/**
 * Meilisearch 동기화 봇 서비스
 * 모든 일정을 Meilisearch에 동기화
 */

import pool from "../lib/db.js";
import { addOrUpdateSchedule } from "./meilisearch.js";

/**
 * 전체 일정 Meilisearch 동기화
 */
export async function syncAllSchedules(botId) {
  try {
    const startTime = Date.now();

    // 모든 일정 조회
    const [schedules] = await pool.query(`
      SELECT s.id, s.title, s.description, s.date, s.time, 
             s.category_id, s.source_url, s.source_name,
             c.name as category_name, c.color as category_color
      FROM schedules s
      LEFT JOIN schedule_categories c ON s.category_id = c.id
    `);

    let synced = 0;

    for (const s of schedules) {
      // 멤버 조회
      const [members] = await pool.query(
        "SELECT m.id, m.name FROM schedule_members sm JOIN members m ON sm.member_id = m.id WHERE sm.schedule_id = ?",
        [s.id]
      );

      // Meilisearch 동기화
      await addOrUpdateSchedule({
        id: s.id,
        title: s.title,
        description: s.description || "",
        date: s.date,
        time: s.time,
        category_id: s.category_id,
        category_name: s.category_name || "",
        category_color: s.category_color || "",
        source_name: s.source_name,
        source_url: s.source_url,
        members: members,
      });

      synced++;
    }

    const elapsedMs = Date.now() - startTime;
    const elapsedSec = (elapsedMs / 1000).toFixed(2);

    // 봇 상태 업데이트 (schedules_added = 동기화 수, last_added_count = 소요시간 ms)
    await pool.query(
      `UPDATE bots SET 
        last_check_at = NOW(),
        schedules_added = ?,
        last_added_count = ?,
        error_message = NULL
       WHERE id = ?`,
      [synced, elapsedMs, botId]
    );

    console.log(`[Meilisearch Bot] ${synced}개 동기화 완료 (${elapsedSec}초)`);
    return { synced, elapsed: elapsedSec };
  } catch (error) {
    // 오류 상태 업데이트
    await pool.query(
      `UPDATE bots SET 
        last_check_at = NOW(),
        status = 'error',
        error_message = ?
       WHERE id = ?`,
      [error.message, botId]
    );
    throw error;
  }
}

export default {
  syncAllSchedules,
};