{% extends "base.html" %}

{% block title %}设备管理 - 软件授权管理系统{% endblock %}

{% block page_title %}设备管理{% 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="搜索设备信息...">
            </div>
            <div class="col-md-2">
                <select class="form-select" id="search-status">
                    <option value="">全部状态</option>
                    <option value="0">离线</option>
                    <option value="1">在线</option>
                    <option value="2">禁用</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">
                <input type="text" class="form-control" id="search-license" placeholder="卡密...">
            </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>

<!-- 设备列表 -->
<div class="card shadow">
    <div class="card-body">
        <div class="table-responsive">
            <table class="table table-hover">
                <thead>
                    <tr>
                        <th>设备ID</th>
                        <th>产品/卡密</th>
                        <th>机器码</th>
                        <th>IP地址</th>
                        <th>状态</th>
                        <th>激活时间</th>
                        <th>最后在线</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody id="device-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="设备列表分页">
            <ul class="pagination justify-content-center" id="pagination">
                <!-- 分页将通过JavaScript动态生成 -->
            </ul>
        </nav>
    </div>
</div>
{% endblock %}

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

// 页面加载完成后初始化
document.addEventListener('DOMContentLoaded', function() {
    // 从URL参数中读取筛选条件
    const urlParams = new URLSearchParams(window.location.search);
    if (urlParams.has('product_id')) {
        document.getElementById('search-product').value = urlParams.get('product_id');
    }
    if (urlParams.has('software_version')) {
        // 这里可以添加版本筛选，但当前UI没有对应的输入框
    }
    if (urlParams.has('status')) {
        document.getElementById('search-status').value = urlParams.get('status');
    }
    
    loadDevices();
    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;
        loadDevices();
    });
}

// 加载设备列表
function loadDevices(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 product = document.getElementById('search-product').value.trim();
    const license = document.getElementById('search-license').value.trim();
    
    // 从URL参数中读取额外的筛选条件
    const urlParams = new URLSearchParams(window.location.search);
    const productId = urlParams.get('product_id');
    const softwareVersion = urlParams.get('software_version');

    if (keyword) params.append('keyword', keyword);
    if (status) params.append('status', status);
    if (product) params.append('product', product);
    if (license) params.append('license', license);
    if (productId) params.append('product_id', productId);
    if (softwareVersion) params.append('software_version', softwareVersion);

    apiRequest(`/api/v1/devices?${params}`)
        .then(data => {
            if (data.success) {
                renderDeviceList(data.data.devices);
                renderPagination(data.data.pagination);
            } else {
                showNotification(data.message || '加载设备列表失败', 'error');
            }
        })
        .catch(error => {
            console.error('Failed to load devices:', error);
            showNotification('加载设备列表失败', 'error');
        });
}

// 渲染设备列表
function renderDeviceList(devices) {
    const tbody = document.getElementById('device-list');

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

    tbody.innerHTML = devices.map(device => `
        <tr>
            <td>
                <code>${String(device.device_id).substring(0, 8)}...</code>
                <br><small class="text-muted">${device.device_id}</small>
            </td>
            <td>
                ${device.product_name || '-'}
                <br><small class="text-muted">${device.license_key ? device.license_key.substring(0, 16) + '...' : '-'}</small>
            </td>
            <td>
                <code>${device.machine_code || '-'}</code>
            </td>
            <td>
                -
            </td>
            <td>
                <span class="badge ${getDeviceStatusClass(device.status)}">
                    ${getDeviceStatusText(device.status)}
                </span>
            </td>
            <td>
                <small>${device.activate_time ? formatDate(device.activate_time) : '-'}</small>
            </td>
            <td>
                <small>${device.last_verify_time ? formatDate(device.last_verify_time) : '-'}</small>
            </td>
            <td>
                <div class="btn-group btn-group-sm" role="group">
                    <button type="button" class="btn btn-outline-primary btn-detail"
                            data-device-id="${device.device_id}"
                            title="详情">
                        <i class="fas fa-eye"></i>
                    </button>
                    ${device.status === 1 ? `
                    <button type="button" class="btn btn-outline-warning btn-disable"
                            data-device-id="${device.device_id}"
                            title="禁用">
                        <i class="fas fa-ban"></i>
                    </button>
                    ` : device.status === 2 ? `
                    <button type="button" class="btn btn-outline-success btn-enable"
                            data-device-id="${device.device_id}"
                            title="启用">
                        <i class="fas fa-check"></i>
                    </button>
                    ` : ''}
                    <button type="button" class="btn btn-outline-danger btn-delete"
                            data-device-id="${device.device_id}"
                            title="删除">
                        <i class="fas fa-trash"></i>
                    </button>
                </div>
            </td>
        </tr>
    `).join('');

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

    document.querySelectorAll('.btn-disable').forEach(btn => {
        btn.addEventListener('click', function() {
            const deviceId = this.dataset.deviceId;
            updateDeviceStatus(deviceId, 2); // 禁用
        });
    });

    document.querySelectorAll('.btn-enable').forEach(btn => {
        btn.addEventListener('click', function() {
            const deviceId = this.dataset.deviceId;
            updateDeviceStatus(deviceId, 1); // 启用
        });
    });

    document.querySelectorAll('.btn-delete').forEach(btn => {
        btn.addEventListener('click', function() {
            const deviceId = this.dataset.deviceId;
            deleteDevice(deviceId);
        });
    });
}

// 获取设备状态文本
function getDeviceStatusText(status) {
    const statusMap = {
        0: '离线',
        1: '在线',
        2: '禁用'
    };
    return statusMap[status] || '未知';
}

// 获取设备状态样式类
function getDeviceStatusClass(status) {
    const classMap = {
        0: 'bg-secondary',
        1: 'bg-success',
        2: 'bg-danger'
    };
    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;
                loadDevices(page);
            }
        });
    });
}

// 显示设备详情
function showDeviceDetail(deviceId) {
    // 这里可以实现详情弹窗或跳转到详情页
    showNotification('功能开发中...', 'info');
}

// 更新设备状态
function updateDeviceStatus(deviceId, status) {
    const action = status === 1 ? '启用' : '禁用';
    
    if (!confirm(`确定要${action}设备 ${deviceId} 吗？`)) {
        return;
    }

    apiRequest(`/api/v1/devices/${deviceId}/status`, {
        method: 'PUT',
        body: JSON.stringify({ status: status })
    })
    .then(data => {
        if (data.success) {
            showNotification(`${action}成功`, 'success');
            loadDevices(currentPage);
        } else {
            showNotification(data.message || `${action}失败`, 'error');
        }
    })
    .catch(error => {
        console.error('Failed to update device status:', error);
        showNotification(`${action}失败`, 'error');
    });
}

// 删除设备
function deleteDevice(deviceId) {
    if (!confirm(`确定要删除设备 ${deviceId} 吗？`)) {
        return;
    }

    apiRequest(`/api/v1/devices/${deviceId}`, {
        method: 'DELETE'
    })
    .then(data => {
        if (data.success) {
            showNotification('删除成功', 'success');
            loadDevices(currentPage);
        } else {
            showNotification(data.message || '删除失败', 'error');
        }
    })
    .catch(error => {
        console.error('Failed to delete device:', error);
        showNotification('删除失败', 'error');
    });
}
</script>
{% endblock %}