import { _decorator, Component, Node, Tween, tween, UIOpacity } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('Item')
export class Item extends Component {

    @property
    itemType: number = 0;

    onLoad() {
        this.node.on("init", this.init, this);
        this.node.on("initShow", this.initShow, this);
        this.setBlink();
    }

    init() {
        this.node.active = true;
        setTimeout(() => {
            if (this.node) {
                this.node.active = false;
            }
        }, 0.5 * 1000);
    }

    initShow(index: number) {
        Tween.stopAllByTarget(this.node.getComponent(UIOpacity));
        this.node.getComponent(UIOpacity).opacity = 1;
        tween(this.node.getComponent(UIOpacity)).to(index * 0.2, { opacity: 255 }).start();
    }

    setBlink() {
        let random = Math.random();
        setTimeout(() => {
            let time = Math.random() * 2 + 0.5;
            let e1 = this.node.getChildByName("e1");
            let e2 = this.node.getChildByName("e2");
            let tw = tween(this).delay(time).call(() => {
                e1.active = !e1.active;
                e2.active = !e2.active;
            });
            tween(this).repeatForever(tw).start();
        }, random * 1000);
    }

    start() {

    }

    update(deltaTime: number) {
        
    }
}