{% extends "base.html" %}

{% block title %}订单管理 - {{ config.SITE_NAME or '软件授权管理系统' }}{% endblock %}

{% block extra_css %}
<style>
    .order-status-0 { color: #ffc107; } /* 待支付 */
    .order-status-1 { color: #28a745; } /* 已支付 */
    .order-status-2 { color: #dc3545; } /* 已取消 */
    .order-status-3 { color: #6c757d; } /* 已完成 */
    
    .order-item {
        border-left: 3px solid #dee2e6;
        transition: all 0.3s ease;
    }
    
    .order-item:hover {
        border-left-color: #667eea;
        box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    }
    
    .search-filters .form-control, .search-filters .form-select {
        min-width: 150px;
    }
</style>
{% endblock %}

{% block content %}
<div class="container-fluid">
    <!-- 页面标题 -->
    <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
        <h1 class="h2">订单管理</h1>
        <div class="btn-toolbar mb-2 mb-md-0">
            <button type="button" class="btn btn-sm btn-outline-secondary me-2" onclick="refreshOrders()">
                <i class="fas fa-sync-alt me-1"></i>刷新
            </button>
        </div>
    </div>
    
    <!-- 搜索和筛选 -->
    <div class="card shadow-sm mb-4">
        <div class="card-body">
            <form id="searchForm" class="row g-3 search-filters">
                <div class="col-md-3">
                    <label for="searchKeyword" class="form-label">搜索</label>
                    <input type="text" class="form-control" id="searchKeyword" placeholder="订单号/联系人/手机号">
                </div>
                <div class="col-md-2">
                    <label for="statusFilter" class="form-label">状态</label>
                    <select class="form-select" id="statusFilter">
                        <option value="">全部</option>
                        <option value="0">待支付</option>
                        <option value="1">已支付</option>
                        <option value="2">已取消</option>
                        <option value="3">已完成</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="productFilter" class="form-label">产品</label>
                    <select class="form-select" id="productFilter">
                        <option value="">全部产品</option>
                    </select>
                </div>
                <div class="col-md-3">
                    <label for="dateRange" class="form-label">日期范围</label>
                    <input type="text" class="form-control" id="dateRange" placeholder="选择日期范围">
                </div>
                <div class="col-md-2 d-flex align-items-end">
                    <button type="button" class="btn btn-primary w-100" onclick="loadOrders()">
                        <i class="fas fa-search me-1"></i>搜索
                    </button>
                </div>
            </form>
        </div>
    </div>
    
    <!-- 订单列表 -->
    <div class="card shadow-sm">
        <div class="card-body">
            <div class="table-responsive">
                <table class="table table-striped table-hover">
                    <thead>
                        <tr>
                            <th>订单号</th>
                            <th>产品</th>
                            <th>联系人</th>
                            <th>手机号</th>
                            <th>数量</th>
                            <th>金额</th>
                            <th>状态</th>
                            <th>创建时间</th>
                            <th>操作</th>
                        </tr>
                    </thead>
                    <tbody id="ordersTableBody">
                        <!-- 订单数据将通过JavaScript动态加载 -->
                        <tr>
                            <td colspan="9" class="text-center">
                                <div class="spinner-border text-primary" role="status">
                                    <span class="visually-hidden">加载中...</span>
                                </div>
                                <p class="mt-2">正在加载订单数据...</p>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </div>
            
            <!-- 分页 -->
            <nav aria-label="订单分页" id="paginationContainer">
                <ul class="pagination justify-content-center">
                    <!-- 分页控件将通过JavaScript动态生成 -->
                </ul>
            </nav>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    // 页面加载完成后初始化
    document.addEventListener('DOMContentLoaded', function() {
        console.log('订单管理页面加载完成');
        
        // 初始化日期选择器
        initDateRangePicker();
        
        // 初始化产品筛选下拉框
        loadProducts();
        
        // 加载订单列表
        loadOrders();
    });
    
    // 初始化日期选择器
    function initDateRangePicker() {
        // 这里可以集成日期选择插件，如daterangepicker
        // 暂时使用普通文本输入框
    }
    
    // 加载产品列表
    function loadProducts() {
        apiRequest('/api/v1/products')
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    const select = document.getElementById('productFilter');
                    select.innerHTML = '<option value="">全部产品</option>';
                    
                    data.data.products.forEach(product => {
                        const option = document.createElement('option');
                        option.value = product.product_id;
                        option.textContent = product.product_name;
                        select.appendChild(option);
                    });
                }
            })
            .catch(error => {
                console.error('加载产品列表失败:', error);
            });
    }
    
    // 加载订单列表
    function loadOrders(page = 1) {
        const params = new URLSearchParams();
        params.append('page', page);
        
        const keyword = document.getElementById('searchKeyword').value.trim();
        const status = document.getElementById('statusFilter').value;
        const product = document.getElementById('productFilter').value;
        const dateRange = document.getElementById('dateRange').value;
        
        if (keyword) params.append('keyword', keyword);
        if (status) params.append('status', status);
        if (product) params.append('product_id', product);
        if (dateRange) params.append('date_range', dateRange);
        
        // 显示加载状态
        document.getElementById('ordersTableBody').innerHTML = `
            <tr>
                <td colspan="9" class="text-center">
                    <div class="spinner-border text-primary" role="status">
                        <span class="visually-hidden">加载中...</span>
                    </div>
                    <p class="mt-2">正在加载订单数据...</p>
                </td>
            </tr>
        `;
        
        apiRequest(`/api/v1/orders?${params.toString()}`)
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    renderOrders(data.data.orders, data.data.pagination);
                } else {
                    showNotification('加载订单列表失败: ' + data.message, 'error');
                }
            })
            .catch(error => {
                showNotification('加载订单列表失败，请稍后重试', 'error');
                console.error('加载订单列表失败:', error);
            });
    }
    
    // 渲染订单列表
    function renderOrders(orders, pagination) {
        const tbody = document.getElementById('ordersTableBody');
        
        if (orders.length === 0) {
            tbody.innerHTML = `
                <tr>
                    <td colspan="9" class="text-center py-5">
                        <i class="fas fa-file-invoice fa-3x text-muted mb-3"></i>
                        <h4 class="text-muted">暂无订单</h4>
                        <p class="text-muted">当前没有符合条件的订单记录</p>
                    </td>
                </tr>
            `;
            document.getElementById('paginationContainer').innerHTML = '';
            return;
        }
        
        let ordersHtml = '';
        orders.forEach(order => {
            ordersHtml += `
                <tr>
                    <td>${order.order_number}</td>
                    <td>${order.product_name || '未知产品'}</td>
                    <td>${order.contact_person}</td>
                    <td>${order.phone}</td>
                    <td>${order.quantity}</td>
                    <td>¥${order.amount.toFixed(2)}</td>
                    <td>
                        <span class="badge bg-${getStatusClass(order.status)} order-status-${order.status}">
                            ${order.status_name}
                        </span>
                    </td>
                    <td>${formatDate(order.create_time)}</td>
                    <td>
                        <div class="btn-group btn-group-sm" role="group">
                            <button type="button" class="btn btn-outline-primary" onclick="viewOrder('${order.order_id}')">
                                <i class="fas fa-eye me-1"></i>查看
                            </button>
                            ${order.status === 0 ? `
                                <button type="button" class="btn btn-outline-success" onclick="confirmPayment('${order.order_id}')">
                                    <i class="fas fa-check me-1"></i>确认支付
                                </button>
                            ` : ''}
                            ${order.status === 1 ? `
                                <button type="button" class="btn btn-outline-secondary" onclick="completeOrder('${order.order_id}')">
                                    <i class="fas fa-check-circle me-1"></i>完成
                                </button>
                            ` : ''}
                        </div>
                    </td>
                </tr>
            `;
        });
        
        tbody.innerHTML = ordersHtml;
        
        // 渲染分页
        renderPagination(pagination);
    }
    
    // 获取状态样式类
    function getStatusClass(status) {
        const classMap = {
            0: 'warning',
            1: 'success',
            2: 'danger',
            3: 'secondary'
        };
        return classMap[status] || 'secondary';
    }
    
    // 渲染分页
    function renderPagination(pagination) {
        const paginationContainer = document.getElementById('paginationContainer');
        
        if (pagination.total_pages <= 1) {
            paginationContainer.innerHTML = '';
            return;
        }
        
        let paginationHtml = '<ul class="pagination justify-content-center">';
        
        // 上一页
        if (pagination.current_page > 1) {
            paginationHtml += `
                <li class="page-item">
                    <a class="page-link" href="#" onclick="loadOrders(${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 ${i === pagination.current_page ? 'active' : ''}">
                    <a class="page-link" href="#" onclick="loadOrders(${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="loadOrders(${pagination.current_page + 1}); return false;">
                        <i class="fas fa-chevron-right"></i>
                    </a>
                </li>
            `;
        }
        
        paginationHtml += '</ul>';
        paginationContainer.innerHTML = paginationHtml;
    }
    
    // 查看订单详情
    function viewOrder(orderId) {
        showNotification('查看订单详情功能待实现', 'info');
        // 这里可以跳转到订单详情页面或显示模态框
    }
    
    // 确认支付
    function confirmPayment(orderId) {
        if (!confirm('确定要确认该订单已支付吗？')) {
            return;
        }
        
        apiRequest(`/api/v1/orders/${orderId}/confirm-payment`, {
            method: 'POST'
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                showNotification('订单支付确认成功', 'success');
                loadOrders(); // 重新加载订单列表
            } else {
                showNotification('订单支付确认失败: ' + data.message, 'error');
            }
        })
        .catch(error => {
            showNotification('订单支付确认失败，请稍后重试', 'error');
            console.error('订单支付确认失败:', error);
        });
    }
    
    // 完成订单
    function completeOrder(orderId) {
        if (!confirm('确定要将该订单标记为已完成吗？')) {
            return;
        }
        
        apiRequest(`/api/v1/orders/${orderId}/complete`, {
            method: 'POST'
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                showNotification('订单完成操作成功', 'success');
                loadOrders(); // 重新加载订单列表
            } else {
                showNotification('订单完成操作失败: ' + data.message, 'error');
            }
        })
        .catch(error => {
            showNotification('订单完成操作失败，请稍后重试', 'error');
            console.error('订单完成操作失败:', error);
        });
    }
    
    // 刷新订单列表
    function refreshOrders() {
        loadOrders();
    }
</script>
{% endblock %}