import (
	"time"

	lksdk "github.com/livekit/server-sdk-go"
	"github.com/livekit/protocol/auth"
)

func getJoinToken(apiKey, apiSecret, room, identity string) (string, error) {
	at := auth.NewAccessToken(apiKey, apiSecret)
	grant := &auth.VideoGrant{
		RoomJoin: true,
		Room:     room,
	}
	at.AddGrant(grant).
		SetIdentity(identity).
		SetValidFor(time.Hour)

	return at.ToJWT()
}

import (
	lksdk "github.com/livekit/server-sdk-go"
	livekit "github.com/livekit/protocol/livekit"
)

func main() {
	host := "host"
	apiKey := "key"
	apiSecret := "secret"

	roomName := "myroom"
	identity := "participantIdentity"

    roomClient := lksdk.NewRoomServiceClient(host, apiKey, apiSecret)

    // create a new room
    room, _ := roomClient.CreateRoom(context.Background(), &livekit.CreateRoomRequest{
		Name: roomName,
	})

    // list rooms
    res, _ := roomClient.ListRooms(context.Background(), &livekit.ListRoomsRequest{})

    // terminate a room and cause participants to leave
    roomClient.DeleteRoom(context.Background(), &livekit.DeleteRoomRequest{
		Room: roomId,
	})

    // list participants in a room
    res, _ := roomClient.ListParticipants(context.Background(), &livekit.ListParticipantsRequest{
		Room: roomName,
	})

    // disconnect a participant from room
    roomClient.RemoveParticipant(context.Background(), &livekit.RoomParticipantIdentity{
		Room:     roomName,
		Identity: identity,
	})

    // mute/unmute participant's tracks
    roomClient.MutePublishedTrack(context.Background(), &livekit.MuteRoomTrackRequest{
		Room:     roomName,
		Identity: identity,
		TrackSid: "track_sid",
		Muted:    true,
	})
}

import (
  lksdk "github.com/livekit/server-sdk-go"
)

func main() {
  host := "<host>"
  apiKey := "api-key"
  apiSecret := "api-secret"
  roomName := "myroom"
  identity := "botuser"
  roomCB := &lksdk.RoomCallback{
	ParticipantCallback: lksdk.ParticipantCallback{
	  OnTrackSubscribed: trackSubscribed
  	},
  }
  room, err := lksdk.ConnectToRoom(host, lksdk.ConnectInfo{
  	APIKey:              apiKey,
  	APISecret:           apiSecret,
  	RoomName:            roomName,
  	ParticipantIdentity: identity,
  }, roomCB)
  if err != nil {
  	panic(err)
  }

  ...
  room.Disconnect()
}

func trackSubscribed(track *webrtc.TrackRemote, publication *lksdk.RemoteTrackPublication, rp *lksdk.RemoteParticipant) {

}

file := "video.ivf"
videoWidth := 1920
videoHeight := 1080
track, err := lksdk.NewLocalFileTrack(file,
	// control FPS to ensure synchronization
	lksdk.ReaderTrackWithFrameDuration(33 * time.Millisecond),
	lksdk.ReaderTrackWithOnWriteComplete(func() { fmt.Println("track finished") }),
)
if err != nil {
    return err
}
if _, err = room.LocalParticipant.PublishTrack(track, &lksdk.TrackPublicationOptions{
	Name: file,
	Width: videoWidth,
	Height: videoHeight,
}); err != nil {
    return err
}

// - `in` implements io.ReadCloser, such as buffer or file
// - `mime` has to be one of webrtc.MimeType...
track, err := lksdk.NewLocalReaderTrack(in, mime,
	lksdk.ReaderTrackWithFrameDuration(33 * time.Millisecond),
	lksdk.ReaderTrackWithOnWriteComplete(func() { fmt.Println("track finished") }),
)
if err != nil {
	return err
}
if _, err = room.LocalParticipant.PublishTrack(track, &lksdk.TrackPublicationOptions{}); err != nil {
    return err
}

import (
	"github.com/livekit/protocol/auth"
	"github.com/livekit/protocol/livekit"
	"github.com/livekit/protocol/webhook"
)

var authProvider = auth.NewSimpleKeyProvider(
	apiKey, apiSecret,
)

func ServeHTTP(w http.ResponseWriter, r *http.Request) {
  // event is a livekit.WebhookEvent{} object
	event, err := webhook.ReceiveWebhookEvent(r, authProvider)
	if err != nil {
		// could not validate, handle error
		return
	}

	// consume WebhookEvent
}