'use strict';

const express = require('express');
const {
  requireDesktopPageAccess,
  requireExternalAutomationApiKey,
} = require('../services/externalAutomationAuth');
const {
  listAlibaba1688Products,
  getAlibaba1688Product,
  createAlibaba1688Product,
  replaceAlibaba1688Product,
  updateAlibaba1688Product,
  deleteAlibaba1688Product,
} = require('../services/alibaba1688ProductService');

const router = express.Router();
const requireAlibabaAccess = requireDesktopPageAccess('planning_upload', 'market_insight');

function requestContext(req) {
  return {
    apiKeyId: req.externalApiKey?.id || '',
    apiKeyName: req.externalApiKey?.name || '',
    remoteIp: req.externalApiKey?.remoteIp || '',
  };
}

function handleError(res, error, fallbackMessage) {
  const statusCode = error.statusCode || error.status || 500;
  if (statusCode >= 500) console.error('[Alibaba1688ProductAPI] 请求失败:', error);
  return res.status(statusCode).json({
    success: false,
    code: error.code || undefined,
    error: error.message || fallbackMessage,
  });
}

router.get('/', requireExternalAutomationApiKey, requireAlibabaAccess, async (req, res) => {
  try {
    const data = await listAlibaba1688Products(req.query || {});
    res.setHeader('Cache-Control', 'no-store');
    return res.json({ success: true, data });
  } catch (error) {
    return handleError(res, error, '查询 1688 商品失败');
  }
});

router.get('/:productId', requireExternalAutomationApiKey, requireAlibabaAccess, async (req, res) => {
  try {
    const data = await getAlibaba1688Product(req.params.productId);
    res.setHeader('Cache-Control', 'no-store');
    return res.json({ success: true, data });
  } catch (error) {
    return handleError(res, error, '查询 1688 商品详情失败');
  }
});

router.post('/', requireExternalAutomationApiKey, requireAlibabaAccess, async (req, res) => {
  try {
    const data = await createAlibaba1688Product(req.body || {}, requestContext(req));
    return res.status(201).json({ success: true, data });
  } catch (error) {
    return handleError(res, error, '新增 1688 商品失败');
  }
});

// 客户端同步使用 PUT。相同 productId 会完整覆盖快照，不做字段合并。
router.put('/:productId', requireExternalAutomationApiKey, requireAlibabaAccess, async (req, res) => {
  try {
    const data = await replaceAlibaba1688Product(
      req.params.productId,
      req.body || {},
      requestContext(req)
    );
    res.setHeader('Cache-Control', 'no-store');
    return res.json({ success: true, data });
  } catch (error) {
    return handleError(res, error, '覆盖 1688 商品失败');
  }
});

router.patch('/:productId', requireExternalAutomationApiKey, requireAlibabaAccess, async (req, res) => {
  try {
    const data = await updateAlibaba1688Product(req.params.productId, req.body || {});
    return res.json({ success: true, data });
  } catch (error) {
    return handleError(res, error, '修改 1688 商品状态失败');
  }
});

router.delete('/:productId', requireExternalAutomationApiKey, requireAlibabaAccess, async (req, res) => {
  try {
    const data = await deleteAlibaba1688Product(req.params.productId);
    return res.json({ success: true, data });
  } catch (error) {
    return handleError(res, error, '删除 1688 商品失败');
  }
});

module.exports = router;