import { _decorator, CCBoolean, CCInteger, Component, Node } from 'cc';
import { oops } from 'db://oops-framework/core/Oops';
import { GameEvent } from '../common/config/GameEvent';
const { ccclass, property } = _decorator;

@ccclass('move')
export class move extends Component {
    @property({ type: CCInteger })
    speed: number = 2;
    
    @property({ type: CCInteger })
    maxX: number = 640;
    
    @property({ type: CCInteger })
    minX: number = -640;
    
    @property({ type: CCInteger })
    sc: number = 1; // 1: 从左到右, -1: 从右到左
    @property
    isMove:boolean=false
    protected onLoad(): void {
        oops.message.on(GameEvent.MAP_MOVE_END_LEFT, this.onMapMoveEndLeft, this);
        oops.message.on(GameEvent.MAP_MOVE_END_RIGHT, this.onMapMoveEndRight, this);
    }
    start() {
        // 根据移动方向设置初始位置
    }
    onMapMoveEndLeft() {
       if(this.sc==-1){
            this.isMove=true
            this.setInitialPosition()
       }
    }
    onMapMoveEndRight() {
        if(this.sc==1){
            this.isMove=true
            this.setInitialPosition()
        }
    }
    /**
     * 根据移动方向设置初始位置
     */
    setInitialPosition() {
        if (this.sc > 0) {
            // 从左到右移动，起点为 minX
            this.node.setPosition(this.minX, this.node.position.y);
        } else if (this.sc < 0) {
            // 从右到左移动，起点为 maxX
            this.node.setPosition(this.maxX, this.node.position.y);
        }
    }

    update(dt: number) {
        // 更新位置
        if(this.isMove){
        const newX = this.node.position.x + dt * this.speed * this.sc;
        this.node.setPosition(newX, this.node.position.y);
            // 检查边界并重置位置
            this.checkBoundaries();
        }
    }

    /**
     * 检查边界并重置位置
     */
    checkBoundaries() {
        if (this.sc > 0) {
            // 从左到右移动，到达右边界后回到左边界
            if (this.node.position.x >= this.maxX) {
                this.node.setPosition(this.minX, this.node.position.y);
                this.isMove=false
                oops.message.dispatchEvent(GameEvent.MAP_MOVE_END_LEFT)
            }
        } else if (this.sc < 0) {
            // 从右到左移动，到达左边界后回到右边界
            if (this.node.position.x <= this.minX) {
                this.node.setPosition(this.maxX, this.node.position.y);
                this.isMove=false
                oops.message.dispatchEvent(GameEvent.MAP_MOVE_END_RIGHT)
            }
        }
    }

    /**
     * 动态改变移动方向
     * @param direction 1: 从左到右, -1: 从右到左
     */
    changeDirection(direction: number) {
        this.sc = direction;
        this.setInitialPosition();
    }
}