import {
  fetchHome
} from '~/services/home/home';
import {
  fetchGoodsList
} from '~/services/good/fetchGoodsList';
import {
  getbannerList
} from '~/services/home/getbannerList';
import {
  getHomeCategoryListApi
} from '~/services/home/getHomeCategoryListApi';
import {
  getNoticeList
} from '~/services/home/getNoticeList';
import Toast from 'tdesign-miniprogram/toast/index';

Page({
  data: {
    imgSrcs: [],
    tabList: [],
    noticeList: [],
    marquee: {
      speed: 40,
      loop: -1,
      delay: 0,
    },
    goodsList: [],
    goodsListLoadStatus: 0,
    pageLoading: false,
    current: 0,
    autoplay: true,
    duration: '500',
    interval: 5000,
    navigation: {
      type: 'dots',
    },
    swiperImageProps: {
      mode: 'scaleToFill',
    },
    categoryGuid: 0,
    // 加入购物车
    buyType: 0,
    outOperateStatus: false, // 是否外层加入购物车
    isSpuSelectPopupShow: false,
  },

  goodListPagination: {
    index: 1,
    num: 6,
  },

  privateData: {
    tabIndex: 0,
  },

  onShow() {
    this.getTabBar().init();
  },

  onLoad() {
    this.init();
  },

  onReachBottom() {
    if (this.data.goodsListLoadStatus === 0) {
      this.loadGoodsList();
    }
  },

  onPullDownRefresh() {
    this.init();
  },

  init() {
    this.loadHomePage();
  },

  loadHomePage() {
    wx.stopPullDownRefresh();

    this.setData({
      pageLoading: true,
    });

    // 获取轮播图列表
    getbannerList().then((res) => {
      if (res.code == 200) {
        this.setData({
          imgSrcs: res.data.map((v) => v.bannerImg),
        });
      }
    });

    // 获取首页推荐类目
    getHomeCategoryListApi().then((res) => {
      this.setData({
        tabList: res.data,
      });
      this.data.tabList.unshift({
        text: "精选推荐",
        key: 0,
        categoryGuid: 1,
      })
      this.setData({
        tabList: res.data,
        pageLoading: false,
      });
      this.loadGoodsList(true);
    });
    // 获取公告列表
    getNoticeList().then((res) => {
      if (res.code == 200) {
        const _noticeData = res.data.map((v) => {
          return {
            ...v,
            visible: true
          };
        });
        this.setData({
          noticeList: _noticeData,
        });
      }
    });
  },

  tabChangeHandle(e) {
    this.privateData.tabIndex = e.detail;
    this.setData({
      categoryGuid: e.detail.value,
    });
    this.loadGoodsList(true);
  },

  onReTry() {
    this.loadGoodsList();
  },

  async loadGoodsList(fresh = false) {
    if (fresh) {
      wx.pageScrollTo({
        scrollTop: 0,
      });
    }

    this.setData({
      goodsListLoadStatus: 1,
    });

    const pageSize = this.goodListPagination.num;
    let pageIndex = this.goodListPagination.index + 1;
    if (fresh) {
      pageIndex = 1;
    }

    let params = {
      pageNum: pageIndex,
      pageSize: pageSize,
      shopGoodsCategoryGuid: this.data.categoryGuid
    }
    try {
      const nextList = await fetchGoodsList(params);
      this.setData({
        goodsList: fresh ? nextList.result : this.data.goodsList.concat(nextList.result),
        goodsListLoadStatus: 0,
      });

      this.goodListPagination.index = pageIndex;
      this.goodListPagination.num = pageSize;
    } catch (err) {
      this.setData({
        goodsListLoadStatus: 3,
      });
    }
  },

  goodListClickHandle(e) {
    const {
      index
    } = e.detail;
    const {
      spuId
    } = this.data.goodsList[index];
    wx.navigateTo({
      url: `/pages/goods/details/index?spuId=${spuId}`,
    });
  },

  // 加入购物车
  goodListAddCartHandle(type) {
    this.setData({
      buyType: 0,
      outOperateStatus: 1,
      isSpuSelectPopupShow: true,
    });
  },

  navToSearchPage() {
    wx.navigateTo({
      url: '/pages/goods/search/index',
    });
  },

  navToActivityDetail({
    detail
  }) {
    const {
      index: promotionID = 0
    } = detail || {};
    wx.navigateTo({
      url: `/pages/promotion-detail/index?promotion_id=${promotionID}`,
    });
  },
});