import '@testing-library/jest-dom/extend-expect';

import { cleanup, render } from '@testing-library/svelte';
import '$/config/i18n';

import Post from './post.svelte';

const internals = {
  basicPost: {
    id: 'e5a19d53-4c9a-4be8-afa5-00942ea3afa4',
    text: 'This is an example post qwerty',
    created_at: Date.UTC(2021, 3, 19, 6, 6, 6, 666).valueOf(),
    author: {
      handle: 'very_cool_user',
      id: 'b01bdb48-4b5e-46a4-97f3-6db789bcd33b'
    },
    topic: {
      id: '35d3c3eb-e486-42ef-994c-d8ab1f1e167a',
      title: 'Parent topic, yes'
    }
  },
  postWithoutTopic: {
    id: '9e52e38e-9007-4a20-bbf1-cea4e2f950f3',
    text: 'This is a post without a topic',
    created_at: Date.UTC(2022, 8, 21, 4, 3, 1, 340).valueOf(),
    author: {
      handle: 'my_normal_user',
      id: '121f8f97-de02-4102-b25d-f34fd619009b'
    }
  },

  results: null
};

describe('Post component', () => {

  beforeEach(() => {

    internals.results = render(Post, { props: {
      post: internals.basicPost
    } });
  });

  test('Should display the text of the post', () => {

    expect(internals.results.getByText('This is an example post qwerty')).toBeVisible();
  });

  test('Should display date of the post', () => {

    expect(internals.results.getByText('2021-04-19T06:06:06.666Z'))
      .toBeVisible();
  });

  test('Date of post should be a permalink to the post', () => {

    expect(internals.results.getByText('2021-04-19T06:06:06.666Z').closest('a'))
      .toHaveAttribute('href', '/p/e5a19d53-4c9a-4be8-afa5-00942ea3afa4');
  });

  test('Should display the glyph of the post author', () => {

    const glyphicon = internals.results.getByRole('img');

    expect(glyphicon)
      .toBeVisible();
    expect(glyphicon)
      .toHaveTextContent(/^. . . .$/);
  });

  test('Should display author handle', () => {

    expect(internals.results.getByText('very_cool_user'))
      .toBeVisible();
  });

  test('Author handle should have a permalink to topic', () => {

    expect(internals.results.getByText('very_cool_user').closest('a'))
      .toHaveAttribute('href', '/a/very_cool_user');
  });

  test('Should display parent topic title', () => {

    expect(internals.results.getByText('Parent topic, yes'))
      .toBeVisible();
  });

  test('Parent topic title should have a permalink to topic', () => {

    expect(internals.results.getByText('Parent topic, yes').closest('a'))
      .toHaveAttribute('href', '/t/35d3c3eb-e486-42ef-994c-d8ab1f1e167a');
  });

  test('Parent topic title should have a permalink to topic', () => {

    cleanup();
    internals.results = render(Post, { props: {
      post: internals.postWithoutTopic
    } });

    expect(internals.results.queryByText('Parent topic, yes'))
      .toBe(null);
  });

  test('It should default to 1/1 when no index or count is passed', () => {

    expect(internals.results.getByTitle('Post 1 of 1 by very_cool_user'))
      .toBeVisible();
  });

  test('Parent topic title should have a permalink to topic', () => {

    cleanup();
    internals.results = render(Post, { props: {
      index: 2,
      count: 5,
      post: internals.postWithoutTopic
    } });

    expect(internals.results.getByTitle('Post 3 of 5 by my_normal_user'))
      .toBeVisible();
  });
});