import { _decorator, Component, Node, Prefab, instantiate, Vec3, director } from 'cc';
import { GameManager } from './GameManager';
import { Bullet } from './Bullet';
const { ccclass, property } = _decorator;

@ccclass('Block')
export class Block extends Component {
    @property(Prefab)
    bulletPrefab: Prefab = null;

    @property
    cooldownTime: number = 0.5;

    private _canFire: boolean = true;
    private _gameManager: GameManager = null;

    start() {
        // 获取游戏管理器
        this._gameManager = director.getScene().getComponentInChildren(GameManager);
    }

    fireBullet() {
        if (!this._canFire || !this.bulletPrefab) return;
        
        // 设置冷却时间
        this._canFire = false;
        this.scheduleOnce(() => {
            this._canFire = true;
        }, this.cooldownTime);
        
        // 创建子弹
        const bullet = instantiate(this.bulletPrefab);
        this.node.parent.addChild(bullet);
        
        // 设置子弹位置
        bullet.setPosition(this.node.position.clone());
        
        // 获取最近的敌人
        const enemies = this._gameManager.getEnemies();
        if (enemies && enemies.length > 0) {
            // 找到最近的敌人
            let nearestEnemy = null;
            let minDistance = Infinity;
            
            for (const enemy of enemies) {
                const distance = Vec3.distance(this.node.position, enemy.position);
                if (distance < minDistance) {
                    minDistance = distance;
                    nearestEnemy = enemy;
                }
            }
            
            // 设置子弹目标
            if (nearestEnemy) {
                const bulletComp = bullet.getComponent(Bullet);
                if (bulletComp) {
                    bulletComp.setTarget(nearestEnemy);
                }
            }
        }
    }
}