import express from "express";
import path from "path";
import { fileURLToPath } from "url";
import membersRouter from "./routes/members.js";
import albumsRouter from "./routes/albums.js";
import statsRouter from "./routes/stats.js";
import adminRouter from "./routes/admin.js";
import schedulesRouter from "./routes/schedules.js";
import { initScheduler } from "./services/youtube-scheduler.js";
import { initMeilisearch } from "./services/meilisearch.js";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const app = express();
const PORT = process.env.PORT || 80;

// JSON 파싱
app.use(express.json());

// 정적 파일 서빙 (프론트엔드 빌드 결과물)
app.use(express.static(path.join(__dirname, "dist")));

// API 라우트
app.get("/api/health", (req, res) => {
  res.json({ status: "ok", timestamp: new Date().toISOString() });
});

app.use("/api/members", membersRouter);
app.use("/api/albums", albumsRouter);
app.use("/api/stats", statsRouter);
app.use("/api/admin", adminRouter);
app.use("/api/schedules", schedulesRouter);
app.use("/api/schedule-categories", (req, res, next) => {
  // /api/schedule-categories -> /api/schedules/categories로 리다이렉트
  req.url = "/categories";
  schedulesRouter(req, res, next);
});

// SPA 폴백 - 모든 요청을 index.html로
app.get("*", (req, res) => {
  res.sendFile(path.join(__dirname, "dist", "index.html"));
});

app.listen(PORT, async () => {
  console.log(`🌸 fromis_9 서버가 포트 ${PORT}에서 실행 중입니다`);

  // Meilisearch 초기화 및 동기화
  try {
    await initMeilisearch();
    console.log("🔍 Meilisearch 초기화 완료");

    // 서버 시작 시 일정 데이터 자동 동기화
    const { syncAllSchedules } = await import("./services/meilisearch.js");
    const [schedules] = await (
      await import("./lib/db.js")
    ).default.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,
        GROUP_CONCAT(m.name ORDER BY m.id SEPARATOR ',') as member_names
      FROM schedules s
      LEFT JOIN schedule_categories c ON s.category_id = c.id
      LEFT JOIN schedule_members sm ON s.id = sm.schedule_id
      LEFT JOIN members m ON sm.member_id = m.id
      GROUP BY s.id
    `);
    const syncedCount = await syncAllSchedules(schedules);
    console.log(`🔍 Meilisearch ${syncedCount}개 일정 동기화 완료`);
  } catch (error) {
    console.error("Meilisearch 초기화/동기화 오류:", error);
  }

  // YouTube 봇 스케줄러 초기화
  try {
    await initScheduler();
    console.log("📺 YouTube 봇 스케줄러 초기화 완료");
  } catch (error) {
    console.error("YouTube 스케줄러 초기화 오류:", error);
  }
});