import { List, fromJS } from "immutable"

const defaultState = List();

const handlers = {
  "ADD_NOTIFICATION": (state, action) => state.push(fromJS({
    id: Math.random().toString(36).substring(7),
    ...action.payload
  })),
  "REMOVE_NOTIFICATION": (state, action) =>
    state.filter((e) => (e.get("id") !== action.payload.id)),
}

export default (state = defaultState, action) =>
  handlers[action.type] ? handlers[action.type](state, action) : state;