import { ActionTypes } from '../actions/intercomActions';
import { initialState } from '../index';

export const reducer = (state = initialState, action) => {
  switch (action.type) {
    case ActionTypes.BOOT: {
      return {
        ...state,
        booted: true,
      };
    }
    default:
      return state;
  }
};

/**
 * Creates a reducer that can be used with [`combineReducer`](http://redux.js.org/docs/api/combineReducers.html)
 * @param {Object} options Reducer options
 * @param {string} options.domain For mounting this reducer under a different key in redux. Default: `intercom`.
 *
 * @example
 * // reducer.js
 * import { createReducer as createintercomReducer } from '@doodle/intercom-connector';
 * import { combineReducers } from 'redux';
 *
 * export default combineReducers({
 *   ...createintercomReducer(), // providing the reducer under the `domain` key
 * })
 */
export const createReducer = (options = {}) => ({
  [options.domain || 'intercom']: reducer,
});