import { fill } from 'lodash';
import { EntitiesManager as EM } from '../../src/index';
import configureEntitiesManager from '../utils/configureEntitiesManager';
import configureStore from '../utils/configureStore';
import deleteCollection from '../utils/deleteCollection';

let em = null;
let store = null;

const initializeEmStore = () => {
  em = configureEntitiesManager({
    item: {
      createdAt: EM.createdAt(),
      updatedAt: EM.updatedAt(),
      value: EM.required()
    }
  });
  store = configureStore({}, { entities: em.getEntitiesReducer() });
};

describe('ordered queries)', () => {
  const itemsNum = 10;

  beforeAll(() => {
    initializeEmStore();
  });

  describe('adding items', () => {
    it('should resolve with id(s)', () => {
      const addingParentPromises = [];
      const compTarget = [];
      for (let i = 0; i < itemsNum; i++) {
        addingParentPromises.push(store.dispatch(em.entity('item').addItem({ id: i+'', value: Math.round(Math.random() * 20) })));
        compTarget.push(i+'');
      }
      return Promise.all(addingParentPromises)
        .then((results) => {
          expect(results).toEqual(compTarget);
        });
    }, 150000);
  });

  describe('query items by values', () => {
    let queryMore = null;
    let items = [];
    
    beforeAll(() => {
      initializeEmStore();
      queryMore = store.dispatch(
        em.entity('item').queryList(
          'orderedItems',
          [['value', '>', 0]],
          'value',
          'asc'
        )
      );
    });

    it(
      'should query items in order',
      () => queryMore(10, 'FROM_FIRST')
        .then((result) => {
          const orderedItems = em.entity('item').getQueriedList('orderedItems')(store.getState());
          for (let i = 1; i < itemsNum; i++) {
            expect(orderedItems[i].value - orderedItems[i-1].value).toBeGreaterThanOrEqual(0);
          }
        }),
      150000
    );
  });

  afterAll(() => Promise.all([
    deleteCollection('item')
  ]).then((results) => {
    console.log('deleted results:', results);
  }), 1000000);
});