<template>
	<z-paging
		ref="pagingRef"
		v-model="data_list"
		@query="queryList"
		:auto="false"
		empty-view-text="暂无数据"
		paging-class="pagingClass"
	>
		<view class="item" v-for="item in data_list" @click="goto_course_detail(item)">
			<view class="img_div">
				<image-preview class="img" :imgId="item.imgId"></image-preview>
			</view>
			<view class="right_div">
				<view class="title ellipsis-text">{{ item.crsName }}</view>
				<view class="tag_div">
					<view class="tag" v-for="tag in item.tagCataList">{{ tag.tagName }}</view>
				</view>
				<view class="time_and_num"></view>
			</view>
		</view>
	</z-paging>
</template>
<script setup>
	import common from '@/common/common';
	import { ref, reactive, onMounted, nextTick, watch } from 'vue';
	import { queryTraStdyInfoPreviewPaging } from '@/api/preview.js';
	import useZpaging from '@/composables/useZpaging';
	const { pagingRef, queryList, data_list, reload, total } = useZpaging({
		fetchFunction: queryTraStdyInfoPreviewPaging
	});
	const props = defineProps(['tabIndex', 'currentIndex']);
	const goto_course_detail = (item) => {
		common.navigateTo('/pages/courseDetail/index?isPreview=preview&crsId=' + item.crsId);
	};
	onMounted(() => {
		watch(
			() => props.currentIndex,
			(v) => v === props.tabIndex && total.value === -1 && reload(),
			{ immediate: true }
		);
	});
</script>

<style scoped lang="scss">
	.pagingClass {
		width: calc(100% - 44rpx);
		margin: 22rpx auto;
		background-color: #fff;
		border-radius: 16rpx;
	}

	.item {
		// height: 170rpx;
		margin: 22rpx 22rpx;
		display: flex;
		.img_div {
			position: relative;
			width: 256rpx;
			height: 144rpx;
			overflow: hidden;
			border-radius: 16rpx;
			.img {
				// width: 224rpx;
				// height: 168rpx;
				width: 256rpx;
				height: 144rpx;
			}

			.subscript {
				position: absolute;
				right: 0;
				top: 0;
				width: 78rpx;
				height: 46rpx;
				border-radius: 0px 0px 0px 22rpx;
				font-family: PingFangSC;
				font-weight: 400;
				font-size: 22rpx;
				display: flex;
				align-items: center;
				justify-content: center;
				background-color: #ef5705;
				color: #ffffff;
			}
		}

		.right_div {
			flex: 1;
			overflow: hidden;
			margin-left: 24rpx;
			display: flex;
			flex-direction: column;
			justify-content: space-between;

			.title {
				font-family: PingFangSC;
				font-size: 30rpx;
				font-weight: 600;
				color: #333333;
			}

			.tag_div {
				display: flex;
				flex-wrap: wrap;
				height: 38rpx;
				overflow: hidden;

				.tag {
					height: 38rpx;
					padding: 0 10rpx;
					margin-right: 14rpx;
					border-radius: 8rpx;
					border: 2rpx solid #ffa150;
					font-family: PingFangSC;
					font-weight: 500;
					font-size: 23rpx;
					color: #ffa150;
					display: flex;
					justify-content: center;
					align-items: center;
				}
			}

			.time_and_num {
				display: flex;
				font-family: PingFangSC;
				font-weight: 400;
				font-size: 23rpx;
				color: #999999;
				margin-bottom: 16rpx;
				line-height: 23rpx;
				flex-wrap: nowrap;
				height: 23rpx;
				overflow: hidden;
			}
		}
	}
</style>
