var util = require('../../utils/util.js');
var api = require('../../config/api.js');

Page({
 data: {
  categoryList: [],
  currentCategory: {},
  currentSubCategoryList: {},
  scrollLeft: 0,
  scrollTop: 0,
  goodsCount: 0,
  scrollHeight: 0
 },
 onLoad: function(options) {
  this.getCatalog();
 },
 onPullDownRefresh() {
  wx.showNavigationBarLoading() //在标题栏中显示加载
  this.getCatalog();
  wx.hideNavigationBarLoading() //完成停止加载
  wx.stopPullDownRefresh() //停止下拉刷新
 },
 getCatalog: function() {
  //CatalogList
  let that = this;
  wx.showLoading({
   title: '加载中...',
  });
  util.request(api.CatalogList).then(function(res) {
   that.setData({
    categoryList: res.data.categoryList,
    currentCategory: res.data.currentCategory,
    currentSubCategoryList: res.data.currentSubCategory
   });
   wx.hideLoading();
  });
  util.request(api.GoodsCount).then(function(res) {
   that.setData({
    goodsCount: res.data.goodsCount
   });
  });

 },
 getCurrentCategory: function(id) {
  let that = this;
  util.request(api.CatalogCurrent, {
    id: id
   })
   .then(function(res) {
    that.setData({
     currentCategory: res.data.currentCategory,
     currentSubCategoryList: res.data.currentSubCategory
    });
   });
 },
 onReady: function() {
  // 页面渲染完成
 },
 onShow: function() {
  // 页面显示
 },
 onHide: function() {
  // 页面隐藏
 },
 onUnload: function() {
  // 页面关闭
 },
 getList: function() {
  var that = this;
  util.request(api.ApiRootUrl + 'api/catalog/' + that.data.currentCategory.catId)
   .then(function(res) {
    that.setData({
     categoryList: res.data,
    });
   });
 },
 switchCate: function(event) {
  var that = this;
  var currentTarget = event.currentTarget;
  if (this.data.currentCategory.id == event.currentTarget.dataset.id) {
   return false;
  }

  this.getCurrentCategory(event.currentTarget.dataset.id);
 }
})