import { describe, expect, it, vi } from 'vitest';
import { createDebugLogger, isDebugEnabled } from './debugLogger';

describe('isDebugEnabled', () => {
  it('returns true only when debug is explicitly true', () => {
    expect(isDebugEnabled({ debug: true })).toBe(true);
    expect(isDebugEnabled({ debug: false })).toBe(false);
    expect(isDebugEnabled({})).toBe(false);
    expect(isDebugEnabled(undefined)).toBe(false);
  });
});

describe('createDebugLogger', () => {
  it('writes logs when enabled', () => {
    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
    const logger = createDebugLogger(true, 'ConfigScreen');

    logger.log('hello', { foo: 'bar' });

    expect(logSpy).toHaveBeenCalledTimes(1);
    expect(logSpy.mock.calls[0]?.[0]).toBe('[automatic-backups][ConfigScreen]');
    logSpy.mockRestore();
  });

  it('does not write logs when disabled', () => {
    const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
    const logger = createDebugLogger(false, 'ConfigScreen');

    logger.warn('hidden warning');

    expect(warnSpy).not.toHaveBeenCalled();
    warnSpy.mockRestore();
  });
});