import rootReducer from '../reducers';
import rootAuthSaga from '../sagas/authSaga';
import networkSaga from '../sagas/networkSaga';
import { compose, createStore, applyMiddleware } from 'redux';
import { routerMiddleware } from 'react-router-redux';
import createSagaMiddleware from 'redux-saga'
import Immutable from 'immutable';
import { offline } from 'redux-offline';
import offlineDefaultConfig from 'redux-offline/lib/defaults';
import localForage from 'localforage';
import immutableTransform from 'redux-persist-transform-immutable';
import NoteRecord from './noteRecord';
import SessionRecord from './sessionRecord';
import UserRecord from './userRecord';
import APIClient from '../api/APIClient';
import createEffect from '../api';
import config from '../config';
import { offlineConfigInitialized } from '../actions/networkActions';

// const composeEnhancers = (process.env.NODE_ENV !== 'production' && window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__) ?
//     window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({
//         shouldHotReload: false,
//     }) : compose;
const composeEnhancers = compose;


const defaultState = {
  sessions: Immutable.List([]),
  notes: Immutable.List([]),
  isAuthenticated: false,
  currentUser: null,
  token: '',
  autoSubmit: false,
  login: Immutable.Map({
    loading: false,
    success: false,
    error: false,
    errorMessages: Immutable.Map({})
  }),
  register: Immutable.Map({
    loading: false,
    success: false,
    error: false,
    errorMessages: Immutable.Map({})
  }),
};

const immutableTransformConfig = {
  records: [NoteRecord, SessionRecord, UserRecord],
  whitelist: ['sessions', 'notes', 'currentUser']
}

const persistOptions = {
  storage: localForage,
  transforms: [immutableTransform(immutableTransformConfig)],
  whitelist: ['sessions', 'notes', 'isAuthenticated', 'currentUser', 'token', 'offline', 'autoSubmit']
}

const apiClient = new APIClient(config.apiRootUrl);

const offlineConfig = {
  ...offlineDefaultConfig,
  persistOptions,
  effect: createEffect(apiClient),
}

const storeInitialState = { ...defaultState };


export default (history, initialState = storeInitialState) => {

  const router = routerMiddleware(history);
  const saga = createSagaMiddleware();

  offlineConfig.detectNetwork = callback => { saga.run(networkSaga, { callback }); };

  const store = offline(offlineConfig)(createStore)(rootReducer, initialState, composeEnhancers(
    applyMiddleware(router, saga)
  ));

  apiClient.setStore(store);

  const context = {
    client: apiClient,
    history
  }

  saga.run(rootAuthSaga, context);

  store.dispatch(offlineConfigInitialized({ client: apiClient }))

  return store;
};