import { ApiError } from '../../backend/src/common/errors/api-error';
import { ERROR_CODES } from '../../backend/src/common/errors/error-codes';

describe('ApiError', () => {
  it('formats validation errors with details', () => {
    const e = ApiError.validation('Bad input', { field: 'x' });
    expect(e.getStatus()).toBe(400);
    const body = e.getResponse() as any;
    expect(body.code).toBe(ERROR_CODES.VALIDATION_FAILED);
    expect(body.message).toBe('Bad input');
    expect(body.details).toEqual({ field: 'x' });
  });

  it('formats last-admin conflict', () => {
    const e = ApiError.conflict(ERROR_CODES.LAST_ADMIN, 'Cannot delete the last admin');
    expect(e.getStatus()).toBe(409);
    const body = e.getResponse() as any;
    expect(body.code).toBe(ERROR_CODES.LAST_ADMIN);
  });

  it('formats internal error as 500', () => {
    const e = ApiError.internal();
    expect(e.getStatus()).toBe(500);
  });
});