//index.js
//获取应用实例
const app = getApp()
var host = app.globalData.host;
Page({
  data: {
    zimu_list: ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'],
    scroll: '', //滚动到指定 id值的子元素
    touchmove: 0,//给字母导航添加背景色 1 添加 0不添加
    nav_height: '',//字母导航单个元素高度
    nav_top:'',
    hiddenn: true,//hint_box 提示框 展示隐藏
    nav_text: '',//hint_box 提示框里面的文本
    lb:[],
    act:0,
    journals:[],
    organizers:[],
    subjects:[],
    show:1,
    uid:'',
    page_org:1,
    page_sub:1,
    total_org:0,
    total_sub:0
  },


  onShow: function () {
    if (this.data.uid){
      this.setData({
        organizers: [],
        subjects: [],
        page_org: 1,
        page_sub: 1,
        total_org: 0,
        total_sub: 0
      })
      this.getData();
    }else{
      this.setData({
        openid: app.globalData.openid
      })
      wx.getStorage({
        key: 'uid',
        success: res => {
          if (res.data) {
            this.setData({ show: 0, uid: res.data })
          }
          this.getData();
        },
      })
    }  
    
    
  },
  onGotUserInfo: function () {
    wx.getUserProfile({
      desc: '用于完善会员资料',
      success: res=> {
        //获取基本信息
        var data = {
          nickName: res.userInfo.nickName,
          avatarUrl: res.userInfo.avatarUrl
        }
        wx.showLoading({
          title: '正在登陆',
        })
        wx.setStorage({
          key: 'userInfo',
          data: data,
        })
        wx.request({
          url: host + '/api/auth',
          method: 'POST',
          data: {
            nickname: data.nickName,
            avatar: data.avatarUrl,
            openid: app.globalData.openid,
          },
          success: res => {
            wx.hideLoading()
            wx.setStorage({
              key: 'uid',
              data: res.data.data.uid,
            })
            this.setData({
              show: 0
            })
          },
          fail:error=>{
            wx.hideLoading()
            wx.showLoading({
              title: '登陆失败',
            })
          }
        })
      }
    })   
    
  },
  //主办单位下一页
  next_org:function(){
    if(this.data.organizers.length < this.data.total_org){
        const page = this.data.page_org+1
        this.setData({
          page_org: page
        })
        this.getorg()
    }
    
  },
  //领域期刊下一页
  next_sub:function(){
    if(this.data.subjects.length < this.data.total_sub){
        const page = this.data.page_sub+1
        this.setData({
          page_sub: page
        })
        this.getsub()
    }
    
  },
  //获取所有数据
  getData:function(flag){
    wx.showNavigationBarLoading()
    var that=this;
    if(!flag){
      wx.request({
        url: host+'/api/index/banners',
        method:'GET',  
        success:function(res){
            that.setData({
              lb: res.data.data.banners
            })
        },
        fail: function () {
          wx.hideNavigationBarLoading()
          wx.showToast({
            title: '服务器开小差啦！',
            icon: 'none'
          })
        }
      })
      // 全刊
      wx.request({
        url: host + '/api/index/journals',
        method: 'GET',
        success: function (res) {
          wx.hideNavigationBarLoading()
          that.setData({
            journals: res.data.data.journals
          })
        }
      })
    }
    this.getorg()
    this.getsub()
  }, 
  //主办单位
  getorg:function(){
    console.log(this.data.page_org)
    const organizers=this.data.organizers;
    wx.request({
      url: host + '/api/index/organizers',
      method: 'GET',
      data: {
        uid: this.data.uid,
        page: this.data.page_org
      },
      success: res=>{
        wx.hideNavigationBarLoading()
        if(res.data.code == 0){
          const list=res.data.data.list;
          for(let i=0;i<list.length;i++){
            organizers.push(list[i])
          }
          this.setData({
            organizers: organizers,
            total_org:res.data.data.total
          })
        }
        
      }
    })
  },
  //领域期刊
  getsub:function(){
    const subjects=this.data.subjects;
    wx.request({
      url: host + '/api/index/subjects',
      method: 'GET',
      data: {
        uid: this.data.uid,
        page: this.data.page_sub
      },
      success: res=>{
        wx.hideNavigationBarLoading()
        if(res.data.code == 0){
          const list=res.data.data.list;
          for(let i=0;i<list.length;i++){
            subjects.push(list[i])
          }
          this.setData({
            subjects: subjects,
            total_sub:res.data.data.total
          })
        }
        
      }
    })
  },
  search:function(){
    wx.navigateTo({
      url: '../search/search',
    })
  },
  //置顶
  top: function(e){
    var that=this;
      wx.request({
        url: host+'/api/index/totop',
        method:'PUT',
        data:{
          id:e.target.dataset.id,
          type: e.target.dataset.type,
          uid:this.data.uid,
          action:'do'
        },
        success:function(res){
          wx.showToast({
            title: '置顶成功',
            icon:'none'
          })
          that.getData(1)
        }
      })
  },
  cancel_top: function (e) {
    var that = this;
    wx.request({
      url: host + '/api/index/totop',
      method: 'PUT',
      data: {
        id: e.target.dataset.id,
        type: e.target.dataset.type,
        uid: this.data.uid,
        action:'cancel'
      },
      success: function (res) {
        wx.showToast({
          title: '已取消',
          icon: 'none'
        })
        that.getData(1)
      }
    })
  },
  tab:function(e){
    this.setData({
      act: e.target.dataset.id
    })
  },
  swchange:function(e){
    this.setData({
      act: e.detail.current
    })
  },
  onReady: function () {
    this.get_height();
  },
  //事件处理函数
  touchstart: function (e) {
    this.set_scroll(e)
  },
  touchmove: function (e) {
    this.set_scroll(e)
  },
  touchend: function () {
    this.setData({
      touchmove: 0,
      hiddenn: true
    })
  },
  scroll(e){
      var that = this
      this.setData({
        scroll:e.target.dataset.id,
      })
  },
  set_scroll: function (e) {
    var page_y = e.changedTouches[0].pageY - this.data.nav_top;
    // console.log(page_y)
    var nav_height = +this.data.nav_height
    var idx = Math.floor(page_y / nav_height)
    var zimu = this.data.zimu_list[idx];
    this.setData({
      touchmove: 1,
      scroll: zimu,
      nav_text: zimu,
      hiddenn: false
    })
  },
  get_height: function () {
    var that = this
    var query = wx.createSelectorQuery();
    query.select('#nav_item').boundingClientRect()
    wx.createSelectorQuery().select('#nav').boundingClientRect(function (rect) {
      that.setData({
        nav_top: rect.top,
      })
    }).exec()
    query.exec(function (res) {
      that.setData({
        nav_height: res[0].height,
      })
    })
  },
  
  getUserInfo: function(e) {
    console.log(e)
    app.globalData.userInfo = e.detail.userInfo
    this.setData({
      userInfo: e.detail.userInfo,
      hasUserInfo: true
    })
  },
  toDetail:function(e){
    console.log(e)
  },
  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
     wx.startPullDownRefresh()
  },
})