Vision Sense

async function publishVideo(client: IAgoraRTCClient) {
  // Create a camera video track
  const videoTrack = await AgoraRTC.createCameraVideoTrack();
  
  try {
    // Publish the video track to the channel
    await client.publish(videoTrack);
    console.log("Video publishing successful");
    
    return videoTrack;
  } catch (error) {
    console.error("Error publishing video:", error);
    throw error;
  }
}

// Example usage with video controls
async function setupVideoInteraction(client: IAgoraRTCClient) {
  let videoTrack;
  
  // Start video
  async function startVideo() {
    try {
      videoTrack = await publishVideo(client);
      // Play the local video in a specific HTML element
      videoTrack.play('local-video-container');
    } catch (error) {
      console.error("Failed to start video:", error);
    }
  }

  // Stop video
  async function stopVideo() {
    if (videoTrack) {
      // Stop and close the video track
      videoTrack.stop();
      videoTrack.close();
      await client.unpublish(videoTrack);
      videoTrack = null;
    }
  }

  // Enable/disable video
  function toggleVideo(enabled: boolean) {
    if (videoTrack) {
      videoTrack.setEnabled(enabled);
    }
  }

  // Switch camera (if multiple cameras are available)
  async function switchCamera(deviceId: string) {
    if (videoTrack) {
      await videoTrack.setDevice(deviceId);
    }
  }

  return {
    startVideo,
    stopVideo,
    toggleVideo,
    switchCamera
  };
}