// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.

import Vuex from 'vuex';

import { BucketsApiGql } from '@/api/buckets';
import { ProjectsApiGql } from '@/api/projects';
import { BUCKET_ACTIONS, makeBucketsModule } from '@/store/modules/buckets';
import { makeProjectsModule } from '@/store/modules/projects';
import { Bucket, BucketCursor, BucketPage } from '@/types/buckets';
import { Project } from '@/types/projects';
import { createLocalVue } from '@vue/test-utils';

const Vue = createLocalVue();
const bucketsApi = new BucketsApiGql();
const bucketsModule = makeBucketsModule(bucketsApi);
const { FETCH, SET_SEARCH, CLEAR } = BUCKET_ACTIONS;

const projectsApi = new ProjectsApiGql();
const projectsModule = makeProjectsModule(projectsApi);
const selectedProject = new Project();
selectedProject.id = '1';
projectsModule.state.selectedProject = selectedProject;

Vue.use(Vuex);

const store = new Vuex.Store<{
    projectsModule: typeof projectsModule.state,
    bucketsModule: typeof bucketsModule.state,
}>({modules: { projectsModule, bucketsModule } });
const state = store.state.bucketsModule;
const bucket = new Bucket('test', 10, 10, 1, 1, new Date(), new Date());
const page: BucketPage = { buckets: [bucket], currentPage: 1, pageCount: 1, offset: 0, limit: 7, search: 'test', totalCount: 1 };

describe('actions', () => {
    beforeEach(() => {
        jest.resetAllMocks();
    });

    it('success fetch buckets', async () => {
        jest.spyOn(bucketsApi, 'get').mockReturnValue(
            Promise.resolve(page),
        );

        await store.dispatch(FETCH, 1);

        expect(state.page).toEqual(page);
        expect(state.cursor.page).toEqual(1);
    });

    it('fetch throws an error when api call fails', async () => {
        jest.spyOn(bucketsApi, 'get').mockImplementation(() => { throw new Error(); });

        try {
            await store.dispatch(FETCH , 1);
        } catch (error) {
            expect(state.page).toEqual(page);
        }
    });

    it('success set search buckets', () => {
        store.dispatch(SET_SEARCH, 'test');

        expect(state.cursor.search).toMatch('test');
    });

    it('success clear', () => {
        store.dispatch(CLEAR);

        expect(state.cursor).toEqual(new BucketCursor('', 7, 1));
        expect(state.page).toEqual(new BucketPage([], '', 7, 0, 1, 1, 0));
    });
});

describe('getters', () => {
    const page: BucketPage = { buckets: [bucket], currentPage: 1, pageCount: 1, offset: 0, limit: 7, search: 'test', totalCount: 1 };

    it('page of buckets', async () => {
        jest.spyOn(bucketsApi, 'get').mockReturnValue(
            Promise.resolve(page),
        );

        await store.dispatch(FETCH, 1);

        const storePage = store.getters.page;

        expect(storePage).toEqual(page);
    });

    it('cursor of buckets', () => {
        store.dispatch(CLEAR);

        const cursor = store.getters.cursor;

        expect(cursor).toEqual(new BucketCursor('', 7, 1));
    });
});