{% extends "user/base.html" %}

{% block title %}产品中心 - {{ config.SITE_NAME or '软件授权管理系统' }}{% endblock %}

{% block extra_css %}
<style>
    .product-card {
        transition: transform 0.3s ease;
        border: none;
        border-radius: 10px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }
    
    .product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    }
    
    .product-image {
        height: 200px;
        object-fit: cover;
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
    }
    
    .search-filters {
        background: #f8f9fa;
        border-radius: 10px;
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
</style>
{% endblock %}

{% block content %}
<div class="container py-4">
    <div class="row">
        <div class="col-12">
            <h1 class="mb-4">产品中心</h1>
            
            <!-- 搜索和筛选区 -->
            <div class="search-filters">
                <div class="row g-3">
                    <div class="col-md-4">
                        <input type="text" class="form-control" id="searchInput" placeholder="搜索产品名称...">
                    </div>
                    <div class="col-md-3">
                        <select class="form-select" id="statusFilter">
                            <option value="">所有状态</option>
                            <option value="1">已发布</option>
                            <option value="0">未发布</option>
                        </select>
                    </div>
                    <div class="col-md-3">
                        <button class="btn btn-primary w-100" id="searchBtn">
                            <i class="fas fa-search me-1"></i>搜索
                        </button>
                    </div>
                </div>
            </div>
            
            <!-- 产品列表 -->
            <div class="row" id="productsContainer">
                <!-- 产品项将通过JavaScript动态加载 -->
                <div class="col-12 text-center py-5">
                    <div class="spinner-border text-primary" role="status">
                        <span class="visually-hidden">加载中...</span>
                    </div>
                    <p class="mt-2">正在加载产品列表...</p>
                </div>
            </div>
            
            <!-- 分页 -->
            <nav aria-label="产品分页" class="mt-4">
                <ul class="pagination justify-content-center" id="pagination">
                    <!-- 分页按钮将通过JavaScript动态生成 -->
                </ul>
            </nav>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    // 产品列表页面JavaScript
    document.addEventListener('DOMContentLoaded', function() {
        console.log('产品列表页面加载完成');
        
        // 初始化产品列表
        loadProducts();
        
        // 搜索按钮事件
        document.getElementById('searchBtn').addEventListener('click', function() {
            loadProducts();
        });
        
        // 回车搜索
        document.getElementById('searchInput').addEventListener('keypress', function(e) {
            if (e.key === 'Enter') {
                loadProducts();
            }
        });
    });
    
    // 加载产品列表
    function loadProducts(page = 1) {
        const searchInput = document.getElementById('searchInput').value;
        const statusFilter = document.getElementById('statusFilter').value;
        
        // 构建查询参数
        const params = new URLSearchParams();
        params.append('page', page);
        if (searchInput) params.append('keyword', searchInput);
        if (statusFilter) params.append('status', statusFilter);
        
        // 显示加载状态
        document.getElementById('productsContainer').innerHTML = `
            <div class="col-12 text-center py-5">
                <div class="spinner-border text-primary" role="status">
                    <span class="visually-hidden">加载中...</span>
                </div>
                <p class="mt-2">正在加载产品列表...</p>
            </div>
        `;
        
        // 调用API获取产品列表
        apiRequest(`/api/v1/user/products?${params.toString()}`)
            .then(data => {
                if (data.success) {
                    renderProducts(data.data.products, data.data.pagination);
                } else {
                    showNotification('加载产品列表失败: ' + data.message, 'error');
                }
            })
            .catch(error => {
                showNotification('加载产品列表失败，请稍后重试', 'error');
                console.error('加载产品列表失败:', error);
            });
    }
    
    // 渲染产品列表
    function renderProducts(products, pagination) {
        const container = document.getElementById('productsContainer');
        
        if (products.length === 0) {
            container.innerHTML = `
                <div class="col-12 text-center py-5">
                    <i class="fas fa-box-open fa-3x text-muted mb-3"></i>
                    <h4 class="text-muted">暂无产品</h4>
                    <p class="text-muted">当前没有符合条件的产品</p>
                </div>
            `;
            document.getElementById('pagination').innerHTML = '';
            return;
        }
        
        // 生成产品卡片HTML
        let productsHtml = '';
        products.forEach(product => {
            // 处理图片路径，如果没有图片则使用默认图片
            const imagePath = product.image_path || '/static/images/product-default.png';
            productsHtml += `
                <div class="col-lg-4 col-md-6 mb-4">
                    <div class="card product-card h-100">
                        <img src="${imagePath}" 
                             class="card-img-top product-image" 
                             alt="${product.product_name}">
                        <div class="card-body d-flex flex-column">
                            <h5 class="card-title">${product.product_name}</h5>
                            <p class="card-text flex-grow-1">${product.description || '暂无描述'}</p>
                            <div class="mt-auto">
                                <div class="d-flex justify-content-between align-items-center">
                                    <span class="text-muted">版本: ${product.latest_version || '1.0.0'}</span>
                                    <span class="badge ${product.status === 1 ? 'bg-success' : 'bg-secondary'}">
                                        ${product.status === 1 ? '已发布' : '未发布'}
                                    </span>
                                </div>
                                <div class="mt-3">
                                    <a href="/index/products/${product.product_id}" class="btn btn-primary w-100">
                                        <i class="fas fa-info-circle me-1"></i>查看详情
                                    </a>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            `;
        });
        
        container.innerHTML = productsHtml;
        
        // 渲染分页
        renderPagination(pagination);
    }
    
    // 渲染分页
    function renderPagination(pagination) {
        const paginationContainer = document.getElementById('pagination');
        
        if (pagination.total_pages <= 1) {
            paginationContainer.innerHTML = '';
            return;
        }
        
        let paginationHtml = '';
        
        // 上一页
        if (pagination.current_page > 1) {
            paginationHtml += `
                <li class="page-item">
                    <a class="page-link" href="#" onclick="loadProducts(${pagination.current_page - 1}); return false;">
                        <i class="fas fa-chevron-left"></i>
                    </a>
                </li>
            `;
        }
        
        // 页码
        for (let i = Math.max(1, pagination.current_page - 2); 
             i <= Math.min(pagination.total_pages, pagination.current_page + 2); 
             i++) {
            paginationHtml += `
                <li class="page-item ${i === pagination.current_page ? 'active' : ''}">
                    <a class="page-link" href="#" onclick="loadProducts(${i}); return false;">${i}</a>
                </li>
            `;
        }
        
        // 下一页
        if (pagination.current_page < pagination.total_pages) {
            paginationHtml += `
                <li class="page-item">
                    <a class="page-link" href="#" onclick="loadProducts(${pagination.current_page + 1}); return false;">
                        <i class="fas fa-chevron-right"></i>
                    </a>
                </li>
            `;
        }
        
        paginationContainer.innerHTML = paginationHtml;
    }
</script>
{% endblock %}