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

/**
 * System to track and render skill effects (Fire Breath, Pounce, etc.)
 */
export class SkillEffectSystem extends System {
  constructor() {
    super('SkillEffectSystem');
    this.requiredComponents = []; // No required components
    this.priority = 50; // Run after skills but before rendering
    this.activeEffects = [];
  }

  process(deltaTime, _entities) {
    // Update all active effects
    for (let i = this.activeEffects.length - 1; i >= 0; i--) {
      const effect = this.activeEffects[i];
      effect.lifetime -= deltaTime;
      effect.time += deltaTime;

      if (effect.lifetime <= 0) {
        this.activeEffects.splice(i, 1);
      }
    }
  }

  /**
     * Add a skill effect
     */
  addEffect(effect) {
    this.activeEffects.push(effect);
  }

  /**
     * Get all active effects
     */
  getEffects() {
    return this.activeEffects;
  }
}