/**
 * Copyright (c) 2017-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

import fs from 'fs-extra';
import path from 'path';
import pluginContentBlog from '../index';
import {DocusaurusConfig} from '../typesDocusaurus';

describe('loadBlog', () => {
  test('simple website', async () => {
    const siteDir = path.join(__dirname, '__fixtures__', 'website');
    const siteConfig: DocusaurusConfig = {
      title: 'Hello',
      baseUrl: '/',
      url: 'https://docusaurus.io',
    };
    const pluginPath = 'blog';
    const plugin = pluginContentBlog(
      {
        siteDir,
        siteConfig,
      },
      {
        path: 'blog',
      },
    );
    const {blogPosts} = await plugin.loadContent();

    expect(
      blogPosts.find(v => v.metadata.title === 'date-matter').metadata,
    ).toEqual({
      permalink: '/blog/2019/01/01/date-matter',
      source: path.join('@site', pluginPath, 'date-matter.md'),
      title: 'date-matter',
      description: `date inside front matter`,
      date: new Date('2019-01-01'),
      tags: [],
    });
    expect(
      blogPosts.find(v => v.metadata.title === 'Happy 1st Birthday Slash!')
        .metadata,
    ).toEqual({
      permalink: '/blog/2018/12/14/Happy-First-Birthday-Slash',
      source: path.join(
        '@site',
        pluginPath,
        '2018-12-14-Happy-First-Birthday-Slash.md',
      ),
      title: 'Happy 1st Birthday Slash!',
      description: `pattern name`,
      date: new Date('2018-12-14'),
      tags: [],
    });

    const noDateSource = path.join('@site', pluginPath, 'no date.md');
    const noDateSourceBirthTime = (await fs.stat(
      noDateSource.replace('@site', siteDir),
    )).birthtime;
    expect(
      blogPosts.find(v => v.metadata.title === 'no date').metadata,
    ).toEqual({
      permalink: `/blog/${noDateSourceBirthTime
        .toISOString()
        .substr(0, '2019-01-01'.length)
        .replace(/-/g, '/')}/no date`,
      source: noDateSource,
      title: 'no date',
      description: `no date`,
      date: noDateSourceBirthTime,
      tags: [],
    });
  });
});