Class TutorialManager

src/tutorial/tutorialManager.js:8–169

const STORAGE_KEY = 'dogalog_tutorial_progress';

export class TutorialManager {
  constructor() {
    this.currentStep = 0;
    this.completed = false;
    this.listeners = new Map();
    this.loadProgress();
  }

  /**
   * Load progress from localStorage
   */
  loadProgress() {
    try {
      const saved = localStorage.getItem(STORAGE_KEY);
      if (saved) {
        const data = JSON.parse(saved);
        this.currentStep = data.currentStep || 0;
        this.completed = data.completed || false;
      }
    } catch (e) {
      console.warn('Failed to load tutorial progress:', e);
    }
  }

  /**
   * Save progress to localStorage
   */
  saveProgress() {
    try {
      localStorage.setItem(STORAGE_KEY, JSON.stringify({
        currentStep: this.currentStep,
        completed: this.completed
      }));
    } catch (e) {
      console.warn('Failed to save tutorial progress:', e);
    }
  }

  /**
   * Start or restart the tutorial
   */
  start() {
    this.currentStep = 0;
    this.completed = false;
    this.saveProgress();
    this.emit('start');
    this.emit('step', this.currentStep);
  }

  /**
   * Go to next step
   */
  next() {
    this.currentStep++;
    this.saveProgress();
    this.emit('step', this.currentStep);
  }