import {
  ConsoleLogger,
  DefaultDeviceController,
  DefaultMeetingSession,
  LogLevel,
  MeetingSessionConfiguration
} from 'amazon-chime-sdk-js';

const logger = new ConsoleLogger('MyLogger', LogLevel.INFO);
const deviceController = new DefaultDeviceController(logger);

// You need responses from server-side Chime API. See below for details.
const meetingResponse = /* The response from the CreateMeeting API action */;
const attendeeResponse = /* The response from the CreateAttendee or BatchCreateAttendee API action */;
const configuration = new MeetingSessionConfiguration(meetingResponse, attendeeResponse);

// In the usage examples below, you will use this meetingSession object.
const meetingSession = new DefaultMeetingSession(
  configuration,
  logger,
  deviceController
);

const AWS = require('aws-sdk');
const { v4: uuid } = require('uuid');

// You must use "us-east-1" as the region for Chime API and set the endpoint.
const chime = new AWS.Chime({ region: 'us-east-1' });
chime.endpoint = new AWS.Endpoint('https://service.chime.aws.amazon.com');

const meetingResponse = await chime
  .createMeeting({
    ClientRequestToken: uuid(),
    MediaRegion: 'us-west-2', // Specify the region in which to create the meeting.
  })
  .promise();

const attendeeResponse = await chime
  .createAttendee({
    MeetingId: meetingResponse.Meeting.MeetingId,
    ExternalUserId: uuid(), // Link the attendee to an identity managed by your application.
  })
  .promise();

import { ChimeSDKMessagingClient } from '@aws-sdk/client-chime-sdk-messaging';

import {
  ConsoleLogger,
  DefaultMessagingSession,
  LogLevel,
  MessagingSessionConfiguration,
} from 'amazon-chime-sdk-js';

const logger = new ConsoleLogger('SDK', LogLevel.INFO);

// You will need AWS credentials configured before calling AWS or Amazon Chime APIs.
const chime = new ChimeSDKMessagingClient({ region: 'us-east-1'});

const userArn = /* The userArn */;
const sessionId = /* The sessionId */;
const configuration = new MessagingSessionConfiguration(userArn, sessionId, undefined, chime);
const messagingSession = new DefaultMessagingSession(configuration, logger);

configuration.prefetchOn = Prefetch.Connect;
configuration.prefetchSortBy = PrefetchSortBy.Unread;

const audioInputDevices = await meetingSession.audioVideo.listAudioInputDevices();
const audioOutputDevices = await meetingSession.audioVideo.listAudioOutputDevices();
const videoInputDevices = await meetingSession.audioVideo.listVideoInputDevices();

// An array of MediaDeviceInfo objects
audioInputDevices.forEach(mediaDeviceInfo => {
  console.log(`Device ID: ${mediaDeviceInfo.deviceId} Microphone: ${mediaDeviceInfo.label}`);
});

const audioInputDeviceInfo = /* An array item from meetingSession.audioVideo.listAudioInputDevices */;
await meetingSession.audioVideo.startAudioInput(audioInputDeviceInfo.deviceId);

const audioOutputDeviceInfo = /* An array item from meetingSession.audioVideo.listAudioOutputDevices */;
await meetingSession.audioVideo.chooseAudioOutput(audioOutputDeviceInfo.deviceId);

const videoInputDeviceInfo = /* An array item from meetingSession.audioVideo.listVideoInputDevices */;
await meetingSession.audioVideo.startVideoInput(videoInputDeviceInfo.deviceId);

// Stop video input. If the previously chosen camera has an LED light on,
// it will turn off indicating the camera is no longer capturing.
await meetingSession.audioVideo.stopVideoInput();

const observer = {
  audioInputsChanged: freshAudioInputDeviceList => {
    // An array of MediaDeviceInfo objects
    freshAudioInputDeviceList.forEach(mediaDeviceInfo => {
      console.log(`Device ID: ${mediaDeviceInfo.deviceId} Microphone: ${mediaDeviceInfo.label}`);
    });
  },

  audioOutputsChanged: freshAudioOutputDeviceList => {
    console.log('Audio outputs updated: ', freshAudioOutputDeviceList);
  },

  videoInputsChanged: freshVideoInputDeviceList => {
    console.log('Video inputs updated: ', freshVideoInputDeviceList);
  },

  audioInputMuteStateChanged: (device, muted) => {
    console.log('Device', device, muted ? 'is muted in hardware' : 'is not muted');
  },
};

meetingSession.audioVideo.addDeviceChangeObserver(observer);

const audioElement = /* HTMLAudioElement object e.g. document.getElementById('audio-element-id') */;
meetingSession.audioVideo.bindAudioElement(audioElement);

const observer = {
  audioVideoDidStart: () => {
    console.log('Started');
  }
};

meetingSession.audioVideo.addObserver(observer);

meetingSession.audioVideo.start();

const observer = {
  audioVideoDidStart: () => {
    console.log('Started');
  },
  audioVideoDidStop: sessionStatus => {
    // See the "Stopping a session" section for details.
    console.log('Stopped with a session status code: ', sessionStatus.statusCode());
  },
  audioVideoDidStartConnecting: reconnecting => {
    if (reconnecting) {
      // e.g. the WiFi connection is dropped.
      console.log('Attempting to reconnect');
    }
  },
};

meetingSession.audioVideo.addObserver(observer);

// Mute
meetingSession.audioVideo.realtimeMuteLocalAudio();

// Unmute
const unmuted = meetingSession.audioVideo.realtimeUnmuteLocalAudio();
if (unmuted) {
  console.log('Other attendees can hear your audio');
} else {
  // See the realtimeSetCanUnmuteLocalAudio use case below.
  console.log('You cannot unmute yourself');
}

const muted = meetingSession.audioVideo.realtimeIsLocalAudioMuted();
if (muted) {
  console.log('You are muted');
} else {
  console.log('Other attendees can hear your audio');
}

meetingSession.audioVideo.realtimeSetCanUnmuteLocalAudio(false);

// Optional: Force mute.
meetingSession.audioVideo.realtimeMuteLocalAudio();

const unmuted = meetingSession.audioVideo.realtimeUnmuteLocalAudio();
console.log(`${unmuted} is false. You cannot unmute yourself`);

import { DefaultModality } from 'amazon-chime-sdk-js';

// This is your attendee ID. You can also subscribe to another attendee's ID.
// See the "Attendees" section for an example on how to retrieve other attendee IDs
// in a session.
const presentAttendeeId = meetingSession.configuration.credentials.attendeeId;

meetingSession.audioVideo.realtimeSubscribeToVolumeIndicator(
  presentAttendeeId,
  (attendeeId, volume, muted, signalStrength) => {
    const baseAttendeeId = new DefaultModality(attendeeId).base();
    if (baseAttendeeId !== attendeeId) {
      // See the "Screen and content share" section for details.
      console.log(`The volume of ${baseAttendeeId}'s content changes`);
    }

    // A null value for any field means that it has not changed.
    console.log(`${attendeeId}'s volume data: `, {
      volume, // a fraction between 0 and 1
      muted, // a boolean
      signalStrength, // 0 (no signal), 0.5 (weak), 1 (strong)
    });
  }
);

// This is your attendee ID. You can also subscribe to another attendee's ID.
// See the "Attendees" section for an example on how to retrieve other attendee IDs
// in a session.
const presentAttendeeId = meetingSession.configuration.credentials.attendeeId;

// To track mute changes
meetingSession.audioVideo.realtimeSubscribeToVolumeIndicator(
  presentAttendeeId,
  (attendeeId, volume, muted, signalStrength) => {
    // A null value for volume, muted and signalStrength field means that it has not changed.
    if (muted === null) {
      // muted state has not changed, ignore volume and signalStrength changes
      return;
    }

    // mute state changed
    console.log(`${attendeeId}'s mute state changed: `, {
      muted, // a boolean
    });
  }
);

// To track signal strength changes
meetingSession.audioVideo.realtimeSubscribeToVolumeIndicator(
  presentAttendeeId,
  (attendeeId, volume, muted, signalStrength) => {
    // A null value for volume, muted and signalStrength field means that it has not changed.
    if (signalStrength === null) {
      // signalStrength has not changed, ignore volume and muted changes
      return;
    }

    // signal strength changed
    console.log(`${attendeeId}'s signal strength changed: `, {
      signalStrength, // 0 (no signal), 0.5 (weak), 1 (strong)
    });
  }
);

import { DefaultActiveSpeakerPolicy } from 'amazon-chime-sdk-js';

const activeSpeakerCallback = attendeeIds => {
  if (attendeeIds.length) {
    console.log(`${attendeeIds[0]} is the most active speaker`);
  }
};

meetingSession.audioVideo.subscribeToActiveSpeakerDetector(
  new DefaultActiveSpeakerPolicy(),
  activeSpeakerCallback
);

const videoElement = /* HTMLVideoElement object e.g. document.getElementById('video-element-id') */;

// Make sure you have chosen your camera. In this use case, you will choose the first device.
const videoInputDevices = await meetingSession.audioVideo.listVideoInputDevices();

// The camera LED light will turn on indicating that it is now capturing.
// See the "Device" section for details.
await meetingSession.audioVideo.startVideoInput(videoInputDevices[0].deviceId);

const observer = {
  // videoTileDidUpdate is called whenever a new tile is created or tileState changes.
  videoTileDidUpdate: tileState => {
    // Ignore a tile without attendee ID and other attendee's tile.
    if (!tileState.boundAttendeeId || !tileState.localTile) {
      return;
    }

    meetingSession.audioVideo.bindVideoElement(tileState.tileId, videoElement);
  }
};

meetingSession.audioVideo.addObserver(observer);

meetingSession.audioVideo.startLocalVideoTile();

const videoElement = /* HTMLVideoElement object e.g. document.getElementById('video-element-id') */;

let localTileId = null;
const observer = {
  videoTileDidUpdate: tileState => {
    // Ignore a tile without attendee ID and other attendee's tile.
    if (!tileState.boundAttendeeId || !tileState.localTile) {
      return;
    }

    // videoTileDidUpdate is also invoked when you call startLocalVideoTile or tileState changes.
    // The tileState.active can be false in poor Internet connection, when the user paused the video tile, or when the video tile first arrived.
    console.log(`If you called stopLocalVideoTile, ${tileState.active} is false.`);
    meetingSession.audioVideo.bindVideoElement(tileState.tileId, videoElement);
    localTileId = tileState.tileId;
  },
  videoTileWasRemoved: tileId => {
    if (localTileId === tileId) {
      console.log(`You called removeLocalVideoTile. videoElement can be bound to another tile.`);
      localTileId = null;
    }
  }
};

meetingSession.audioVideo.addObserver(observer);

meetingSession.audioVideo.stopLocalVideoTile();

// Stop video input. If the previously chosen camera has an LED light on,
// it will turn off indicating the camera is no longer capturing.
await meetingSession.audioVideo.stopVideoInput();

// Optional: You can remove the local tile from the session.
meetingSession.audioVideo.removeLocalVideoTile();

const videoElement = /* HTMLVideoElement object e.g. document.getElementById('video-element-id') */;

const observer = {
  // videoTileDidUpdate is called whenever a new tile is created or tileState changes.
  videoTileDidUpdate: tileState => {
    // Ignore a tile without attendee ID, a local tile (your video), and a content share.
    if (!tileState.boundAttendeeId || tileState.localTile || tileState.isContent) {
      return;
    }

    meetingSession.audioVideo.bindVideoElement(tileState.tileId, videoElement);
  }
};

meetingSession.audioVideo.addObserver(observer);

/*
  No one is sharing video                    e.g. 9 attendee videos (9 empty cells)

  Next available:                            Next available:
  videoElements[0]                           videoElements[7]
  ╔════╦════╦════╦════╦════╗                 ╔════╦════╦════╦════╦════╗
  ║  0 ║  1 ║  2 ║  3 ║  4 ║                 ║    ║    ║    ║    ║    ║
  ╠════╬════╬════╬════╬════╣                 ╠════╬════╬════╬════╬════╣
  ║  5 ║  6 ║  7 ║  8 ║  9 ║                 ║    ║    ║  7 ║  8 ║    ║
  ╠════╬════╬════╬════╬════╣                 ╠════╬════╬════╬════╬════╣
  ║ 10 ║ 11 ║ 12 ║ 13 ║ 14 ║                 ║ 10 ║    ║ 12 ║ 13 ║ 14 ║
  ╠════╬════╬════╬════╬════╣                 ╠════╬════╬════╬════╬════╣
  ║ 15 ║ 16 ║ 17 ║ 18 ║ 19 ║                 ║ 15 ║ 16 ║ 17 ║ 18 ║ 19 ║
  ╠════╬════╬════╬════╬════╣                 ╠════╬════╬════╬════╬════╣
  ║ 20 ║ 21 ║ 22 ║ 23 ║ 24 ║                 ║ 20 ║ 21 ║ 22 ║ 23 ║ 24 ║
  ╚════╩════╩════╩════╩════╝                 ╚════╩════╩════╩════╩════╝
 */
const videoElements = [
  /* an array of 25 HTMLVideoElement objects in your application */
];

// index-tileId pairs
const indexMap = {};

const acquireVideoElement = tileId => {
  // Return the same video element if already bound.
  for (let i = 0; i < 25; i += 1) {
    if (indexMap[i] === tileId) {
      return videoElements[i];
    }
  }
  // Return the next available video element.
  for (let i = 0; i < 25; i += 1) {
    if (!indexMap.hasOwnProperty(i)) {
      indexMap[i] = tileId;
      return videoElements[i];
    }
  }
  throw new Error('no video element is available');
};

const releaseVideoElement = tileId => {
  for (let i = 0; i < 25; i += 1) {
    if (indexMap[i] === tileId) {
      delete indexMap[i];
      return;
    }
  }
};

const observer = {
  // videoTileDidUpdate is called whenever a new tile is created or tileState changes.
  videoTileDidUpdate: tileState => {
    // Ignore a tile without attendee ID, a local tile (your video), and a content share.
    if (!tileState.boundAttendeeId || tileState.localTile || tileState.isContent) {
      return;
    }

    meetingSession.audioVideo.bindVideoElement(
      tileState.tileId,
      acquireVideoElement(tileState.tileId)
    );
  },
  videoTileWasRemoved: tileId => {
    releaseVideoElement(tileId);
  },
};

meetingSession.audioVideo.addObserver(observer);

const observer = {
  remoteVideoSourcesDidChange: videoSources => {
    videoSources.forEach(videoSource => {
      const { attendee } = videoSource;
      console.log(
        `An attendee (${attendee.attendeeId} ${attendee.externalUserId}) is sending video`
      );
    });
  },
};

meetingSession.audioVideo.addObserver(observer);

const videoSources = meetingSession.audioVideo.getRemoteVideoSources();
videoSources.forEach(videoSource => {
  const { attendee } = videoSource;
  console.log(`An attendee (${attendee.attendeeId} ${attendee.externalUserId}) is sending video`);
});

import { DefaultModality } from 'amazon-chime-sdk-js';

const observer = {
  videoTileDidUpdate: tileState => {
    // Ignore a tile without attendee ID and videos.
    if (!tileState.boundAttendeeId || !tileState.isContent) {
      return;
    }

    const yourAttendeeId = meetingSession.configuration.credentials.attendeeId;

    // tileState.boundAttendeeId is formatted as "attendee-id#content".
    const boundAttendeeId = tileState.boundAttendeeId;

    // Get the attendee ID from "attendee-id#content".
    const baseAttendeeId = new DefaultModality(boundAttendeeId).base();
    if (baseAttendeeId === yourAttendeeId) {
      console.log('You called startContentShareFromScreenCapture');
    }
  },
  contentShareDidStart: () => {
    console.log('Screen share started');
  },
  contentShareDidStop: () => {
    // Chime SDK allows 2 simultaneous content shares per meeting.
    // This method will be invoked if two attendees are already sharing content
    // when you call startContentShareFromScreenCapture or startContentShare.
    console.log('Screen share stopped');
  },
};

meetingSession.audioVideo.addContentShareObserver(observer);
meetingSession.audioVideo.addObserver(observer);

// A browser will prompt the user to choose the screen.
const contentShareStream = await meetingSession.audioVideo.startContentShareFromScreenCapture();

DefaultVideoTile.connectVideoStreamToVideoElement(contentShareStream, videoElement, false);

const sourceId = /* Window or screen ID e.g. the ID of a DesktopCapturerSource object in Electron */;

await meetingSession.audioVideo.startContentShareFromScreenCapture(sourceId);

const videoElement = /* HTMLVideoElement object e.g. document.getElementById('video-element-id') */;
const inputElement = /* HTMLInputElement object e.g. document.getElementById('input-element-id') */;

inputElement.addEventListener('change', async () => {
  const file = inputElement.files[0];
  const url = URL.createObjectURL(file);
  videoElement.src = url;
  await videoElement.play();

  const mediaStream = videoElement.captureStream(); /* use mozCaptureStream for Firefox e.g. videoElement
.mozCaptureStream(); */
  await meetingSession.audioVideo.startContentShare(mediaStream);
  inputElement.value = '';
});

const observer = {
  contentShareDidStop: () => {
    console.log('Content share stopped');
  },
};

meetingSession.audioVideo.addContentShareObserver(observer);

await meetingSession.audioVideo.stopContentShare();

import { DefaultModality } from 'amazon-chime-sdk-js';

const videoElementStack = [
  /* an array of 2 HTMLVideoElement objects in your application */
];

// tileId-videoElement map
const tileMap = {};

const observer = {
  videoTileDidUpdate: tileState => {
    // Ignore a tile without attendee ID and videos.
    if (!tileState.boundAttendeeId || !tileState.isContent) {
      return;
    }

    const yourAttendeeId = meetingSession.configuration.credentials.attendeeId;

    // tileState.boundAttendeeId is formatted as "attendee-id#content".
    const boundAttendeeId = tileState.boundAttendeeId;

    // Get the attendee ID from "attendee-id#content".
    const baseAttendeeId = new DefaultModality(boundAttendeeId).base();
    if (baseAttendeeId !== yourAttendeeId) {
      console.log(`${baseAttendeeId} is sharing screen now`);

      // Get the already bound video element if available, or use an unbound element.
      const videoElement = tileMap[tileState.tileId] || videoElementStack.pop();
      if (videoElement) {
        tileMap[tileState.tileId] = videoElement;
        meetingSession.audioVideo.bindVideoElement(tileState.tileId, videoElement);
      } else {
        console.log('No video element is available');
      }
    }
  },
  videoTileWasRemoved: tileId => {
    // Release the unused video element.
    const videoElement = tileMap[tileId];
    if (videoElement) {
      videoElementStack.push(videoElement);
      delete tileMap[tileId];
    }
  },
};

meetingSession.audioVideo.addObserver(observer);

const attendeePresenceSet = new Set();
const callback = (presentAttendeeId, present) => {
  console.log(`Attendee ID: ${presentAttendeeId} Present: ${present}`);
  if (present) {
    attendeePresenceSet.add(presentAttendeeId);
  } else {
    attendeePresenceSet.delete(presentAttendeeId);
  }
};

meetingSession.audioVideo.realtimeSubscribeToAttendeeIdPresence(callback);

import { DefaultModality } from 'amazon-chime-sdk-js';

const roster = {};

meetingSession.audioVideo.realtimeSubscribeToAttendeeIdPresence((presentAttendeeId, present) => {
  if (!present) {
    delete roster[presentAttendeeId];
    return;
  }

  meetingSession.audioVideo.realtimeSubscribeToVolumeIndicator(
    presentAttendeeId,
    (attendeeId, volume, muted, signalStrength) => {
      const baseAttendeeId = new DefaultModality(attendeeId).base();
      if (baseAttendeeId !== attendeeId) {
        // Optional: Do not include the content attendee (attendee-id#content) in the roster.
        // See the "Screen and content share" section for details.
        return;
      }

      if (roster.hasOwnProperty(attendeeId)) {
        // A null value for any field means that it has not changed.
        roster[attendeeId].volume = volume; // a fraction between 0 and 1
        roster[attendeeId].muted = muted; // A boolean
        roster[attendeeId].signalStrength = signalStrength; // 0 (no signal), 0.5 (weak), 1 (strong)
      } else {
        // Add an attendee.
        // Optional: You can fetch more data, such as attendee name,
        // from your server application and set them here.
        roster[attendeeId] = {
          attendeeId,
          volume,
          muted,
          signalStrength,
        };
      }
    }
  );
});

const observer = {
  metricsDidReceive: clientMetricReport => {
    const metricReport = clientMetricReport.getObservableMetrics();

    const {
      videoPacketSentPerSecond,
      videoUpstreamBitrate,
      availableOutgoingBitrate,
      availableIncomingBitrate,
      audioSpeakerDelayMs,
    } = metricReport;

    console.log(
      `Sending video bitrate in kilobits per second: ${
        videoUpstreamBitrate / 1000
      } and sending packets per second: ${videoPacketSentPerSecond}`
    );
    console.log(
      `Sending bandwidth is ${availableOutgoingBitrate / 1000}, and receiving bandwidth is ${
        availableIncomingBitrate / 1000
      }`
    );
    console.log(`Audio speaker delay is ${audioSpeakerDelayMs}`);
  },
};

meetingSession.audioVideo.addObserver(observer);

const observer = {
  connectionDidBecomePoor: () => {
    console.log('Your connection is poor');
  },
  connectionDidSuggestStopVideo: () => {
    console.log('Recommend turning off your video');
  },
  videoSendDidBecomeUnavailable: () => {
    // Chime SDK allows a total of 25 simultaneous videos per meeting.
    // If you try to share more video, this method will be called.
    // See videoAvailabilityDidChange below to find out when it becomes available.
    console.log('You cannot share your video');
  },
  videoAvailabilityDidChange: videoAvailability => {
    // canStartLocalVideo will also be true if you are already sharing your video.
    if (videoAvailability.canStartLocalVideo) {
      console.log('You can share your video');
    } else {
      console.log('You cannot share your video');
    }
  },
};

meetingSession.audioVideo.addObserver(observer);

import { MeetingSessionStatusCode } from 'amazon-chime-sdk-js';

const observer = {
  audioVideoDidStop: sessionStatus => {
    const sessionStatusCode = sessionStatus.statusCode();
    if (sessionStatusCode === MeetingSessionStatusCode.Left) {
      /*
       * You called meetingSession.audioVideo.stop().
       */
      console.log('You left the session');
    } else {
      console.log('Stopped with a session status code: ', sessionStatusCode);
    }
  },
};

meetingSession.audioVideo.addObserver(observer);

meetingSession.audioVideo.stop();

import { MeetingSessionStatusCode } from 'amazon-chime-sdk-js';

const observer = {
  audioVideoDidStop: sessionStatus => {
    const sessionStatusCode = sessionStatus.statusCode();
    if (sessionStatusCode === MeetingSessionStatusCode.MeetingEnded) {
      /*
        - You (or someone else) have called the DeleteMeeting API action in your server application.
        - You attempted to join a deleted meeting.
        - No audio connections are present in the meeting for more than five minutes.
        - Fewer than two audio connections are present in the meeting for more than 30 minutes.
        - Screen share viewer connections are inactive for more than 30 minutes.
        - The meeting time exceeds 24 hours.
        See https://docs.aws.amazon.com/chime/latest/dg/mtgs-sdk-mtgs.html for details.
      */
      console.log('The session has ended');
    } else {
      console.log('Stopped with a session status code: ', sessionStatusCode);
    }
  },
};

meetingSession.audioVideo.addObserver(observer);

import { DefaultMeetingReadinessChecker } from 'amazon-chime-sdk-js';

// In the usage examples below, you will use this meetingReadinessChecker object.
const meetingReadinessChecker = new DefaultMeetingReadinessChecker(logger, meetingSession);

import { CheckAudioInputFeedback } from 'amazon-chime-sdk-js';

const audioInputDeviceInfo = /* An array item from meetingSession.audioVideo.listAudioInputDevices */;
const audioInputFeedback = await meetingReadinessChecker.checkAudioInput(audioInputDeviceInfo.deviceId);

switch (audioInputFeedback) {
  case CheckAudioInputFeedback.Succeeded:
    console.log('Succeeded');
    break;
  case CheckAudioInputFeedback.Failed:
    console.log('Failed');
    break;
  case CheckAudioInputFeedback.PermissionDenied:
    console.log('Permission denied');
    break;
}

import {
  CheckAudioConnectivityFeedback,
  CheckContentShareConnectivityFeedback,
  CheckVideoConnectivityFeedback
} from 'amazon-chime-sdk-js';

// Tests audio connection
const audioDeviceInfo = /* An array item from meetingSession.audioVideo.listAudioInputDevices */;
const audioFeedback = await meetingReadinessChecker.checkAudioConnectivity(audioDeviceInfo.deviceId);
console.log(`Feedback result: ${CheckAudioConnectivityFeedback[audioFeedback]}`);

// Test video connection
const videoInputInfo = /* An array item from meetingSession.audioVideo.listVideoInputDevices */;
const videoFeedback = await meetingReadinessChecker.checkVideoConnectivity(videoInputInfo.deviceId);
console.log(`Feedback result: ${CheckVideoConnectivityFeedback[videoFeedback]}`);

// Tests content share connectivity
const contentShareFeedback = await meetingReadinessChecker.checkContentShareConnectivity();
console.log(`Feedback result: ${CheckContentShareConnectivityFeedback[contentShareFeedback]}`);

import {
  CheckNetworkUDPConnectivityFeedback,
  CheckNetworkTCPConnectivityFeedback,
} from 'amazon-chime-sdk-js';

// Tests for UDP network connectivity
const networkUDPFeedback = await meetingReadinessChecker.checkNetworkUDPConnectivity();
console.log(`Feedback result: ${CheckNetworkUDPConnectivityFeedback[networkUDPFeedback]}`);

// Tests for TCP network connectivity
const networkTCPFeedback = await meetingReadinessChecker.checkNetworkTCPConnectivity();
console.log(`Feedback result: ${CheckNetworkTCPConnectivityFeedback[networkTCPFeedback]}`);

meetingSession.audioVideo.setAudioProfile(AudioProfile.fullbandSpeechMono());

meetingSession.audioVideo.setContentAudioProfile(AudioProfile.fullbandMusicMono());

meetingSession.audioVideo.setAudioProfile(AudioProfile.fullbandMusicStereo());

meetingSession.audioVideo.setContentAudioProfile(AudioProfile.fullbandMusicStereo());

const observer = {
  messagingSessionDidStart: () => {
    console.log('Session started');
  },
  messagingSessionDidStartConnecting: reconnecting => {
    if (reconnecting) {
      console.log('Start reconnecting');
    } else {
      console.log('Start connecting');
    }
  },
  messagingSessionDidStop: event => {
    console.log(`Closed: ${event.code} ${event.reason}`);
  },
  messagingSessionDidReceiveMessage: message => {
    console.log(`Receive message type ${message.type}`);
  },
};

messagingSession.addObserver(observer);
await messagingSession.start();

import { MeetingSessionConfiguration, ApplicationMetadata } from 'amazon-chime-sdk-js';

const createMeetingResponse = // CreateMeeting API response.
const createAttendeeResponse = // CreateAttendee API response.
const meetingSessionConfiguration = new MeetingSessionConfiguration(
  createMeetingResponse,
  createAttendeeResponse
);

meetingSessionConfiguration.applicationMetadata = ApplicationMetadata.create({
  appName: 'AppName',
  appVersion: '1.0.0'
});

// The appName must be between 1-32 characters.
// The appName must satisfy following regular expression:
// /^[a-zA-Z0-9]+[a-zA-Z0-9_-]*[a-zA-Z0-9]+$/g
appName: string;

// The appVersion must be between 1-32 characters.
// The appVersion must follow the Semantic Versioning format.
// https://semver.org/
appVersion: string;