import * as THREE from "../../../libs/three.js/build/three.module.js";
//import "../../../libs/other/hls.js";
import BasicMaterial from '../materials/BasicMaterial.js'  

import {TextSprite} from "./TextSprite.js"; 
//import DepthBasicMaterial from "../materials/DepthBasicMaterial.js";
import math from '@sdk/utils/math'  
/* import SecurityCamera from '../core/cameras/SecurityCamera'
import SecurityControls from '../core/controls/SecurityControls' */
 
import {transitions, easing, lerp} from '../utils/transitions.js'
import CursorDeal from '../utils/CursorDeal.js'
import FlvVideoPlayerBase from '../utils/media/FlvVideoPlayerBase'
import H5VideoPlayerBase from '../utils/media/H5VideoPlayerBase'

 
const planeGeometry = new THREE.PlaneGeometry(1,1)  
const testUrl = 'https://newcntv.qcloudcdn.com/asp/hls/4000/0303000a/3/default/d907ef756138493e9fe5b35b4ab69642/4000.m3u8'
 

const videoPlayer = Potree.browser.nonsupportH5Video ? new FlvVideoPlayerBase() : new H5VideoPlayerBase()
const normalColor = new THREE.Color(1, 1, 1)
const hoverColor = new THREE.Color(2, 2, 2)
const vec1 = new THREE.Vector3(),
    vec2 = new THREE.Vector3(),
    vec3 = new THREE.Vector3(),
    quat1 = new THREE.Quaternion(),
    quat2 = new THREE.Quaternion()
let cameraModel, loadingCamModel


//测试场景：  http://192.168.0.25/mix3d/#/home/671  潘少  Aa123456  http://192.168.0.25/epg.html?m=YZL-jm-lrZcWxzPaPJ#/tag


//接收4dkk的监控 暂不支持修改   可以直接加到模型上,注意所附模型旋转90度后角度才对。
export default class Monitor extends THREE.Object3D{
    constructor(data, model){
        super()
        this.isMonitor = true 
        this.external = external//全景时不换材质
        warnHls()
        
        data.video = testUrl
        
        this.data = data
        /* for(let i in data){
            this[i] = data[i]
        }  */
        
        this.fov = data.data.fov 
        this.cylinderNear = data.data.near || 0.03
        this.cylinderFar = data.data.far || 3
        
        model.add(this)
        
        
        let videoUrl = this.getVideoSrc()
        this.video = videoPlayer.getVideo(videoUrl ,this)
        if (data.video) {
            //console.error('createVideo', this.videoSrc,   this.sid)
            /* this.video.onloadedmetadata = () => {
                this.video.canPlayed = true
                this.video.masters.forEach(v => { //一个video可以对应多个camera，因为它们链接一样
                     v.dispatchEvent({ type: 'loadedmetadata' })
                })
            } */

            let canPlayed = e => {
                //this.player.$app.Camera.emit('SecurityCamera.videoActive', this.sid)
                this.videoActive = true 
                //this.updateInfo(true)
            }

            if (this.video.canPlayed) {
                canPlayed()
            } else {
                this.addEventListener('loadedmetadata', canPlayed)
            }

            if (Hls.isSupported() && data.urlType == 1) {
                //似乎Hls不支持就无法播放
                let hls = new Hls()
                hls.loadSource(videoUrl)
                hls.attachMedia(this.video)
                hls.on(Hls.Events.ERROR, (event, data) =>{ console.log('HLS加载失败', data.name, event, data)})
                this.hlsVideoPlayer = hls
            }   
            this.play() // ios需要
            this.pause()
        }        
         
        
        this.obj3d = new THREE.Group() 
        this.add(this.obj3d)
        
        
        // 投射体材质
        this.normalMat = new BasicMaterial({
            color: new THREE.Color(0x00c8af),
            transparent: true,
            opacity: 0.1,
            side: THREE.DoubleSide,
            depthTest: false,
            visible: !!data.showScope
        })  
         
        
        // 监控视频材质
        this.videoMat = new BasicMaterial({
            map: new THREE.VideoTexture(this.video),
            side: THREE.DoubleSide,
            depthTest: false,
            transparent: true, 
            
        })
        // 摄像头
        if (!cameraModel) {
            if(!loadingCamModel){
                loadingCamModel = true
                viewer.loadModel({fileType:'glb', url:`${Potree.resourcePath}/models/glb/monitor.glb`},(model)=>{
                    cameraModel = model.children[0].children[0] 
                    cameraModel.geometry.translate(30, 50, -10)
                    cameraModel.quaternion.setFromEuler(new THREE.Euler(Math.PI / 2+0.24, Math.PI, 0))
                    cameraModel.name = 'cameraModel' 
                    console.log('load monitor glb', cameraModel.uuid)
                    model.parent.remove(model) 
                    viewer.scene.monitors.forEach(e=>e.modelLoaded()) 
                    loadingCamModel = false
                })
            }
        }else{ 
            this.modelLoaded()
        }
        this.updateAspect()
        
        if(data.showTitle){ 
            let group = new THREE.Shim.FollowRootObject(this) //透明有问题，只有放到overlayScene里渲染了 （大小好像还是跟随模型了
            
            this.titleLabel = new TextSprite({
                text: data.name,
                backgroundColor: { r: 255, g: 255, b: 255, a: 0 },
                textColor: { r: 255, g: 255, b: 255, a: 1 },
                textshadowColor: '#666',  
                borderRadius: 2,
                fontsize: 34,
                renderOrder: 5,
                margin: { x: 12, y: 10 },  
                sizeInfo: { scale: 0.4, nearBound: 3 },
            })
            this.titleLabel.sprite.material.depthTest = this.titleLabel.sprite.material.depthWrite = true
            this.titleLabel.position.set(0, -0.2, 0.1)
            group.add(this.titleLabel)
            viewer.scene.overlayScene.add(group)
            group.name = 'monitorLabel'
            
            
            
            this.addEventListener('isVisible',()=>{
                Potree.Utils.updateVisible(group,'follow',this.realVisible()) 
            })
            this.parent.addEventListener('isVisible',()=>{
                Potree.Utils.updateVisible(group,'follow',this.realVisible()) 
            })
        }
        
        
        { 
            this.posOri = new THREE.Vector3(parseFloat(data.data['posOri-x']), parseFloat(data.data['posOri-y']), parseFloat(data.data['posOri-z'])),
            this.posOffset = new THREE.Vector3(parseFloat(data.data['posOffset-x']), parseFloat(data.data['posOffset-y']), parseFloat(data.data['posOffset-z'])),
            
            // data.position && this.position.copy(data.position)
            this.position.copy(this.posOri).add(this.posOffset) 
            this.position.copy(Potree.Utils.tran4dkkVecInModel(this.position, model))
 
            // target的优先级大于rotation
            if (data.data.target) {
                this.target = Potree.Utils.tran4dkkVecInModel(data.data.target, model) 
                this.lookAt(data.data.target)
            } else {
                data.data.rotation && this.quaternion.setFromEuler(data.data.rotation)
                this.target = new THREE.Vector3(0, 0, -1).applyQuaternion(this.quaternion).add(this.position)
            }
            
            
            
            this.roll = 0
           
            
            data.data.pitch && (this.pitch = data.data.pitch)
            data.data.yaw && (this.yaw = data.data.yaw)
            data.data.roll && this.setRoll(this.data.data.roll)
            
            if(model.props.baseRotation?.x == 0){ //该模型已经矫正，无需旋转90度，但是场景的数据需要，导致monitor和模型不匹配，需要再旋转
                this.quaternion.copy(Potree.math.convertQuaternion.YupToZup(this.quaternion))
            }
            
        }

        
        //this.updateInfo(true)
        
        
        
        this.events = {
            setSize: (width, height) => {
                if (this.isWatching) {
                    this.updateAspect()
                }
            },
            update: ()=>{
                if(!this.video.paused){
                    viewer.dispatchEvent('content_changed')
                }
            }
            
        } 
        viewer.addEventListener('viewerResize', this.events.setSize   )
        viewer.addEventListener('update', this.events.update   )
        
        window.monitor = this
        Potree.Utils.setObjectLayers(this,'dontIntersect')
        Potree.Utils.setObjectLayers(this.cylinder.bottom,'monitor')
        this.cameraModel && Potree.Utils.setObjectLayers(this.cameraModel,'sceneObjects')
    }
    
    getVideoSrc(){ 
        if(this.data.urlType === 2){
            let a = this.parent.props.raw.surveillancePath.split('/');      //用户上传的文件
            a.pop()
            return a.join('/') + '/' + this.data.fileName
        }else{
            return this.data.playUrl
        } 
    }
    
    modelLoaded(){ 
        this.cameraModel = cameraModel.clone()
        this.cameraModel.material = cameraModel.material.clone()
        this.obj3d.add(this.cameraModel)
        
        
        
        this.cameraModel.addEventListener('mouseover',()=>{
            CursorDeal.add('hoverMonitor')
            this.highlight(true)
        })    
        this.cameraModel.addEventListener('mouseleave',()=>{
            CursorDeal.remove('hoverMonitor')
            this.highlight(false)
        })
        
        this.cameraModel.addEventListener('click',()=>{
            if(viewer.scene.monitors.some(e=>e.isWatching))return
            this.watch()
        }) 
    }
    
    
    watch(){ 
    
        if (!this.videoActive){
            console.log('monitorError src:', this.video.src)
            return  viewer.dispatchEvent('monitorError'  )
        }  

    
    
        let camera = viewer.mainViewport.camera
        this.updateAspect()
        this.isWatching = true
        //this.target.set(0, 0, -1).applyQuaternion(this.quaternion).add(this.position)
        viewer.mainViewport.view.cancelFlying()
        this.oldState = {
            fov: camera.fov,
            position: camera.position.clone(),
            quaternion: camera.quaternion.clone()
        }
        this.data.showScope && this.showVideo(true)
        this.video.pause()//先显示出画面
        setTimeout(()=>{
            this.data.showScope || this.showVideo(true)
            viewer.mainViewport.cameraLayers = ['monitor'] //hide others 
            viewer.scene.monitors.forEach(e=>Potree.Utils.updateVisible(e,'watch', e == this  ))
        },800)
        viewer.mainViewport.view.setRotMode('free')
        viewer.mainViewport.view.setView({
            position: this.getWorldPosition(new THREE.Vector3),
            quaternion: this.getWorldQuaternion(new THREE.Quaternion),
            onUpdate:(percent)=>{
                camera.fov = this.fov * percent + this.oldState.fov * (1-percent)
                camera.updateProjectionMatrix()  
            },
            callback:()=>{
                this.video.play()
                viewer.dispatchEvent({type:'watchMonitor',monitor:this})
            },
            duration:1500
        })
        
        viewer.renderArea.style['pointer-events'] = 'none'; 
    }
    
        
    leave(){// 停止观看监控
        let camera = viewer.mainViewport.camera
        
        this.isWatching = false
        this.cameraModel.material.color.copy(normalColor)
        viewer.mainViewport.view.cancelFlying()
        viewer.mainViewport.cameraLayers = null
        viewer.scene.monitors.forEach(e=>Potree.Utils.updateVisible(e,'watch', true  ))
        this.data.showScope || this.showVideo(false)
        this.video.pause()
        viewer.mainViewport.view.setView({
            position: this.oldState.position,
            quaternion: this.oldState.quaternion,
            
            onUpdate:(percent)=>{ 
                camera.fov = this.fov * (1-percent) + this.oldState.fov * percent
                camera.updateProjectionMatrix()
            },
            callback:()=>{
                viewer.renderArea.style['pointer-events'] = ''; 
                this.data.showScope && this.showVideo(false)
                viewer.mainViewport.view.setRotMode('standard')  
            },
            duration:1000
        })
        viewer.dispatchEvent({type:'exitWatchMonitor',monitor:this})
    }
    
    
    
    // 显示监控视频或显示投射体
    showVideo(isShow) {
        //console.warn('showVideo', this.info.sid, isShow )
         
        if (!this.videoActive) return  

        if (isShow) {
            /* if (browser.detectIOS()) {
                this.player.domElement.addEventListener('touchstart', this.events.onDomElementTouchStart, true)
            } */ 
            this.play()
            this.normalMat.opacity = 0
            Potree.Utils.updateVisible(this.cylinder, 'watch', true, 1, 'add')
            this.cylinder.bottom.material = this.videoMat 
            //this.cylinder.bottom.renderOrder = RenderOrder.monitorPlane
        } else {
            this.pause()
            this.normalMat.opacity = 0.08
            Potree.Utils.updateVisible(this.cylinder, 'watch', false, 1, 'cancel')
            this.cylinder.bottom.material = this.normalMat 
            //this.cylinder.bottom.renderOrder = RenderOrder.visibleFloor
        }
        
    }
    

    play() {
        //console.log('play monitor', this.sid, this.videoSrc)
        this.shouldPlay = true
        if (Potree.browser.detectWeixin()) {
            //用微信平台的 WeixinJSBridge 越过 Autoplay Policy
            try {
                top.WeixinJSBridge &&
                    top.WeixinJSBridge.invoke(
                        'getNetworkType',
                        {},
                        e => {
                            this.video.play()
                        },
                        false
                    )
            } catch (error) {
                this.video.play()
            }
        } else {
            this.video.play()
            if (this.video.paused) {
                console.log('播放不了')
                /* this.player.once('pointerStart', () => { 
                    this.play()
                }) */
            }
        }
    }

    pause() {
        this.shouldPlay = false
        this.video.pause()
    }

    
    
    
    
    
    
    
    dispose(){
        
        let index = viewer.scene.monitors.indexOf(this)
        if(index == -1)return 
        viewer.scene.monitors.splice(index,1)
        
        viewer.removeEventListener("viewerResize", this.events.setSize ) 
        viewer.removeEventListener("update", this.events.update ) 
         
        transitions.cancelById('cameraHighlight_' + this.sid)
        /* this.tag.geometry.dispose()
        this.tag.material.dispose()
        this.cylinder.line.geometry.dispose()
        this.cylinder.line.material.dispose()
        this.cylinder.geometry.dispose() */
        viewer.removeModel(this)
        this.normalMat.dispose()
        this.videoMat.dispose()

        
        this.titleLabel?.dispose()
        
        this.hlsVideoPlayer && this.hlsVideoPlayer.destroy()
        
        
    
    }
    
    
    highlight(state) {//相机hover高亮
        if (this.hightlighted == state) return
        this.hightlighted = state

        transitions.cancelById('cameraHighlight_' + this.sid)

        transitions.start(lerp.color(this.cameraModel.material.color, state ? hoverColor : normalColor), 100, null, null, null, null, 'cameraHighlight_' + this.sid)
    }
    
    
 
 
 
 
    updateAspect() {
        //更新aspect且修改geometry
        let aspect = viewer.mainViewport.camera.aspect
        if (aspect != this.aspect) {
            this.aspect = aspect
            this.updateMesh()
        }
    }

 
 
 
 
 
 
 
    updateMesh() { 
         
        let nearHeight, nearWidth, farHeight, farWidth
        nearHeight = Math.tan(THREE.MathUtils.degToRad(this.fov / 2)) * this.cylinderNear
        nearWidth = nearHeight * this.aspect        //根据canvas比例调整视频面的比例，保持和canvas一致。
        farHeight = Math.tan(THREE.MathUtils.degToRad(this.fov / 2)) * this.cylinderFar
        farWidth = farHeight * this.aspect
        let firstBuild = !this.cylinder
        if(this.data.showScope){
            // 投射体（底面以外）
            let vertices = [],
                bottomVertices = []
            vertices.push(-nearWidth, nearHeight, -this.cylinderNear)
            vertices.push(nearWidth, nearHeight, -this.cylinderNear)
            vertices.push(nearWidth, -nearHeight, -this.cylinderNear)
            vertices.push(-nearWidth, -nearHeight, -this.cylinderNear)
            bottomVertices.push(-farWidth, farHeight, -this.cylinderFar)
            bottomVertices.push(farWidth, farHeight, -this.cylinderFar)
            bottomVertices.push(farWidth, -farHeight, -this.cylinderFar)
            bottomVertices.push(-farWidth, -farHeight, -this.cylinderFar)
            vertices = vertices.concat(bottomVertices)
          
            if (firstBuild) {
                let uvs = []
                uvs.push(0, 1, 1, 1, 1, 0, 0, 0)
                uvs.push(0, 1, 1, 1, 1, 0, 0, 0)

                let indexs = []
                indexs.push(0, 1, 3, 2, 3, 1)
                indexs.push(0, 1, 4, 5, 4, 1)
                indexs.push(1, 2, 5, 6, 5, 2)
                indexs.push(2, 3, 6, 7, 6, 3)
                indexs.push(3, 0, 7, 4, 7, 0)
                // indexs.push(4, 7, 5, 6, 5, 7)
                let cylinderGeo = new THREE.BufferGeometry()
                cylinderGeo.setAttribute('uv', new THREE.BufferAttribute(new Float32Array(uvs), 2))
                cylinderGeo.setIndex(new THREE.BufferAttribute(new Uint16Array(indexs), 1))
                this.cylinder = new THREE.Mesh(cylinderGeo, this.normalMat) 
                //if (this.control.player.$app.config.mobile) this.cylinder.rotateZ(-Math.PI / 2)       //用户自己旋转屏幕吧
                this.obj3d.add(this.cylinder)
            }
            this.cylinder.geometry.setAttribute('position', new THREE.BufferAttribute(new Float32Array(vertices), 3))
        }else if(!this.cylinder){
            this.cylinder = new THREE.Group() 
            this.obj3d.add(this.cylinder)
        }
        // 投射体底面 （视频）
        const bottomGeo = new THREE.PlaneGeometry(farWidth * 2, farHeight * 2)
        if (firstBuild) {
            this.cylinder.bottom = new THREE.Mesh(bottomGeo, this.normalMat)
            this.cylinder.add(this.cylinder.bottom)
        } else {
            this.cylinder.bottom.geometry.dispose()
            this.cylinder.bottom.geometry = bottomGeo
        }
        this.cylinder.bottom.position.set(0, 0, this.cylinderNear - this.cylinderFar)

        if(this.data.showScope){
            // 投射体线框
            if (firstBuild) {
                this.cylinder.line = new THREE.LineSegments(new THREE.EdgesGeometry(this.cylinder.geometry), new THREE.LineBasicMaterial({ color: 0xffffff, opacity: 0.6, transparent: true }))
                this.cylinder.add(this.cylinder.line)
            } else {
                this.cylinder.line.geometry.dispose()
                this.cylinder.line.geometry = new THREE.EdgesGeometry(this.cylinder.geometry)
            }
        }
    }

    
    set pitch(pitch) {
        pitch = Math.min(Math.max(pitch, -89.9), 89.9) // 防止万向锁

        let yaw =  this.yaw < 0 ? this.yaw + 360 : this.yaw  
        let upDir = vec1.set(0, 1, 0)
        let rightDir = vec2.set(1, 0, 0) //.applyQuaternion(this.quaternion)
        let yawQuat = quat1.setFromAxisAngle(upDir, THREE.MathUtils.degToRad(yaw))
        let pitchQuat = quat2.setFromAxisAngle(rightDir, THREE.MathUtils.degToRad(pitch))
        this.quaternion.multiplyQuaternions(yawQuat, pitchQuat)

        //this.updateTarget()
    }
    

    set yaw(yaw) {
        let pitch = this.pitch // 要先计算pitch，防止窜数据
        let upDir = vec1.set(0, 1, 0)
        let rightDir = vec2.set(1, 0, 0)
        let yawQuat = quat1.setFromAxisAngle(upDir, THREE.MathUtils.degToRad(yaw))
        let pitchQuat = quat2.setFromAxisAngle(rightDir, THREE.MathUtils.degToRad(pitch))
        this.quaternion.multiplyQuaternions(yawQuat, pitchQuat)

        //this.updateTarget()
    }
    
    // 横滚角
    setRoll(angle) {//因加在子物体上，非0时播放视频是歪的（4dkk也这样）
        this.roll = angle % 360
        this.obj3d.quaternion.setFromAxisAngle(vec1.set(0, 0, -1) , THREE.MathUtils.degToRad(angle))
    }
    get pitch() {// 上下转角
        return this.data.data.pitch //xzw改
        let lookAt = vec1.copy(this.cylinder.bottom.position).applyQuaternion(this.quaternion)
        let projectVec = vec2.copy(lookAt).projectOnPlane(vec3.set(0, 1, 0))
        let pitch = THREE.MathUtils.radToDeg(lookAt.angleTo(projectVec) * Math.sign(lookAt.y)) % 180
        if (pitch > 90) pitch = 90 - pitch

        return pitch
    } 

    get yaw() {// 左右转角  
        return this.data.data.yaw //xzw改  原先的计算不对，0变180
        let lookAt = vec1.copy(this.cylinder.bottom.position).applyQuaternion(this.quaternion)
        let lookAtXZ = lookAt.setY(0)
        let frontDir = vec2.set(0, 0, 1)
        let frontCross = vec3.set(1, 0, 0)
        let angle = (THREE.MathUtils.radToDeg(lookAtXZ.angleTo(frontDir) * Math.sign(lookAtXZ.dot(frontCross))) + 180) % 360
        if (angle > 180) angle = angle - 360

        return angle
    } 
    
}



function warnHls(){
    if (!window.Hls) {  
        console.error('没加载Hls.js文件！')  
    } 
    if (!window.Hls?.isSupported()) { //在融合页面导入hls文件
        console.error('Hls is not Supported,  部分监控视频可能不支持') //iphoneX不支持 小米Civi 1S支持。
    } 
}



/* 


viewer.addMonitor(undefined, viewer.objs.children[0])
viewer.scene.monitors[0].leave() 

 */