/**
 * 어드민 통계 라우트
 */
export default async function statsRoutes(fastify, opts) {
  const { db } = fastify;

  // 모든 라우트에 인증 적용
  fastify.addHook('preHandler', fastify.authenticate);

  /**
   * 대시보드 통계 조회
   * GET /api/admin/stats
   */
  fastify.get('/', async (request, reply) => {
    try {
      // 멤버 수 (현재 활동 중인 멤버만)
      const [[{ memberCount }]] = await db.query(
        'SELECT COUNT(*) as memberCount FROM members WHERE is_former = 0'
      );

      // 앨범 수
      const [[{ albumCount }]] = await db.query(
        'SELECT COUNT(*) as albumCount FROM albums'
      );

      // 컨셉 포토 수
      const [[{ photoCount }]] = await db.query(
        'SELECT COUNT(*) as photoCount FROM album_photos'
      );

      // 티저 수
      const [[{ teaserCount }]] = await db.query(
        'SELECT COUNT(*) as teaserCount FROM album_teasers'
      );

      // 일정 수 (전체)
      const [[{ scheduleCount }]] = await db.query(
        'SELECT COUNT(*) as scheduleCount FROM schedules'
      );

      // 트랙 수
      const [[{ trackCount }]] = await db.query(
        'SELECT COUNT(*) as trackCount FROM tracks'
      );

      return {
        members: memberCount,
        albums: albumCount,
        photos: photoCount + teaserCount,
        schedules: scheduleCount,
        tracks: trackCount,
      };
    } catch (err) {
      fastify.log.error(err);
      return reply.status(500).send({ error: '통계 조회 실패' });
    }
  });
}