/**
 * 视图基类
 */
import ViewEvent from "./ViewEvent";
import { ViewManager } from "../manager/ViewManager";
import UIUtils, { UIContainer } from "../../util/UIUtils";
import NotificationManager from "../manager/NotificationManager";
import BaseMediator from "./BaseMediator";
import SdkManager from "../../../resources/sdk/script/SdkManager";
const { ccclass, property } = cc._decorator;

@ccclass
export class BaseView extends cc.Component {

    /** 当前视图的事件对象 */
    private __event__: ViewEvent;
    /** UI节点引用 */
    public ui: UIContainer;

    public __init__(): void {
        this.__event__ = new ViewEvent();
        this.ui = UIUtils.seekAllSubView(this.node);
        this.init();
    }

    /**
     * view 创建时会被调用，子类可以重写.
     */
    public init(): void {
      
    }

    /**
     * 发送UI事件
     * @param {string} event 事件名称
     * @param {Object} body 事件参数
     */
    public sendEvent(event: string, body?: any): void {
        this.__event__.emit(event, body)
    }

    /**
     * 绑定UI事件
     * @param {string} name 事件名称
     * @param {(body: any)=>void} cb 事件回调
     * @param {BaseMediator} target 事件回调绑定对象
     * @private 私有函数，不得调用。
     */
    public __bindEvent__(name: string, cb: (body: any) => void, target): void {
        this.__event__.on(name, cb, target);
    }

    /**
     * 关闭当前的界面
     */
    public closeView(): void {
        let bgname = "blackBg" + this.node.name;
        if (this.node.parent && this.node.parent.getChildByName(bgname))
            this.node.parent.getChildByName(bgname).destroy();
        ViewManager.getInstance().__closeView__(this);
        this.__onClose__();
    }

    /**
     * 关闭所有弹出的界面
     */
    public closeAllPopView(): void {
        ViewManager.getInstance().__closeAllPopView__();
    }

    private __onClose__(): void {
        this.__event__.destroy();
        this.onClose();
        this.node.destroy();
    }

    /**
     * 当界面被关闭时会被调用，子类可以重写该方法。
     * @override
     */
    public onClose(): void {

    }

    /**
     * 子类覆盖，返回UI的prefab路径
     * 路径第一个目录为子包名称如：aa/bb/ccc；aa为子包名  bb/ccc为子包内的prefab路径；
     * 如果放在resources的prefab；则路径去掉子包名/bb/ccc
     * @return {string}
     */
    public static path(): string {
        return "";
    }

    /**
     * 注册mediator
     */
    public registerMediator(mediator: { new(): BaseMediator }, view: BaseView,data?:any) {
        let viewMediator: BaseMediator = new mediator();
        viewMediator["__init__"]();
        viewMediator.view = view;
        viewMediator.view.__init__();
        viewMediator.init(data);
    }


}