<template>
	<view>
		<!-- 公共组件-每个页面必须引入 -->
		<public-module></public-module>
		<z-nav-bar :title="chapter.detail.id ? chapter.detail.title : '课程详情'"></z-nav-bar>
		<view class="box">
			<view class="topImg" v-if="chapter.detail.imgUrl != ''">
				<image :src="chapter.detail.imgUrl" mode="widthFix"></image>
			</view>
			
			<view class="sourcesList" v-if="chapter.videos.length > 0">
				<scroll-view class="scroll-view_H" scroll-x="true" scroll-left="120">
					<view class="scroll-view-item_H item" v-for="(item, index) in chapter.videos" :key="index">
						<!-- .mp3 -->
						<view class="" v-if="item.type == 2">
							<audio style="text-align: left" :src="current.src" :poster="current.poster" :name="current.name" :author="current.author" :action="audioAction" controls></audio>
							
						</view>
						<view class="" v-if="item.type == 1">
							<video id="myVideo" src="https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/2minute-demo.mp4"
								                     enable-danmu danmu-btn controls></video>
							
						</view>
						</view>					
				</scroll-view>
			</view>
			
			
		</view>
		<view class="imgcontainer">	
			<u-tabs :class="['tabList']" @click="" :current="curTagId"
				:activeStyle="activeStyle" :scrollable="scrollable" :list="tabList"
				itemStyle="padding-left: 15px;   padding-right: 15px; height: 50px;"></u-tabs>
		</view>
		<view class="box">
			<rich-text v-if="chapter.detail.content" class="content"
				:nodes="formatRichText(chapter.detail.content)"></rich-text>
		</view>
		<u-back-top :scroll-top="scrollTop" bottom="150" :customStyle='bgiStyle' :iconStyle="iconStyle"></u-back-top>
		<!-- <music-play :playData="playData"></music-play> -->
		<z-navigation></z-navigation>
	</view>
</template>

<script>
	// import musicPlay from '@/components/music.vue'
	import $http from '@/config/requestConfig.js';
	var clear;
	import {
		mapState
	} from 'vuex';
	export default {
		data() {
			return {
				playData: {},
				scrollable:false,
				current: {
								poster: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/music-a.png',
								name: '致爱丽丝',
								author: '暂无',
								src: 'https://web-ext-storage.dcloud.net.cn/uni-app/ForElise.mp3',
							},
							audioAction: {
								method: 'pause'
							},
							activeStyle: {
								color: '#333',
								fontWeight: 'bold',
								transform: 'scale(1.2)',
								// backgroundColor: '#258feb'
							
							},
				chapter: {
					detail: {}, // type:0. 不加密 //1. mp4 2. mp3 
					videos: []
				},
				bgiStyle: {
					background: '#fff'
				},
				curTagId:1,
				iconStyle: {
					fontSize: '40rpx',
					fontWeight: 'bold',
					color: '#258feb',
				},
				tabList:[
					{id:1, name:"章节介绍"},{id:3, name:"本节作业"},{id:2, name:"评论"}
				],
				scrollTop: 0,
				courseId: null,
				catalogueId: null,
				chapterId: null,
				
			};
		},
		//第一次加载
		onLoad(e) {
			// 隐藏原生的tabbar
			uni.hideTabBar();
			// this.newsId = e.newsId
			this.courseId = e.courseId
			this.catalogueId = e.catalogueId
			this.chapterId = e.chapterId
			console.log(e, '------')
		},
		computed: {
			...mapState(['userInfo'])
		},
		//页面显示
		onShow() {
			// 隐藏原生的tabbar
			uni.hideTabBar();
			this.getData();

		},
		onPullDownRefresh() {
			uni.stopPullDownRefresh()
		},
		components: {
			// musicPlay
		},
		//方法
		methods: {			
			onPageScroll(e) {
				this.scrollTop = e.scrollTop;				
			},
			getData() {

				$http.request({
					url: `sociology/course/getCourseCatalogueChapterDetail`,
					method: "POST", // POST、GET、PUT、DELETE，具体说明查看官方文档
					data: {
						id: this.chapterId
					},
					header: { //默认 无 说明：请求头
						'Content-Type': 'application/json'
					},
				}).then(res => {
					if (res.code == 0) {
						this.chapter = res.data
					}
				}).catch(e => {
					console.log(e, '获取新闻详情报错')
				});

			},
			formatRichText(html) { //控制图片大小
				let newContent = html.replace(/<img[^>]*>/gi, function(match, capture) {
					match = match.replace(/style="[^"]+"/gi, '').replace(/style='[^']+'/gi, '');
					match = match.replace(/width="[^"]+"/gi, '').replace(/width='[^']+'/gi, '');
					match = match.replace(/height="[^"]+"/gi, '').replace(/height='[^']+'/gi, '');
					return match;
				});
				newContent = newContent.replace(/style="[^"]+"/gi, function(match, capture) {
					match = match.replace(/width:[^;]+;/gi, 'max-width:100%;').replace(/width:[^;]+;/gi,
						'max-width:100%;');
					return match;
				});
				// newContent = newContent.replace(/<img[^>]*>/gi, function(match, capture) {
				// 	match = match.replace(/<img[^>]*>/gi, "@click='1111'").replace(/<img[^>]*>/gi, "@click='1111'");
				// 	return match;
				// });
				newContent = newContent.replace(/<br[^>]*\/>/gi, '');
				newContent = newContent.replace(/\<img/gi,
					'<img style="max-width:100%;height:auto;display:inline-block;margin:10rpx auto;"');
				return newContent;
			},
		},
	};
</script>
<style lang="scss" scoped>
	@import '@/style/mixin.scss';
	.imgcontainer {
		background-color: $imgBg;
	}
	.scroll-view_H {
		white-space: nowrap;
		width: 100%;
	}

	.scroll-view-item_H {
		display: inline-block;
		// width: 100%;
		// height: 300rpx;
		line-height: 300rpx;
		text-align: center;
		font-size: 36rpx;
	}

	.box {
		background-color: #fff;
		@include pleft_right(10px);
		min-height: calc(100vh - 270rpx);
	}

	.title {
		font-size: 32rpx;
		font-weight: bold;
		display: block;
		text-align: center;
	}

	.content {
		font-size: 26rpx;
		line-height: 48rpx;
		margin-top: 10rpx;
	}
</style>