import { config } from '../../config/index';

/** 获取商品列表 */
function mockFetchGoodsList(pageIndex = 1, pageSize = 20) {
  const { delay } = require('../_utils/delay');
  const { getGoodsList } = require('../../model/goods');
  return delay().then(() =>
    getGoodsList(pageIndex, pageSize).map((item) => {
      return {
        spuId: item.spuId,
        thumb: item.primaryImage,
        title: item.title,
        price: item.minSalePrice,
        originPrice: item.maxLinePrice,
        tags: item.spuTagList.map((tag) => tag.title),
      };
    }),
  );
}

/** 获取商品列表 */
export function fetchGoodsList(pageIndex = 1, pageSize = 20, categoryId = null) {
  if (config.useMock) {
    return mockFetchGoodsList(pageIndex, pageSize);
  }
  
  return new Promise((resolve, reject) => {
    const requestData = {
      page: pageIndex,
      limit: pageSize,
    };
    
    // 如果有分类ID，添加到请求参数中
    if (categoryId) {
      requestData.category_id = categoryId;
    }
    
    wx.request({
      url: `${config.apiBase}/products`,
      method: 'GET',
      data: requestData,
      success: (res) => {
        if (res.statusCode === 200 && res.data.code === 200) {
          // 转换API数据格式为小程序期望的格式
          const products = res.data.data?.list || [];
          const goodsList = products.map((item) => {
            return {
              spuId: item.id,
              thumb: item.main_image,
              title: item.name,
              price: item.price,
              originPrice: item.orig_price || item.price,
              tags: [], // API暂时没有标签数据
              stock: item.stock || 0, // 添加库存信息
              isStock: item.stock > 0, // 添加库存状态
            };
          });
          resolve(goodsList);
        } else {
          console.error('获取商品列表失败:', res.data);
          resolve([]);
        }
      },
      fail: (err) => {
        console.error('商品列表请求失败:', err);
        resolve([]);
      }
    });
  });
}