/* classe InfoBox */
export class InfoBox{


	constructor(msgObject){

		/* (1) get reference target */
		this.target = msgObject;

		/* (2) Init useful variables */
		this.stack   = [];    // message stack
		this.pending = false; // if currently waiting/showing


	}

	show(msg, type, timeout=2000){

		console.log(this.stack, this.pending);

		/* (1) If pending -> add to stack */
		if( this.pending )

			this.stack.push( {message: msg, type: type, to: timeout} );

		/* (2) Else -> display message */
		else
			this._display(msg, type, timeout);

	}


	_next(){

		/* (1) Init */
		this.target.active = false;


		/* (2) Get last active message + pop stack */
		var buf = this.stack.pop();

		/* (3) If no more msg -> exit */
		if( buf == null )
			return (this.pending = false);

		/* (4) Send current message */
		this._display(buf.message, buf.type, buf.to);

	}


	_display(msg, type, timeout=2000){

		/* (1) Set pending */
		this.pending = true;

		/* (2) Set message data */
		this.target.message = msg;
		this.target.type    = type;
		this.target.active  = true;

		/* (3) Timeout to next */
		setTimeout(this._next.bind(this), timeout);
	}

}