import { ThemeLoaderService, BUILTIN_THEMES } from '../../backend/src/common/utils/theme-loader.service';

describe('ThemeLoaderService builtins', () => {
  it('includes all 10 canonical theme ids', () => {
    const ids = BUILTIN_THEMES.map((t) => t.id).sort();
    expect(ids).toEqual([
      'classic', 'crimson', 'cyber', 'forest', 'midnight',
      'monochrome', 'neon', 'ocean', 'paper', 'sunset',
    ]);
  });

  it('every builtin theme has full tokens', () => {
    for (const t of BUILTIN_THEMES) {
      expect(t.tokens.primary).toMatch(/^#/);
      expect(t.tokens.radii.sm).toBeTruthy();
      expect(t.tokens.spacingScale.length).toBeGreaterThan(0);
    }
  });

  it('falls back to default for unknown id', () => {
    const config = { get: jest.fn((k: string, d: any) => d) } as any;
    const settings = { get: jest.fn().mockResolvedValue('classic') } as any;
    const svc = new ThemeLoaderService(config, settings);
    return svc.onModuleInit().then(() => {
      const t = svc.getTheme('totally-unknown');
      expect(t.id).toBe('classic');
    });
  });
});