import { Mentions } from '../types';
import { arrayInsertAt, deserialize, getAffectedMentionIndexes, serialize, stringReplace } from '../utils';

describe('arrayInsertAt', () => {
  it('works properly', async () => {
    expect(arrayInsertAt(2, 'c', ['a', 'b', 'd', 'e'])).toEqual(['a', 'b', 'c', 'd', 'e']);
  });
});

describe('stringReplace', () => {
  it('works properly', async () => {
    expect(stringReplace(2, 4, 'c', 'abdef')).toEqual('abcf');
  });
});

describe('deserialize', () => {
  it('works properly', async () => {
    expect(
      deserialize([{ text: 'Test ' }, { text: '@Toan', ref: '1' }, { text: ' and ' }, { text: '@Hieu', ref: '2' }]),
    ).toEqual([
      'Test @Toan and @Hieu',
      [
        { id: '1', name: '@Toan', offset: [5, 11] },
        { id: '2', name: '@Hieu', offset: [15, 21] },
      ],
    ]);
  });
});

describe('serialize', () => {
  it('works properly', () => {
    expect(
      serialize('@Toan, @Hieu and @ReasonML', [
        { id: '1', name: '@Toan', offset: [0, 6] },
        { id: '2', name: '@Hieu', offset: [7, 13] },
        { id: '3', name: '@ReasonML', offset: [17, 27] },
      ]),
    ).toEqual([
      { text: '', ref: undefined },
      { text: '@Toan', ref: '1' },
      { text: ', ', ref: undefined },
      { text: '@Hieu', ref: '2' },
      { text: ' and ', ref: undefined },
      { text: '@ReasonML', ref: '3' },
      { text: '', ref: undefined },
    ]);

    expect(
      serialize('@Toan@Hieu@ReasonML', [
        { id: '1', name: '@Toan', offset: [0, 6] },
        { id: '2', name: '@Hieu', offset: [5, 11] },
        { id: '3', name: '@ReasonML', offset: [10, 20] },
      ]),
    ).toEqual([
      { text: '', ref: undefined },
      { text: '@Toan', ref: '1' },
      { text: '', ref: undefined },
      { text: '@Hieu', ref: '2' },
      { text: '', ref: undefined },
      { text: '@ReasonML', ref: '3' },
      { text: '', ref: undefined },
    ]);
  });
});

describe('getAffectedMentionIndexes', () => {
  const mentions: Mentions = [
    { id: '1', name: '@Toan', offset: [0, 6] },
    { id: '2', name: '@Hieu', offset: [7, 13] },
    { id: '3', name: '@ReasonML', offset: [17, 27] },
  ];

  it.each`
    selection   | result
    ${[0, 0]}   | ${[[], [0, 1, 2]]}
    ${[1, 1]}   | ${[[0], [1, 2]]}
    ${[5, 6]}   | ${[[0], [1, 2]]}
    ${[6, 6]}   | ${[[], [1, 2]]}
    ${[13, 17]} | ${[[], [2]]}
    ${[5, 8]}   | ${[[0, 1], [2]]}
    ${[99, 99]} | ${[[], []]}
  `('works properly', ({ selection, result }) => {
    expect(getAffectedMentionIndexes(selection, mentions)).toEqual(result);
  });
});