//articleLists.js 文章列表
// 网络请求工具类
var networkUtil = require('../../utils/network_util.js')
var api = require('../../utils/apiFile.js')
// 事件监听
var event = require('../../utils/event.js')
var page
// 是否有更多
var hasMore
var isRefresh
// 获取应用实例
var app = getApp()

var pageLimit=15
var animation1 = wx.createAnimation({
       duration:1000
})
Page({
  data: {
    list: [],
    images: {},
    titles: [],//"日常护理", "营养美食", "疾病护理", "亲子互动", "言传身教"
    category:'',
    current_index:0,
    animationData:{},
    swiperHeight:0
  },
  onLoad: function (e) {
    // 数据初始化
    var self = this
    page = 1
    hasMore = true
    isRefresh = false
    this.setData({
        titles: app.globalData.artList,
        category: app.globalData.artList[self.data.current_index].id,
        images: app.globalData.artList[self.data.current_index].iconimage,
        swiperHeight: wx.getSystemInfoSync().windowWidth * 0.42
    })
    this.requestData()
    
   
  },
  onUnload: function() {
   
  },
  /*---------事件处理函数--------*/
  bindViewTap: function() {
    wx.navigateTo({
      url: '../home/home'
    })
  },
  // 加载更多
  loadMore:function(){
      
      console.log("hasMore:", hasMore)
    if(!hasMore || isRefresh == true){
      return
    }
    page ++
    networkUtil.showLoading()
    this.requestData()
    
  },
  // 下拉刷新回调接口
  refesh: function() {
    page = 1; 
    hasMore = true
    var self=this
    this.setData({
        list: [],
        
    })
    animation1 = wx.createAnimation({
        duration: 1000
    })
    animation1.rotate(720).step()

    this.setData({
        animationData: animation1.export()
    })

   

    networkUtil.showLoading()
    // 网络请求，重新请求一遍数据
    this.requestData();
  },
  myScroll: function (e) {
      console.log("e:", e)
    // if(e.detail.scrollTop >= e.detail.scrollHeight-wx.getSystemInfoSync().windowHeight - 3){
    //   this.loadMore()
    // }
      this.loadMore()
  },
  titleClick:function(e){
    //   console.log(e)
    var self=this
      var current_index = e.currentTarget.dataset.index
      var categoryid = e.currentTarget.dataset.categoryid
      this.setData({
          category: categoryid,
          current_index: current_index,
          images: app.globalData.artList[current_index].iconimage
      })
      page = 1;
      hasMore = true
      this.requestData()
  },
  toSearch(){
    wx.navigateTo({
      url: '../SearchPage/SearchPage',
    })
  },
  toDetail:function(e){
      var self = this
      var id = e.currentTarget.dataset.id
      wx.navigateTo({
          url: '../childcare_knowledge_detail/childcare_knowledge_detail?id=' + id + ' & category=' + self.data.category,
      })
  },

  /*---------自定义函数--------*/
  requestData(){
    var self = this
    isRefresh = true
    networkUtil.showLoading()
    var param = { page: page, limit: pageLimit, type: 2, categoryId: self.data.category}
    // console.log(param)
    networkUtil._get(api.articleList,param,function(res){
        console.log(res)
      isRefresh = false
      var arr = []
      if(page > 1) {// 加载更多模式
        arr = self.data.list
      }
      if (res.data.data.length < pageLimit){
        hasMore = false
      }else{
          hasMore = true
      }
      arr = arr.concat(res.data.data)
      self.setData({
        list:arr,
        hasMore: hasMore
      })
    //   var that = this;
      setTimeout(function () {
          animation1.rotate(0).step({ duration: 0, transformOrigin: "50%,50%", timingFunction: 'linear' })
          self.setData({
              animationData: animation1.export()
          })
      }, 300)
      
    },function(res){
      isRefresh = false
      setTimeout(function () {
          animation1.rotate(0).step({ duration: 0, transformOrigin: "50%,50%", timingFunction: 'linear' })
          self.setData({
              animationData: animation1.export()
          })
      }, 300)
    })

   
  },
  // 文章点赞
  articleLike: function (e){
      console.log(e)
      var self = this
      var id = e.currentTarget.dataset.id
      var index = e.currentTarget.dataset.index
      // 已经点赞
      if (self.data.list[index].isLike == 1) {
          networkUtil.showErrorToast('您已经点过赞啦')
          return;
      }
      networkUtil._post(api.articleLike, { id: id }, function (res) {
          console.log(res)
          
          self.data.list[index].likeCount++
          self.data.list[index].isLike = 1
          self.setData({
              list: self.data.list
          })
         
      }, function (res) {
          console.log(res)
      })
  }
})