webcom-components/visio-sample

/*eslint complexity: [2, 20] max-len: [2, 180]*/
import {
    STREAM_PUBLISHED,
    STREAM_SUBSCRIBED,
    STREAM_RECEIVED,
    STREAM_UNPUBLISHED,
    STREAM_CHANGED,
    VIDEO_MUTED,
    VIDEO_UNMUTED,
    AUDIO_MUTED,
    AUDIO_UNMUTED,
    ROOM_ENTER,
    ROOM_LEFT,
    PARTICIPANT_JOIN,
    PARTICIPANT_LEFT,
    VIDEO_FOCUS,
    TOGGLE_CHAT,
    MESSAGE_RECEIVED,
    LOGOUT
} from '../utils/constants';

const initialState = null;

export default (state = initialState, action = {}) => {
    switch (action.type) {
        case ROOM_ENTER:
            return {
                ...state,
                info: {...action.data},
                focus: null,
                chatMinimized: true,
                messages: [],
                participants: []
            };
        case PARTICIPANT_JOIN:
            return {
                ...state,
                participants:
                    state.participants.find(u => u.uid === action.data.uid) ?
                        state.participants.map(u=> u.uid === action.data.uid ? {...u, ...action.data} : u) :
                        [
                            ...state.participants,
                            {...action.data}
                        ]
            };
        case PARTICIPANT_LEFT:
            return {
                ...state,
                participants: state.participants.filter(u => u.uid !== action.data.uid)
            };

        case STREAM_PUBLISHED:
            return {
                ...state,
                stream: {...action.data},
                participants: state.participants.map(u => {
                    return u.uid === action.data.from ? Object.assign({}, u, {stream : {...action.data}, subscribed: true}) : u;
                })
            };

        case STREAM_CHANGED:
            return {
                ...state,
                participants:
                    state.participants.map(u => {
                        return u.uid === action.data.from ? Object.assign({}, u, {stream : {...action.data}, subscribed: true}) : u;
                    })
            };

        case STREAM_RECEIVED:
            return {
                ...state,
                participants:
                    state.participants.map((u) => {
                        return u.uid === action.data.from ? Object.assign({}, u, {stream : {...action.data}, subscribed : false}) : u;
                    })
            };

        case STREAM_SUBSCRIBED:
            return {
                ...state,
                participants:
                    state.participants.map(u => u.uid === action.data.from ? Object.assign({}, u, {subscribed : true}) : u)
            };

        case STREAM_UNPUBLISHED:
            return {
                ...state,
                participants:
                    state.participants.map(u => u.uid === action.data.from ? { ...u, stream: null, subscribed: null } : u)
            };

        case VIDEO_MUTED:
        case VIDEO_UNMUTED:
        case AUDIO_MUTED:
        case AUDIO_UNMUTED:
            return {
                ...state,
                stream: action.data.stream
            };
        case ROOM_LEFT:
            return {
                ...initialState
            };
        case LOGOUT:
            return {
                ...initialState
            };
        case VIDEO_FOCUS:
            return {
                ...state,
                focus: action.data
            };
        case TOGGLE_CHAT:
            return {
                ...state,
                chatMinimized: !state.chatMinimized
            };
        case MESSAGE_RECEIVED:
            return {
                ...state,
                messages: [
                    ...state.messages,
                    {
                        ...action.data
                    }
                ]
            };
        default:
            return state;
    }
};