import { query } from '../../../utils/db'
import { requireAuth } from '../../../utils/session'

/**
 * 전체 VCS 동기화 상태 조회 (관리자용)
 * GET /api/admin/vcs/status
 */
export default defineEventHandler(async (event) => {
  await requireAuth(event)
  
  // 저장소별 동기화 상태
  const repos = await query(`
    SELECT 
      r.repo_id, r.repo_name, r.repo_path,
      r.last_sync_at, r.last_sync_status, r.last_sync_message,
      s.server_type, s.server_name,
      p.project_name,
      (SELECT COUNT(*) FROM wr_commit_log c WHERE c.repo_id = r.repo_id) as commit_count
    FROM wr_repository r
    JOIN wr_vcs_server s ON r.server_id = s.server_id
    LEFT JOIN wr_project_info p ON r.project_id = p.project_id
    WHERE r.is_active = true
    ORDER BY r.last_sync_at DESC NULLS LAST
  `)
  
  // 전체 통계
  const stats = await query(`
    SELECT 
      COUNT(DISTINCT r.repo_id) as total_repos,
      COUNT(DISTINCT CASE WHEN r.last_sync_status = 'SUCCESS' THEN r.repo_id END) as success_repos,
      COUNT(DISTINCT CASE WHEN r.last_sync_status = 'FAILED' THEN r.repo_id END) as failed_repos,
      COUNT(DISTINCT CASE WHEN r.last_sync_at IS NULL THEN r.repo_id END) as never_synced,
      (SELECT COUNT(*) FROM wr_commit_log) as total_commits
    FROM wr_repository r
    WHERE r.is_active = true
  `)
  
  return {
    repositories: repos.map(r => ({
      repoId: r.repo_id,
      repoName: r.repo_name,
      repoPath: r.repo_path,
      serverType: r.server_type,
      serverName: r.server_name,
      projectName: r.project_name,
      lastSyncAt: r.last_sync_at,
      lastSyncStatus: r.last_sync_status,
      lastSyncMessage: r.last_sync_message,
      commitCount: parseInt(r.commit_count || '0')
    })),
    stats: {
      totalRepos: parseInt(stats[0]?.total_repos || '0'),
      successRepos: parseInt(stats[0]?.success_repos || '0'),
      failedRepos: parseInt(stats[0]?.failed_repos || '0'),
      neverSynced: parseInt(stats[0]?.never_synced || '0'),
      totalCommits: parseInt(stats[0]?.total_commits || '0')
    }
  }
})