import { Map, List, fromJS } from "immutable";

const defaultState = Map({
  fetching: false,
  searching: false,
  torrents: List(),
  searchResults: List()
});

const handlers = {
  TORRENTS_FETCH_PENDING: state => state.set("fetching", true),
  TORRENTS_FETCH_FULFILLED: (state, action) =>
    state.merge(
      fromJS({
        fetching: false,
        torrents: action.payload.response.data
      })
    ),
  TORRENTS_SEARCH_PENDING: state => state.set("searching", true),
  TORRENTS_SEARCH_FULFILLED: (state, action) =>
    state.merge(
      fromJS({
        searching: false,
        searchResults: action.payload.response.data
      })
    )
};

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