** 格式化视频时长 */
    formatDuration(seconds) {
      if (!seconds) return '00:00';

      const minutes = Math.floor(seconds / 60);
      const remainingSeconds = seconds % 60;

      return `${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`;
    },
    /** 移除视频 */
    handleRemove(file) {
      this.fileList.splice(this.fileList.indexOf(file), 1);
      this.form.videoUrl = '';
      this.form.thumbnail = '';
      this.form.duration = 0;
      this.form.fileSize = 0;
      this.form.fileName = '';
      this.form.line1 = '';
      this.form.line_2 = '';
      this.form.line_3 = '';
      this.uploadType = null
      this.fileSize = null
      this.fileKey = null
    },
    //获取第一帧封面
    async getFirstThumbnail(file, form){
      try {
        //截取小文件
        // 打印原始文件名和大小
        console.log("原始文件名:", file.name);
        console.log("原始文件大小:", file.size, "bytes");
        console.log("原始文件类型:", file.type);

        // 截取小文件
        const clippedBlob = await this.clipVideoFirstTwoSeconds(file);
        console.log("clippedBlob:::::::::", clippedBlob);
        console.log("截取后的Blob大小:", clippedBlob.size, "bytes");
        console.log("截取后的Blob类型:", clippedBlob.type);

        const clippedFile = new File([clippedBlob], 'clipped_video.mp4', {
          type: 'video/mp4',
          lastModified: Date.now()
        });
        // 3. 调用接口获取封面
        const response = await getThumbnail(clippedFile);
        console.log("获取封面请求---------------》",response)
        form.thumbnail = response.url;
      } catch (error) {
        console.error('获取封面失败:', error);
      }
    },

    //截取大文件视频
    async clipVideoFirstTwoSeconds(file) {
      return new Promise((resolve, reject) => {
        const video = document.createElement('video');
        video.src = URL.createObjectURL(file);
        video.muted = true;
        video.playsInline = true;

        video.onloadedmetadata = () => {
          video.currentTime = 0; // 定位到第一帧
          video.onseeked = () => {
            const canvas = document.createElement('canvas');
            canvas.width = video.videoWidth;
            canvas.height = video.videoHeight;
            const ctx = canvas.getContext('2d');
            ctx.drawImage(video, 0, 0, canvas.width, canvas.height);

            canvas.toBlob(
              (blob) => {
                URL.revokeObjectURL(video.src);
                resolve(blob); // 返回 JPEG Blob
              },
              'image/jpeg',
              0.8 // 质量
            );
          };
        };

        video.onerror = () => {
          URL.revokeObjectURL(video.src);
          reject(new Error('视频加载失败'));
        };
      });
    },
    //上传腾讯云Pcdn
    async uploadVideoToTxPcdn(file, form, onProgress) {
      try {
        // 更新线路1状态为上传中
        this.updateUploadProgress('line1Status', 'uploading');

        const data = await uploadObject(file, (progress) => {
          const progressPercent = Math.floor(progress.percent * 100);
          this.updateUploadProgress('line1', progressPercent);
          const progressEvent = { percent: progressPercent, loaded: progress.loaded, total: progress.total, lengthComputable: true };
          onProgress(progressEvent);
        }, 1, (uploadInfo) => {
          if (form.tempId) {
            const tokens = this.uploadCancellationTokens.get(form.tempId) || {};
            tokens.cos = uploadInfo.cancel;
            this.uploadCancellationTokens.set(form.tempId, tokens);
          }
        });

        let line_1 = `${process.env.VUE_APP_VIDEO_LINE_1}${data.urlPath}`;
        form.fileKey = data.urlPath.substring(1);
        form.videoUrl = line_1;
        form.line1 = line_1;

        // 更新线路1状态为成功
        this.updateUploadProgress('line1Status', 'success');
        this.updateUploadProgress('line1', 100);

        this.$message.success("线路一上传成功");
        return { success: true, url: line_1 };
      } catch (error) {
        // 更新线路1状态为失败
        this.updateUploadProgress('line1Status', 'failed');
        this.$message.error("线路一上传失败");
        return { success: false, error: error.message };
      }
    },
    //上传华为云Obs
    // async uploadVideoToHwObs(file, form, onProgress) {
    //   try {
    //     // 更新线路2状态为上传中
    //     this.updateUploadProgress('line2Status', 'uploading');
    //
    //     const data = await uploadToOBS(file, (progress) => {
    //       const progressPercent = Math.floor(progress);
    //       this.updateUploadProgress('line2', progressPercent);
    //       const progressEvent = { percent: progressPercent, loaded: progress, total: progress, lengthComputable: true };
    //       onProgress(progressEvent);
    //     }, 1, (uploadInfo) => {
    //       if (form.tempId) {
    //         const tokens = this.uploadCancellationTokens.get(form.tempId) || {};
    //         tokens.obs = uploadInfo.cancel;
    //         this.uploadCancellationTokens.set(form.tempId, tokens);
    //       }
    //     });
    //
    //     form.line2 = `${process.env.VUE_APP_VIDEO_LINE_2}/${data.urlPath}`;
    //
    //     // 更新线路2状态为成功
    //     this.updateUploadProgress('line2Status', 'success');
    //     this.updateUploadProgress('line2', 100);
    //
    //     this.$message.success("线路二上传成功");
    //     return { success: true, url: form.line2 };
    //   } catch (error) {
    //     // 更新线路2状态为失败
    //     this.updateUploadProgress('line2Status', 'failed');
    //     this.$message.error("线路二上传失败");
    //     return { success: false, error: error.message };
    //   }
    // },
    //上传火山云
    async uploadVideoToHsy(file, form, onProgress) {
      try {
        this.updateUploadProgress('line2Status', 'uploading');

        const data = await uploadToHSY(
          file,
          (progress) => {
            // 火山云的进度是小数0-1
            if (typeof progress.percent === 'number') {
              const percent = Math.floor(progress.percent * 100);

              // 更新线路2进度
              this.updateUploadProgress('line2', percent);

              // 对外统一 progress 事件（模拟 xhr）
              onProgress?.({
                percent,
                loaded: percent,
                total: 100,
                lengthComputable: true
              });
            }

            // 状态同步（成功 / 失败）
            if (progress.status === 'success') {
              this.updateUploadProgress('line2Status', 'success');
              this.updateUploadProgress('line2', 100);
            }

            if (progress.status === 'failed') {
              this.updateUploadProgress('line2Status', 'failed');
            }
          },
          1,
          (uploadInfo) => {
            if (form.tempId) {
              const tokens = this.uploadCancellationTokens.get(form.tempId) || {};
              tokens.hsy = uploadInfo.cancel;
              this.uploadCancellationTokens.set(form.tempId, tokens);
            }
          }
        );
        console.log("上传火山云返回参数",data)

        form.line2 = `${process.env.VUE_APP_VIDEO_URL}/${data.SourceInfo.FileName}`;
        this.form.hsyVid = data.Vid
        this.form.hsyVodUrl = process.env.VUE_APP_VIDEO_URL+"/"+data.SourceInfo.FileName
        console.log("this.form",this.form)
        this.$message.success('线路二上传成功');
        return { success: true, url: form.line2 };

      } catch (error) {
        this.updateUploadProgress('line2Status', 'failed');
        this.$message.error('线路二上传失败');
        return { success: false, error: error?.message || 'upload failed' };
      }
    },
    // 更新上传进度的辅助方法
    updateUploadProgress(key, value) {
      this.currentUploadProgress[key] = value;

      // 计算总进度：只有两个线路都成功才算100%
      if (this.currentUploadProgress.line1Status === 'success' && this.currentUploadProgress.line2Status === 'success') {
        this.currentUploadProgress.total = 100;
      } else if (this.currentUploadProgress.line1Status === 'failed' || this.currentUploadProgress.line2Status === 'failed') {
        // 如果任一线路失败，总进度保持当前状态
        this.currentUploadProgress.total = Math.min(
          (this.currentUploadProgress.line1 + this.currentUploadProgress.line2) / 2,
          99 // 失败时最多99%
        );
      } else {
        // 正常上传中，计算平均进度
        this.currentUploadProgress.total = Math.min(
          (this.currentUploadProgress.line1 + this.currentUploadProgress.line2) / 2,
          99 // 上传中最多99%，只有都成功才100%
        );
      }
    },
    // 上传视频
    async videoUpload(options) {
      this.isUploading = true;
      this.form.uploadStatus = 'uploading';
      this.form.tempId = Math.random().toString(36).substring(2, 15);
      const file = options.file;
      this.getMediaDuration(file);
      this.currentUploadProgress = { total: 0, line1: 0, line2: 0, line1Status: 'pending', line2Status: 'pending' };

      try {
        await this.getFirstThumbnail(file, this.form);
        const [line1Result, line2Result] = await Promise.allSettled([
          this.uploadVideoToTxPcdn(file, this.form, options.onProgress),
          //this.uploadVideoToHwObs(file, this.form, options.onProgress)
          this.uploadVideoToHsy(file, this.form, options.onProgress)
        ]);

        const line1Success = line1Result.status === 'fulfilled' && line1Result.value.success;
        const line2Success = line2Result.status === 'fulfilled' && line2Result.value.success;

        if (line1Success && line2Success) {
          this.form.uploadStatus = 'success';
          this.form.uploadProgress = { total: 100, line1: 100, line2: 100, line1Status: 'success', line2Status: 'success' };
          this.currentUploadProgress.total = 100;
          this.$message.success("视频上传完成！两个线路都上传成功");
        } else {
          this.form.uploadStatus = 'failed';
          this.form.uploadProgress = {
            total: this.currentUploadProgress.total,
            line1: this.currentUploadProgress.line1,
            line2: this.currentUploadProgress.line2,
            line1Status: this.currentUploadProgress.line1Status,
            line2Status: this.currentUploadProgress.line2Status
          };
          const failedLines = [];
          if (!line1Success) failedLines.push('线路1');
          if (!line2Success) failedLines.push('线路2');
          this.$message.error(`视频上传失败！${failedLines.join('、')} 上传失败，请重试`);
        }
        this.form.fileName = file.name;
        this.form.fileSize = file.size;
      } catch (error) {
        this.form.uploadStatus = 'failed';
        this.$message.error("视频上传过程中发生错误，请重试");
      } finally {
        this.isUploading = false;
        if (this.form.tempId) {
          this.uploadCancellationTokens.delete(this.form.tempId);
        }
      }
    },
    // 获取媒体文件时长
    getMediaDuration(file) {
      // 处理视频
      const video = document.createElement('video');
      video.preload = 'metadata';
      video.onloadedmetadata = () => {
        this.form.duration = Math.round(video.duration);
      };
      video.src = URL.createObjectURL(file);
    },
    handleFileChange(file, files) {
      // 保留最后一个文件
      this.fileList = files.slice(-1);
    },
    /** 批量新增 */
    handleBatchAdd() {
      this.batchAddVisible = true;
      this.add =false
      this.videoList = []; // 清空之前的视频列表
    },
    /** 批量修改 */
    handleBatchUpdate(){
      if (this.ids.length === 0) {
        this.$message.warning("请至少选择一条数据");
        return;
      }
      this.resetForm("form");
      this.batchUpdateForm.ids = this.ids; // 将选中的ID传递给批量修改表单
      this.batchUpdateVisible = true;
    },
    cancelBeforeBatch(done, cancel) {
      if (!this.videoList || this.videoList.length === 0) {
        done()
        return
      }
      this.$confirm('关闭窗口视频需要重新上传，确定关闭吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        done()
      }).catch(() => {
        cancel()
      });
    },
    /** 取消批量 */
    cancelBatch() {
      if (!this.videoList || this.videoList.length === 0) {
        this.batchAddVisible = false
        this.batchUpdateVisible = false

        return
      }
      this.$confirm('关闭窗口视频需要重新上传，确定关闭吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.batchAddVisible = false
        this.batchUpdateVisible = false
        this.changeCateType(this.queryParams.typeId)
      }).catch(() => { });
    },
    /** 批量修改 */
    submitBatchUpdate() {
      console.log("批量上传表单提交参数",this.form)
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.batchUpdateForm.ids.length === 0) {
            this.$message.warning("未选择任何数据");
            return;
          }
          this.$confirm('是否确认修改视频素材库编号为"' + this.batchUpdateForm.ids.join(',') + '"的数据项?', "警告", {
            confirmButtonText: "确定",
            cancelButtonText: "取消",
            type: "warning"
          }).then(() => {
            // 构造正确的参数格式
            const params = new URLSearchParams();
            params.append('typeId', this.batchUpdateForm.typeId || '');
            params.append('typeSubId', this.batchUpdateForm.typeSubId || '');
            params.append('ids', this.batchUpdateForm.ids.join(','));
            return batchUpdateVideoResource(params);
          }).then(() => {
            this.getList();
            this.batchUpdateVisible = false;
            this.msgSuccess("修改成功");
          }).catch(() => {});
        }
      });
    },
    /** 提交批量添加 */
    submitBatchAdd() {
      if (this.videoList.length === 0) {
        this.$message.warning("请选择视频");
        return;
      }

      // 检查是否所有选中的视频都已上传完成
      console.log("videoList",this.videoList)
      const incompleteVideos = this.videoList.filter(item => (item.progress || 0) < 100);
      if (incompleteVideos.length > 0) {
        this.$message.warning('有未完成上传的视频，请先完成上传');
        return;
      }

      if (this.add){
        this.$message.warning("请勿重复提交")
        return
      }
      this.add = true

      // 调用批量添加API
      const videoList = JSON.parse(JSON.stringify(this.videoList));
      videoList.forEach(item => {
        item.projectIds = item.projectIds.join(",");
      });
      batchAddVideoResource(videoList).then(response => {
        if (response.code === 200) {
          this.$message.success('批量添加成功');
          this.batchAddVisible = false;
          this.getList();
        }
      })
    },
    /** 获取分类名称 */
    getTypeName(typeId) {
      const type = this.typeList.find(item => item.cateId === typeId);
      return type ? type.cateName : '';
    },
    /** 编辑视频信息 */
    handleEditVideo(row) {
      this.batchEditDialog.form = Object.assign({}, row)
      this.changeCateType(row.typeId)
      this.batchEditDialog.open = true
    },
    batchEditCancel() {
      this.resetForm('batchEditDialogForm')
      this.batchEditDialog.open = false
    },
    batchEditSubmitForm() {
      let temp = this.videoList.find(item => item.tempId === this.batchEditDialog.form.tempId)
      Object.assign(temp, this.batchEditDialog.form)
      this.batchEditDialog.open = false
    },
    handleDeleteVideo(row) {
      if (row.uploadStatus === 'uploading') {
        this.$confirm('该视频正在上传中，确认要取消上传并删除吗？', '取消上传', {
          confirmButtonText: '确定取消',
          cancelButtonText: '继续上传',
          type: 'warning'
        }).then(() => {
          // Cancel the upload and remove from list
          this.cancelVideoUpload(row);
        }).catch(() => {
          // User chose to continue uploading
          this.$message.info('继续上传该视频');
        });
      } else {
        // Original confirmation for non-uploading videos
        this.$confirm('确认要从列表中删除该视频吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.removeVideoFromList(row);
        }).catch(() => {
          // 取消删除
        });
      }
    },

    cancelVideoUpload(row) {
      const cancellationTokens = this.uploadCancellationTokens.get(row.tempId);
      if (cancellationTokens) {
        // Cancel COS upload if exists
        if (cancellationTokens.cos) {
          try {
            cancellationTokens.cos();
            console.log('COS upload cancelled for video:', row.tempId);
          } catch (error) {
            console.error('Error cancelling COS upload:', error);
          }
        }

        // Cancel OBS upload if exists
        if (cancellationTokens.obs) {
          try {
            cancellationTokens.obs();
            console.log('OBS upload cancelled for video:', row.tempId);
          } catch (error) {
            console.error('Error cancelling OBS upload:', error);
          }
        }

        // Remove cancellation tokens
        this.uploadCancellationTokens.delete(row.tempId);
      }

      const videoIndex = this.videoList.findIndex(item => item.tempId === row.tempId);
      if (videoIndex !== -1) {
        this.videoList[videoIndex].uploadStatus = 'cancelled';
        this.videoList.splice(videoIndex, 1);
      }

      const queueIndex = this.uploadQueue.findIndex(item => item.tempId === row.tempId);
      if (queueIndex !== -1) {
        this.uploadQueue.splice(queueIndex, 1);
        this.updateQueuePositions();
      }

      this.$message.success('已取消视频上传并从列表中移除');
    },

    removeVideoFromList(row) {
      const videoIndex = this.videoList.findIndex(item => item.tempId === row.tempId);
      if (videoIndex !== -1) {
        this.videoList.splice(videoIndex, 1);
      }

      // Remove from upload queue if it's still queued
      const queueIndex = this.uploadQueue.findIndex(item => item.tempId === row.tempId);
      if (queueIndex !== -1) {
        this.uploadQueue.splice(queueIndex, 1);
        this.updateQueuePositions();
        this.$message.success('已从上传队列中移除该视频');
      } else {
        this.$message.success('已从列表中移除该视频');
      }
    },
    /** 删除视频 */
    // handleDeleteVideo(row) {
    //   this.$confirm('确认要从列表中删除该视频吗?', '提示', {
    //     confirmButtonText: '确定',
    //     cancelButtonText: '取消',
    //     type: 'warning'
    //   }).then(() => {
    //     const videoIndex = this.videoList.findIndex(item => item.tempId === row.tempId);
    //     if (videoIndex !== -1) {
    //       this.videoList.splice(videoIndex, 1);
    //     }

    //     // Remove from upload queue if it's still queued
    //     const queueIndex = this.uploadQueue.findIndex(item => item.tempId === row.tempId);
    //     if (queueIndex !== -1) {
    //       this.uploadQueue.splice(queueIndex, 1);
    //       this.updateQueuePositions();
    //       this.$message.success('已从上传队列中移除该视频');
    //     } else {
    //       this.$message.success('已从列表中移除该视频');
    //     }
    //   }).catch(() => {
    //     // 取消删除
    //   });
    // },
    /** 显示上传面板 */
    showUploadPanel() {
      this.showUpload = true;

      if (this.currentProject === 'myhk') {
        this.batchUploadForm = {
          ...this.batchUploadForm,
          files: []
        };
      } else {
        this.batchUploadForm = {
          typeId: null,
          typeSubId: null,
          projectIds: [],
          files: []
        };
        this.subTypeList = []
      }

      this.batchFileList = [];
      if (this.$refs.batchVideoUpload) {
        this.$refs.batchVideoUpload.clearFiles();
      }
    },
    /** 批量文件变更 */
    handleBatchFileChange(file, fileList) {
      this.batchFileList = fileList;
    },
    /** 批量上传视频 */
    async batchVideoUpload(options) {
      const file = options.file;

      const tempVideo = {
        tempId: Math.random().toString(36).substring(2, 15),
        resourceName: file.name.substring(0, file.name.lastIndexOf('.')),
        fileName: file.name,
        thumbnail: null,
        line1: null,
        line2: null,
        line3: null,
        duration: 0,
        fileSize: file.size,
        fileKey: null,
        videoUrl: null,
        typeId: this.batchUploadForm.typeId,
        typeSubId: this.batchUploadForm.typeSubId,
        projectIds: this.batchUploadForm.projectIds,
        progress: 0,
        uploadStatus: 'queued', // Set initial status to queued
        uploadDetails: {
          line1: 0,
          line2: 0,
          line1Status: 'pending',
          line2Status: 'pending'
        },
        file: file,
        queuePosition: this.uploadQueue.length + 1 // Track queue position
      };

      this.uploadQueue.push(tempVideo);
      this.videoList.unshift(tempVideo);

       // 获取视频时长
      const video = document.createElement('video');
      video.preload = 'metadata';
      video.onloadedmetadata = () => {
        const index = this.videoList.findIndex(item => item.tempId === tempVideo.tempId);
        if (index !== -1) {
          tempVideo.duration = Math.round(video.duration);
        }
      };
      video.src = URL.createObjectURL(file);

      // 关闭上传弹窗
      this.showUpload = false;

      if (!this.isProcessingBatch) {
        this.processUploadQueue();
      }

      if (this.$refs.batchVideoUpload) {
        this.$refs.batchVideoUpload.clearFiles();
      }
    },

    async processUploadQueue() {
      if (this.isProcessingBatch || this.uploadQueue.length === 0) {
        return;
      }

      this.isUploading = true;
      this.isProcessingBatch = true;

      while (this.uploadQueue.length > 0) {
        // Get next batch (up to 5 videos)
        const currentBatch = this.uploadQueue.splice(0, this.currentBatchSize);

        // Update status for current batch
        currentBatch.forEach(video => {
          const index = this.videoList.findIndex(item => item.tempId === video.tempId);
          if (index !== -1) {
            this.videoList[index].uploadStatus = 'uploading';
          }
        });

        // Process current batch in parallel
        const batchPromises = currentBatch.map(video => this.uploadSingleVideo(video));

        try {
          await Promise.allSettled(batchPromises);
          this.$message.success(`批次上传完成，已处理 ${currentBatch.length} 个视频`);
        } catch (error) {
          this.$message.error(`批次上传过程中发生错误: ${error.message}`);
        }

        // Update queue positions for remaining videos
        this.updateQueuePositions();

        // Small delay between batches
        if (this.uploadQueue.length > 0) {
          await new Promise(resolve => setTimeout(resolve, 1000));
        }
      }

      this.isProcessingBatch = false;
      this.isUploading = false;
      this.$message.success('所有视频上传队列处理完成！');
      console.log("批量上传form",this.form)
    },

    async uploadSingleVideo(tempVideo) {
      try {
        // 获取封面
        await this.getFirstThumbnail(tempVideo.file, tempVideo);

        // 并行上传到两个服务器
        const [line1Result, line2Result] = await Promise.allSettled([
          this.uploadVideoToTxPcdnBatch(tempVideo.file, tempVideo),
          // this.uploadVideoToHwObsBatch(tempVideo.file, tempVideo)
          this.uploadVideoToHSYBatch(tempVideo.file, tempVideo),

        ]);

        // 检查上传结果
        const line1Success = line1Result.status === 'fulfilled' && line1Result.value.success;
        const line2Success = line1Result.status === 'fulfilled' && line1Result.value.success;

        const index = this.videoList.findIndex(item => item.tempId === tempVideo.tempId);
        if (index !== -1) {
          if (line1Success && line2Success) {
            this.videoList[index].progress = 100;
            this.videoList[index].uploadStatus = 'success';
            this.videoList[index].uploadDetails.line1Status = 'success';
            this.videoList[index].uploadDetails.line2Status = 'success';
            this.videoList[index].uploadDetails.line1 = 100;
            this.videoList[index].uploadDetails.line2 = 100;
          } else {
            this.videoList[index].uploadStatus = 'failed';
            this.videoList[index].uploadDetails.line1Status = line1Success ? 'success' : 'failed';
            this.videoList[index].uploadDetails.line2Status = line2Success ? 'success' : 'failed';
            this.updateBatchProgress(index);
          }
        }

        return { success: line1Success && line2Success, tempVideo };
      } catch (error) {
        const index = this.videoList.findIndex(item => item.tempId === tempVideo.tempId);
        if (index !== -1) {
          this.videoList[index].uploadStatus = 'failed';
        }
        throw error;
      }
    },


    /** 复制视频链接到剪贴板 */
    copy(url) {
      // 创建一个临时的input元素
      const input = document.createElement('input');
      // 设置input的值为要复制的视频链接
      input.value = url;
      // 将input添加到DOM中
      document.body.appendChild(input);
      // 选中input的值
      input.select();
      // 执行复制命令
      document.execCommand('copy');
      // 从DOM中移除input元素
      document.body.removeChild(input);
      // 提示用户复制成功
      this.$message({
        message: '已复制到剪贴板',
        type: 'success',
        duration: 1500
      });
    },
    getProjectList() {
      this.projectLoading = true
      listCourseQuestionBank(this.projectQueryParams).then(response => {
        this.projectList = response.rows;
        this.projectListTotal = response.total;

        // 如果存在已选择的项目，预选中表格中对应的行
        this.$nextTick(() => {
          // 获取表格组件实例
          const projectTable = this.$refs.projectTable;
          if (projectTable) {
            if (this.selectedProjectIds.length > 0) {
              // 遍历项目列表，找到匹配的ID并选中对应行
              const selectedIds = this.selectedProjectIds;
              this.projectList.forEach(row => {
                if (selectedIds.includes(row.id)) {
                  projectTable.toggleRowSelection(row, true);
                }
              });
            }
          }
        });
        this.projectLoading = false
      });
    },
    /** 打开项目选择弹窗 */
    openProjectDialog(projectIds, type) {
      this.$nextTick(() => {
        if (this.$refs.customSelect) {
          this.$refs.customSelect.blur();
        }
      });
      // 重置查询参数
      this.projectQueryParams = {
        pageNum: 1,
        pageSize: 10,
        questionType: null,
        title: null
      };

      this.selectedType = type

      // 设置选中的项目IDs
      if (projectIds) {
        if (typeof projectIds === 'string') {
          this.selectedProjectIds = projectIds.split(',').map(id => parseInt(id));
        } else if (Array.isArray(projectIds)) {
          this.selectedProjectIds = [...projectIds];
        } else if (typeof projectIds === 'number') {
          this.selectedProjectIds = [projectIds];
        }
      } else {
        this.selectedProjectIds = [];
      }

      // 显示弹窗
      this.projectDialogVisible = true;

      // 加载分类树数据
      this.initCategoryTree();

      // 加载项目列表
      this.getProjectList();
    },

    /** 确认选择项目 */
    confirmSelectProject() {
      // 更新表单中的项目ID
      if (this.selectedType === 0) {
        this.form.projectIds = this.selectedProjectIds;
      }

      else if (this.selectedType === 1) {
        this.batchUploadForm.projectIds = this.selectedProjectIds;
      }

      else if (this.selectedType === 2) {
        this.batchEditDialog.form.projectIds = this.selectedProjectIds;
      }

      else if (this.selectedType === 3) {
        const params = {
          id: this.currentRow.id,
          projectIds: this.selectedProjectIds.join(",")
        }
        updateVideoResource(params).then(response => {
          if (response.code === 200) {
            this.msgSuccess("修改成功");
            this.open = false;
            this.getList();
          }
        });
      }

      else if (this.selectedType === 4) {
        this.currentRow.projectIds = this.selectedProjectIds
      }

      this.projectDialogVisible = false;
    },

    /** 取消选择项目 */
    cancelSelectProject() {
      const projectTable = this.$refs.projectTable;
      if (projectTable) {
        // 清空表格数据
        projectTable.clearSelection();
      }
      this.projectDialogVisible = false;
    },
    handleProjectSelect(selection) {
      this.selectedProjectIds = selection.map(item => item.id);
      selection.forEach(item => {
        // 检查是否已存在该项目,不存在则添加
        if (!this.projectShowList.some(p => p.id === item.id)) {
          this.projectShowList.push(item);
        }
      });
    },
    /** 项目列表页码变更 */
    handleProjectPageChange(page) {
      this.projectQueryParams.pageNum = page;
      this.getProjectList();
    },

    /** 项目列表每页条数变更 */
    handleProjectPageSizeChange(size) {
      this.projectQueryParams.pageNum = 1;
      this.projectQueryParams.pageSize = size;
      this.getProjectList();
    },

    /** 处理查看项目 */
    handleViewProject(row, type) {
      // 保存当前选择的行，以便后续操作
      this.currentRow = row;

      // 设置form对象的projectIds为当前行的项目IDs
      this.projectShowList = [];

      if (!row.projectIds || row.projectIds.length === 0) {
        this.openProjectDialog(null, type)
        return;
      }

      let projectIds = row.projectIds
      if (Array.isArray(row.projectIds)) {
        projectIds = projectIds.join(',');
      }

      getByIds({ids: projectIds}).then(response => {
          this.projectShowList = response.data;
        })

      // 打开弹窗展示列表
      this.projectListDialogVisible = true;
    },
    /** 初始化分类树 */
    initCategoryTree() {
      // 获取分类列表
      listUserCourseCategory().then(response => {
        const treeDate = this.handleTree(response.data, "cateId", "pid");
        this.categoryTreeData = [{
          cateId: 0,
          cateName: '全部',
          children: treeDate
        }];
      });
    },
    filterNode(value, data) {
      if (!value) return true;
      return data.cateName.indexOf(value) !== -1;
    },
    /** 处理分类点击 */
    handleCategoryClick(data, node) {
      // 更新查询参数
      this.projectQueryParams.pageNum = 1;

      // 如果是全部分类，则清空分类过滤
      if (node.level === 1) {
        this.projectQueryParams.questionType = null;
        this.projectQueryParams.questionSubType = null;
      }
      else if (node.level === 2) {
        this.projectQueryParams.questionType = data.cateId;
        this.projectQueryParams.questionSubType = null;
      }
      else if (node.level === 3) {
        this.projectQueryParams.questionType = null;
        this.projectQueryParams.questionSubType = data.cateId;
      }

      // 重新加载项目列表
      this.getProjectList();
    },

    /** 搜索项目 */
    searchProjects() {
      this.projectQueryParams.pageNum = 1;
      this.getProjectList();
    },

    /** 视频预览弹窗关闭前的处理函数 */
    handleCloseVideoPreview(done) {
      // 停止视频播放
      const video = document.getElementById('video');
      if (video) {
        video.pause();
        video.currentTime = 0;
      }
      // 关闭弹窗
      this.videoPreviewVisible = false;
      done();
    },

    updateQueuePositions() {
      this.uploadQueue.forEach((video, index) => {
        video.queuePosition = index + 1;
        const videoIndex = this.videoList.findIndex(item => item.tempId === video.tempId);
        if (videoIndex !== -1) {
          this.videoList[videoIndex].queuePosition = index + 1;
        }
      });
    },

    getQueueStatusColor(status) {
      switch (status) {
        case 'success':
          return '#67C23A';
        case 'failed':
          return '#F56C6C';
        case 'uploading':
          return '#409EFF';
        case 'queued':
          return '#E6A23C';
        default:
          return '#909399';
      }
    },

    // 批量上传 - 腾讯云
    async uploadVideoToTxPcdnBatch(file, tempVideo) {
      console.log("--------------",JSON.stringify(tempVideo))
      try {
        const data = await uploadObject(file, (progress) => {
          const progressPercent = Math.floor(progress.percent * 100);
          const index = this.videoList.findIndex(item => item.tempId === tempVideo.tempId);
          if (index !== -1) {
            this.videoList[index].uploadDetails.line1 = progressPercent;
            this.videoList[index].uploadDetails.line1Status = 'uploading';
            this.updateBatchProgress(index);
          }
        }, 1, (uploadInfo) => {
          const tokens = this.uploadCancellationTokens.get(tempVideo.tempId) || {};
          tokens.cos = uploadInfo.cancel;
          this.uploadCancellationTokens.set(tempVideo.tempId, tokens);
        });

        let line_1 = `${process.env.VUE_APP_VIDEO_LINE_1}${data.urlPath}`;
        tempVideo.fileKey = data.urlPath.substring(1);
        tempVideo.videoUrl = line_1;
        tempVideo.line1 = line_1;
        return { success: true, url: line_1 };
      } catch (error) {
        return { success: false, error: error.message };
      }
    },
    // 批量上传 - 华为云
    // async uploadVideoToHwObsBatch(file, tempVideo) {
    //   try {
    //     const data = await uploadToOBS(file, (progress) => {
    //       const progressPercent = Math.floor(progress);
    //       const index = this.videoList.findIndex(item => item.tempId === tempVideo.tempId);
    //       if (index !== -1) {
    //         this.videoList[index].uploadDetails.line2 = progressPercent;
    //         this.videoList[index].uploadDetails.line2Status = 'uploading';
    //         this.updateBatchProgress(index);
    //       }
    //     }, 1, (uploadInfo) => {
    //       const tokens = this.uploadCancellationTokens.get(tempVideo.tempId) || {};
    //       tokens.obs = uploadInfo.cancel;
    //       this.uploadCancellationTokens.set(tempVideo.tempId, tokens);
    //     });
    //
    //     tempVideo.line2 = `${process.env.VUE_APP_VIDEO_LINE_2}/${data.urlPath}`;
    //     return { success: true, url: tempVideo.line2 };
    //   } catch (error) {
    //     return { success: false, error: error.message };
    //   }
    // },
    async uploadVideoToHSYBatch(file, tempVideo) {
      try {
        const data = await uploadToHSY(file, (progress) => {
          const progressPercent = Math.floor(progress);
          const index = this.videoList.findIndex(item => item.tempId === tempVideo.tempId);
          if (index !== -1) {
            this.videoList[index].uploadDetails.line2 = progressPercent;
            this.videoList[index].uploadDetails.line2Status = 'uploading';
            this.updateBatchProgress(index);
          }
        }, 1, (uploadInfo) => {
          const tokens = this.uploadCancellationTokens.get(tempVideo.tempId) || {};
          tokens.obs = uploadInfo.cancel;
          this.uploadCancellationTokens.set(tempVideo.tempId, tokens);
        });
        console.log("批量上传返回参数",data)
        tempVideo.line2 = `${process.env.VUE_APP_VIDEO_URL}/${data.SourceInfo.FileName}`;
        tempVideo.hsyVid = data.Vid;

        return { success: true, url: tempVideo.line2};
      } catch (error) {
        return { success: false, error: error.message };
      }
    },
    // 更新批量上传的总进度
    updateBatchProgress(index) {
      if (index >= 0 && index < this.videoList.length) {
        const item = this.videoList[index];
        const line1Progress = item.uploadDetails.line1 || 0;
        const line2Progress = item.uploadDetails.line2 || 0;
        // 只有两个线路都成功才算100%
        if (item.uploadDetails.line1Status === 'success' && item.uploadDetails.line2Status === 'success') {
          item.progress = 100;
        } else if (item.uploadDetails.line1Status === 'failed' || item.uploadDetails.line2Status === 'failed') {
          // 如果任一线路失败，总进度保持当前状态，不超过99%
          item.progress = Math.min((line1Progress + line2Progress) / 2, 99);
        } else {
          // 正常上传中，计算平均进度，不超过99%
          item.progress = Math.min((line1Progress + line2Progress) / 2, 99);
        }
      }
    },
    // 重试批量上传
    async retryBatchUpload(row) {
      // const index = this.videoList.findIndex(item => item.tempId === row.tempId);
      // if (index === -1) return;
      // const {line1, line2,line1Status,line2Status} = this.videoList[index].uploadDetails
      // // 重置状态
      // this.videoList[index].uploadStatus = 'uploading';
      // // this.videoList[index].progress = 0;
      // this.videoList[index].uploadDetails = {
      // line1: line1 == 100?line1:0,
      // line2: line2 == 100?line2:0,
      // line1Status: line1Status =='success'?line1Status:'pending',
      // line2Status: line2Status =='success'?line2Status:'pending'
      // };
      // const tempVideo = this.videoList[index];
      // try {
      // // 重新上传
      // // const [line1Result, line2Result] = await Promise.allSettled([
      // // this.uploadVideoToTxPcdnBatch(tempVideo.file, tempVideo),
      // // // this.uploadVideoToHwObsBatch(tempVideo.file, tempVideo)
      // // ]);
      // if (line1 !== 100) {
      // const line1Result = await this.uploadVideoToTxPcdnBatch(tempVideo.file, tempVideo)
      // }
      // if (line2 !== 100) {
      // const line2Result = await this.uploadVideoToHwObsBatch(tempVideo.file, tempVideo)
      // }
      // const line1Success = line1Result.status === 'fulfilled' && line1Result.value.success;
      // const line2Success = line2Result.status === 'fulfilled' && line2Result.value.success;
      // if ( line1 == 100 || line1Success) {
      // this.videoList[index].uploadDetails.line1Status = 'success';
      // this.videoList[index].uploadDetails.line1 = 100;
      // this.$message.success(`文件 ${tempVideo.fileName} 重试上传成功`);
      // } else {
      // this.videoList[index].uploadDetails.line1Status = line1Success ? 'success' : 'failed';
      // this.$message.error(`文件 ${tempVideo.fileName} 重试上传失败`);
      // }
      // if (line2 == 100 || line2Success) {
      // this.videoList[index].uploadDetails.line2Status = 'success';
      // this.videoList[index].uploadDetails.line2 = 100;
      // this.$message.success(`文件 ${tempVideo.fileName} 重试上传成功`);
      // } else {
      // this.videoList[index].uploadDetails.line2Status = line2Success ? 'success' : 'failed';
      // this.$message.error(`文件 ${tempVideo.fileName} 重试上传失败`);
      // }
      // // if (line1Success && line2Success) {
      // // this.videoList[index].progress = 100;
      // // this.videoList[index].uploadStatus = 'success';
      // // this.videoList[index].uploadDetails.line1Status = 'success';
      // // this.videoList[index].uploadDetails.line2Status = 'success';
      // // this.videoList[index].uploadDetails.line1 = 100;
      // // this.videoList[index].uploadDetails.line2 = 100;
      // // this.$message.success(`文件 ${tempVideo.fileName} 重试上传成功`);
      // // } else {
      // // this.videoList[index].uploadStatus = 'failed';
      // // this.videoList[index].uploadDetails.line1Status = line1Success ? 'success' : 'failed';
      // // this.videoList[index].uploadDetails.line2Status = line2Success ? 'success' : 'failed';
      // // this.$message.error(`文件 ${tempVideo.fileName} 重试上传失败`);
      // // }
      // } catch (error) {
      // this.videoList[index].uploadStatus = 'failed';
      // this.$message.error(`文件 ${tempVideo.fileName} 重试上传失败`);
      // }
      const index = this.videoList.findIndex(item => item.tempId === row.tempId);
      if (index === -1) return;
      const tempVideo = this.videoList[index];
      const uploadDetails = tempVideo.uploadDetails || {};

      // 检查哪些线路需要重试
      const needRetryLine1 = uploadDetails.line1Status === 'failed' || uploadDetails.line1Status === 'pending';
      const needRetryLine2 = uploadDetails.line2Status === 'failed' || uploadDetails.line2Status === 'pending';

      if (!needRetryLine1 && !needRetryLine2) {
        this.$message.info('所有线路都已上传成功，无需重试');
        return;
      }

      // 更新整体状态为上传中
      this.videoList[index].uploadStatus = 'uploading';

      // 只重置需要重试的线路状态
      if (needRetryLine1) {
        this.videoList[index].uploadDetails.line1 = 0;
        this.videoList[index].uploadDetails.line1Status = 'pending';
      }
      if (needRetryLine2) {
        this.videoList[index].uploadDetails.line2 = 0;
        this.videoList[index].uploadDetails.line2Status = 'pending';
      }

      try {
        const uploadPromises = [];

        // 根据需要重试的线路创建上传任务
        if (needRetryLine1) {
          uploadPromises.push(
            this.uploadVideoToTxPcdnBatch(tempVideo.file, tempVideo)
              .then(result => ({ line: 'line1', result }))
              .catch(error => ({ line: 'line1', result: { success: false, error: error.message } }))
          );
        } else {
          // 如果线路1不需要重试，创建一个已成功的Promise
          uploadPromises.push(Promise.resolve({ line: 'line1', result: { success: true } }));
        }

        if (needRetryLine2) {
          uploadPromises.push(
            this.uploadVideoToHwObsBatch(tempVideo.file, tempVideo)
              .then(result => ({ line: 'line2', result }))
              .catch(error => ({ line: 'line2', result: { success: false, error: error.message } }))
          );
        } else {
          // 如果线路2不需要重试，创建一个已成功的Promise
          uploadPromises.push(Promise.resolve({ line: 'line2', result: { success: true } }));
        }

        // 等待所有上传任务完成
        const results = await Promise.all(uploadPromises);

        // 处理结果
        let line1Success = true;
        let line2Success = true;
        let retryMessages = [];

        results.forEach(({ line, result }) => {
          if (line === 'line1') {
            line1Success = result.success;
            if (needRetryLine1) {
              if (result.success) {
                this.videoList[index].uploadDetails.line1Status = 'success';
                this.videoList[index].uploadDetails.line1 = 100;
                retryMessages.push('线路1重试成功');
              } else {
                this.videoList[index].uploadDetails.line1Status = 'failed';
                retryMessages.push('线路1重试失败');
              }
            }
          } else if (line === 'line2') {
            line2Success = result.success;
            if (needRetryLine2) {
              if (result.success) {
                this.videoList[index].uploadDetails.line2Status = 'success';
                this.videoList[index].uploadDetails.line2 = 100;
                retryMessages.push('线路2重试成功');
              } else {
                this.videoList[index].uploadDetails.line2Status = 'failed';
                retryMessages.push('线路2重试失败');
              }
            }
          }
        });

        // 更新总体状态和进度
        if (line1Success && line2Success) {
          this.videoList[index].progress = 100;
          this.videoList[index].uploadStatus = 'success';
          this.$message.success(`文件 ${tempVideo.fileName} 重试完成：${retryMessages.join('，')}`);
        } else {
          this.videoList[index].uploadStatus = 'failed';
          // 重新计算进度
          this.updateBatchProgress(index);
          this.$message.error(`文件 ${tempVideo.fileName} 重试完成：${retryMessages.join('，')}`);
        }
      } catch (error) {
        this.videoList[index].uploadStatus = 'failed';
        this.$message.error(`文件 ${tempVideo.fileName} 重试过程中发生错误：${error.message || '未知错误'}`);
      }
    },
    // 重试单个上传
    async retryUpload(row) {
      this.$confirm('确认要重新上传该视频吗？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        // 这里需要重新触发上传，但由于原始文件可能已经不存在
        // 建议用户重新选择文件上传
        this.$message.info('请重新选择文件进行上传');
        this.handleUpdate(row);
      }).catch(() => {});
    },
    // 获取上传状态图标
    getUploadStatusIcon(status) {
      switch (status) {
        case 'success': return 'el-icon-success';
        case 'failed': return 'el-icon-error';
        case 'uploading': return 'el-icon-loading';
        default: return 'el-icon-time';
      }
    },
    // 获取上传状态颜色
    getUploadStatusColor(status) {
      switch (status) {
        case 'success': return '#67C23A';
        case 'failed': return '#F56C6C';
        case 'uploading': return '#409EFF';
        default: return '#909399';
      }
    },
    // 获取上传状态文本
    getUploadStatusText(status, queuePosition) {
      switch (status) {
        case 'success':
          return '上传成功';
        case 'failed':
          return '上传失败';
        case 'uploading':
          return '上传中';
        case 'queued':
          return `队列中 (第${queuePosition}位)`;
        default:
          return '待上传';
      }
    },
    // 获取线路状态图标
    getLineStatusIcon(status) {
      switch (status) {
        case 'success': return 'el-icon-check';
        case 'failed': return 'el-icon-close';
        case 'uploading': return 'el-icon-loading';
        default: return 'el-icon-minus';
      }
    },
    // 获取线路状态颜色
    getLineStatusColor(status) {
      switch (status) {
        case 'success': return '#67C23A';
        case 'failed': return '#F56C6C';
        case 'uploading': return '#409EFF';
        default: return '#C0C4CC';
      }
    },
    // 获取进度条状态
    getProgressStatus(row) {
      if (row.progress === 100 && row.uploadStatus === 'success') {
        return 'success';
      } else if (row.uploadStatus === 'failed') {
        return 'exception';
      }
      return '';
    },
  }
}
</script>

<style scoped>
/* 自定义表格样式 */
.el-table .video-cell {
  padding: 5px;
}

/* 设置删除和修改按钮的间距 */
.el-button + .el-button {
  margin-left: 5px;
}

/* 上传状态样式 */
.upload-status-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-text {
  font-size: 12px;
}

.upload-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
}

.line-status {
  display: flex;
  align-items: center;
  gap: 4px;
}

.line-label {
  min-width: 35px;
  color: #606266;
}

.line-progress {
  color: #909399;
}

/* 双线上传进度样式 */
.dual-upload-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.total-progress {
  margin-bottom: 4px;
}

.line-progress-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}

.line-progress-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
}

.line-label {
  min-width: 30px;
  color: #606266;
}

.line-status-text {
  min-width: 25px;
  color: #909399;
  font-size: 10px;
}

/* 批量上传进度样式 */
.batch-upload-progress {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.total-progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  /* 防止换行 */
  min-width: 0;
  /* 允许flex项目收缩 */
}

.progress-label {
  font-size: 12px;
  color: #606266;
  min-width: 40px;
}

.line-progress-rows {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.line-progress-row {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
}

.line-percentage {
  min-width: 30px;
  color: #909399;
  font-size: 11px;
}

::v-deep .upload-icon {
  font-size: 28px;
  color: #8c939d;
}

::v-deep .upload-text {
  font-size: 12px;
  color: #606266;
  margin-top: 10px;
}

/* 表单样式 */
::v-deep .el-form-item {
  margin-bottom: 22px;
}

/* 批量选择弹窗样式 */
::v-deep .batch-dialog .el-dialog__body {
  padding: 0 20px 20px;
  max-height: 70vh;
  overflow-y: auto;
}

::v-deep .el-dialog .el-dialog__body {
  padding: 0 20px 20px;
  max-height: 70vh;
  overflow-y: auto;
}

.filter-container {
  padding: 15px 0;
  background-color: #fff;
  border-bottom: 1px solid #ebeef5;
  position: relative;
  text-align: right;
}

.dialog-footer {
  text-align: right;
  margin-top: 20px;
  padding-right: 20px;
}

::v-deep .batch-dialog .el-table {
  margin-top: 10px;
}

::v-deep .el-table__header-wrapper th {
  background-color: #f5f7fa;
  color: #606266;
  font-weight: 500;
  padding: 8px 0;
}

::v-deep .el-table__header-wrapper th {
  background-color: #f5f7fa;
  color: #606266;
  font-weight: 500;
  padding: 8px 0;
}

/* 确保弹窗中表格内容垂直居中 */
::v-deep .batch-dialog .el-table .cell {
  line-height: 23px;
}

::v-deep .el-table .cell {
  line-height: 23px;
}

/* 自定义滚动条样式 */
::v-deep .batch-dialog .el-dialog__body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::v-deep .el-dialog .el-dialog__body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::v-deep .batch-dialog .el-dialog__body::-webkit-scrollbar-thumb {
  background: #c0c4cc;
  border-radius: 3px;
}

::v-deep .el-dialog .el-dialog__body::-webkit-scrollbar-thumb {
  background: #c0c4cc;
  border-radius: 3px;
}

::v-deep .batch-dialog .el-dialog__body::-webkit-scrollbar-track {
  background: #f5f7fa;
}

::v-deep .el-dialog .el-dialog__body::-webkit-scrollbar-track {
  background: #f5f7fa;
}

/* 批量上传视频弹窗样式 */
.upload-dialog .el-dialog__body {
  padding: 20px;
}

::v-deep .upload-dialog .el-dialog__header {
  padding: 15px 20px;
  background-color: #f9f9f9;
  border-bottom: 1px solid #ebeef5;
}

::v-deep .upload-dialog .el-dialog__title {
  font-size: 16px;
  font-weight: 500;
  color: #303133;
}

/* 项目选择弹窗样式 */
::v-deep .el-dialog__wrapper {
  z-index: 2001 !important;
}

::v-deep .el-dialog__header {
  padding: 15px 20px;
  background-color: #f9f9f9;
  border-bottom: 1px solid #ebeef5;
}

::v-deep .el-dialog__title {
  font-size: 16px;
  font-weight: 500;
  color: #303133;
}

::v-deep .el-pagination {
  text-align: center;
  margin-top: 10px;
}

/* 项目选择弹窗的样式 */
.project-container {
  display: flex;
  height: 500px;
}

.category-tree {
  width: 250px;
  height: 100%;
  border-right: 1px solid #ebeef5;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.tree-fixed-header {
  padding: 10px;
  background-color: #fff;
  border-bottom: 1px solid #ebeef5;
  z-index: 10;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.tree-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px 10px 10px 10px;
}

.project-list {
  flex: 1;
  padding: 10px;
  height: 100%;
  display: flex;
  flex-direction: column;
  width: calc(100% - 250px);
  /* 固定宽度为剩余空间 */
}

.project-list .filter-container {
  padding: 0 0 15px 0;
  text-align: left;
}

.project-list .table-footer {
  margin-top: 15px;
}

::v-deep .el-tree-node__content {
  height: 36px;
  border-radius: 4px;
  margin-bottom: 2px;
}

::v-deep .el-tree-node:focus > .el-tree-node__content {
  background-color: #e6f7ff;
}

::v-deep .el-tree-node__content:hover {
  background-color: #f0f7ff;
}

::v-deep .el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content {
  background-color: #e6f7ff;
  color: #1890ff;
}

::v-deep .custom-tree-node {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  padding: 0 8px;
}

/* 视频预览弹窗样式 */
::v-deep .video-preview-dialog {
  z-index: 3000 !important;
}

::v-deep .video-preview-dialog .el-dialog {
  margin-top: 10vh !important;
}

::v-deep .video-preview-dialog .el-dialog__header {
  padding: 15px 20px;
  background-color: #f9f9f9;
  border-bottom: 1px solid #ebeef5;
}

::v-deep .video-preview-dialog .el-dialog__body {
  padding: 15px;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
}

::v-deep .video-preview-dialog video {
  max-width: 100%;
  max-height: 70vh;
}

/* 题目列表样式 */
.project-list-container {
  background-color: #f5f7fa;
  border-radius: 4px;
}

.question-card {
  background-color: #ffffff;
  border-radius: 4px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.05);
  padding: 15px;
  margin-bottom: 15px;
  position: relative;
}

.question-header {
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
  border-bottom: 1px solid #ebeef5;
  padding-bottom: 10px;
}

.question-index {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 24px;
  background-color: #409EFF;
  color: white;
  border-radius: 50%;
  font-size: 14px;
  margin-right: 10px;
  flex-shrink: 0;
}

.question-title {
  font-size: 16px;
  font-weight: 500;
  color: #303133;
  line-height: 1.5;
  word-break: break-all;
}

.question-type {
  margin-bottom: 15px;
}

.content-title {
  font-weight: 500;
  color: #606266;
  margin-bottom: 10px;
}

.question-content {
  margin-bottom: 15px;
}

.question-item {
  background-color: #f8f8f8;
  border-left: 3px solid #409EFF;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 0 4px 4px 0;
}

.question-item-header {
  display: flex;
  align-items: center;
  margin-bottom: 5px;
}

.item-index {
  display: inline-block;
  margin-right: 10px;
  font-weight: 500;
  color: #409EFF;
}

.item-name {
  color: #303133;
}

.question-answer {
  background-color: #f0f9eb;
  padding: 10px;
  border-radius: 4px;
  border-left: 3px solid #67c23a;
}

.answer-label {
  font-weight: 500;
  color: #67c23a;
  margin-right: 10px;
}

.answer-content {
  color: #606266;
}

::v-deep .custom-select-class .el-select__tags {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-wrap: nowrap;
  max-height: 200px;
  overflow-y: auto;
}

::v-deep .custom-select-class .el-tag {
  margin-bottom: 4px;
  margin-right: 0;
}

/* Added queue status styles */
.queue-status {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 8px;
}

.queue-status .el-tag {
  font-size: 12px;
  padding: 4px 8px;
}
</style>
