const initialState =
{
	url                    : null,
	state                  : 'new', // new/connecting/connected/disconnected/closed,
	mediasoupVersion       : null,
	mediasoupClientVersion : null,
	mediasoupClientHandler : undefined,
	activeSpeakerId        : null,
	statsPeerId            : null,
	faceDetection          : false
};

const room = (state = initialState, action) =>
{
	switch (action.type)
	{
		case 'SET_ROOM_URL':
		{
			const { url } = action.payload;

			return { ...state, url };
		}

		case 'SET_ROOM_STATE':
		{
			const roomState = action.payload.state;

			if (roomState === 'connected')
				return { ...state, state: roomState };
			else
				return { ...state, state: roomState, activeSpeakerId: null, statsPeerId: null };
		}

		case 'SET_ROOM_MEDIASOUP_CLIENT_HANDLER':
		{
			const { mediasoupClientHandler } = action.payload;

			return { ...state, mediasoupClientHandler };
		}

		case 'SET_MEDIASOUP_VERSION':
		{
			const { version } = action.payload;

			return { ...state, mediasoupVersion: version };
		}

		case 'SET_MEDIASOUP_CLIENT_VERSION':
		{
			const { version } = action.payload;

			return { ...state, mediasoupClientVersion: version };
		}

		case 'SET_ROOM_ACTIVE_SPEAKER':
		{
			const { peerId } = action.payload;

			return { ...state, activeSpeakerId: peerId };
		}

		case 'SET_ROOM_STATS_PEER_ID':
		{
			const { peerId } = action.payload;

			if (state.statsPeerId === peerId)
				return { ...state, statsPeerId: null };

			return { ...state, statsPeerId: peerId };
		}

		case 'SET_FACE_DETECTION':
		{
			const flag = action.payload;

			return { ...state, faceDetection: flag };
		}

		case 'REMOVE_PEER':
		{
			const { peerId } = action.payload;
			const newState = { ...state };

			if (peerId && peerId === state.activeSpeakerId)
				newState.activeSpeakerId = null;

			if (peerId && peerId === state.statsPeerId)
				newState.statsPeerId = null;

			return newState;
		}

		default:
		{
			return state;
		}
	}
};

export default room;