//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


Page({
  data: {
    list:[],
    id:0,
    category:''
  },
  onLoad: function (e) {
    this.data.id = e.categoryId
    this.data.category = e.category
    // console.log(e.categoryId)
    // 数据初始化
    page = 1
    hasMore = true
    isRefresh = false

    wx.setNavigationBarTitle({
      title: e.category,
      success: function(res) {
      }
    })
    // this.setData({})
    
    this.requestData()
    // 监听事件
    event.on('listLikeChanged', this, function(data) {
      var artList = this.data.list
      artList[parseInt(data.articleIdIndex)].likeCount ++
      this.setData({
        list : artList
      });
    })
  },
  onUnload: function() {
    // 移除监听
    event.remove('listLikeChanged', this);
  },
  /*---------事件处理函数--------*/
  bindViewTap: function() {
    wx.navigateTo({
      url: '../home/home'
    })
  },
  // 加载更多
  loadMore:function(e){
    if(!hasMore || isRefresh == true){
      return
    }
    page ++
    this.requestData()
  },
  // 下拉刷新回调接口
  onPullDownRefresh: function() {
    page = 1; 
    hasMore = true
    // 网络请求，重新请求一遍数据
    this.requestData();
  },
  myScroll:function(e){
    if(e.detail.scrollTop >= e.detail.scrollHeight-wx.getSystemInfoSync().windowHeight - 3){
      this.loadMore()
    }
  },
  /*---------自定义函数--------*/
  requestData(id){
    var self = this
    isRefresh = true
    networkUtil.showLoading()
    var param = { page: page, limit: 15, type: 2,categoryId:self.data.id,days:getApp().globalData.days}
    if (!param.categoryId){
      param.categoryId = 4316
    }
    networkUtil._get(api.articleList,param,function(res){
      // console.log(res)
      isRefresh = false
      var arr = []
      if(page > 0) {// 加载更多模式
        arr = self.data.list
      }
      if (res.data.data.length < 15){
        hasMore = false
      }
      arr = arr.concat(res.data.data)
      var temp = self.data.category
      self.setData({
        list:arr,
        hasMore : hasMore,
        category : temp
      })
    },function(res){
      isRefresh = false
    })
  },
  requestRisk(){
    var self = this
    isRefresh = true
    networkUtil.showLoading()
    var param = {page:page,limit:15}
    networkUtil._get(api.riskGuideList,param,function(res){
      // console.log(res)
      isRefresh = false
      var arr = []
      if(page > 0) {// 加载更多模式
        arr = self.data.list
      }
      if(res.data.list.length < 15){
        hasMore = false
      }
      arr = arr.concat(res.data.list)
      var temp = self.data.category
      self.setData({
        list:arr,
        hasMore : hasMore,
        category : temp
      })
    },function(res){
      isRefresh = false
    })
  },
  // 文章点赞
  articleLike(e) {
    // console.log(e)
    var self = this
    // 已经点赞
    if (e.currentTarget.dataset.islike == 1) {
      networkUtil.showErrorToast('您已经点过赞啦')
      return;
    }
    networkUtil._post(api.articleLike, { id: e.currentTarget.dataset.artid }, function (res) {
      var artList = self.data.list
      artList[e.currentTarget.dataset.artindex].likeCount++
      artList[e.currentTarget.dataset.artindex].isLike = 1
      self.setData({
        list: artList
      });
    }, function (res) {
      console.log(res)
    })
  },
})