<template>
	<view class="main">
		<view class="toptitle">
			<view class="toptitle_left" @click="ht">
				<u-icon name="arrow-left" color="#fff" size="20"></u-icon>
			</view>
			<view class="toptitle_title">
				培训详情
			</view>
		</view>
		<view class="" style="padding: 10px;background-color: #fff;border-radius: 5px;margin-bottom: 15px;">
			<u-subsection :list="list" fontSize="14" activeColor="#0052D8" :current="current" @change='change'></u-subsection>
		</view>
		
		<view class="box" v-if="current == 0">
			<view class="tips">
				<view class="tip">
				</view>
				<view class="tiptitle">
					基础资料
				</view>
			</view>
			<view class="box_item">
				<view class="f1">培训名</view>
				<view class="f2">{{info.sbmc}}</view>
			</view>
			<view class="box_item" style="display: flex;flex-direction: column;align-items: flex-start;">
				<view class="f1" style="margin-bottom: 15px;">培训简介</view>
				<view class="f2" v-html="info.jj"></view>
			</view>
			<view class="box_item" style="display: flex;flex-direction: column;align-items: flex-start;">
				<view class="f1" style="margin-bottom: 15px;">培训视频</view>
				<view v-if="videoList.length === 0" class="f2">暂无视频</view>
				<view v-else style="width: 100%;">
					<view v-for="item in videoList" :key="item.url" style="margin-bottom: 16px;">
						<video :src="fullUrl(item.url)" controls style="width: 100%; height: 200px;"></video>
						<!-- <view class="f2" style="margin-top: 8px;">{{item.name}}</view> -->
					</view>
				</view>
			</view>
		</view>
		<view class="box1" v-if="current == 1">
			<view class="tips">
				<view class="tip">
				</view>
				<view class="tiptitle">
					相关资料
				</view>
			</view>
			<view class="box_item1" v-for="item in filteredFj1">
				<view class="left">
					<view class="left_image">
						<image v-if="item.type == 'pdf'" src='../../../static/PDF.png' mode=""></image>
						<image v-if="item.type == 'doc' || item.type == 'docx'" src='../../../static/WORD.png' mode=""></image>
						<image v-if="item.type == 'xlsx' || item.type == 'xls'" src='../../../static/WORD.png' mode=""></image>
						<image v-if="item.type == 'png' || item.type == 'jpg' || item.type == 'jpeg'" src='../../../static/img/picture.png' mode=""></image>
						<u-icon v-if="isVideoType(item.type)" name="play-circle-fill" color="#0052D8" size="40"></u-icon>
					</view>
					<view class="l_title">
						<view class="l_title_f1">
							{{item.name}}
						</view>
						<view class="l_title_f2">
							2024-11-13 12:09:21
						</view>
					</view>
				</view>
				<view class="right" @click="ylwj(item.url,item.type)">
					<u-button size="small" type="primary" text="查看"></u-button>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				list: ['基础资料', '相关资料'],
				current: 0,
				info:{}
			}
		},
		computed: {
			videoList() {
				const videos = ['mp4','mov','avi','wmv','mkv','webm','mpeg'];
				return Array.isArray(this.info.fj1) ? this.info.fj1.filter(it => videos.includes((it.type || '').toLowerCase())) : [];
			},
			filteredFj1() {
				const allowed = ['pdf','doc','docx','xls','xlsx','png','jpg','jpeg'];
				return Array.isArray(this.info.fj1) ? this.info.fj1.filter(it => allowed.includes((it.type || '').toLowerCase())) : [];
			}
		},
		onLoad() {
			var info = JSON.parse(uni.getStorageSync("detail") || '{}')
			if (!info || !info.id) {
				uni.showToast({ title: '缺少培训信息', icon: 'none' })
				setTimeout(() => uni.navigateBack(), 1500)
				return
			}
			this.pxzsxqs(info)
		},
		methods: {
			pxzsxqs(data){
				this.API.pxzsxq({ id: data.id }).then(res=>{
					if (res && res.data) {
						if(res.data.fj1 && res.data.fj1.length > 0){
							for(let i = 0;i < res.data.fj1.length;i++)(
								res.data.fj1[i].type = res.data.fj1[i].url.substring(res.data.fj1[i].url.lastIndexOf('.') + 1)
							)
						}
						this.info = res.data
					}
				}).catch(err => {
					uni.showToast({ title: err.msg || err.message || '无权限查看或加载失败', icon: 'none' })
					setTimeout(() => uni.navigateBack(), 1500)
				})
			},
			change(e){
				this.current = e
			},
			ht(){
				uni.navigateBack({
				    delta: 1
				});
			},
			cktp() {
				uni.previewImage({
					urls: ["http://115.29.210.249/tggPic/content/2021-09/1630475389708.jpg"], //需要预览的图片http链接列表，多张的时候，url直接写在后面就行了
					current: '', // 当前显示图片的http链接，默认是第一个
				})
			},
			fullUrl(url){
				return 'https://hhjj.antissoft.com' + url;
			},
			// 判断是否为视频类型
			isVideoType(type) {
				const videoTypes = ['mp4', 'mov', 'avi', 'wmv', 'mkv', 'webm', 'mpeg', 'mpg', 'flv', '3gp'];
				return videoTypes.includes((type || '').toLowerCase());
			},
			// 判断是否为图片类型
			isImageType(type) {
				const imageTypes = ['png', 'jpg', 'jpeg', 'gif', 'bmp', 'webp'];
				return imageTypes.includes((type || '').toLowerCase());
			},
			// 判断是否为PDF类型
			isPdfType(type) {
				return (type || '').toLowerCase() === 'pdf';
			},
			// 统一文件预览方法（在线预览，不支持下载）
			ylwj(url, type) {
				const fileUrl = 'https://hhjj.antissoft.com' + url;
				const fileType = (type || '').toLowerCase();
				
				// 图片预览
				if (this.isImageType(fileType)) {
					uni.previewImage({
						current: 0,
						urls: [fileUrl]
					});
					return;
				}
				
				// PDF预览
				if (this.isPdfType(fileType)) {
					uni.setStorageSync('wjurl', fileUrl);
					uni.navigateTo({
						url: '/pages/pdf/pdf'
					});
					return;
				}
				
				// 视频预览
				if (this.isVideoType(fileType)) {
					uni.setStorageSync('videoUrl', fileUrl);
					uni.setStorageSync('videoName', '视频');
					uni.navigateTo({
						url: '/pages/new/zlgl/video-preview'
					});
					return;
				}
				
				// 其他文件类型（Word、Excel等）提示不支持在线预览
				uni.showToast({
					title: '该文件类型暂不支持在线预览',
					icon: 'none',
					duration: 2000
				});
			},
		}
	}
</script>

<style scoped lang="scss">
	.u-subsection--button{
		height: 50px;
	}
	.main {
		padding-top: 87px; // 标题栏80px + 间距7px
		background-color: #F8F8F8;
		min-height: 100vh;
		.toptitle{
			position: fixed;
			top: 0;
			left: 0;
			right: 0;
			width: 100%;
			background-color: #0052D8;
			display: flex;
			height: 80px;
			justify-content: center;
			align-items: center;
			z-index: 200;
			.toptitle_left{
				padding-top: 20px;
				position: absolute;
				left: 10px;
				z-index: 1000;
			}
			.toptitle_title{
				color: #fff;
				font-size: 14px;
				padding-top: 20px;
			}
		}
		.title {
			padding: 10px;
			border-radius: 5px;
			margin-bottom: 10px;
			background-color: #fff;
		}

		.box {
			border-radius: 5px;
			margin-bottom: 10px;
			background-color: #fff;
			
			.tips{
				display: flex;
				align-items: center;
				margin-bottom: 10px;
				border-bottom: 1px solid #E9E9E9;
				padding: 15px 10px;
				
				.tip{
					width: 7px;
					height: 20px;
					background-color: #0052D8;
					margin-right: 10px;
				}
				.tiptitle{
					font-size: 17px;
				}
			}
			
			.box_item {
				display: flex;
				align-items: center;
				justify-content: space-between;
				padding: 10px 20px;
				margin-bottom: 20px;
				// border-bottom: 1px dashed #ccc;
				.f1 {
					font-size: 12px;
				}
				.f2{
					color:#969696;
					font-size: 16px;
				}
				.f3{
					color: #38beff;
					border-bottom: 1px solid #38beff;
				}
			}
		}
		.box1{
			background-color: #fff;
			.tips{
				display: flex;
				align-items: center;
				margin-bottom: 10px;
				border-bottom: 1px solid #E9E9E9;
				padding: 15px 10px;
				
				.tip{
					width: 7px;
					height: 20px;
					background-color: #0052D8;
					margin-right: 10px;
				}
				.tiptitle{
					font-size: 17px;
				}
			}
			.box_item1{
				padding: 10px 20px;
				display: flex;
				justify-content: space-between;
				align-items: center;
				margin-bottom: 10px;
				.left{
					display: flex;
					align-items: center;
					.left_image{
						margin-right: 15px;
						image{
							width: 40px;
							height: 40px;
						}
					}
					.l_title{
					}
				}
			}
		}
	}
	/* 修复样式块，恢复 .l_title 内部子元素样式 */
	.l_title{
		.l_title_f1{
			font-size: 15px;
			margin-bottom: 5px;
			width: 50vw;
			overflow:hidden;
			text-overflow:ellipsis;
			white-space:nowrap;
		}
		.l_title_f2{
			font-size: 13px;
			color: #969696;
		}
	}
</style>