/**
 * Smoke-Tests für die Test-Helfer aus Task A0.
 * Stellt sicher, dass Logger, MockRenderEngine und InMemoryDoc funktionieren,
 * BEVOR spätere Tasks auf ihnen aufbauen.
 */
import { describe, it, expect, vi } from 'vitest';
import { logger, setLogLevel } from '../src/utils/logger';
import { MockRenderEngine } from './helpers/mockAdapter';
import { createInMemoryDoc, makeTestLayer } from './helpers/inMemoryDoc';
import type { CADElement } from '../src/types/cad.types';

describe('A0 helpers – logger', () => {
  it('schreibt info im Default-Level in die Testumgebung', () => {
    const spy = vi.spyOn(console, 'log').mockImplementation(() => {});
    setLogLevel('info');
    logger.info('smoke test message');
    expect(spy).toHaveBeenCalledWith('[web-cad]', 'smoke test message');
    spy.mockRestore();
  });

  it('debug bleibt bei Level info still und erscheint bei debug', () => {
    const spy = vi.spyOn(console, 'log').mockImplementation(() => {});
    setLogLevel('info');
    logger.debug('hidden');
    expect(spy).not.toHaveBeenCalled();
    setLogLevel('debug');
    logger.debug('visible');
    expect(spy).toHaveBeenCalledWith('[web-cad][debug]', 'visible');
    spy.mockRestore();
  });
});

describe('A0 helpers – MockRenderEngine', () => {
  it('protokolliert Aufrufe mit Reihenfolge und Argumenten', () => {
    const mock = new MockRenderEngine();
    mock.render();
    mock.hitTest(10, 20, 5);
    mock.setPreviewElement(null);

    expect(mock.countCalls('render')).toBe(1);
    expect(mock.countCalls('hitTest')).toBe(1);
    expect(mock.lastArgsOf('hitTest')).toEqual([10, 20, 5]);
    expect(mock.calls.map((c) => c.method)).toEqual(['render', 'hitTest', 'setPreviewElement']);
  });

  it('liefert konfigurierbare hitTest-Ergebnisse', () => {
    const mock = new MockRenderEngine();
    const el = { id: 'e1', type: 'line' } as unknown as CADElement;
    mock.nextHitTestResult = el;
    expect(mock.hitTest(0, 0)).toBe(el);
    mock.reset();
    expect(mock.hitTest(0, 0)).toBeNull();
  });
});

describe('A0 helpers – createInMemoryDoc', () => {
  it('erstellt netzwerkfreies Dokument mit Seeding', () => {
    const { ydoc, addAll } = createInMemoryDoc();
    ydoc.data.layers.set('layer-1', makeTestLayer() as never);
    const el = { id: 'el1', type: 'rect', layerId: 'layer-1', x: 0, y: 0, width: 1, height: 1, properties: {} } as unknown as CADElement;
    addAll([el]);
    expect(ydoc.getElements().length).toBe(1);
    expect(ydoc.getLayers().length).toBe(1);
  });

  it('clear entfernt alle Elemente', () => {
    const { ydoc, addAll, clear } = createInMemoryDoc();
    const el = { id: 'el1', type: 'rect', layerId: 'layer-1', x: 0, y: 0, width: 1, height: 1, properties: {} } as unknown as CADElement;
    addAll([el]);
    expect(ydoc.getElements().length).toBe(1);
    clear();
    expect(ydoc.getElements().length).toBe(0);
  });
});