const app = getApp();
// import { getPublicImage } from '@/assets/js/middleGround/tool.js'
import { getPublicImage } from '../../assets/js/middleGround/tool';

Page({
  data: {
    imgUrl: [],
    shoppingCartData: [],
    checkAll: false,
    checkedList: [],
    selectedCount: 0,
    totalPrice: 0.00
  },

  onLoad(options) {
    wx.setNavigationBarTitle({
      title: '购物车'
    });
    this.shoppingCartGet();
  },

  onDelete(e) {
    const item = e.currentTarget.dataset.item;
    app.MG.store.delShoppingCart({
      ids: [item.id]
    }).then(res => {
      this.shoppingCartGet();
      wx.showToast({ title: '你点击了删除', icon: 'none' });
    });
  },

  shoppingCartGet() {
    let query = {
      start: 0,
      size: 999,
      filterList: [],
      searchList: []
    };
    app.MG.store.getShoppingCartProductList(query).then(res => {
      res.datas.forEach(item => {
        item.imgUrl = getPublicImage(item.productMonWithLinkDto.product.icon, '', '160');
      });

      this.setData({
        shoppingCartData: res.datas
      });
    });
  },

  bottomChange(e) {
    const checked = e.detail.value.length > 0;
    const items = this.data.shoppingCartData.map(item => {
      item.checked = checked;
      return item;
    });
    this.setData({
      shoppingCartData: items,
      checkAll: checked
    });
    this.calculateSelectedCount();
    this.calculateTotalPrice();
  },

  HandelItemChange(e) {
    const { item } = e.target.dataset;
    const items = this.data.shoppingCartData
    items.map(eitem => {
      if (eitem.id == item.id) {
        eitem.checked = e.detail.checked
      }


    })
    const data = items.filter(item => item.checked)
    const checkAll = data.length == this.data.shoppingCartData.length

    this.setData({
      shoppingCartData: items,
      checkAll
    });
    this.calculateSelectedCount();
    this.calculateTotalPrice();
  },

  calculateSelectedCount() {
    const selectedItems = this.data.shoppingCartData.filter(item => item.checked);
    const selectedCount = selectedItems.length;
    this.setData({
      selectedCount
    });
  },

  calculateTotalPrice() {
    const selectedItems = this.data.shoppingCartData.filter(item => item.checked);
    const totalPrice = selectedItems.reduce((total, item) => total + parseFloat(item.saleMethod.price), 0);
    this.setData({
      totalPrice: totalPrice.toFixed(2)
    });
  },
  goPaymentPage() {


    const selectedItems = this.data.shoppingCartData.filter(item => item.checked);
    console.log(selectedItems, 789);
    const selectedIds = selectedItems.map(item => item.id);
    console.log('选中的商品 id:', selectedIds);

    app.MG.store.shoppingCartCreateOrder({ linkIds: selectedIds }).then(res => {
      console.log(res.orderNumber, 456);
      const url = '/pages/cart/paymentPage/index?orderNumber=' + res.orderNumber
      wx.navigateTo({
        url
      });


    })


  }
});