import { describe, expect, it, vi } from 'vitest';

import { copyShareLink } from './useShareLink';

describe('copyShareLink', () => {
  it('copies deterministic share URLs through the Clipboard API', async () => {
    const clipboard = {
      writeText: vi.fn(async () => undefined),
    };

    const result = await copyShareLink(
      {
        machineId: 'four-stroke-petrol-engine',
        explode: 1,
      },
      {
        clipboard,
        urlOptions: {
          baseUrl: 'https://mechanica.example/explorer',
        },
      },
    );

    expect(result).toEqual({
      ok: true,
      url: 'https://mechanica.example/explorer?ex=1&m=four-stroke-petrol-engine',
      method: 'clipboard',
    });
    expect(clipboard.writeText).toHaveBeenCalledWith(
      'https://mechanica.example/explorer?ex=1&m=four-stroke-petrol-engine',
    );
  });

  it('reports unsupported copy when clipboard and legacy fallbacks are unavailable', async () => {
    const result = await copyShareLink(
      {
        machineId: 'steam-engine',
      },
      {
        clipboard: null,
        preferLegacyFallback: false,
        urlOptions: {
          baseUrl: 'https://mechanica.example/explorer',
        },
      },
    );

    expect(result.ok).toBe(false);
    expect(result.method).toBe('unsupported');
    expect(result.url).toBe('https://mechanica.example/explorer?m=steam-engine');
  });
});