//aboutThePrenatal.js 产检须知

// 网络请求工具类
var networkUtil = require('../../utils/network_util.js')
var api = require('../../utils/apiFile.js')
// 数字类数据处理
var numberUtil = require('../../utils/numberUtil.js')
var util = require('../../utils/util.js')

var timeflag;
// 当前孕周
var currentWeek;
//获取应用实例
var app = getApp()
Page({
  data: {
    gridHeight:((wx.getSystemInfoSync().windowWidth) * 0.5)+'rpx',
    colorList:['#f5bf6a','#54d7ba','#60c7ed','#ff9b8e','#60c7ed','#ff9b8e','#f5bf6a','#54d7ba'],
    // 上方孕周列表
    list:[],
    // 检查项目item
    checkItems:[],
    // 下方卡片的信息
    cardInfo:{},
    hospitalId:0,
  },
  responseData:{}
  ,
  /*---------生命周期--------*/
  onLoad: function (e) {
    // console.log(new Date(*1000))
    networkUtil.showLoading()
    var that = this
    that.data.hospitalId = e.hospitalId
    currentWeek = e.week
    that.requestData()
  },
  onReady: function () {
        // 页面渲染完成
        this.setData({
            vheight: wx.getSystemInfoSync().windowHeight - 50,
            vw: wx.getSystemInfoSync().windowWidth
        });

    },
  /*---------交互--------*/
    // 点击年龄的滑动块
  clickYear: function (e) {
    var that = this;
    // 每个块的宽度
    var cell = that.data.vw / 7;
    for (var i = 0; i < that.data.list.length; i++) {
        var item = that.data.list[i];
        if (item.id == e.currentTarget.id) {
            var offset = cell * i;
            this.setCardInfo(i)
            this.setData({
                scrollto: offset
            })
            break
        }
    }
  },
  myscroll: function(e) {
    var that = this
    clearTimeout(timeflag);
    timeflag = setTimeout(function() {
        
        // 每个块的宽度
        var cell = that.data.vw / 7;
        // 左侧偏移量
        var left = e.detail.scrollLeft;
        // 一个块与中线的偏移量
        var ofset = left % cell;
        // 四舍五入获取index
        var index = parseInt(left / cell + 0.5)
        that.setCardInfo(index)
        if(ofset > cell / 2) {
            that.setData({
                scrollto: left - ofset + cell
            });
        } else {
            that.setData({
                scrollto: left - ofset
            });
        }
    }, 300)
  },
  /*---------自定义函数--------*/
  requestData(){
    var self = this
    var param = {page:0,limit:30,hospitalId:self.data.hospitalId}
    networkUtil._get(api.checkInfoOfPregnancy,param,function(res){
        console.log(res)
        res.data.list.sort(function(a,b){
            return a.weekStart - b.weekStart
        })
        self.responseData = res.data
        self.setUIContent(res.data)
    },function(res){

    })
  },
  setUIContent(data){
      // 孕周列表
    var weekArray = []
    var lastMenses = app.globalData.userInfo.lastMenses
    data.list.map(function(item,index){
        
        // 去掉项目最后的一个空格
        var str = item.items
        if(item.items.charAt(item.items.length - 1) == ' '){
            str = item.items.substring(0,item.items.length - 1)
        }
        // 计算孕周的具体时间
        var startDate = numberUtil.DateAdd('w ',item.weekStart - 1,new Date(app.globalData.userInfo.lastMenses * 1000))
        var endDate = numberUtil.DateAdd('w ',item.weekEnd,new Date(app.globalData.userInfo.lastMenses * 1000 - 86400000))
        var startDateStr = startDate.getFullYear()+'年'+(startDate.getMonth() + 1)+'年'+startDate.getDate()+'日'
        var endDateStr = endDate.getFullYear()+'年'+(endDate.getMonth() + 1)+'年'+ (endDate.getDate()) +'日'
        // 拼接孕周并放入数据
        item.timeRange = startDateStr + '-' + endDateStr
        weekArray.push({text:item.weekStart + '周',id:index,checkItems:str.split(' ')})
        return item
    })
    this.setData({
        list : weekArray,
    })
    // 跳转到当前孕周的信息
    this.scrollToTheSpecifiedLocation()
  },
  setCardInfo(index){
    var cardInfo = this.data.cardInfo
    // 孕周
    if(this.responseData.list[index].weekStart != this.responseData.list[index].weekEnd){
        cardInfo.title = this.responseData.list[index].weekStart + '-' + this.responseData.list[index].weekEnd
    } else {
        cardInfo.title = this.responseData.list[index].weekStart
    }
    cardInfo.timeRange = this.responseData.list[index].timeRange
    // 提醒文字
    cardInfo.prompt = this.responseData.list[index].purpose
    var arr = this.data.list
    // 检查项目
    cardInfo.checkItems = this.data.list[index].checkItems

    this.setData({
        cardInfo : cardInfo
    })
  },
  // 跳转指定位置
  scrollToTheSpecifiedLocation(){
      var that = this
      var toIndex = 0
      that.responseData.list.map(function(item,index){
          if(currentWeek <= item.weekEnd && currentWeek >= item.weekStart){
              toIndex = index
          }
          return item
      })
      var cell = that.data.vw / 7;
      var offset = cell * toIndex;
      that.setCardInfo(toIndex)
      that.setData({
            scrollto: offset
        })
  }
})