import { Component } from '../core/Component.js';

/**
 * Tracks progress toward learning skills
 * Need to absorb multiple enemies with the same skill to learn it
 */
export class SkillProgress extends Component {
  constructor() {
    super('SkillProgress');
    this.skillProgress = new Map(); // skillId -> count (how many times absorbed)
    this.requiredAbsorptions = 5; // Need to absorb 5 enemies with a skill to learn it
  }

  /**
     * Add progress toward learning a skill
     */
  addSkillProgress(skillId) {
    const current = this.skillProgress.get(skillId) || 0;
    this.skillProgress.set(skillId, current + 1);
    return this.skillProgress.get(skillId);
  }

  /**
     * Check if skill can be learned
     */
  canLearnSkill(skillId) {
    const progress = this.skillProgress.get(skillId) || 0;
    return progress >= this.requiredAbsorptions;
  }

  /**
     * Get progress for a skill
     */
  getSkillProgress(skillId) {
    return this.skillProgress.get(skillId) || 0;
  }

  /**
     * Get all skill progress
     */
  getAllProgress() {
    return this.skillProgress;
  }
}