{{template "head.tmpl" .}}

<style>
.camera-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.camera-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.camera-card.online {
    border-left: 4px solid #28a745;
}

.camera-card.offline {
    border-left: 4px solid #dc3545;
}

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}

.status-online {
    background: #d4edda;
    color: #155724;
}

.status-offline {
    background: #f8d7da;
    color: #721c24;
}

.api-controls {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.btn-group {
    margin: 5px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 4px;
    margin: 10px 0;
}

.success {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin: 10px 0;
}

.video-preview {
    width: 100%;
    height: 200px;
    background: #000;
    border-radius: 4px;
    margin: 10px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.api-response {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 15px;
    margin: 10px 0;
    font-family: monospace;
    font-size: 12px;
    max-height: 300px;
    overflow-y: auto;
}
</style>

<div class="content-header">
  <div class="container-fluid">
    <div class="row mb-2">
      <div class="col-sm-6">
        <h1 class="m-0 text-dark">API演示页面</h1>
      </div>
      <div class="col-sm-6">
        <ol class="breadcrumb float-sm-right">
          <li class="breadcrumb-item"><a href="/">首页</a></li>
          <li class="breadcrumb-item active">API演示</li>
        </ol>
      </div>
    </div>
  </div>
</div>

<div class="content">
  <div class="container-fluid">
    
    <!-- API控制面板 -->
    <div class="api-controls">
      <h4><i class="fas fa-code"></i> API控制面板</h4>
      <p class="text-muted">此页面演示如何通过JavaScript API与RTSPtoWeb服务交互，适用于Java项目集成参考。</p>
      
      <div class="row">
        <div class="col-md-6">
          <h5>摄像头管理</h5>
          <div class="btn-group">
            <button class="btn btn-primary" onclick="loadCamerasAPI()">获取摄像头列表</button>
            <button class="btn btn-info" onclick="refreshCamerasAPI()">刷新状态</button>
            <button class="btn btn-success" onclick="showAddCameraForm()">添加摄像头</button>
          </div>
        </div>
        <div class="col-md-6">
          <h5>流管理</h5>
          <div class="btn-group">
            <button class="btn btn-secondary" onclick="loadStreamsAPI()">获取流列表</button>
            <button class="btn btn-warning" onclick="clearDisplay()">清空显示</button>
            <button class="btn btn-dark" onclick="showAPIResponse()">显示API响应</button>
          </div>
        </div>
      </div>
    </div>

    <!-- 状态显示 -->
    <div id="status-message"></div>

    <!-- 摄像头列表 -->
    <div id="camera-display">
      <div class="loading">
        <i class="fas fa-info-circle"></i> 点击上方按钮开始API演示
      </div>
    </div>

    <!-- API响应显示 -->
    <div id="api-response-container" style="display: none;">
      <h4>API响应数据</h4>
      <pre id="api-response" class="api-response"></pre>
    </div>

    <!-- 添加摄像头表单 -->
    <div class="modal fade" id="addCameraModal" tabindex="-1">
      <div class="modal-dialog">
        <div class="modal-content">
          <div class="modal-header">
            <h5 class="modal-title">添加摄像头</h5>
            <button type="button" class="close" data-dismiss="modal">
              <span>&times;</span>
            </button>
          </div>
          <div class="modal-body">
            <form id="addCameraForm">
              <div class="form-group">
                <label>摄像头名称</label>
                <input type="text" class="form-control" id="cameraName" required>
              </div>
              <div class="form-group">
                <label>IP地址</label>
                <input type="text" class="form-control" id="cameraIP" required>
              </div>
              <div class="form-group">
                <label>端口</label>
                <input type="number" class="form-control" id="cameraPort" value="554">
              </div>
              <div class="form-group">
                <label>用户名</label>
                <input type="text" class="form-control" id="cameraUsername">
              </div>
              <div class="form-group">
                <label>密码</label>
                <input type="password" class="form-control" id="cameraPassword">
              </div>
              <div class="form-group">
                <label>RTSP URL</label>
                <input type="text" class="form-control" id="cameraRTSP" placeholder="rtsp://username:password@ip:port/stream">
              </div>
              <div class="form-group">
                <label>单位代码</label>
                <input type="text" class="form-control" id="cameraUnitCode">
              </div>
            </form>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-secondary" data-dismiss="modal">取消</button>
            <button type="button" class="btn btn-primary" onclick="addCameraAPI()">添加</button>
          </div>
        </div>
      </div>
    </div>

  </div>
</div>

<script>
// API演示脚本
let lastAPIResponse = null;

// 显示状态消息
function showStatus(message, type = 'info') {
    const statusDiv = document.getElementById('status-message');
    const alertClass = type === 'error' ? 'error' : (type === 'success' ? 'success' : 'alert alert-info');
    statusDiv.innerHTML = `<div class="${alertClass}">${message}</div>`;
    
    // 3秒后自动清除
    setTimeout(() => {
        statusDiv.innerHTML = '';
    }, 3000);
}

// 加载摄像头列表
async function loadCamerasAPI() {
    try {
        showStatus('正在获取摄像头列表...', 'info');
        
        const response = await fetch('/cameras');
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${response.statusText}`);
        }
        
        const data = await response.json();
        lastAPIResponse = data;
        
        if (data.cameras && data.cameras.length > 0) {
            displayCameras(data.cameras);
            showStatus(`成功获取 ${data.cameras.length} 个摄像头`, 'success');
        } else {
            showEmptyState('暂无摄像头数据');
            showStatus('摄像头列表为空', 'info');
        }
    } catch (error) {
        console.error('获取摄像头失败:', error);
        showStatus(`获取摄像头失败: ${error.message}`, 'error');
        showEmptyState('获取摄像头失败');
    }
}

// 加载流列表
async function loadStreamsAPI() {
    try {
        showStatus('正在获取流列表...', 'info');
        
        const response = await fetch('/streams');
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${response.statusText}`);
        }
        
        const data = await response.json();
        lastAPIResponse = data;
        
        if (data.status === 1 && data.payload) {
            const streams = Object.entries(data.payload).map(([key, value]) => ({
                id: key,
                ...value
            }));
            displayStreams(streams);
            showStatus(`成功获取 ${streams.length} 个视频流`, 'success');
        } else {
            showEmptyState('暂无流数据');
            showStatus('流列表为空', 'info');
        }
    } catch (error) {
        console.error('获取流列表失败:', error);
        showStatus(`获取流列表失败: ${error.message}`, 'error');
        showEmptyState('获取流列表失败');
    }
}

// 刷新摄像头状态
async function refreshCamerasAPI() {
    try {
        showStatus('正在刷新摄像头状态...', 'info');
        
        const response = await fetch('/cameras/refresh', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({})
        });
        
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${response.statusText}`);
        }
        
        const data = await response.json();
        lastAPIResponse = data;
        
        showStatus('摄像头状态刷新成功', 'success');
        
        // 重新加载摄像头列表
        setTimeout(() => {
            loadCamerasAPI();
        }, 1000);
    } catch (error) {
        console.error('刷新摄像头状态失败:', error);
        showStatus(`刷新失败: ${error.message}`, 'error');
    }
}

// 显示摄像头列表
function displayCameras(cameras) {
    const container = document.getElementById('camera-display');
    container.innerHTML = '<h4><i class="fas fa-camera"></i> 摄像头列表</h4>';
    
    const grid = document.createElement('div');
    grid.className = 'camera-grid';
    
    cameras.forEach(camera => {
        const card = createCameraCard(camera);
        grid.appendChild(card);
    });
    
    container.appendChild(grid);
}

// 显示流列表
function displayStreams(streams) {
    const container = document.getElementById('camera-display');
    container.innerHTML = '<h4><i class="fas fa-video"></i> 视频流列表</h4>';
    
    const grid = document.createElement('div');
    grid.className = 'camera-grid';
    
    streams.forEach(stream => {
        const card = createStreamCard(stream);
        grid.appendChild(card);
    });
    
    container.appendChild(grid);
}

// 创建摄像头卡片
function createCameraCard(camera) {
    const card = document.createElement('div');
    const statusClass = camera.status === 'online' ? 'online' : 'offline';
    const statusBadgeClass = camera.status === 'online' ? 'status-online' : 'status-offline';
    
    card.className = `camera-card ${statusClass}`;
    card.innerHTML = `
        <h5>${camera.name || camera.camera_name || '未命名摄像头'}</h5>
        <div class="mb-2">
            <span class="status-badge ${statusBadgeClass}">${camera.status === 'online' ? '在线' : '离线'}</span>
            ${camera.enabled ? '<span class="badge badge-success ml-1">已启用</span>' : '<span class="badge badge-warning ml-1">已禁用</span>'}
        </div>
        <div class="video-preview">
            <i class="fas fa-video fa-2x"></i>
        </div>
        <p><strong>IP:</strong> ${camera.ip}</p>
        <p><strong>类型:</strong> ${camera.device_type || '网络摄像头'}</p>
        ${camera.unit_code ? `<p><strong>单位:</strong> ${camera.unit_code}</p>` : ''}
        <div class="btn-group-vertical w-100">
            <button class="btn btn-sm btn-info" onclick="playCamera('${camera.id || camera.camera_id}', 'hls')">HLS播放</button>
            <button class="btn btn-sm btn-success" onclick="playCamera('${camera.id || camera.camera_id}', 'webrtc')">WebRTC播放</button>
            <button class="btn btn-sm btn-warning" onclick="getCameraDetails('${camera.id || camera.camera_id}')">查看详情</button>
        </div>
    `;
    
    return card;
}

// 创建流卡片
function createStreamCard(stream) {
    const card = document.createElement('div');
    card.className = 'camera-card online';
    
    const channelCount = Object.keys(stream.channels || {}).length;
    
    card.innerHTML = `
        <h5>${stream.name || '未命名流'}</h5>
        <div class="mb-2">
            <span class="status-badge status-online">活跃</span>
            <span class="badge badge-info ml-1">${channelCount} 通道</span>
        </div>
        <div class="video-preview">
            <i class="fas fa-play-circle fa-2x"></i>
        </div>
        <p><strong>流ID:</strong> ${stream.id}</p>
        <div class="btn-group-vertical w-100">
            <button class="btn btn-sm btn-info" onclick="playStream('${stream.id}', 'hls')">HLS播放</button>
            <button class="btn btn-sm btn-success" onclick="playStream('${stream.id}', 'webrtc')">WebRTC播放</button>
            <button class="btn btn-sm btn-primary" onclick="playStream('${stream.id}', 'all')">通用播放</button>
        </div>
    `;
    
    return card;
}

// 播放摄像头
function playCamera(cameraId, type) {
    const url = getPlayUrl(cameraId, 0, type);
    window.open(url, '_blank');
    showStatus(`正在打开 ${type.toUpperCase()} 播放器...`, 'info');
}

// 播放流
function playStream(streamId, type) {
    const url = getPlayUrl(streamId, 0, type);
    window.open(url, '_blank');
    showStatus(`正在打开 ${type.toUpperCase()} 播放器...`, 'info');
}

// 获取播放URL
function getPlayUrl(id, channel = 0, type = 'hls') {
    const baseUrl = window.location.origin;
    switch (type.toLowerCase()) {
        case 'hls':
            return `${baseUrl}/stream/${id}/channel/${channel}/hls/live/index.m3u8`;
        case 'webrtc':
            return `${baseUrl}/pages/player/webrtc/${id}/${channel}`;
        case 'mse':
            return `${baseUrl}/pages/player/mse/${id}/${channel}`;
        default:
            return `${baseUrl}/pages/player/all/${id}/${channel}`;
    }
}

// 获取摄像头详情
async function getCameraDetails(cameraId) {
    try {
        const response = await fetch(`/camera/${cameraId}`);
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${response.statusText}`);
        }
        
        const camera = await response.json();
        lastAPIResponse = camera;
        
        alert(`摄像头详情:\n名称: ${camera.name}\nIP: ${camera.ip}\n状态: ${camera.status}\n创建时间: ${camera.created_at}`);
    } catch (error) {
        showStatus(`获取摄像头详情失败: ${error.message}`, 'error');
    }
}

// 显示添加摄像头表单
function showAddCameraForm() {
    $('#addCameraModal').modal('show');
}

// 添加摄像头
async function addCameraAPI() {
    try {
        const formData = {
            name: document.getElementById('cameraName').value,
            ip: document.getElementById('cameraIP').value,
            port: parseInt(document.getElementById('cameraPort').value) || 554,
            username: document.getElementById('cameraUsername').value,
            password: document.getElementById('cameraPassword').value,
            rtsp_url: document.getElementById('cameraRTSP').value,
            unit_code: document.getElementById('cameraUnitCode').value,
            enabled: true
        };
        
        if (!formData.name || !formData.ip) {
            showStatus('请填写摄像头名称和IP地址', 'error');
            return;
        }
        
        const response = await fetch('/camera/add', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(formData)
        });
        
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${response.statusText}`);
        }
        
        const result = await response.json();
        lastAPIResponse = result;
        
        $('#addCameraModal').modal('hide');
        document.getElementById('addCameraForm').reset();
        
        showStatus('摄像头添加成功', 'success');
        
        // 重新加载摄像头列表
        setTimeout(() => {
            loadCamerasAPI();
        }, 1000);
    } catch (error) {
        showStatus(`添加摄像头失败: ${error.message}`, 'error');
    }
}

// 显示空状态
function showEmptyState(message) {
    const container = document.getElementById('camera-display');
    container.innerHTML = `
        <div class="loading">
            <i class="fas fa-info-circle"></i> ${message}
        </div>
    `;
}

// 清空显示
function clearDisplay() {
    const container = document.getElementById('camera-display');
    container.innerHTML = `
        <div class="loading">
            <i class="fas fa-info-circle"></i> 显示已清空
        </div>
    `;
    document.getElementById('api-response-container').style.display = 'none';
    showStatus('显示已清空', 'info');
}

// 显示API响应
function showAPIResponse() {
    if (lastAPIResponse) {
        document.getElementById('api-response').textContent = JSON.stringify(lastAPIResponse, null, 2);
        document.getElementById('api-response-container').style.display = 'block';
        showStatus('API响应数据已显示', 'info');
    } else {
        showStatus('暂无API响应数据', 'error');
    }
}

// 页面加载完成后的初始化
document.addEventListener('DOMContentLoaded', function() {
    showStatus('API演示页面已加载，点击上方按钮开始测试', 'info');
});
</script>

{{template "foot.tmpl" .}}