// pages/love/love.js
const app=getApp();
Page({

 /**
  * 页面的初始数据
  */
 data: {
  mode: "scaleToFill",
  arr: ['https://wxapp.xianghejia.cn/imgs/abanner01@2x.png', 'https://wxapp.xianghejia.cn/imgs/abanner01@2x.png', 'https://wxapp.xianghejia.cn/imgs/abanner01@2x.png'],
  indicatorDots: true,
  autoplay: true,
  interval: 2000,
  duration: 1000,
  haspower:false,
  showlocation: false,
  posterobj: {
   showposter: false,
   imgurl: ''
  }
 },
 gorecruit(){
  let that=this;
  wx.navigateTo({
   url: '/pages/recruit/recuit',
   success: function(res) {},
   fail: function(res) {},
   complete: function(res) {},
  })
 },
 //弹出海报
 showposter() {
  let url = 'home/poster/create_poster';
  let head = {
   'XX-Token': wx.getStorageSync('token')
  }
  app.post(url, {}, head).then((res) => {
   let posterobj = this.data.posterobj;
   posterobj.imgurl = res;
   posterobj.showposter = true;
   this.setData({
    posterobj: posterobj
   })
  }).catch((err) => {
   console.log(err)
  })
 },
 sershowposterno() {
  let posterobj = this.data.posterobj;
  posterobj.showposter = false;
  this.setData({
   posterobj: posterobj
  })
 },
 voidfun() {
 },

 //保存图片
 saveImg() {
  let that = this;
  wx.downloadFile({
   url: that.data.posterobj.imgurl,
   success: function (res) {
    wx.saveImageToPhotosAlbum({
     filePath: res.tempFilePath,
     success: function (res) {
      wx.hideLoading()
      wx.showToast({
       icon: 'none',
       title: '图片保存成功，可以分享到朋友圈'
      })
      that.setData({
       showposter: false
      })
     },
     fail: function (res) {
      wx.showToast({
       icon: 'none',
       title: '图片保存失败'
      })
      that.setData({
       showposter: false
      }) 
     }
    })
   },
   fail: function (res) {
   
   }
  })
 },
//爱心头条
getpostdata(){
 let that=this;
 let url ='home/Elephant/index';
 app.post(url,{}).then((res)=>{
  that.setData({
   postdata:res
  })
 }).catch((err)=>{
  console.log(err)
 })
},
//我要求助
 goapply(){
  wx.navigateTo({
   url: '/pages/apply/apply',
   success: function(res) {},
   fail: function(res) {},
   complete: function(res) {},
  })
 },
 //获取sessionKey和openid (登陆授权)
 start(e) {//exe1为志愿者招募，2为爱心接力，3为我要求助
  let exe = e.currentTarget.dataset.exe;
  let that = this;
  app.globalData.userInfo = e.detail.userInfo;
  wx.login({
   success: function (s) {
    let url = 'wxapp/public/getSessionKey';
    if (s.code) {
     var code = s.code;
     var param = {
      code: code
     }
     app.post(url, param).then((res) => {
      let param = {
       openid: res.openid,
       session_key: res.session_key,
       encrypted_data: e.detail.encryptedData,
       iv: e.detail.iv
      }
      let url = 'wxapp/public/login';
      app.post(url, param).then((res) => {
       wx.setStorageSync('token', res.token);
       that.setData({
        haspower: true
       })
       if (exe=='1'){
        that.gorecruit();
       } else if (exe == '2'){
        that.showposter();
       } else if (exe == '3'){
        that.goapply();
       }
      }).catch((errMsg) => {
       console.log(errMsg);
      })
     }).catch((errMsg) => {
      console.log(errMsg);
     })
    }
   }
  });
 },
 //判断是否登陆
 is_register() {
  let that = this;
  wx.login({
   success: function (s) {
    let url = 'wxapp/public/getSessionKey';
    if (s.code) {
     var code = s.code;
     var param = {
      code: code
     }
     app.post(url, param).then((res) => {
      let url = 'wxapp/public/is_register';
      let params = {
       openid: res.openid
      }
      app.post(url, params).then((res) => {
       if (res.code == '40000') {
        wx.setStorageSync('token', res.data);
        that.setData({
         haspower: true
        })
       } else {
        that.setData({
         haspower: false
        })
       }
      }).catch((err) => {
       console.log(err);
      })
     }).catch((errMsg) => {
      console.log(errMsg);
     })
    }
   }
  });
 },
 voldfun() {
 },
 showlocationno() {
  this.setData({
   showlocation: false
  })
 },
 callback(opensetting) {
  let self = this;
  let w = opensetting.detail.authSetting['scope.writePhotosAlbum'];
  if (w) {
   self.saveImg();
   this.setData({
    showlocation: false
   });
  }else{
   this.setData({
    showlocation: true
   });
  }

 },
 /**
  * 生命周期函数--监听页面加载
  */
 onLoad: function (options) {
 
 
 },

 /**
  * 生命周期函数--监听页面初次渲染完成
  */
 onReady: function () {

 },

 /**
  * 生命周期函数--监听页面显示
  */
 onShow: function () {
  let that=this;
  that.is_register();
  that.getpostdata();

 },

 /**
  * 生命周期函数--监听页面隐藏
  */
 onHide: function () {

 },

 /**
  * 生命周期函数--监听页面卸载
  */
 onUnload: function () {

 },

 /**
  * 页面相关事件处理函数--监听用户下拉动作
  */
 onPullDownRefresh: function () {

 },

 /**
  * 页面上拉触底事件的处理函数
  */
 onReachBottom: function () {

 },

 /**
  * 用户点击右上角分享
  */
 onShareAppMessage: function (options) {
  let that = this;
  // 设置菜单中的转发按钮触发转发事件时的转发内容
  var shareObj = {
   title: '象和家小程序', // 默认是小程序的名称(可以写slogan等)
   path: '/pages/index/index', // 默认是当前页面，必须是以‘/’开头的完整路径
   imageUrl: '../imgs/poster.png',//自定义图片路径，可以是本地文件路径、代码包文件路径或者网络图片路径，支持PNG及JPG，不传入 imageUrl 则使用默认截图。显示图片长宽比是 5:4
   success: function (res) {
    // 转发成功之后的回调
    if (res.errMsg == 'shareAppMessage:ok') {
     that.setData({
      showposter: false
     })
    }
   },
   fail: function () {
    // 转发失败之后的回调
    if (res.errMsg == 'shareAppMessage:fail cancel') {
     // 用户取消转发
    } else if (res.errMsg == 'shareAppMessage:fail') {
     // 转发失败，其中 detail message 为详细失败信息
    }
   },
   complete: function () {
    // 转发结束之后的回调（转发成不成功都会执行）
   }
  }　　 // 来自页面内的按钮的转发

  if (options.from == 'button') {
   // 此处可以修改 shareObj 中的内容
   // shareObj.path = '/pages/start/start?status=' + options.target.dataset.status
  }　　 // 返回shareObj

  return shareObj;
 }
 
})