import { Injectable, signal } from '@angular/core';

const EXPERT_MODE_KEY = 'scn_expert_mode';

@Injectable({
  providedIn: 'root'
})
export class SettingsService {
  private _expertMode = signal(false);

  expertMode = this._expertMode.asReadonly();

  constructor() {
    this.loadFromStorage();
  }

  private loadFromStorage(): void {
    const stored = localStorage.getItem(EXPERT_MODE_KEY);
    if (stored === 'true') {
      this._expertMode.set(true);
    }
  }

  setExpertMode(enabled: boolean): void {
    localStorage.setItem(EXPERT_MODE_KEY, String(enabled));
    this._expertMode.set(enabled);
  }

  toggleExpertMode(): void {
    this.setExpertMode(!this._expertMode());
  }
}