const app = getApp();
var util = require('../../utils/util.js');
var api = require('../../utils/service-api.js');
var comReq = require('../../utils/common-request.js');
var shopcart = require('../../utils/shopcart.js');
Page({

  /**
   * 页面的初始数据
   */
  data: {
    currentIndex: 0,
    tabs: [],
    productList: [],
    offset: 0,
    limit: 8,
    queryKey: '',
    isEnd: false,
    shopId:'',
    toTopIcon:false,
    top_num:0,
    totalNum: 0,
    hasCarts: true,
    hide_good_box: true,
    needAni: -1,
    
  },



  onLoad: function(options) {
    var _this = this;
    

    this.getProductAttribute();

    this.setData({
      shopId:app.shopInfo.id,
    });

    //  获取页面的有关信息

    wx.getSystemInfo({
      success: function (res) {
        wx.setStorageSync('systemInfo', res)
        var ww = res.windowWidth;
        var hh = res.windowHeight;

        _this.busPos = {};
        _this.busPos['x'] = ww - 35;
        _this.busPos['y'] = hh - 65;
      }
    });


  },
  onShow(){

    //切换店铺重新加载产品
    if (this.data.shopId && app.shopInfo.id != this.data.shopId){
      this.cleanSearchCondition();
      this.getProductAttribute();

      this.setData({
        shopId:app.shopInfo.id,
      });
      //刷新购物车数量
      this.refreshUserCartCount();
    }

    
  },

  //切换分类
  titleClick: function(e) {
    let currentPageIndex = e.currentTarget.dataset.idx;
    this.setData({
      currentIndex: currentPageIndex,
    })
    this.cleanSearchCondition();
    this.getProduct();
  },

  /**
   * 清空数据加载条件
   */
  cleanSearchCondition(){
    this.setData({
      productList: [],
      offset: 0,
      isEnd: false,
    })
  },

  //获取产品分类
  getProductAttribute() {
    var _this = this;
    util.request({
      api: api.productAttribute.getByCode+app.shopInfo.id+"/cpfl",
      callback: function(data) {
        _this.setData({
          tabs: data.rows,
        });
        //加载产品
        _this.getProduct();
      }
    });
  },

  formTitle: function(e) {
    this.setData({
      queryKey: e.detail.value
    })
  },


  onSearching() {
    if (this.queryKey.length > 0) {
      this.setData({
        currentIndex: -1
      });
      this.cleanSearchCondition();
      this.getProduct();
    }
  },





  // 加载产品数据
  getProduct: function() {

    var _this = this;
    var limit = _this.data.limit;
    var offset = _this.data.offset;
    var queryKey = _this.data.queryKey;
    var currentIndex = this.data.currentIndex;
    var categoryId = '';
    if (this.data.tabs.length >0 && currentIndex != -1) {
       categoryId = this.data.tabs[currentIndex].attrId;
    }

    util.request({
      api: api.goods.searchGoods,
      data: {
        "limit": limit,
        "categoryId": categoryId,
        "offset": offset,
        "shopIds": app.shopInfo.id,
        "title": queryKey
      },
      callback: function(data) {

        if (data.rows.length == 0) {
          _this.setData({
            isEnd: true
          });
        } else {
          var productList = _this.data.productList;
          for (var i = 0; i < data.rows.length; i++) {
            productList.push(data.rows[i])
          }
          //更新下次调用的角标
          _this.setData({
            productList: productList,
            offset: offset + limit,
          });
        }
      }
    });

  },


  // 进入详情
  intoDetail(e) {
    var _this = this;
    var id = e.currentTarget.dataset.id;
    var service = e.currentTarget.dataset.service;
    if (service == 1) {

      this.checkUserInfoIsBuding()

      var index = e.currentTarget.dataset.index;

      var product = this.data.productList[index];
      wx.setStorageSync('chooseService', product);
      wx.switchTab({
        url: '/pages/yuyue/khyuyue'
      });
    } else {
      wx.navigateTo({
        url: '/pages/service/details?id=' + id,
      })
    }
  },




  //检查用户信息是否绑定
  checkUserInfoIsBuding() {
    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',
      })
    }
  },

  //点击购物车事件
  touchOnGoods: function (e) {
    var _this = this;
    var id = e.currentTarget.dataset.id;
    var stockNum = e.currentTarget.dataset.stockNum;
    if (stockNum < 1) {
      wx.showToast({
        title: "您来晚了,商品已经抢光了",
        icon: 'none',
      });
      return;
    }
    var productInfo = {};
    var _this = this;
    //查询产品信息
    util.request({method:"GET",
    api: api.goods.productInfo + app.shopInfo.id+"/"+ id,
    callback: function (data) {
      productInfo = data.rows[0];
      if (productInfo.skus.length == 1) {
        var skuId = productInfo.skus[0].id;
        _this.busAnimation(e);
        shopcart.playAnimation({
          page: _this,
          event: e,
        }, function () {
          comReq.addShoppingCar(skuId, 1,function(totalNum){
           
            _this.setData({
              totalNum: totalNum
            });

          });
         
        });
      } else {
        //存在多个库存
        _this.setData({
          normsList: data.rows[0].skus,
          currentGoodsInfo: data.rows[0],
          currentSku: data.rows[0].skus[0],
          normspopup: true
        });


      }
    }});

  },
  //刷新购物车数量
  refreshUserCartCount() {
    var _this = this;
    util.request({method:"POST",
    api: api.goods.getUserCartCount+app.shopInfo.id, 
    callback: function (data) {
        _this.setData({
          totalNum: data.mapInfo.userCartCount
        });
      }});
  },


  //购物车放大效果
  busAnimation: function (e) {
    var id = e.currentTarget.dataset.id;
    var that = this;
    that.setData({
      needAni: id
    });
    setTimeout(function () {
      that.setData({
        needAni: -1
      });
    }, 500);
  },




  //一键回到顶部
  goTap() {
    this.setData({ top_num: 0 })
  },

  scroll_distance: function (event) {
     
    this.setData({
      toTopIcon: event.detail.scrollTop > 300 ? true : false
    })
  },

  
  backtop: function () {
      this.setData({ top_num: 0 })
  },

 

  //转发
  onShareAppMessage(res) {

  },


})