const recorderManager = wx.getRecorderManager()
const app = getApp()

Page({

    /**
     * 页面的初始数据
     */
    data: {
        src: '', //拍照后的缓存路径
        tmpThumbPath: '',
        tmpVideoPath: '',
        tmpRecordPath: '',
        position: 'back',
        mode: 'normal',
        flash: 'auto',
        type: 1, //类型： 1-拍照 2-录像 3-录音
        doing: false, //正在录制
        autoTime: '00:00', //录像倒计时
        maxHeight: 600, //预览的高度
    },

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

        // 加载摄像头
        this.ctx = wx.createCameraContext();

        this.setData({
            type: options.type,
            maxHeight: app.globalData.wxWindowHeight,
        })

        this.timeSchudle = null

    },

    /**
     * 用户不允许使用摄像头时
     */
    error(e) {
        console.log(e.detail)
    },

    /**
     * 拍照
     */
    takePhoto() {
        this.ctx.takePhoto({
            quality: 'high',
            success: (res) => {
                this.setData({
                        src: res.tempImagePath
                    }),

                    this.reback(1)
            }
        })
    },

    /**
     * 开始录像
     */
    takeVideo() {
       
        this.ctx.startRecord({
            success: () => {
                this.setData({
                    doing: true,
                    tmpThumbPath: '',
                    tmpVideoPath: '',
                })
                console.log('startRecord ' + this.data.doing)

                //开始倒计时30秒
                var endT = (new Date()).getTime()
                this.countTime((endT + 30 * 1000), endT)

            },
            timeoutCallback: (res) => {
                this.setData({
                    doing: false,
                    tmpThumbPath: res.tempThumbPath,
                    tmpVideoPath: res.tempVideoPath,
                })

                this.reback(2)

                console.log('startRecord ' + this.data.doing)
                console.log('timeout callback ' + res.tempThumbPath)
                console.log('timeout callback ' + res.tempVideoPath)
            }
        })
    },

    
    /**
     * 结束录像
     */
    stopVideo() {
        this.ctx.stopRecord({
            success: (res) => {
                this.setData({
                        doing: false,
                        tmpThumbPath: res.tempThumbPath,
                        tmpVideoPath: res.tempVideoPath,
                    }),

                    this.reback(2)

            }
        })
    },

    /**
     * 开始录音
     */
    takeRecord() {

        recorderManager.onStart(() => {
            console.log('recorder start')
        })
        recorderManager.onPause(() => {
            console.log('recorder pause')
        })
        recorderManager.onStop((res) => {
            console.log('recorder stop', res)
            const {
                tempFilePath
            } = res
            this.setData({
                doing: false,
                tmpRecordPath: res.tempFilePath,
            })

            this.reback(3)
            // this.data.doing = false
            // this.data.tmpRecordPath = res.tempFilePath
        })
        recorderManager.onFrameRecorded((res) => {
            const {
                frameBuffer
            } = res
            console.log('frameBuffer.byteLength', frameBuffer.byteLength)
        })

        const options = {
            duration: 10000,
            sampleRate: 44100,
            numberOfChannels: 1,
            encodeBitRate: 192000,
            format: 'aac',
            frameSize: 50
        }

        recorderManager.start(options)

        this.setData({
            doing: true,
        })

    },

    stopRecord() {
        this.setData({
            doing: false,
        })
        recorderManager.stop();

        // this.rdm.onStop((res) => {
        //   console.log('record stop ... ' + res.tempFilePath);
        //   this.doing = false;
        //   this.tmpRecordPath = res.tempFilePath;

        //   console.log("path => " + this.tmpRecordPath)
        //   // this.reback(3);
        // });    
        // this.reback(3)


    },

    /**
     * 拍照成功后返回到上一页
     */
    reback(status) {
        var pages = getCurrentPages();
        var currPage = pages[pages.length - 1]; //当前页
        var prevPage = pages[pages.length - 2]; //上一页
        
        if (status == 1) {
            prevPage.setData({
                tmpPhotoPath: this.data.src,
            })

        } else if (status == 2) {
            prevPage.setData({
                tmpThumbPath: this.data.tmpThumbPath,
                tmpVideoPath: this.data.tmpVideoPath
            })
        } else if (status == 3) {
            console.log('333333');
            prevPage.setData({
                tmpRecordPath: this.data.tmpRecordPath
            })
        }

        clearTimeout(this.timeSchudle)
        
        // 返回
        wx.navigateBack({
            delta: 1
        })
    },

    /**
     * 倒计时方法
     */
    countTime: function (endT, curT) {
        console.log(endT)
        console.log(curT)
        var t = Math.floor((endT - curT) / 1000)
        if (t <= 0) {
            this.setData({
                autoTime: '00:00'
            })
            return
        }

        if (t < 10) {
            t = '0' + t
        }
        this.setData({
            autoTime: '00:' + t
        })

        var that = this
        this.timeSchudle = setTimeout(function () {

            that.countTime(endT, (new Date()).getTime())

        }, 1000)

    },


})