{% extends "layout.html" %}

{% block title %}家谱管理 - 家谱管理系统{% endblock %}

{% block extra_css %}
<style>
    .pdf-card {
        cursor: pointer;
        transition: all 0.3s ease;
        border: 2px solid transparent;
        border-radius: 12px;
        overflow: hidden;
        background-color: #ffffff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        min-height: 280px;
        display: flex;
        flex-direction: column;
    }
    .pdf-card:hover {
        border-color: #0d6efd;
        box-shadow: 0 6px 20px rgba(13, 110, 253, 0.2);
        transform: translateY(-3px);
    }
    .pdf-card.active {
        border-color: #0d6efd;
        background-color: #f0f6ff;
        box-shadow: 0 4px 16px rgba(13, 110, 253, 0.18);
    }
    .pdf-card .card-body {
        padding: 16px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .pdf-card-icon {
        font-size: 1.8rem;
        color: #dc3545;
        margin-top: 2px;
    }
    .pdf-card-title {
        font-size: 0.9rem;
        font-weight: 600;
        line-height: 1.3;
        margin-bottom: 10px;
        color: #333333;
        flex-shrink: 0;
    }
    .pdf-card-meta {
        font-size: 0.75rem;
        color: #6c757d;
        line-height: 1.4;
        margin-bottom: 12px;
        flex-grow: 1;
    }
    .pdf-card-meta-item {
        display: flex;
        align-items: center;
        margin-bottom: 4px;
    }
    .pdf-card-meta-item i {
        font-size: 0.65rem;
        margin-right: 6px;
        width: 14px;
        text-align: center;
        color: #adb5bd;
    }
    .pdf-viewer-wrapper {
        background: #f8f9fa;
        border-radius: 12px;
        overflow: hidden;
        min-height: 80vh;
        position: relative;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    .pdf-viewer-wrapper iframe,
    .pdf-viewer-wrapper embed {
        width: 100%;
        min-height: 80vh;
        border: none;
    }
    .pdf-list-scroll {
        max-height: 600px;
        overflow-y: auto;
        padding-right: 8px;
    }
    .pdf-list-scroll::-webkit-scrollbar {
        width: 6px;
    }
    .pdf-list-scroll::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 3px;
    }
    .pdf-list-scroll::-webkit-scrollbar-thumb {
        background: #c1c1c1;
        border-radius: 3px;
    }
    .pdf-list-scroll::-webkit-scrollbar-thumb:hover {
        background: #a1a1a1;
    }
    .pdf-detail-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 12px;
        padding-top: 16px;
        border-top: 1px solid #e9ecef;
    }
    .pdf-detail-meta-item {
        display: flex;
        align-items: center;
        font-size: 0.9rem;
    }
    .pdf-detail-meta-item i {
        color: #6c757d;
        margin-right: 10px;
        font-size: 1rem;
    }
    .card {
        border-radius: 12px;
        overflow: hidden;
    }
    .card-header {
        border-bottom: none;
        background-color: #ffffff;
    }
    .card-body {
        padding: 24px;
    }
    .btn {
        border-radius: 8px;
        font-weight: 500;
    }
    .btn-sm {
        padding: 6px 12px;
        font-size: 0.875rem;
    }
    .badge {
        font-weight: 500;
        font-size: 0.75rem;
    }
    .loading-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.95);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        transition: opacity 0.3s ease;
    }
    .loading-spinner {
        width: 50px;
        height: 50px;
        border: 5px solid #f3f3f3;
        border-top: 5px solid #0d6efd;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin-bottom: 16px;
    }
    .loading-text {
        font-size: 1rem;
        color: #6c757d;
        text-align: center;
    }
    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }
    .loading-progress {
        width: 80%;
        max-width: 400px;
        height: 8px;
        background-color: #e9ecef;
        border-radius: 4px;
        overflow: hidden;
        margin: 16px 0;
    }
    .loading-progress-bar {
        height: 100%;
        background-color: #0d6efd;
        border-radius: 4px;
        width: 0%;
        transition: width 0.3s ease;
    }
</style>
{% endblock %}

{% block content %}
<div class="d-flex justify-content-between align-items-center mb-4">
    <h2><i class="bi bi-book"></i> 家谱管理</h2>
    <a href="{{ url_for('upload_pdf') }}" class="btn btn-primary">
        <i class="bi bi-cloud-upload me-2"></i> 上传家谱
    </a>
</div>

{% if pdfs %}
<div class="card shadow-sm mb-4">
    <div class="card-header bg-white py-2">
        <span class="fw-bold small text-muted">已上传家谱文件（{{ pdfs|length }} 个）</span>
    </div>
    <div class="card-body p-2 pdf-list-scroll">
        <div class="row g-4">
            {% for pdf in pdfs %}
            <div class="col-md-4 col-sm-6">
                <div class="card pdf-card {{ 'active' if selected_pdf and selected_pdf.id == pdf.id }}"
                     onclick="window.location.href='{{ url_for('pdf_management', view=pdf.id) }}'>
                    <div class="position-relative">
                        <div class="position-absolute top-2 right-2 z-10">
                            {% if pdf.parse_status == 2 %}
                            <span class="badge bg-success rounded-full p-2">
                                <i class="bi bi-check-circle"></i> 解析成功
                            </span>
                            {% elif pdf.parse_status == 1 %}
                            <span class="badge bg-warning text-dark rounded-full p-2">
                                <i class="bi bi-hourglass-split"></i> 解析中
                            </span>
                            {% elif pdf.parse_status == 3 %}
                            <span class="badge bg-danger rounded-full p-2">
                                <i class="bi bi-x-circle"></i> 解析失败
                            </span>
                            {% else %}
                            <span class="badge bg-secondary rounded-full p-2">
                                <i class="bi bi-robot"></i> 未解析
                            </span>
                            {% endif %}
                        </div>
                        <div class="card-body">
                        <div class="d-flex align-items-start">
                            <i class="bi bi-file-earmark-pdf pdf-card-icon me-3 flex-shrink-0"></i>
                            <div class="flex-grow-1">
                                <div class="pdf-card-title text-truncate" title="{{ pdf.file_name }}">{{ pdf.file_name }}</div>
                                <div class="pdf-card-meta">
                                    {% if pdf.version_name %}
                                    <div class="pdf-card-meta-item">
                                        <i class="bi bi-tag"></i>
                                        <span>{{ pdf.version_name }}</span>
                                    </div>
                                    {% endif %}
                                    {% if pdf.version_source %}
                                    <div class="pdf-card-meta-item">
                                        <i class="bi bi-building"></i>
                                        <span>{{ pdf.version_source }}</span>
                                    </div>
                                    {% endif %}
                                    {% if pdf.file_provider %}
                                    <div class="pdf-card-meta-item">
                                        <i class="bi bi-person"></i>
                                        <span>{{ pdf.file_provider }}</span>
                                    </div>
                                    {% endif %}
                                    <div class="pdf-card-meta-item">
                                        <i class="bi bi-calendar"></i>
                                        <span>{{ pdf.upload_time.strftime('%Y-%m-%d') if pdf.upload_time else '未知' }}</span>
                                    </div>
                                </div>
                                <div class="mt-3 d-grid gap-2">
                                    <button onclick="previewPDF({{ pdf.id }})" class="btn btn-sm btn-outline-info w-100" id="previewBtn{{ pdf.id }}">
                                        <i class="bi bi-eye"></i> 预览
                                    </button>
                                    {% if pdf.parse_status == 2 %}
                                    <button onclick="parsePDF({{ pdf.id }})" class="btn btn-sm btn-outline-warning w-100" id="parseBtn{{ pdf.id }}">
                                        <i class="bi bi-arrow-repeat"></i> 重新解析
                                    </button>
                                    {% elif pdf.parse_status != 1 %}
                                    <button onclick="parsePDF({{ pdf.id }})" class="btn btn-sm btn-outline-primary w-100" id="parseBtn{{ pdf.id }}">
                                        <i class="bi bi-robot"></i> AI解析
                                    </button>
                                    {% else %}
                                    <button class="btn btn-sm btn-outline-primary w-100 disabled">
                                        <span class="spinner-border spinner-border-sm"></span> 解析中...
                                    </button>
                                    {% endif %}
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            {% endfor %}
        </div>
    </div>
</div>
{% endif %}

{% if selected_pdf %}
<div class="card shadow-sm">
    <div class="card-header bg-white py-3">
        <div class="d-flex align-items-center mb-2">
            <i class="bi bi-file-earmark-pdf text-danger me-3 fs-5"></i>
            <h5 class="mb-0">{{ selected_pdf.file_name }}</h5>
        </div>
        <div class="pdf-detail-meta">
            {% if selected_pdf.version_name %}
            <div class="pdf-detail-meta-item">
                <i class="bi bi-tag"></i>
                <span><strong>版本名称：</strong>{{ selected_pdf.version_name }}</span>
            </div>
            {% endif %}
            {% if selected_pdf.version_source %}
            <div class="pdf-detail-meta-item">
                <i class="bi bi-building"></i>
                <span><strong>版本来源：</strong>{{ selected_pdf.version_source }}</span>
            </div>
            {% endif %}
            {% if selected_pdf.file_provider %}
            <div class="pdf-detail-meta-item">
                <i class="bi bi-person"></i>
                <span><strong>文件提供人：</strong>{{ selected_pdf.file_provider }}</span>
            </div>
            {% endif %}
            <div class="pdf-detail-meta-item">
                <i class="bi bi-calendar"></i>
                <span><strong>上传时间：</strong>{{ selected_pdf.upload_time.strftime('%Y-%m-%d %H:%M') if selected_pdf.upload_time else '未知' }}</span>
            </div>
        </div>
        <div class="d-flex gap-2 mt-3 justify-content-end">
            <form action="{{ url_for('delete_pdf', pdf_id=selected_pdf.id) }}" method="POST" class="d-inline"
                  onsubmit="return confirm('确定要删除此PDF文件吗？此操作无法撤销。');">
                <button type="submit" class="btn btn-sm btn-outline-danger">
                    <i class="bi bi-trash"></i> 删除
                </button>
            </form>
        </div>
    </div>
    <div class="card-body p-0">
        <div class="pdf-viewer-wrapper">
            <div id="loadingOverlay" class="loading-overlay">
                <div class="loading-spinner"></div>
                <div class="loading-text">正在加载PDF文件，请稍候...</div>
                <div class="loading-progress">
                    <div class="loading-progress-bar" id="loadingProgressBar"></div>
                </div>
            </div>
            <iframe id="pdfViewer" src="{{ selected_pdf.oss_url }}#toolbar=0" type="application/pdf" onload="hideLoading()"></iframe>
        </div>
    </div>
</div>
{% elif not pdfs %}
<div class="card shadow-sm">
    <div class="card-body text-center py-5 text-muted">
        <i class="bi bi-file-earmark-pdf fs-1 d-block mb-3 text-secondary"></i>
        <h5 class="text-secondary">暂无PDF家谱文件</h5>
        <p class="mb-3">在扫描件管理中上传PDF文件后，会自动添加到此处。</p>
    </div>
</div>
{% else %}
<div class="card shadow-sm">
    <div class="card-body text-center py-5 text-muted">
        <i class="bi bi-hand-index-thumb fs-1 d-block mb-3"></i>
        <h5 class="text-secondary">请从上方选择一个PDF文件进行查看</h5>
    </div>
</div>
{% endif %}


{% endblock %}

{% block extra_js %}
<script>
    // 显示加载动画
    function showLoading() {
        document.getElementById('loadingOverlay').style.display = 'flex';
    }
    
    // 隐藏加载动画
    function hideLoading() {
        const overlay = document.getElementById('loadingOverlay');
        overlay.style.opacity = '0';
        setTimeout(() => {
            overlay.style.display = 'none';
        }, 300);
    }
    
    // 模拟加载进度
    function simulateLoadingProgress() {
        const progressBar = document.getElementById('loadingProgressBar');
        if (progressBar) {
            let progress = 0;
            const interval = setInterval(() => {
                progress += 5;
                if (progress > 90) {
                    clearInterval(interval);
                } else {
                    progressBar.style.width = progress + '%';
                }
            }, 200);
        }
    }
    
    // 页面加载完成后开始模拟加载进度
    document.addEventListener('DOMContentLoaded', function() {
        // 检查是否有选中的PDF
        if (document.getElementById('pdfViewer')) {
            simulateLoadingProgress();
        }
    });
    
    // 监听PDF卡片点击事件，显示加载动画
    document.querySelectorAll('.pdf-card').forEach(card => {
        card.addEventListener('click', function() {
            // 显示加载动画
            const overlay = document.createElement('div');
            overlay.id = 'loadingOverlay';
            overlay.className = 'loading-overlay';
            overlay.innerHTML = `
                <div class="loading-spinner"></div>
                <div class="loading-text">正在加载PDF文件，请稍候...</div>
                <div class="loading-progress">
                    <div class="loading-progress-bar" id="loadingProgressBar"></div>
                </div>
            `;
            document.body.appendChild(overlay);
            
            // 开始模拟加载进度
            let progress = 0;
            const progressBar = overlay.querySelector('#loadingProgressBar');
            const interval = setInterval(() => {
                progress += 5;
                if (progress > 90) {
                    clearInterval(interval);
                } else {
                    progressBar.style.width = progress + '%';
                }
            }, 200);
        });
    });
    
    // PDF预览函数
    function previewPDF(pdfId) {
        window.location.href = '{{ url_for('pdf_management') }}?view=' + pdfId + '&preview=true';
    }
    
    // PDF解析函数
    function parsePDF(pdfId) {
        if (!confirm('确定要开始AI解析吗？这将把PDF拆分为单页并生成扫描件数据，可能需要一些时间。')) {
            return;
        }
        
        const btn = document.getElementById('parseBtn' + pdfId);
        const originalHtml = btn.innerHTML;
        btn.disabled = true;
        btn.innerHTML = '<span class="spinner-border spinner-border-sm"></span> 解析中...';
        
        fetch('/manager/parse_pdf/' + pdfId, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            }
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                alert('PDF解析已开始，将在后台执行。解析完成后状态会自动更新。');
                // 重新加载页面以更新状态
                setTimeout(() => {
                    window.location.reload();
                }, 1000);
            } else {
                alert('启动解析失败: ' + data.message);
                btn.innerHTML = originalHtml;
                btn.disabled = false;
            }
        })
        .catch(error => {
            console.error('Error:', error);
            alert('请求失败，请重试');
            btn.innerHTML = originalHtml;
            btn.disabled = false;
        });
    }
</script>
{% endblock %}