import SDKControllerBase from "./SDKControllerBase";

export default class SDKContrllerManager {

    private static _instance : SDKContrllerManager;

    private _controllers : {[name:string]:SDKControllerBase};

    constructor() {
        if(SDKContrllerManager._instance){
            throw console.error("the object is had already!");
        }
        this._controllers = {};
        SDKContrllerManager._instance = this;
    }

    public static instance():SDKContrllerManager{
        if(!SDKContrllerManager._instance){
            SDKContrllerManager._instance = new SDKContrllerManager();
        }
        return  SDKContrllerManager._instance;
    }

    public addController(name:string,controller:SDKControllerBase):void{
        this._controllers[name] = controller;
    }

    public getController(name:string):SDKControllerBase{
        return this._controllers[name];
    }

    public removeController(name:string):void{
        let controler : SDKControllerBase ;

        controler = this._controllers[name];
        if(controler){
            controler.destroy();
            this._controllers[name] = null;
            delete this._controllers[name];
        }
    }
}