{% extends "base.html" %}

{% block title %}工单管理 - 软件授权管理系统{% endblock %}

{% block page_title %}工单管理{% endblock %}

{% block page_actions %}
<button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createTicketModal">
    <i class="fas fa-plus me-2"></i>
    创建工单
</button>
{% endblock %}

{% block content %}
<!-- 搜索和筛选 -->
<div class="card shadow mb-4">
    <div class="card-body">
        <form id="search-form" class="row g-3">
            <div class="col-md-3">
                <input type="text" class="form-control" id="search-keyword" placeholder="搜索工单标题或内容...">
            </div>
            <div class="col-md-2">
                <select class="form-select" id="search-status">
                    <option value="">全部状态</option>
                    <option value="0">待处理</option>
                    <option value="1">处理中</option>
                    <option value="2">已解决</option>
                    <option value="3">已关闭</option>
                </select>
            </div>
            <div class="col-md-2">
                <select class="form-select" id="search-priority">
                    <option value="">全部优先级</option>
                    <option value="0">低</option>
                    <option value="1">中</option>
                    <option value="2">高</option>
                </select>
            </div>
            <div class="col-md-3">
                <input type="text" class="form-control" id="search-product" placeholder="产品ID或名称...">
            </div>
            <div class="col-md-2">
                <button type="submit" class="btn btn-outline-primary">
                    <i class="fas fa-search me-2"></i>
                    搜索
                </button>
            </div>
        </form>
    </div>
</div>

<!-- 工单列表 -->
<div class="card shadow">
    <div class="card-body">
        <div class="table-responsive">
            <table class="table table-hover">
                <thead>
                    <tr>
                        <th>工单ID</th>
                        <th>标题</th>
                        <th>产品</th>
                        <th>优先级</th>
                        <th>状态</th>
                        <th>创建时间</th>
                        <th>最后更新</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody id="ticket-list">
                    <tr>
                        <td colspan="8" class="text-center text-muted">
                            <div class="spinner-border spinner-border-sm me-2" role="status"></div>
                            加载中...
                        </td>
                    </tr>
                </tbody>
            </table>
        </div>

        <!-- 分页 -->
        <nav aria-label="工单列表分页">
            <ul class="pagination justify-content-center" id="pagination">
                <!-- 分页将通过JavaScript动态生成 -->
            </ul>
        </nav>
    </div>
</div>

<!-- 创建工单模态框 -->
<div class="modal fade" id="createTicketModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">创建工单</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <form id="create-ticket-form">
                    <div class="mb-3">
                        <label for="ticket_title" class="form-label">标题 *</label>
                        <input type="text" class="form-control" id="ticket_title" name="title" required>
                    </div>
                    
                    <div class="mb-3">
                        <label for="ticket_product" class="form-label">关联产品</label>
                        <select class="form-select" id="ticket_product" name="product_id">
                            <option value="">无关联产品</option>
                            {% for product in products %}
                            <option value="{{ product.product_id }}">{{ product.product_name }}</option>
                            {% endfor %}
                        </select>
                    </div>
                    
                    <div class="mb-3">
                        <label for="ticket_priority" class="form-label">优先级 *</label>
                        <select class="form-select" id="ticket_priority" name="priority" required>
                            <option value="0">低</option>
                            <option value="1" selected>中</option>
                            <option value="2">高</option>
                        </select>
                    </div>
                    
                    <div class="mb-3">
                        <label for="ticket_content" class="form-label">详细描述 *</label>
                        <textarea class="form-control" id="ticket_content" name="content" rows="5" required></textarea>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
                <button type="button" class="btn btn-primary" id="create-ticket-btn">创建</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
let currentPage = 1;

// 页面加载完成后初始化
document.addEventListener('DOMContentLoaded', function() {
    loadTickets();
    initEventListeners();
});

// 初始化事件监听器
function initEventListeners() {
    // 搜索表单
    document.getElementById('search-form').addEventListener('submit', function(e) {
        e.preventDefault();
        currentPage = 1;
        loadTickets();
    });
    
    // 创建工单按钮
    document.getElementById('create-ticket-btn').addEventListener('click', function() {
        createTicket();
    });
}

// 加载工单列表
function loadTickets(page = 1) {
    const params = new URLSearchParams({
        page: page,
        per_page: 10
    });

    // 添加搜索参数
    const keyword = document.getElementById('search-keyword').value.trim();
    const status = document.getElementById('search-status').value;
    const priority = document.getElementById('search-priority').value;
    const product = document.getElementById('search-product').value.trim();

    if (keyword) params.append('keyword', keyword);
    if (status) params.append('status', status);
    if (priority) params.append('priority', priority);
    if (product) params.append('product', product);

    apiRequest(`/api/v1/tickets?${params}`)
        .then(data => {
            if (data.success) {
                renderTicketList(data.data.tickets);
                renderPagination(data.data.pagination);
            } else {
                showNotification(data.message || '加载工单列表失败', 'error');
            }
        })
        .catch(error => {
            console.error('Failed to load tickets:', error);
            showNotification('加载工单列表失败', 'error');
        });
}

// 渲染工单列表
function renderTicketList(tickets) {
    const tbody = document.getElementById('ticket-list');

    if (tickets.length === 0) {
        tbody.innerHTML = '<tr><td colspan="8" class="text-center text-muted">暂无数据</td></tr>';
        return;
    }

    tbody.innerHTML = tickets.map(ticket => `
        <tr>
            <td>
                <code>${ticket.ticket_id}</code>
            </td>
            <td>
                <a href="/tickets/${ticket.ticket_id}" class="text-decoration-none">
                    ${ticket.title}
                </a>
                ${ticket.reply_count > 0 ? `<span class="badge bg-primary ms-1">${ticket.reply_count}</span>` : ''}
            </td>
            <td>
                ${ticket.product_name || '-'}
            </td>
            <td>
                ${getPriorityBadge(ticket.priority)}
            </td>
            <td>
                <span class="badge ${getTicketStatusClass(ticket.status)}">
                    ${getTicketStatusText(ticket.status)}
                </span>
            </td>
            <td>
                <small>${formatDate(ticket.create_time)}</small>
            </td>
            <td>
                <small>${ticket.update_time ? formatDate(ticket.update_time) : '-'}</small>
            </td>
            <td>
                <div class="btn-group btn-group-sm" role="group">
                    <a href="/tickets/${ticket.ticket_id}" class="btn btn-outline-primary" title="查看">
                        <i class="fas fa-eye"></i>
                    </a>
                    ${ticket.status !== 3 ? `
                    <button type="button" class="btn btn-outline-warning btn-update"
                            data-ticket-id="${ticket.ticket_id}"
                            title="更新状态">
                        <i class="fas fa-edit"></i>
                    </button>
                    ` : ''}
                </div>
            </td>
        </tr>
    `).join('');

    // 绑定事件
    document.querySelectorAll('.btn-update').forEach(btn => {
        btn.addEventListener('click', function() {
            const ticketId = this.dataset.ticketId;
            updateTicketStatus(ticketId);
        });
    });
}

// 获取优先级徽章
function getPriorityBadge(priority) {
    const priorityMap = {
        0: '<span class="badge bg-secondary">低</span>',
        1: '<span class="badge bg-warning">中</span>',
        2: '<span class="badge bg-danger">高</span>'
    };
    return priorityMap[priority] || '<span class="badge bg-secondary">未知</span>';
}

// 获取工单状态文本
function getTicketStatusText(status) {
    const statusMap = {
        0: '待处理',
        1: '处理中',
        2: '已解决',
        3: '已关闭'
    };
    return statusMap[status] || '未知';
}

// 获取工单状态样式类
function getTicketStatusClass(status) {
    const classMap = {
        0: 'bg-secondary',
        1: 'bg-info',
        2: 'bg-success',
        3: 'bg-dark'
    };
    return classMap[status] || 'bg-secondary';
}

// 渲染分页
function renderPagination(pagination) {
    const paginationEl = document.getElementById('pagination');

    if (pagination.pages <= 1) {
        paginationEl.innerHTML = '';
        return;
    }

    let html = '';

    // 上一页
    if (pagination.has_prev) {
        html += `<li class="page-item">
                    <a class="page-link" href="#" data-page="${pagination.page - 1}">上一页</a>
                 </li>`;
    }

    // 页码
    const startPage = Math.max(1, pagination.page - 2);
    const endPage = Math.min(pagination.pages, pagination.page + 2);

    if (startPage > 1) {
        html += `<li class="page-item"><a class="page-link" href="#" data-page="1">1</a></li>`;
        if (startPage > 2) {
            html += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
        }
    }

    for (let i = startPage; i <= endPage; i++) {
        html += `<li class="page-item ${i === pagination.page ? 'active' : ''}">
                    <a class="page-link" href="#" data-page="${i}">${i}</a>
                 </li>`;
    }

    if (endPage < pagination.pages) {
        if (endPage < pagination.pages - 1) {
            html += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
        }
        html += `<li class="page-item"><a class="page-link" href="#" data-page="${pagination.pages}">${pagination.pages}</a></li>`;
    }

    // 下一页
    if (pagination.has_next) {
        html += `<li class="page-item">
                    <a class="page-link" href="#" data-page="${pagination.page + 1}">下一页</a>
                 </li>`;
    }

    paginationEl.innerHTML = html;

    // 绑定分页点击事件
    paginationEl.querySelectorAll('.page-link').forEach(link => {
        link.addEventListener('click', function(e) {
            e.preventDefault();
            const page = parseInt(this.dataset.page);
            if (page && page !== currentPage) {
                currentPage = page;
                loadTickets(page);
            }
        });
    });
}

// 创建工单
function createTicket() {
    // 获取表单数据
    const formData = {
        title: document.getElementById('ticket_title').value.trim(),
        product_id: document.getElementById('ticket_product').value,
        priority: parseInt(document.getElementById('ticket_priority').value),
        content: document.getElementById('ticket_content').value.trim()
    };

    // 基础验证
    if (!formData.title) {
        showNotification('请输入工单标题', 'warning');
        return;
    }

    if (!formData.content) {
        showNotification('请输入工单详细描述', 'warning');
        return;
    }

    // 发送请求
    apiRequest('/api/v1/tickets', {
        method: 'POST',
        body: JSON.stringify(formData)
    })
    .then(data => {
        if (data.success) {
            showNotification('工单创建成功', 'success');
            // 关闭模态框
            const modal = bootstrap.Modal.getInstance(document.getElementById('createTicketModal'));
            modal.hide();
            // 重置表单
            document.getElementById('create-ticket-form').reset();
            // 重新加载工单列表
            loadTickets(currentPage);
        } else {
            showNotification(data.message || '创建失败', 'error');
        }
    })
    .catch(error => {
        console.error('Failed to create ticket:', error);
        showNotification('网络错误，请稍后重试', 'error');
    });
}

// 更新工单状态
function updateTicketStatus(ticketId) {
    // 这里可以实现状态更新功能
    showNotification('功能开发中...', 'info');
}
</script>
{% endblock %}