/**
 * Create the store with dynamic reducers
 */

import { createStore, applyMiddleware, compose } from 'redux';
import { routerMiddleware } from 'connected-react-router';
import createSagaMiddleware from 'redux-saga';
import createReducer from 'reducers';

const sagaMiddleware = createSagaMiddleware();

declare interface IWindow extends Window {
  __REDUX_DEVTOOLS_EXTENSION_COMPOSE__: any; // redux-dev-tools definitions not needed
}
declare const window: IWindow;

export default function configureStore(initialState = {}, history) {
  // Create the store with two middlewares
  // 1. sagaMiddleware: Makes redux-sagas work
  // 2. routerMiddleware: Syncs the location/URL path to the state
  const middlewares = [sagaMiddleware, routerMiddleware(history)];

  const enhancers = [applyMiddleware(...middlewares)];

  // tslint:disable-next-line:max-line-length
  // If Redux DevTools Extension is installed use it, otherwise use Redux compose
  /* eslint-disable no-underscore-dangle, indent */
  const composeEnhancers =
    process.env.NODE_ENV !== 'production' &&
    typeof window === 'object' &&
    window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__
      ? window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({})
      : compose;
  /* eslint-enable */

  const store = createStore(
    createReducer(),
    initialState,
    composeEnhancers(...enhancers),
  ) as any; // FIX: disable any

  // Extensions
  store.runSaga = sagaMiddleware.run;
  store.injectedReducers = {}; // Reducer registry
  store.injectedSagas = {}; // Saga registry

  // Make reducers hot reloadable, see http://mxs.is/googmo
  /* istanbul ignore next */
  if (module['hot']) {
    module['hot'].accept('./reducers', () => {
      store.replaceReducer(createReducer(store.injectedReducers));
    });
  }

  return store;
}