import MockAdapter from 'axios-mock-adapter';
import $ from 'jquery';
import { TEST_HOST } from 'helpers/test_constants';
import { sanitize } from 'dompurify';
import ProjectFindFile from '~/project_find_file';
import axios from '~/lib/utils/axios_utils';

jest.mock('dompurify', () => ({
  sanitize: jest.fn(val => val),
}));

const BLOB_URL_TEMPLATE = `${TEST_HOST}/namespace/project/blob/master`;
const FILE_FIND_URL = `${TEST_HOST}/namespace/project/files/master?format=json`;
const FIND_TREE_URL = `${TEST_HOST}/namespace/project/tree/master`;
const TEMPLATE = `<div class="file-finder-holder tree-holder js-file-finder" data-blob-url-template="${BLOB_URL_TEMPLATE}" data-file-find-url="${FILE_FIND_URL}"  data-find-tree-url="${FIND_TREE_URL}">
  <input class="file-finder-input" id="file_find" />
  <div class="tree-content-holder">
    <div class="table-holder">
      <table class="files-slider tree-table">
        <tbody />
      </table>
    </div>
  </div>
</div>`;

describe('ProjectFindFile', () => {
  let element;
  let mock;

  const getProjectFindFileInstance = () =>
    new ProjectFindFile(element, {
      url: FILE_FIND_URL,
      treeUrl: FIND_TREE_URL,
      blobUrlTemplate: BLOB_URL_TEMPLATE,
    });

  const findFiles = () =>
    element
      .find('.tree-table tr')
      .toArray()
      .map(el => ({
        text: el.textContent,
        href: el.querySelector('a').href,
      }));

  const files = [
    { path: 'fileA.txt', escaped: 'fileA.txt' },
    { path: 'fileB.txt', escaped: 'fileB.txt' },
    { path: 'fi#leC.txt', escaped: 'fi%23leC.txt' },
    { path: 'folderA/fileD.txt', escaped: 'folderA/fileD.txt' },
    { path: 'folder#B/fileE.txt', escaped: 'folder%23B/fileE.txt' },
    { path: 'folde?rC/fil#F.txt', escaped: 'folde%3FrC/fil%23F.txt' },
  ];

  beforeEach(done => {
    // Create a mock adapter for stubbing axios API requests
    mock = new MockAdapter(axios);

    element = $(TEMPLATE);
    mock.onGet(FILE_FIND_URL).replyOnce(200, files.map(x => x.path));
    getProjectFindFileInstance(); // This triggers a load / axios call + subsequent render in the constructor

    setImmediate(done);
  });

  afterEach(() => {
    // Reset the mock adapter
    mock.restore();
    sanitize.mockClear();
  });

  it('loads and renders elements from remote server', () => {
    expect(findFiles()).toEqual(
      files.map(({ path, escaped }) => ({
        text: path,
        href: `${BLOB_URL_TEMPLATE}/${escaped}`,
      })),
    );
  });

  it('sanitizes search text', () => {
    const searchText = element.find('.file-finder-input').val();

    expect(sanitize).toHaveBeenCalledTimes(1);
    expect(sanitize).toHaveBeenCalledWith(searchText);
  });
});