/**
 * CAD-14 Phase 4a: toolOptionsService — zentraler Store fuer
 * Werkzeug-Optionen (Laenge, Breite, chordCount, Winkel...).
 * Quelle der Defaults: optionsSchema der V2-Werkzeuge.
 * Der InteractionDispatcher liest darueber getOptions.
 */
import { describe, it, expect, beforeEach } from 'vitest';
import {
  getToolOption,
  setToolOption,
  getToolOptions,
  resetToolOptions,
  subscribeToolOptions,
  defaultsFromSchema,
  setToolOptionsDefaults,
} from '../src/services/toolOptionsService';

describe('CAD-14 Phase 4a: toolOptionsService', () => {
  beforeEach(() => {
    resetToolOptions();
  });

  it('defaultsFromSchema: leitet Defaults aus optionsSchema ab', () => {
    const defaults = defaultsFromSchema([
      { key: 'length', label: 'Länge', type: 'number', min: 10, max: 1000 },
      { key: 'chordCount', label: 'Gurtrohre', type: 'number', min: 1, max: 4 },
    ] as never);
    // number ohne expliziten default: min clamped auf sinnvollen Start
    expect(defaults.length).toBeDefined();
    expect(defaults.chordCount).toBeDefined();
  });

  it('set/get: Wert wird gespeichert und gelesen', () => {
    setToolOption('truss', 'length', 175);
    expect(getToolOption('truss', 'length')).toBe(175);
  });

  it('getToolOption ohne Set: default aus Schema (defaultsFromSchema)', () => {
    setToolOptionsDefaults('truss', { length: 200, chordCount: 2, trussWidth: 29 });
    expect(getToolOption('truss', 'length')).toBe(200);
    expect(getToolOption('truss', 'chordCount')).toBe(2);
  });

  it('getToolOptions liefert Gesamtsatz (defaults + gesetzte Werte)', () => {
    setToolOptionsDefaults('truss', { length: 200, trussWidth: 29 });
    setToolOption('truss', 'length', 300);
    const all = getToolOptions('truss');
    expect(all.length).toBe(300);
    expect(all.trussWidth).toBe(29);
  });

  it('subscribe: Benachrichtigung bei Änderung (UI-Update)', () => {
    let notified = 0;
    const unsub = subscribeToolOptions(() => { notified++; });
    setToolOption('truss', 'length', 250);
    unsub();
    setToolOption('truss', 'length', 260);
    expect(notified).toBe(1);
  });

  it('resetToolOptions leert alles', () => {
    setToolOptionsDefaults('truss', { length: 200 });
    resetToolOptions();
    expect(getToolOption('truss', 'length', 99)).toBe(99);
  });
});