import { _decorator, Component, js,Node } from 'cc';
import { GunBase } from './GunBase';
import { PoolManager } from '../../core/manager/PoolManager';
import { Enemy } from '../../game/Enemy';

const { ccclass, property } = _decorator;

@ccclass('BulletBase')
export class BulletBase extends Component {
    public isDead: boolean = false;
    //枪的数据 在gunBase中
    public gunBase: GunBase = null!;
    //子弹自动回收的时间4s
    public recycleTime: number = 4;
    
    constructor(){
        super();
        this.isDead = false;
    }
    
    start() {
        this.scheduleOnce(this.autoRecycle.bind(this),this.recycleTime);
    }

    /**
     * 递归查找父节点直到找到名字为 "enemy" 的节点
     * @param startNode 起始查找的节点
     * @returns 找到的 Enemy 节点（未找到返回 null）
     */
    public findEnemyNode(startNode: Node): Node | null {
        let currentNode: Node | null = startNode;
        const clsName: string = js.getClassName(Enemy);
        let nodeName: string = clsName.charAt(0).toLowerCase() + clsName.slice(1);
        while (currentNode) {//匹配节点名字为enemy
            if (currentNode.name == nodeName) {
                return currentNode;
            }
            currentNode = currentNode.parent;
        }
        return null; // 未找到
    }

    /**
     * 自动回收子弹
     */
    public autoRecycle(){
        if(!this.isDead){
            this.isDead = true;
            PoolManager.putNode(this.node);
        }
    }
}