import { createStore } from "redux";
import { loadState, saveState } from "localstorage-redux/lib";

const storeTestName = "__REDUX__TEST__STORE__";

/***
 * a basic store solution if you 
 * implement your own store make sure to expose
* the getItem and setItem functions
*/

const storageMock = () => {
  let storage = {};

  return {
    setItem: (key, value) => {
      storage[key] = value;
    },
    getItem: key => {
      return key in storage ? storage[key] : null;
    }
  };
};

/**
 *
 * @param {array} state - state array to hold the todos
 * @param {object} action - holds the action meta data/ info
 */
function todos(state = [], action) {
  switch (action.type) {
    case "ADD_TODO":
      return state.concat([action.text]);
    default:
      return state;
  }
}
const storageModule = storageMock();
const store = createStore(todos, loadState(storageModule, storeTestName));
 saveState({
      store,
      storage: storageModule,
      storename: storeTestName
      });

import { createStore, combineReducers } from "redux";


    const reducers = combineReducers({
      todos
    });
    let newMockStorage = storageMock();
    store = createStore(reducers, loadState(newMockStorage, storeTestName));
    store.dispatch({
      type: "ADD_TODO",
      text: "Read the docs"
    });
    saveState({
      store,
      storage: newMockStorage,
      storename: storeTestName,
      items: ["non-todos-object"]
    });