import { _decorator, Component, AnimationComponent, director } from 'cc';
import { PoolManager } from '../../framework/poolManager';
import { ClientEvent } from '../../framework/clientEvent';
import { Constant } from '../../framework/constant';
const { ccclass, property } = _decorator;

@ccclass('TransitionPanel')
export class TransitionPanel extends Component {
    private static TRANSITION_IN: string = 'transitionIn';
    private static TRANSITION_OUT: string = 'transitionOut';

    @property(AnimationComponent)
    animation: AnimationComponent = null!;

    private _loadSceneOver: boolean = false;
    private _sceneName: string = '';

    show (sceneName: string) {
        this._sceneName = sceneName;

        director.addPersistRootNode(this.node);

        this._loadSceneOver = false;
        this.animation.play(TransitionPanel.TRANSITION_IN);
        
        director.preloadScene(Constant.SCENE_NAME.SLECT, () => {
            this._loadSceneOver = true;
            this._transitionOut();
        });
    }

    private _transitionOut () {
        if (this._loadSceneOver) {
            var self = this;
            director.loadScene(this._sceneName, ()=>{
                self.animation.play(TransitionPanel.TRANSITION_OUT);
                self.animation.once(AnimationComponent.EventType.FINISHED, () => {
                    director.removePersistRootNode(self.node);
                    PoolManager.instance.putNode(self.node);
                    ClientEvent.dispatchEvent(Constant.EVENT_NAME.ON_GAME_321);
                }); 
            });
             
        }
    }
}

/**
 * [1] Class member could be defined like this.
 * [2] Use `property` decorator if your want the member to be serializable.
 * [3] Your initialization goes here.
 * [4] Your update function goes here.
 *
 * Learn more about scripting: https://docs.cocos.com/creator/3.3/manual/zh/scripting/
 * Learn more about CCClass: https://docs.cocos.com/creator/3.3/manual/zh/scripting/ccclass.html
 * Learn more about life-cycle callbacks: https://docs.cocos.com/creator/3.3/manual/zh/scripting/life-cycle-callbacks.html
 */