import {
  CompassLink,
  CompassLinkType,
  CreateLinkInput,
} from '@atlassian/forge-graphql-types';
import updateLinksSegment from './updateLinksSegment';
import { MOCK_COMPONENT_ID } from '../../__tests__/fixtures/mocks';

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

  it('should not delete and update if old and new links are equal', async () => {
    const oldLinks: Array<CompassLink> = [
      {
        id: '1',
        name: 'One',
        type: CompassLinkType.Document,
        url: 'https://localhost:1',
      },
      {
        id: '2',
        name: 'Two',
        type: CompassLinkType.Dashboard,
        url: 'https://localhost:2',
      },
    ];

    const newLinks: Array<CreateLinkInput> = [
      {
        name: 'One',
        type: CompassLinkType.Document,
        url: 'https://localhost:1',
      },
      {
        name: 'Two',
        type: CompassLinkType.Dashboard,
        url: 'https://localhost:2',
      },
    ];

    const gqlSegment = updateLinksSegment(
      MOCK_COMPONENT_ID,
      oldLinks,
      newLinks,
    );

    expect(gqlSegment.mutation).toEqual('');
    expect(gqlSegment.parameters).toHaveLength(0);
    expect(Object.keys(gqlSegment.variables)).toHaveLength(0);
  });

  it('should not delete Document link even if it is eligible for deletion', async () => {
    const oldLinks: Array<CompassLink> = [
      {
        id: '1',
        name: 'One',
        type: CompassLinkType.Document,
        url: 'https://localhost:1',
      },
      {
        id: '2',
        name: 'Two',
        type: CompassLinkType.Dashboard,
        url: 'https://localhost:2',
      },
    ];

    const newLinks: Array<CreateLinkInput> = [
      {
        name: 'Two',
        type: CompassLinkType.Dashboard,
        url: 'https://localhost:2',
      },
    ];

    const gqlSegment = updateLinksSegment(
      MOCK_COMPONENT_ID,
      oldLinks,
      newLinks,
    );

    expect(gqlSegment.mutation).toEqual('');
    expect(gqlSegment.parameters).toHaveLength(0);
    expect(Object.keys(gqlSegment.variables)).toHaveLength(0);
  });

  it('should delete old links and create new ones for non-document link types', async () => {
    const oldLinks: Array<CompassLink> = [
      {
        id: '1',
        name: 'One',
        type: CompassLinkType.Project,
        url: 'https://localhost:1',
      },
      {
        id: '2',
        name: 'Two',
        type: CompassLinkType.Dashboard,
        url: 'https://localhost:2',
      },
    ];

    const newLinks: Array<CreateLinkInput> = [
      {
        name: 'Two',
        type: CompassLinkType.Dashboard,
        url: 'https://localhost:2',
      },
      {
        name: 'Three',
        type: CompassLinkType.OtherLink,
        url: 'https://localhost:3',
      },
    ];

    const gqlSegment = updateLinksSegment(
      MOCK_COMPONENT_ID,
      oldLinks,
      newLinks,
    );

    expect(Object.values(gqlSegment.variables)).toHaveLength(2);
    expect(Object.values(gqlSegment.variables)[0].componentId).toEqual(
      MOCK_COMPONENT_ID,
    );
    expect(Object.values(gqlSegment.variables)[0].link).toEqual('1'); // delete by ID

    expect(Object.values(gqlSegment.variables)[1].link).toEqual(newLinks[1]);
  });
});