const jcdt = {
    template: /*language=HTML*/ `
        <div class="jcdt-wrapper">
            <div class="jcdt-container">
                <div class="portal-news-header">
                    <el-dropdown @command="selectSection" trigger="click">
                        <button type="button" class="portal-news-title"><i class="fa fa-bullhorn" aria-hidden="true"></i> {{ currentNews.label }} <i v-if="list.length > 1" class="fa fa-angle-down" aria-hidden="true"></i></button>
                        <el-dropdown-menu slot="dropdown">
                            <el-dropdown-item v-for="(section, index) in list" :key="index" :command="index">{{ section.label }}</el-dropdown-item>
                        </el-dropdown-menu>
                    </el-dropdown>
                    <div v-if="pageCount > 1" class="portal-news-pager" aria-label="动态分页">
                        <span class="portal-news-count">共 {{ currentNews.value.length }} 条</span>
                        <button type="button" :disabled="pageNumber === 1" title="上一页动态" aria-label="上一页动态" @click="pageNumber--"><i class="fa fa-angle-left" aria-hidden="true"></i></button>
                        <span class="portal-news-page" aria-live="polite">{{ pageNumber }} / {{ pageCount }}</span>
                        <button type="button" :disabled="pageNumber === pageCount" title="下一页动态" aria-label="下一页动态" @click="pageNumber++"><i class="fa fa-angle-right" aria-hidden="true"></i></button>
                    </div>
                </div>
                <div class="portal-news-list">
                    <button type="button" class="portal-news-row" v-for="(item, index) in visibleNews" :key="index" @click="onLink(item)">
                        <time v-if="item.time" :title="item.time">{{ item.time.slice(5) }}</time>
                        <span :title="item.text">{{ item.text }}</span>
                    </button>
                    <div v-if="!currentNews.value.length" class="portal-empty">暂无动态</div>
                </div>
            </div>
        </div>
    `,
    data() {
        return {activeIndex: 0, pageNumber: 1, pageSize: 3}
    },
    props: {
        list: {
            type: Array,
            default: () => []
        }
    },
    computed: {
        currentNews() {
            // 默认遵循接口栏目顺序，不再按栏目名称优先选择。
            const section = this.list[this.activeIndex] || this.list[0]
            return section ? {label: section.label, value: section.value || []} : {label: '最新动态', value: []}
        },
        visibleNews() {
            const start = (this.pageNumber - 1) * this.pageSize
            return this.currentNews.value.slice(start, start + this.pageSize)
        },
        pageCount() {
            return Math.max(1, Math.ceil(this.currentNews.value.length / this.pageSize))
        }
    },
    watch: {
        list() {
            this.selectSection(0)
        }
    },
    methods: {
        selectSection(index) {
            this.activeIndex = index
            this.pageNumber = 1
        },
        onLink(item) {
            const url = this.isHttpOrHttps(item.href) ? item.href : "https://xgh.cug.edu.cn/" + item.href
            window.open(url)
        },
        isHttpOrHttps(url) {
            return /^(http:\/\/|https:\/\/)/i.test(url)
        }
    },
    style: /*language=CSS*/ `
        /* 每页固定三行，不因展开或末页条数变化撑高相邻的模板卡片。 */
        #v4-home-app .portal-news-list { min-height: 132px; }
        #v4-home-app .portal-news-list .portal-news-row { height: 44px; padding: 9px 0; }
        #v4-home-app .portal-news-pager { display: flex; flex-shrink: 0; align-items: center; gap: 8px; }
        #v4-home-app .portal-news-count { margin-right: 4px; color: #8a9aac; font-size: 12px; }
        #v4-home-app .portal-news-page { min-width: 32px; color: #637b96; text-align: center; font-size: 12px; font-variant-numeric: tabular-nums; }
        #v4-home-app .portal-news-pager button { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; padding: 0; border: 1px solid #e4edf7; border-radius: 6px; background: #fff; color: #1687f5; font-size: 18px; cursor: pointer; }
        #v4-home-app .portal-news-pager button:hover:not(:disabled) { border-color: #b9d8fb; background: #f0f7ff; }
        #v4-home-app .portal-news-pager button:disabled { border-color: #eef2f7; background: #f8fafc; color: #c3cedb; cursor: default; }
        .jcdt-wrapper {
            width: 100%;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .jcdt-container {
            width: 80%;
            max-width: 80%;
            margin: 0 auto 10px;
            background-color: #FFFFFF;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }

        /deep/ .jcdt-title{
            font-size: 30px;
            color: #000000;
            display: block;
            font-weight: bold;
            position: relative;
            text-align: center;
            padding: 20px 0;
        }

        /deep/ .jcdt-container .jcdt-title span::before {
            content: '';
            width: 24px;
            height: 11px;
            background: url(https://www.ncu.edu.cn/images/titl.svg) no-repeat center;
            background-size: 24px 11px;
            display: inline-block;
            margin-right: 0;
            vertical-align: middle;
        }

        /deep/ .jcdt-container .jcdt-title span::after {
            content: '';
            width: 24px;
            height: 11px;
            background: url(https://www.ncu.edu.cn/images/titr.svg) no-repeat center;
            background-size: 24px 11px;
            display: inline-block;
            margin-left: 0;
            vertical-align: middle;
        }

        /deep/ .jcdt-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /deep/ .jcdt-item {
            display: flex;
            flex-direction: column;
            padding: 16px;
            border: none;
            border-bottom: 3px solid transparent;
            transition: all 0.3s ease;
            cursor: pointer;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-primary);
            background: #ffffff;
        }

        /deep/ .jcdt-item:hover{
            transform: translateY(-4px);
        }

        /deep/ .jcdt-item .date {
            font-size: 20px;
            font-weight: bold;
            white-space: nowrap;
            text-align: left;
            margin-bottom: 8px;
            transition: opacity 0.3s ease;
        }

        /deep/ .jcdt-item .title {
            font-size: 16px;
            font-weight: 600;
            /*margin-bottom: 12px;*/
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            /*height: 45px;*/
        }

        /deep/ .jcdt-item .image {
            width: 100%;
            height: 180px;
            margin: 0 0 16px 0;
            border-radius: 8px;
            overflow: hidden;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        /deep/ .jcdt-item .image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        /deep/ .jcdt-item .summary {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-align: justify;
            margin-bottom: 12px;
        }

        /deep/ .jcdt-item i {
            color: #007aff;
        }
    `
};