import java.sql.*;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/** Try common passwords against tenant sys_user.admin hash. */
public class ProbeLoginTry {
    private static final String USER = "root";
    private static final String PWD = "Ylrz_1q2w3e4r5t6y";
    private static final String[] PASSWORDS = {
            "admin123", "123456", "Ylrz_1q2w3e4r5t6y", "1q2w3e4r", "ylrz123456",
            "Aa123456", "admin@123", "Admin123", "password", "111111"
    };

    public static void main(String[] args) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        BCryptPasswordEncoder enc = new BCryptPasswordEncoder();
        String[][] tenants = {
                {"test001", "ylrz_saas_tenant_1"},
                {"cs1", "fs_tenant_cs1"}
        };
        for (String[] t : tenants) {
            String jdbc = "jdbc:mysql://cq-cdb-8fjmemkb.sql.tencentcdb.com:27220/" + t[1]
                    + "?useSSL=false&serverTimezone=GMT%2B8";
            try (Connection c = DriverManager.getConnection(jdbc, USER, PWD);
                 Statement st = c.createStatement();
                 ResultSet rs = st.executeQuery(
                         "SELECT user_name, password FROM sys_user WHERE user_name='admin' AND del_flag='0' LIMIT 1")) {
                if (!rs.next()) {
                    System.out.println(t[0] + ": no admin user");
                    continue;
                }
                String hash = rs.getString("password");
                System.out.println("\n=== tenant " + t[0] + " (" + t[1] + ") ===");
                System.out.println("hash prefix: " + hash.substring(0, Math.min(29, hash.length())));
                boolean found = false;
                for (String pw : PASSWORDS) {
                    if (enc.matches(pw, hash)) {
                        System.out.println("MATCH password: " + pw);
                        found = true;
                        break;
                    }
                }
                if (!found) {
                    System.out.println("No match in common password list");
                }
            }
        }
        try (Connection c = DriverManager.getConnection(
                "jdbc:mysql://cq-cdb-8fjmemkb.sql.tencentcdb.com:27220/ylrz_saas?useSSL=false&serverTimezone=GMT%2B8",
                USER, PWD);
             Statement st = c.createStatement()) {
            System.out.println("\n=== sys_config captcha (master) ===");
            try (ResultSet rs = st.executeQuery(
                    "SELECT config_key, config_value FROM sys_config WHERE config_key LIKE '%captcha%'")) {
                while (rs.next()) {
                    System.out.println(rs.getString(1) + " = " + rs.getString(2));
                }
            } catch (Exception e) {
                System.out.println("master sys_config: " + e.getMessage());
            }
        }
        for (String db : new String[]{"ylrz_saas_tenant_1", "fs_tenant_cs1"}) {
            String jdbc = "jdbc:mysql://cq-cdb-8fjmemkb.sql.tencentcdb.com:27220/" + db
                    + "?useSSL=false&serverTimezone=GMT%2B8";
            try (Connection c = DriverManager.getConnection(jdbc, USER, PWD);
                 Statement st = c.createStatement();
                 ResultSet rs = st.executeQuery(
                         "SELECT config_key, config_value FROM sys_config WHERE config_key LIKE '%captcha%'")) {
                System.out.println("\n=== sys_config captcha (" + db + ") ===");
                while (rs.next()) {
                    System.out.println(rs.getString(1) + " = " + rs.getString(2));
                }
            } catch (Exception ignored) {
            }
        }
    }
}