import { Component } from '../core/Component.ts';
import { ComponentType } from '../core/Constants.ts';

/**
 * Component for AI behavior and state.
 */
export class AI extends Component {
  behaviorType: string;
  state: string;
  target: number | null;
  awareness: number;
  alertRadius: number;
  chaseRadius: number;
  fleeRadius: number;
  wanderSpeed: number;
  wanderDirection: number;
  wanderChangeTime: number;
  wanderChangeInterval: number;

  /**
   * @param behaviorType - The initial behavior type
   */
  constructor(behaviorType = 'wander') {
    super(ComponentType.AI);
    this.behaviorType = behaviorType;
    this.state = 'idle';
    this.target = null;
    this.awareness = 0;
    this.alertRadius = 60;
    this.chaseRadius = 120;
    this.fleeRadius = 40;

    this.wanderSpeed = 20;
    this.wanderDirection = Math.random() * Math.PI * 2;
    this.wanderChangeTime = 0;
    this.wanderChangeInterval = 2.0;
  }

  /**
   * Set the behavior type for this AI.
   * @param type - The new behavior type (e.g., 'wander', 'patrol', 'chase')
   */
  setBehavior(type: string): void {
    this.behaviorType = type;
  }

  /**
   * Set a target entity for the AI to interact with.
   * @param entityId - The ID of the target entity
   */
  setTarget(entityId: number): void {
    this.target = entityId;
  }

  /**
   * Clear the current target.
   */
  clearTarget(): void {
    this.target = null;
  }

  /**
   * Update the AI's awareness level.
   * @param delta - The amount to change awareness by
   * @param maxAwareness - The maximum awareness level
   */
  updateAwareness(delta: number, maxAwareness = 1.0): void {
    this.awareness = Math.min(maxAwareness, this.awareness + delta);
    if (this.awareness <= 0) {
      this.awareness = 0;
    }
  }
}