const app=getApp();
var util = require('../../utils/util.js');
var api = require('../../utils/service-api.js');
var comReq = require('../../utils/common-request.js');
Page({
  data: {
    selectAllStatus: 1,
    carts: [], // 购物车列表
    totalPrice: 0, // 总价，初始为0
    totalNum: 0, // 总数，初始为0
    couponGroupList: [{}],
    selectCount: "",
  },

  onShow() {
    comReq.refreshUserCartCount();
    this.loadCarList();
  },

  onLoad() {},

  /**
   * 删除购物车当前商品
   */
  deleteList(e) {
    var _this = this;
    const id = e.currentTarget.dataset.id;
    util.request({
      method: "POST",
      api: api.shoppingCart.deleteByCartId + id,
      callback: function(data) {
        _this.loadCarList();
        comReq.refreshUserCartCount();
      }
    });

  },

  /**
   * 当前商品选中事件
   */
  selectList(e) {
    let id = e.currentTarget.dataset.id;
    let isSelected = e.currentTarget.dataset.selected;
    isSelected = (isSelected == 1 ? 2 : 1);
    var _this = this;
    util.request({
      method: "POST",
      api: api.shoppingCart.updateCartSelected,
      data: {
        "cartId": id,
        "isSelected": isSelected
      },
      callback: function() {
        _this.loadCarList();
      }
    });
  },


  /**
   * 购物车全选事件
   */
  selectAll(e) {
    var _this = this;
    let selectAllStatus = this.data.selectAllStatus;
    selectAllStatus = (selectAllStatus == 1 ? 2 : 1);
    this.setData({
      "selectAllStatus": selectAllStatus,
    });
    util.request({
      method: "POST",
      api: api.shoppingCart.updateCartAllSelected + app.shopInfo.id +"/"+ selectAllStatus,
      callback: function() {
        _this.loadCarList();
      }
    });
  },

  /**
   * 绑定加数量事件
   */
  updateCarNumber(e) {
    var _this = this;

    const type = e.currentTarget.dataset.type;
    var id = e.currentTarget.dataset.id;

    let increaseAndDecrease = "1";
    if (type == "down") {
      increaseAndDecrease = "2";
    }
    util.request({
      method: "POST",
      api: api.shoppingCart.updateCarNumberByCartId,
      data: {
        "cartId": id,
        "increaseAndDecrease": increaseAndDecrease
      },
      callback: function(data) {
        _this.loadCarList();
        comReq.refreshUserCartCount();
      }
    });
  },


  /**
   *  结算
   */
  castAccount() {
    var _this = this;
    var ids = '';
    if (_this.data.selectCount == 0) {
      wx.showToast({
        title: '请选择商品',
        icon: 'success',
        duration: 2000
      })
    } else {



      //判断是否绑定手机号
      if (util.isBlank(getApp().userInfo.nickName)) {
        wx.navigateTo({
          url: '/pages/welcome/welcome?url=/pages/yuyue/khyuyue',
        })
      } else if (util.isBlank(getApp().userInfo.phoneNumber)) {
        wx.navigateTo({
          url: '/pages/phone/phone?url=/pages/yuyue/khyuyue',
        })
      }
      
      wx.navigateTo({
        url: '/pages/service/shopOrder?model=2',
      })

    }

  },

  //　进入商品详情
  goGoods(e) {
    var id = e.currentTarget.dataset.id;
    wx.navigateTo({
      url: '../details/details?id=' + id, //把id传到product页面
    })
  },

  // 上拉加载
  onReachBottom: function() {

  },

  //加载购物车列表
  loadCarList() {
    var _this = this;
    util.request({
      method: "POST",
      data:{shopId:app.shopInfo.id},
      api: api.shoppingCart.findShoppingCart,
      callback: function(data) {
        if (data.mapInfo.cartCount == data.mapInfo.selectCount) {
          _this.setData({
            "selectAllStatus": 1,
          });
        } else {
          _this.setData({
            "selectAllStatus": 2,
          });
        }
        _this.setData({
          "couponGroupList": data.rows,
          "billTotal": data.mapInfo.billTotal,
          "billCouponTotal": data.mapInfo.billCouponTotal,
          "selectCount": data.mapInfo.selectCount,
          "cartCount": data.mapInfo.cartCount,
        });
      }
    });


  },


  /**
   * 凑单
   */
  coudan(e) {
    var coupon = e.currentTarget.dataset.coupon;
    console.log(coupon);
    if (coupon) {
      wx.navigateTo({
        url: '../shopTypeSecond/shopTypeSecond?content=' + coupon,
      })
    } else {
      console.log("没有优惠券");
      wx.switchTab({
        url: '../shopType/shopType',
        success: function() {
          console.log(1);
        },
        fail: function(e) {
          console.log(e);
        }
      })
    }
  },


  //一键回到顶部
  goTap() {
    util.goTap();
  },
  //获取滚动条当前位置
  onPageScroll: function(e) {
    if (e.scrollTop > 400) {
      this.setData({
        floorstatus: true
      });
    } else {
      this.setData({
        floorstatus: false
      });
    }
  },


})