<template>
	<div>
		<video
			id="video"
			loop="true"
			:autoplay="autoPlay"
			:src="url"
			:danmu-list="danmuList"
			enable-danmu="true"
			danmu-btn="true"
			:style="{ width: screenWidth }"
			:poster="poster"
			@fullscreenchange="setFullScreenStatus"
			@timeupdate="timeUpdate"
		>
		</video>
		<div class="video-process-bar" :style="{'background-color':processBarColor,width:processBarWidth}"></div>
	</div>
</template>
<script>
export default {
	props: {
		autoPlay:{
			type:Boolean,
			default:true
		},
		url: {
			type: String,
			default: ''
		},
		poster: {
			type: String,
			default: ''
		},
		danmuList: {
			type: Array,
			default: []
		},
		showBackBtn:{
			type:Boolean,
			default:false
		},
		showDownloadBtn:{
			type:Boolean,
			default:true
		},
		processBarColor:{
			type:String,
		}
	},
	data() {
		return {
			screenWidth: 750,
			isFullScreen: false,
			isDownloading: false,
			downloadTask: null,
			progressValue:0,
			processBarWidth:0,
		};
	},
	created() {
		this.screenWidth = uni.getSystemInfoSync().windowWidth;
	},
	methods: {
		showToast(title) {
			uni.showToast({
				title: title,
				icon: 'none'
			})
		},
		downLoadFile(url) {
			var that=this;
			that.showToast('开始下载');
			that.downloadTask = uni.downloadFile({
				url: url,
				success: (res) => {
					if (res.statusCode === 200) {
						console.log(res.tempFilePath)
						var tempFilePath=res.tempFilePath;
						uni.saveFile({
							tempFilePath:tempFilePath,
							success(res) {
								console.log(res.savedFilePath)
								that.showToast('下载成功,文件已保存到'+res.savedFilePath);
							},fail() {
								that.showToast('下载失败，请稍后重试');
							}
						})
					} else {
						that.showToast('下载失败');
					}
				},
				complete:()=>{
					that.isDownloading=false;
				}
			})
		},
		download(url) {
			var that=this;
			that.progressValue=0;
			if (!that.isDownloading) {
				that.isDownloading = true;
				that.downLoadFile( url);
				that.downloadTask.onProgressUpdate(res => {
					that.progressValue=res.progress;
				});
			}else{
				if(that.downloadTask!=null){
					that.downloadTask.abort();
					that.isDownloading=false;
					that.showToast('取消下载');
				}
			}
		},
		timeUpdate(e){
			this.processBarWidth=(e.detail.currentTime/e.detail.duration)*this.screenWidth;
		},
		setFullScreenStatus(e) {
			if (e.detail.direction == 'horizontal') {
				this.isFullScreen = true;
			} else {
				this.isFullScreen = false;
			}
		},
		back() {
			uni.navigateBack();
		}
	}
};
</script>
<style lang="scss">
.back-button {
	width: 30px;
	height: 30px;
	align-items: center;
	justify-content: center;
	opacity: 0.8;
	margin-top: 25px;
	margin-left: 15px;
	border-radius: 50%;
	background-color: rgba($color: #000000, $alpha: 0.8);
}
.back-icon {
	width: 20px;
	height: 20px;
}
.download-button {
	position: absolute;
	top: 90px;
	right: 15px;
	width: 30px;
	height: 30px;
	align-items: center;
	justify-content: center;
	opacity: 0.8;
	border-radius: 50%;
	background-color: rgba($color: #000000, $alpha: 0.8);
}
.process-text {
	color: #fff;
	font-size: 10px;
}
.video-process-bar{
	height: 2px;
}
.download-icon-horizontal{
	position: absolute;
	right: 30px;
	width: 30px;
	height: 30px;
	align-items: center;
	justify-content: center;
	opacity: 0.8;
	border-radius: 50%;
	background-color: rgba($color: #000000, $alpha: 0.8);
}
.process-text-horizontal {
	color: #fff;
	font-size: 5px;
}
</style>
