import { describe, expect, it, vi } from 'vitest';
import { listTags } from '../src/github.js';

// Vitest statically hoists `vi.mock(...)` calls above every static
// `import` in the file, so the factory below is registered before
// `../src/github.js` is evaluated even though it appears afterwards
// textually.
vi.mock('@actions/github', () => ({
  context: { repo: { owner: 'mock-owner', repo: 'mock-repo' } },
  getOctokit: vi.fn().mockReturnValue({
    rest: {
      repos: {
        listTags: vi.fn().mockImplementation(({ page }: { page: number }) => {
          if (page === 6) {
            return { data: [] };
          }

          const res = [...new Array(100).keys()].map((_) => ({
            name: `v0.0.${_ + (page - 1) * 100}`,
            commit: { sha: 'string', url: 'string' },
            zipball_url: 'string',
            tarball_url: 'string',
            node_id: 'string',
          }));

          return { data: res };
        }),
      },
    },
  }),
}));

describe('github', () => {
  it('returns all tags', async () => {
    const tags = await listTags(true);

    expect(tags.length).toEqual(500);
    expect(tags[499]).toEqual({
      name: 'v0.0.499',
      commit: { sha: 'string', url: 'string' },
      zipball_url: 'string',
      tarball_url: 'string',
      node_id: 'string',
    });
  });

  it('returns only the first page when shouldFetchAllTags is false', async () => {
    const tags = await listTags(false);

    expect(tags.length).toEqual(100);
    expect(tags[99]).toEqual({
      name: 'v0.0.99',
      commit: { sha: 'string', url: 'string' },
      zipball_url: 'string',
      tarball_url: 'string',
      node_id: 'string',
    });
  });
});