/**
 * 扫描 list-search-actions 迁移导致的 Vue 模板结构问题
 */
const fs = require('fs')
const path = require('path')

const roots = process.argv.slice(2).length
  ? process.argv.slice(2)
  : [
      path.join(__dirname, '../src/views'),
      path.join(__dirname, '../../saas-mgnui/src/views'),
      path.join(__dirname, '../../adminui/src/views')
    ]

function walk(dir, files = []) {
  if (!fs.existsSync(dir)) return files
  for (const name of fs.readdirSync(dir)) {
    const full = path.join(dir, name)
    if (fs.statSync(full).isDirectory()) walk(full, files)
    else if (name.endsWith('.vue')) files.push(full)
  }
  return files
}

function scanTemplate(content) {
  const issues = []
  const tplMatch = content.match(/<template>([\s\S]*?)<\/template>/)
  if (!tplMatch) return issues
  const tpl = tplMatch[1]

  // 1. list-search-actions 内嵌套 el-form-item
  const actionsRe = /<el-form-item[^>]*\blist-search-actions\b[^>]*>([\s\S]*?)<\/el-form-item>/g
  let m
  while ((m = actionsRe.exec(tpl)) !== null) {
    if (/<el-form-item\b/.test(m[1])) {
      issues.push('nested-form-item-in-actions')
    }
    if (!/<\/el-form>\s*$/.test(m[1]) && /<\/el-form>/.test(m[1])) {
      issues.push('nested-form-in-actions')
    }
  }

  // 2. list-search-actions 后直接 </el-form> 但 actions 未闭合（只有开标签到 form 结束）
  if (
    /<el-form-item[^>]*list-search-actions[^>]*>\s*<el-form-item\b/.test(tpl) &&
    /<el-form-item[^>]*list-search-actions[^>]*>[\s\S]*?<\/el-form>/.test(tpl) &&
    !/<el-form-item[^>]*list-search-actions[^>]*>[\s\S]*?<\/el-form-item>\s*\n\s*<\/el-form>/.test(tpl)
  ) {
    issues.push('actions-not-closed-before-form-end')
  }

  // 3. 多余的 </el-form-item> 紧接 list-search-actions
  if (/>\s*\n\s*<\/el-form-item>\s*\n\s*<el-form-item[^>]*list-search-actions/.test(tpl)) {
    issues.push('stray-close-before-actions')
  }

  // 4. list-search-actions 内无按钮且含查询 label
  const actionsBlocks = tpl.match(/<el-form-item[^>]*list-search-actions[^>]*>[\s\S]*?<\/el-form-item>/g) || []
  for (const block of actionsBlocks) {
    if (
      /<el-form-item\b[^>]*label=/.test(block) &&
      !/handleQuery|resetQuery|right-toolbar/.test(block)
    ) {
      issues.push('query-fields-only-in-actions-block')
    }
  }

  // 5. 未闭合的 list-search-actions（开标签后遇到 </el-form> 而无 </el-form-item>）
  if (
    /<el-form-item[^>]*list-search-actions[^>]*>[\s\S]*?<\/el-form>/.test(tpl) &&
    !/<el-form-item[^>]*list-search-actions[^>]*>[\s\S]*?<\/el-form-item>[\s\S]*?<\/el-form>/.test(tpl)
  ) {
    issues.push('unclosed-list-search-actions')
  }

  // 6. el-form 内 tag 平衡（仅 queryForm 所在 form）
  const qIdx = tpl.indexOf('ref="queryForm"')
  if (qIdx >= 0) {
    const formStart = tpl.lastIndexOf('<el-form', qIdx)
    const formEnd = tpl.indexOf('</el-form>', qIdx)
    if (formStart >= 0 && formEnd >= 0) {
      const formBody = tpl.slice(formStart, formEnd + '</el-form>'.length)
      const openFi = (formBody.match(/<el-form-item\b/g) || []).length
      const closeFi = (formBody.match(/<\/el-form-item>/g) || []).length
      if (openFi !== closeFi) {
        issues.push(`form-item-balance:${openFi}open/${closeFi}close`)
      }
    }
  }

  return [...new Set(issues)]
}

const results = []
for (const root of roots) {
  for (const file of walk(root)) {
    const content = fs.readFileSync(file, 'utf8')
    const issues = scanTemplate(content)
    if (issues.length) results.push({ file, issues })
  }
}

console.log('Total files with issues:', results.length)
for (const r of results) {
  console.log(r.file.replace(/\\/g, '/'))
  console.log('  ', r.issues.join(', '))
}