ActivityCompat.requestPermissions(this,arrayOf(
    Manifest.permission.CAMERA,
    Manifest.permission.RECORD_AUDIO
), 1)

class CameraTabFragment: Fragment(), IEventListener {
    private lateinit var connection: RtmpConnection
    private lateinit var stream: RtmpStream
    private lateinit var cameraView: GlHkView

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        val permissionCheck = ContextCompat.checkSelfPermission(activity, Manifest.permission.CAMERA)
        if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(activity, arrayOf(Manifest.permission.CAMERA), 1)
        }
        if (ContextCompat.checkSelfPermission(activity, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(activity, arrayOf(Manifest.permission.RECORD_AUDIO), 1)
        }
        connection = RtmpConnection()
        stream = RtmpStream(connection)
        stream.attachAudio(AudioRecordSource())

        val manager = activity.getSystemService(Context.CAMERA_SERVICE) as CameraManager
        val camera = CameraSource(activity).apply {
            this.open(cameraId)
        }
        stream.attachVideo(camera)
        connection.addEventListener(Event.RTMP_STATUS, this)
    }

    @SuppressLint("SetTextI18n")
    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        val v = inflater.inflate(R.layout.fragment_camera, container, false)
        val button = v.findViewById<Button>(R.id.button)
        button.setOnClickListener {
            if (button.text == "Publish") {
                connection.connect(Preference.shared.rtmpURL)
                button.text = "Stop"
            } else {
                connection.close()
                button.text = "Publish"
            }
        }
        cameraView = v.findViewById<GlHkView>(R.id.camera)
        cameraView.attachStream(stream)
        return v
    }

    override fun onDestroy() {
        super.onDestroy()
        connection.dispose()
    }

    override fun handleEvent(event: Event) {
        Log.i(javaClass.name + "#handleEvent", event.toString())
        val data = EventUtils.toMap(event)
        val code = data["code"].toString()
        if (code == RtmpConnection.Code.CONNECT_SUCCESS.rawValue) {
            stream.publish(Preference.shared.streamName)
        }
    }

    companion object {
        fun newInstance(): CameraTabFragment {
            return CameraTabFragment()
        }
    }
}