// pages/found2/index2.js

var startY, endY
Page({

    /**
     * 页面的初始数据
     */
    data: {
        page    :   1,
        has_more:   true,
        lists   :   [],
        share_id:   '',
        currentIndex : 0,
        safeArea     : getApp().globalData.safeArea,
        playing      : false
    },

    onLoad(e){
        this.setData({
            share_id : e.share_id || ''
        })
        getApp().globalData.inviteText = e.invite || ''
        this.getList()
        this.videoContext = wx.createVideoContext('found-cont-video')
    },

    onHide(){
        if(this.data.share_id){
            this.setData({
                share_id:''
            })
        }
    },

    getList(){
        let params = {
            page:this.data.page,
            share_id:this.data.share_id
        }
        wx.$api.found.foundIndex(params).then(res => {
            let lists = this.data.lists
            if(this.data.page == 1){lists = []}
            lists = this.data.lists.concat(res.data.data)
            
            this.setData({
                lists   :   lists,
                has_more:   res.data.page.has_more,
            })
            if(this.data.currentIndex == 0){
                this.onVideoPlay()
            }
        }).catch(err=>{
            wx.showToast({
              title: err.message,
              icon :'none',
              mask :true,
              duration:2000
            })
            setTimeout(()=>{
                this.setData({
                    loading:false
                })
            },3000)
        })
    },


    onTouchStart(e) {
        let { clientY } = e.changedTouches[0]
        startY = clientY
    },

    onTouchEnd(e) {
        let { clientY } = e.changedTouches[0]
        endY = clientY
        let clientXY = startY - clientY
        console.log(clientXY)
        if(clientXY>60){
            this.onIsDirection('next')
        }else if(clientXY < -60){
            this.onIsDirection('prev')
        }
    },

    onIsDirection(type){
        let {currentIndex,lists} = this.data
        if(type == 'next'){
            console.log('获取下一个')
            if(currentIndex!=lists.length-1){
                currentIndex ++
                this.setData({
                    currentIndex:currentIndex
                })
                this.onVideoPlay()
            }else{
                if(this.data.has_more){
                    this.setData({
                        page:this.data.page+1
                    })
                    this.getList()
                }else{
                    wx.showToast({
                        title: '没有更多了~',
                        icon:'none',
                        mask:true
                      })
                }
            }
            return
        }
        if(type == 'prev'){
            if(currentIndex>0){
                currentIndex --
                this.setData({
                    currentIndex:currentIndex
                })
                this.onVideoPlay()
            }else{
                wx.showToast({
                    title: '没有更多了~',
                    icon:'none',
                    mask:true
                  })
            }
            return
        }
    },

    onVideoPlay(){
        if(this.data.lists[this.data.currentIndex].type == 'video'){
            setTimeout(() => {
                this.videoContext.seek(0)
                this.videoContext.play()
                this.setData({
                    playing:true
                })
            }, 200);
        }else{
            this.videoContext.pause()
            this.videoContext.seek(0)
            this.setData({
                playing:false
            })
        }
    },
    onVideoPause(){
        if(this.data.playing){
            this.videoContext.pause()
            this.setData({
                playing:false
            })
        }else{
            this.videoContext.play()
            this.setData({
                playing:true
            })
        }
    },
    // 预览图片
    preImg(e){
        let current = e.currentTarget.dataset.idx
        console.log(current)
        let urls = e.currentTarget.dataset.urls
        wx.previewImage({
          urls,
          current:urls[current]
        })
    },
    // 收藏
    doSubscribeFavorite(e){
        let index= e.currentTarget.dataset.index
        let type = e.currentTarget.dataset.type
        let item = this.data.lists[index]
        let lists = this.data.lists
        wx.$api.found.foundSubscribeFavorite(item.id,type).then(res => {
            lists[index].is[`${type}`] = res.data.res
            lists[index].count[`${type}`]  = res.data.count
            this.setData({
                lists:lists
            })
        }).catch(err=>{
            wx.showToast({
              title: err.message,
              icon :'none',
              mask :true,
              duration:2000
            })
        })
    },
	onShareAppMessage(e){
        let {describe,id,share_cover}= e.target.dataset.obj
		return {
			title	: describe,
            imageUrl: share_cover,
            path	: "/pages/found/index?share_id=" + id + '&invite=' + wx.getStorageSync("invite")
		}
    },
})