// 在 preload 脚本中。
const { ipcRenderer, contextBridge } = require('electron')
const {
  createAgoraRtcEngine,
  ClientRoleType,
  VideoSourceType,
  VideoViewSetupMode,
  ScreenCaptureSourceType,
  RenderModeType,
  ChannelProfileType
} = require("agora-electron-sdk");
const agoraAonfig = require('./src/utils/package/agoraConfig');
const { message } = require('antd');
const rtcEngine = createAgoraRtcEngine();
rtcEngine.initialize({
  appId: agoraAonfig.appid,
});

let videoID = '';
const getDom = () => {
  return document.getElementById(videoID);
}

const EventHandles = {
  // 监听本地用户加入频道事件
  onJoinChannelSuccess: ({ channelId, localUid }, elapsed) => {
    console.log({ channelId, localUid });
    // 本地用户加入频道后，设置本地视频窗口
    rtcEngine.setupLocalVideo({
      renderMode: RenderModeType.RenderModeFit,
      sourceType: VideoSourceType.VideoSourceScreen,
      // sourceType: VideoSourceType.VideoSourceCameraPrimary,
      uid: localUid,
      view: getDom(),
      setupMode: VideoViewSetupMode.VideoViewSetupAdd,
    });
  },
  // 监听远端用户加入频道事件
  onUserJoined: ({ channelId, localUid }, remoteUid, elapsed) => {
    // 远端用户加入频道后，设置远端视频窗口
    rtcEngine.setupRemoteVideo(
      {
        renderMode: RenderModeType.RenderModeFit,
        sourceType: VideoSourceType.VideoSourceRemote,
        uid: remoteUid,
        view: getDom(),
        setupMode: VideoViewSetupMode.VideoViewSetupAdd,
      },
      { channelId },
    );

  },
  // 监听用户离开频道事件
  onUserOffline: ({ channelId, localUid }, remoteUid, reason) => {
    // 远端用户离开频道后，关闭远端视频窗口
    rtcEngine.setupRemoteVideo(
      {
        renderMode: RenderModeType.RenderModeFit,
        sourceType: VideoSourceType.VideoSourceRemote,
        uid: remoteUid,
        view: getDom(),
        setupMode: VideoViewSetupMode.VideoViewSetupRemove,
      },
    );
  },
  // 用户音量提示回调。
  onAudioVolumeIndication: (connection, speakers, speakerNumber, totalVolume) => {
    const percentage = (totalVolume / 255) * 100
    if (document.getElementById('recordingDeviceTest')) {
      document.getElementById('recordingDeviceTest').style.width = `${percentage}%`
    }
  }
};
rtcEngine.registerEventHandler(EventHandles);

contextBridge.exposeInMainWorld(
  'electron',
  {
    // 桌面捕获音频和视频的媒体源的信息
    getDesktopCapturerVideo: async () => {
      return rtcEngine.getScreenCaptureSources({ width: 300, height: 300 }, { width: 300, height: 300 }, true);
    },

    // 共享屏幕采集
    setDesktopCapturerVideo: (targetSource) => {
      rtcEngine.stopScreenCapture()
      if (
        targetSource.type ===
        ScreenCaptureSourceType.ScreencapturesourcetypeScreen
      ) {
        rtcEngine.startScreenCaptureByDisplayId(
          targetSource.sourceId,
          {},
          {
            windowFocus: true,
            enableHighLight: true,
            highLightColor: 0xFF99CC00,
          }
        );
      } else {
        rtcEngine.startScreenCaptureByWindowId(
          targetSource.sourceId,
          {},
          {
            windowFocus: true,
            enableHighLight: true,
            highLightColor: 0xFF99CC00,
          }
        );
      }
      videoID = `vidoe-${123}-${agoraAonfig.channelId}`;
      rtcEngine.joinChannelEx(agoraAonfig.token, {
        channelId: agoraAonfig.channelId,
        localUid: 123,
      }, {
        autoSubscribeAudio: true, //设置是否自动订阅所有音频流
        autoSubscribeVideo: true, //设置是否自动订阅所有视频流
        publishMicrophoneTrack: false, //设置是否发布麦克风采集到的音频
        publishCameraTrack: false, //设置是否发布摄像头采集的视频
        clientRoleType: ClientRoleType.ClientRoleBroadcaster, //用户角色 1主播 2观众
        publishScreenTrack: true, //设置是否发布屏幕采集的视频
      });
    },
    // 摄像头采集
    setCameraCapture: () => {
      rtcEngine.startCameraCapture(VideoSourceType.VideoSourceCamera, {})
      videoID = `vidoe-${123}-${agoraAonfig.channelId}`;
      rtcEngine.joinChannelEx(agoraAonfig.token, {
        channelId: agoraAonfig.channelId,
        localUid: 123,
      }, {
        channelProfile: ChannelProfileType.ChannelProfileLiveBroadcasting, //设置频道场景为直播场景
        clientRoleType: ClientRoleType.ClientRoleBroadcaster, //设置用户角色为主播；如果要将用户角色设置为观众，保持默认值即可
        publishMicrophoneTrack: true, //发布麦克风采集的音频
        publishCameraTrack: true, //发布摄像头采集的视频
        autoSubscribeAudio: true, //自动订阅所有音频流
        autoSubscribeVideo: true, //自动订阅所有视频流
        publishScreenTrack: false, //设置是否发布屏幕采集的视频
      });
    },
    // 加入频道
    setJoinChannel: () => {
      videoID = `vidoe-${234}-${agoraAonfig.channelId}`;
      rtcEngine.joinChannelEx(agoraAonfig.token, {
        channelId: agoraAonfig.channelId,
        localUid: 234,
      }, {
        autoSubscribeAudio: true, //设置是否自动订阅所有音频流
        autoSubscribeVideo: true, //设置是否自动订阅所有视频流
        publishMicrophoneTrack: false, //设置是否发布麦克风采集到的音频
        publishCameraTrack: false, //设置是否发布摄像头采集的视频
        clientRoleType: ClientRoleType.ClientRoleAudience, //用户角色 1主播 2观众
        publishScreenTrack: true, //设置是否发布屏幕采集的视频
      });
    },
    // 获取当前生成的视频id
    getVideoId: () => {
      return videoID;
    },
    // 获取音频设备列表
    getAudioMediaList: () => {
      return {
        currentDevice: rtcEngine.getAudioDeviceManager().getRecordingDefaultDevice(),
        currentDevices: rtcEngine.getAudioDeviceManager().enumerateRecordingDevices(),
        currentVolume: rtcEngine.getAudioDeviceManager().getRecordingDeviceVolume()
      }
    },
    // 设置音频设备音量
    setRecordingDeviceVolume: (volume) => {
      rtcEngine.getAudioDeviceManager().setRecordingDeviceVolume(volume)
    },
    // 设置音频采集设备
    setRecordingDevice: (deviceId) => {
      rtcEngine.getAudioDeviceManager().setRecordingDevice(deviceId)
    },
    // 启动音频采集设备测试
    startRecordingDeviceTest: (indicationInterval) => {
      rtcEngine.getAudioDeviceManager().startRecordingDeviceTest(indicationInterval)
      navigator.mediaDevices.getUserMedia({ audio: true })
        .then((stream) => {
          let dom = document.getElementById('startAudio');
          dom.srcObject = stream;
          dom.play()
        })
        .catch((error) => {
          message.error('无法获取麦克风!');
        });
    },
    // 停止音频设备回路测试
    stopAudioDeviceLoopbackTest: () => {
      rtcEngine.getAudioDeviceManager().stopAudioDeviceLoopbackTest()
      rtcEngine.getAudioDeviceManager().stopRecordingDeviceTest()
      let video = document.getElementById('startPreview');
      if (video.srcObject) {
        const tracks = video.srcObject.getTracks();
        tracks.forEach((track) => {
          track.stop();
        });
        video.srcObject = null;
      }
      let audio = document.getElementById('startAudio');
      if (audio.srcObject) {
        const tracks = audio.srcObject.getTracks();
        tracks.forEach((track) => {
          track.stop();
        });
        audio.srcObject = null;
      }
    },
    // 开启本地视频预览
    startPreview: async () => {
      return new Promise((resolve, reject) => {
        navigator.mediaDevices.getUserMedia({
          video: true,
          audio: true,
        }).then((stream) => {
          let dom = document.getElementById('startPreview');
          dom.srcObject = stream;
          dom.play()
          resolve(true)
        }).catch((error) => {
          message.error('无法获取摄像头!');
          resolve(true)
        });
      })

    },
    // 设置窗口大小
    setMainWindowSize: (config) => {
      ipcRenderer.invoke('setMainWindowSize', { ...config })
    },
    // 设置窗口状态
    setViewStatus: (status) => {
      ipcRenderer.invoke('setViewStatus', status)
    },
    // 获取当前是否全屏
    getIsMaximized: () => {
      return ipcRenderer.invoke('getIsMaximized')
    }
  }
)