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

{% block content %}
<!-- 搜索表单 -->
<div class="card shadow mb-4">
    <div class="card-body">
        <form id="search-form" class="row g-3">
            <div class="col-md-3">
                <label for="search-keyword" class="form-label">关键词搜索</label>
                <input type="text" class="form-control" id="search-keyword" placeholder="工单标题">
            </div>
            <div class="col-md-2">
                <label for="search-status" class="form-label">状态</label>
                <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">
                <label for="search-priority" class="form-label">优先级</label>
                <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">
                <label for="search-product" class="form-label">产品</label>
                <input type="text" class="form-control" id="search-product" placeholder="产品ID">
            </div>
            <div class="col-md-2 d-flex align-items-end">
                <div class="btn-group" role="group">
                    <button type="submit" class="btn btn-primary">
                        <i class="fas fa-search me-2"></i>搜索
                    </button>
                    <button type="button" class="btn btn-outline-secondary" id="reset-search">
                        <i class="fas fa-undo me-2"></i>重置
                    </button>
                </div>
            </div>
        </form>
    </div>
</div>

<!-- 批量操作栏 -->
<div class="card shadow mb-4">
    <div class="card-body">
        <div class="d-flex justify-content-between align-items-center">
            <div>
                <div class="btn-group btn-group-sm" id="batch-status-btn" style="display: none;">
                    <button type="button" class="btn btn-outline-secondary" id="batch-pending-btn">
                        <i class="fas fa-clock me-1"></i>批量待处理
                    </button>
                    <button type="button" class="btn btn-outline-info" id="batch-processing-btn">
                        <i class="fas fa-cog me-1"></i>批量处理中
                    </button>
                    <button type="button" class="btn btn-outline-success" id="batch-resolved-btn">
                        <i class="fas fa-check-circle me-1"></i>批量已解决
                    </button>
                    <button type="button" class="btn btn-outline-dark" id="batch-closed-btn">
                        <i class="fas fa-times-circle me-1"></i>批量已关闭
                    </button>
                </div>
            </div>
            <div class="text-muted small">
                <span id="selected-count">已选择 0 项</span>
            </div>
        </div>
    </div>
</div>

<!-- 工单列表 -->
<div class="card shadow">
    <div class="card-body">
        <div class="table-responsive">
            <table class="table table-hover">
                <thead class="table-light">
                    <tr>
                        <th width="50">
                            <input type="checkbox" id="select-all-checkbox" class="form-check-input">
                        </th>
                        <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>更新时间</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody id="ticket-list">
                    <tr>
                        <td colspan="9" class="text-center text-muted">加载中...</td>
                    </tr>
                </tbody>
            </table>
        </div>
        
        <!-- 分页 -->
        <nav aria-label="分页导航">
            <ul class="pagination justify-content-center mb-0" id="pagination">
            </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" required>
                    </div>
                    
                    <div class="row mb-3">
                        <div class="col-md-6">
                            <label for="ticket_product" class="form-label">产品</label>
                            <input type="text" class="form-control" id="ticket_product" placeholder="产品ID">
                        </div>
                        <div class="col-md-6">
                            <label for="ticket_priority" class="form-label">优先级</label>
                            <select class="form-select" id="ticket_priority">
                                <option value="0">低</option>
                                <option value="1" selected>中</option>
                                <option value="2">高</option>
                            </select>
                        </div>
                    </div>
                    
                    <div class="mb-3">
                        <label for="ticket_content" class="form-label">详细描述 *</label>
                        <textarea class="form-control" id="ticket_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="submit-create-ticket">创建工单</button>
            </div>
        </div>
    </div>
</div>

<!-- 批量更新状态模态框 -->
<div class="modal fade" id="batchUpdateStatusModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">批量更新工单状态</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <p>确定要将选中的 <strong id="batch-update-count"></strong> 个工单状态更新为 <strong id="batch-update-status-text"></strong> 吗？</p>
                
                <div class="mb-3">
                    <label for="batch-update-remark" class="form-label">备注</label>
                    <textarea class="form-control" id="batch-update-remark" rows="3" placeholder="请输入备注信息"></textarea>
                </div>
            </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="confirm-batch-update">确定更新</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

<script>
let currentPage = 1;
let batchUpdateStatus = null; // 用于存储批量更新的状态

// 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();
    });
    
    // 重置搜索
    document.getElementById('reset-search').addEventListener('click', function() {
        document.getElementById('search-keyword').value = '';
        document.getElementById('search-status').value = '';
        document.getElementById('search-priority').value = '';
        document.getElementById('search-product').value = '';
        currentPage = 1;
        loadTickets();
    });

    // 创建工单按钮
    document.getElementById('submit-create-ticket').addEventListener('click', function() {
        createTicket();
    });

    // 全选/取消全选
    document.getElementById('select-all-checkbox').addEventListener('change', function() {
        const checkboxes = document.querySelectorAll('.ticket-checkbox');
        checkboxes.forEach(checkbox => {
            checkbox.checked = this.checked;
        });
        updateBatchButtons();
    });

    // 批量设为待处理
    document.getElementById('batch-pending-btn').addEventListener('click', function(e) {
        e.preventDefault();
        showBatchUpdateStatusModal(0, '待处理');
    });

    // 批量设为处理中
    document.getElementById('batch-processing-btn').addEventListener('click', function(e) {
        e.preventDefault();
        showBatchUpdateStatusModal(1, '处理中');
    });

    // 批量设为已解决
    document.getElementById('batch-resolved-btn').addEventListener('click', function(e) {
        e.preventDefault();
        showBatchUpdateStatusModal(2, '已解决');
    });

    // 批量设为已关闭
    document.getElementById('batch-closed-btn').addEventListener('click', function(e) {
        e.preventDefault();
        showBatchUpdateStatusModal(3, '已关闭');
    });

    // 确认批量更新
    document.getElementById('confirm-batch-update').addEventListener('click', function() {
        batchUpdateTicketStatus();
    });
}

// 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_id', 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="9" class="text-center text-muted">暂无数据</td></tr>';
        return;
    }

    tbody.innerHTML = tickets.map(ticket => `
        <tr>
            <td>
                <input type="checkbox" class="ticket-checkbox" data-ticket-id="${ticket.ticket_id}">
            </td>
            <td>
                <code>${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);
        });
    });

    // 绑定复选框事件
    document.querySelectorAll('.ticket-checkbox').forEach(checkbox => {
        checkbox.addEventListener('change', updateBatchButtons);
    });

    // 重置全选复选框
    document.getElementById('select-all-checkbox').checked = false;
    updateBatchButtons();
}

// 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');
}

// 更新批量操作按钮状态
function updateBatchButtons() {
    const selectedCount = document.querySelectorAll('.ticket-checkbox:checked').length;
    const batchStatusBtn = document.getElementById('batch-status-btn');
    
    if (selectedCount > 0) {
        batchStatusBtn.style.display = 'inline-block';
    } else {
        batchStatusBtn.style.display = 'none';
    }
    
    // 更新选中数量显示
    document.getElementById('selected-count').textContent = `已选择 ${selectedCount} 项`;
}

// 显示批量更新状态模态框
function showBatchUpdateStatusModal(status, statusText) {
    const selectedCount = document.querySelectorAll('.ticket-checkbox:checked').length;
    if (selectedCount === 0) {
        showNotification('请至少选择一个工单', 'warning');
        return;
    }

    batchUpdateStatus = status;
    document.getElementById('batch-update-count').textContent = selectedCount;
    document.getElementById('batch-update-status-text').textContent = statusText;
    document.getElementById('batch-update-remark').value = '';

    const modal = new bootstrap.Modal(document.getElementById('batchUpdateStatusModal'));
    modal.show();
}

// 批量更新工单状态
function batchUpdateTicketStatus() {
    const selectedCheckboxes = document.querySelectorAll('.ticket-checkbox:checked');
    const ticketIds = Array.from(selectedCheckboxes).map(checkbox => parseInt(checkbox.dataset.ticketId));
    const remark = document.getElementById('batch-update-remark').value.trim();
    
    if (ticketIds.length === 0) {
        showNotification('请至少选择一个工单', 'warning');
        return;
    }

    if (batchUpdateStatus === null) {
        showNotification('请选择要更新的状态', 'warning');
        return;
    }

    apiRequest('/api/v1/tickets/batch/status', {
        method: 'PUT',
        body: JSON.stringify({ 
            ticket_ids: ticketIds,
            status: batchUpdateStatus,
            remark: remark
        })
    })
    .then(data => {
        if (data.success) {
            showNotification(data.message || '批量更新状态成功', 'success');
            loadTickets(currentPage);

            // 关闭模态框
            const modal = bootstrap.Modal.getInstance(document.getElementById('batchUpdateStatusModal'));
            modal.hide();

            // 重置全选复选框
            document.getElementById('select-all-checkbox').checked = false;
        } else {
            showNotification(data.message || '批量更新状态失败', 'error');
        }
    })
    .catch(error => {
        console.error('Failed to batch update ticket status:', error);
        showNotification('批量更新状态失败', 'error');
    });
}
</script>