import { beforeEach, describe, expect, it, vi } from 'vitest';
import { readClipboardDownloadUrls } from './clipboard';
import { readText } from '@tauri-apps/plugin-clipboard-manager';

vi.mock('@tauri-apps/plugin-clipboard-manager', () => ({
  readText: vi.fn(),
}));

describe('clipboard URL extraction', () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  it('reads only supported, unique download URLs from clipboard text', async () => {
    vi.mocked(readText).mockResolvedValue(
      'https://example.com/file.zip\nhttps://example.com/file.zip ftp://example.com/file.bin sftp://example.com/file.iso mailto:user@example.com'
    );

    await expect(readClipboardDownloadUrls()).resolves.toEqual([
      'https://example.com/file.zip',
      'ftp://example.com/file.bin',
      'sftp://example.com/file.iso',
    ]);
  });

  it('preserves clipboard read failures for the caller to handle', async () => {
    const error = new Error('clipboard unavailable');
    vi.mocked(readText).mockRejectedValue(error);

    await expect(readClipboardDownloadUrls()).rejects.toBe(error);
  });
});