import { ReducerRegistry } from '../redux';

import {
    LIB_DISPOSED,
    LIB_INIT_ERROR,
    LIB_INITIALIZED,
    SET_CONFIG
} from './actionTypes';

/**
 * Initial state of 'features/base/lib'.
 *
 * @type {{
 *      initializationError: null,
 *      initialized: boolean
 * }}
 */
const INITIAL_STATE = {
    config: {
        // FIXME Lib-jitsi-meet uses HTML script elements to asynchronously
        // load certain pieces of JavaScript. Unfortunately, the technique
        // doesn't work on React Native (because there are no HTML elements
        // in the first place). Fortunately, these pieces of JavaScript
        // currently involve third parties and we can temporarily disable
        // them (until we implement an alternative to async script elements
        // on React Native).
        disableThirdPartyRequests: true
    },
    initializationError: null,
    initialized: false
};

ReducerRegistry.register(
    'features/base/lib',
    (state = INITIAL_STATE, action) => {
        switch (action.type) {
        case LIB_DISPOSED:
            return INITIAL_STATE;

        case LIB_INIT_ERROR:
            return {
                ...state,
                initializationError: action.lib.error,
                initialized: false
            };

        case LIB_INITIALIZED:
            return {
                ...state,
                initializationError: null,
                initialized: true
            };

        case SET_CONFIG:
            return {
                ...state,
                config: {
                    ...action.config,
                    ...state.config
                }
            };

        default:
            return state;
        }
    });