'use strict';

const express = require('express');
const {
  getModularStockList,
  getModularStockFilters,
  getPurchaseInTransitList,
  syncModularStock,
} = require('../services/modularStockMonitorService');

const router = express.Router();

function sendError(res, error, fallback) {
  const status = Number(error?.statusCode) || 500;
  console.error('[ModularStockMonitor]', {
    message: error?.message || fallback,
    code: error?.code || null,
    status,
  });
  res.status(status).json({ success: false, error: error.message || fallback });
}

// 配件库存监控明细列表（默认仅「简尚-崔桥工厂半成品包装项目仓」）
router.get('/list', async (req, res) => {
  try {
    res.json({ success: true, data: await getModularStockList(req.query || {}) });
  } catch (error) {
    sendError(res, error, '加载配件库存监控列表失败');
  }
});

// 筛选下拉选项（品类 / 预警等级）
router.get('/filters', async (_req, res) => {
  try {
    res.json({ success: true, data: await getModularStockFilters() });
  } catch (error) {
    sendError(res, error, '加载配件库存监控筛选选项失败');
  }
});

// 采购在途明细列表：目标仓全部「采购数量 > 已入库数量」的采购单明细
router.get('/purchase-in-transit', async (req, res) => {
  try {
    res.json({ success: true, data: await getPurchaseInTransitList(req.query || {}) });
  } catch (error) {
    sendError(res, error, '加载采购在途明细失败');
  }
});

// 手动同步：重新取最新监控日，前端「同步」按钮调用后再拉一次列表即拿到最新快照
router.post('/sync', async (_req, res) => {
  try {
    res.json({ success: true, data: await syncModularStock() });
  } catch (error) {
    sendError(res, error, '同步配件库存监控数据失败');
  }
});

module.exports = router;