import express from "npm:express";

import { spApiScheduler } from './sp-api-schedule.ts';
import { newSpApiScheduler } from './new-sp-api-schedule.ts';
import { sorftimeScheduler } from './sorftime-api-schedule.ts';

/**
 * 定时器清洗数据
 */
(async () => {
  try {
    await spApiScheduler.start();
    console.log('[API Routes] Amazon SP-API定时任务已启动');
  } catch (error) {
    console.error('[API Routes] Amazon SP-API定时任务启动失败:', error);
  }

  try {
    await sorftimeScheduler.start();
    console.log('[API Routes] Sorftime定时任务已启动');
  } catch (error) {
    console.error('[API Routes] Sorftime定时任务启动失败:', error);
  }
})();

const router = express.Router();
console.log('加载schedule路由 /api/schedule/');
router.use(express.json({
  charset: 'utf-8',
  // 额外配置：确保解析URL编码的请求体也支持中文
  type: 'application/json'
}));
// 定时任务管理路由
router.get('/sp-api-schedule/status', (req, res) => {
  res.json({
    success: true,
    data: {
      spApi: spApiScheduler.getStatus()
    }
  });
});
router.get('/sp-api-schedule/start', async (req, res) => {
  console.log('[API Routes] 启动定时任务');
   try {
     const result = await spApiScheduler.start()
     res.json({
       success: true,
       message: '定时器执行陈功',
       data: result
     });
   } catch (error) {
     res.status(500).json({
       success: false,
       message: error.message
     });
   }
  
  
});
router.post('/sp-api-schedule/trigger', async (req, res) => {
  try {
    const shopId = req.body.shopId;
    const result = await spApiScheduler.triggerManually(shopId);
    res.json({
      success: result.success,
      message: result.message,
      data: result
    });
  } catch (error) {
    res.status(500).json({
      success: false,
      message: error.message
    });
  }
});



// ===== 以下为新版独立采集接口（SSE 实时进度推送）=====
// 前端通过 EventSource 或 fetch + ReadableStream 消费 SSE 流
// 事件格式：
//   event: progress  data: { type, message, processed? }
//   event: done      data: { success, message, processed, errorCount, errors }
//   event: error     data: { success: false, message }
// 心跳注释行（': heartbeat'）每 15 秒发送一次，防止连接超时

/**
 * 创建 SSE 响应并返回辅助函数
 */
function createSseResponse(res) {
  res.setHeader('Content-Type', 'text/event-stream; charset=utf-8');
  res.setHeader('Cache-Control', 'no-cache');
  res.setHeader('Connection', 'keep-alive');
  res.setHeader('X-Accel-Buffering', 'no');
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
  res.flushHeaders();

  const send = (event, data) => {
    if (!res.writableEnded) {
      res.write(`event: ${event}\ndata: ${JSON.stringify(data)}\n\n`);
    }
  };

  const heartbeatTimer = setInterval(() => {
    if (!res.writableEnded) res.write(': heartbeat\n\n');
  }, 15000);

  const close = () => {
    clearInterval(heartbeatTimer);
    if (!res.writableEnded) res.end();
  };

  return { send, close };
}

/**
 * POST /api/schedule/sp-api-schedule/collect-listing
 * 采集 Listing 数据，通过 SSE 流式返回进度
 * Body: { shopId: string }
 */
router.post('/sp-api-schedule/collect-listing', async (req, res) => {
  const { shopId } = req.body || {};
  const { send, close } = createSseResponse(res);

  req.on('close', () => close());

  try {
    send('progress', { type: 'info', message: `开始采集 Listing 数据${shopId ? '，店铺: ' + shopId : '（全部活跃店铺）'}` });

    const result = await newSpApiScheduler.collectListings(
      shopId || undefined,
      (event) => send('progress', event)
    );

    send('done', { success: result.success, message: result.message, processed: result.processed, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集 Listing 数据时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sp-api-schedule/collect-order
 * 采集订单数据，通过 SSE 流式返回进度
 * Body: { shopId: string }
 */
router.post('/sp-api-schedule/collect-order', async (req, res) => {
  const { shopId } = req.body || {};
  const { send, close } = createSseResponse(res);

  req.on('close', () => close());

  try {
    send('progress', { type: 'info', message: `开始采集订单数据${shopId ? '，店铺: ' + shopId : '（全部活跃店铺）'}` });

    const result = await newSpApiScheduler.collectOrders(
      shopId || undefined,
      (event) => send('progress', event)
    );

    send('done', { success: result.success, message: result.message, processed: result.processed, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集订单数据时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sp-api-schedule/collect-report
 * 采集报表数据（创建报表任务），通过 SSE 流式返回进度
 * Body: { shopId: string }
 */
router.post('/sp-api-schedule/collect-report', async (req, res) => {
  const { shopId } = req.body || {};
  const { send, close } = createSseResponse(res);

  req.on('close', () => close());

  try {
    send('progress', { type: 'info', message: `开始采集报表数据${shopId ? '，店铺: ' + shopId : '（全部活跃店铺）'}` });

    const result = await newSpApiScheduler.collectReports(
      shopId || undefined,
      (event) => send('progress', event)
    );

    send('done', { success: result.success, message: result.message, processed: result.processed, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集报表数据时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sp-api-schedule/parse-report
 * 检查未完成报表状态并解析已完成报表，通过 SSE 流式返回进度
 * Body: { shopId: string }
 */
router.post('/sp-api-schedule/parse-report', async (req, res) => {
  const { shopId } = req.body || {};
  const { send, close } = createSseResponse(res);

  req.on('close', () => close());

  try {
    send('progress', { type: 'info', message: `开始解析报表${shopId ? '，店铺: ' + shopId : '（全部活跃店铺）'}` });

    const result = await newSpApiScheduler.parseReports(
      shopId || undefined,
      (event) => send('progress', event)
    );

    send('done', { success: result.success, message: result.message, processed: result.processed, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '解析报表时发生未知错误' });
  } finally {
    close();
  }
});

// Sorftime 定时任务管理路由
router.get('/sorftime-schedule/status', (req, res) => {
  res.json({
    success: true,
    data: {
      sorftime: sorftimeScheduler.getStatus()
    }
  });
});


/**
 * POST /api/schedule/sorftime-schedule/trigger-products
 * 手动触发全量类目热销产品采集（每类目分4页请求），SSE 实时返回进度
 * 对应定时任务：每月1日 00:00（Asia/Shanghai）
 * Body: { shopId?: string, nodeIds?: string[] }  两者均不传则采集全部叶子节点类目
 * SSE done: { success, message, successCount, errorCount, errors }
 */
router.post('/sorftime-schedule/trigger-products', async (req, res) => {
  const { shopId, nodeIds } = req.body || {};
  const { send, close } = createSseResponse(res);
  req.on('close', () => close());
  try {
    send('progress', { type: 'info', message: '开始采集类目热销产品...' });
    const result = await sorftimeScheduler.triggerCategoryProducts(
      shopId || undefined,
      nodeIds || undefined,
      (event) => send('progress', event)
    );
    send('done', { success: result.success, message: result.message, successCount: result.successCount, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集类目热销产品时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sorftime-schedule/trigger-keywords
 * 手动触发全量类目关键词采集，SSE 实时返回进度
 * 对应定时任务：每周一 01:00（Asia/Shanghai）
 * Body: { shopId?: string, nodeIds?: string[] }  两者均不传则采集全部叶子节点类目
 * SSE done: { success, message, successCount, errorCount, errors }
 */
router.post('/sorftime-schedule/trigger-keywords', async (req, res) => {
  const { shopId, nodeIds } = req.body || {};
  const { send, close } = createSseResponse(res);
  req.on('close', () => close());
  try {
    send('progress', { type: 'info', message: '开始采集类目关键词...' });
    const result = await sorftimeScheduler.triggerCategoryKeywords(
      shopId || undefined,
      nodeIds || undefined,
      (event) => send('progress', event)
    );
    send('done', { success: result.success, message: result.message, successCount: result.successCount, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集类目关键词时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sorftime-schedule/trigger-category-trends
 * 手动触发全量类目市场趋势采集（每类目6种 TrendIndex），SSE 实时返回进度
 * 对应定时任务：每月1日 01:00（Asia/Shanghai）
 * Body: { shopId?: string, nodeIds?: string[] }  两者均不传则采集全部叶子节点类目
 * SSE done: { success, message, successCount, errorCount, errors }
 */
router.post('/sorftime-schedule/trigger-category-trends', async (req, res) => {
  const { shopId, nodeIds } = req.body || {};
  const { send, close } = createSseResponse(res);
  req.on('close', () => close());
  try {
    send('progress', { type: 'info', message: '开始采集类目市场趋势...' });
    const result = await sorftimeScheduler.triggerCategoryTrends(
      shopId || undefined,
      nodeIds || undefined,
      (event) => send('progress', event)
    );
    send('done', { success: result.success, message: result.message, successCount: result.successCount, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集类目市场趋势时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sorftime-schedule/trigger-single-category
 * 按需触发单个类目的全量数据采集（热销产品 + 关键词 + 市场趋势），SSE 实时返回进度
 * Body: { nodeId: string, domain?: number }  domain 默认 1（美国站）
 * SSE done: { success, message, tasks: { products, keywords, trends }, duration, errors }
 */
router.post('/sorftime-schedule/trigger-single-category', async (req, res) => {
  const { nodeId, domain } = req.body || {};
  if (!nodeId) {
    return res.status(400).json({ success: false, message: '缺少 nodeId 参数' });
  }
  const { send, close } = createSseResponse(res);
  req.on('close', () => close());
  try {
    send('progress', { type: 'info', message: `开始采集类目 ${nodeId} 全量数据（热销产品 + 关键词 + 市场趋势）` });
    const result = await sorftimeScheduler.triggerSingleCategory(
      nodeId,
      domain || 1,
      (event) => send('progress', event)
    );
    send('done', { success: result.success, message: result.message, tasks: result.tasks, duration: result.duration, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集单类目数据时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sorftime-schedule/collect-reviews
 * 手动触发产品评论采集（遍历 Product 表 ASIN 请求 ProductReviewsQuery），SSE 实时返回进度
 * Body: 无
 * SSE done: { success, message, successCount, errorCount, errors }
 */
router.post('/sorftime-schedule/collect-reviews', async (req, res) => {
  const { send, close } = createSseResponse(res);
  req.on('close', () => close());

  try {
    send('progress', { type: 'info', message: '开始采集产品评论数据...' });

    const result = await sorftimeScheduler.triggerProductReviews(
      (event) => send('progress', event)
    );

    send('done', { success: result.success, message: result.message, successCount: result.successCount, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集产品评论时发生未知错误' });
  } finally {
    close();
  }
});

/**
 * POST /api/schedule/sorftime-schedule/collect-shop-products
 * 采集店铺竞品数据（通过 SellerId QueryType=5 分页请求），SSE 实时返回进度
 * Body: { shopId?: string }
 */
router.post('/sorftime-schedule/collect-shop-products', async (req, res) => {
  const { shopId } = req.body || {};
  const { send, close } = createSseResponse(res);

  req.on('close', () => close());

  try {
    send('progress', { type: 'info', message: `开始采集店铺产品数据${shopId ? '，店铺: ' + shopId : '（全部活跃店铺）'}` });

    const result = await sorftimeScheduler.collectShopProducts(
      shopId || undefined,
      (event) => send('progress', event)
    );

    send('done', { success: result.success, message: result.message, processed: result.processed, errorCount: result.errorCount, errors: result.errors });
  } catch (error) {
    send('error', { success: false, message: error.message || '采集店铺产品时发生未知错误' });
  } finally {
    close();
  }
});

router.get('/test', (req, res)=> {
  res.json({
    message: "测试 sp-api-schedule",
    body: req.body
  });
})

export default router;