using System;

namespace DesignPatterns.State {
	public class AmountEnteredState : IState {
		public AmountEnteredState( IPosTerminal terminal ) {
			_terminal = terminal;
		}

		public void SwipeCard( string cardNumber ) {
			Console.Out.WriteLine( "You've already swiped a card!" );
		}

		public void EnterAmount( double amount ) {
			Console.Out.WriteLine( "You've already entered an amount" );
		}

		public void EnterPin( string pin ) {
			_terminal.Transaction.Pin = pin;
			_terminal.CurrentState = new PinEnteredState( _terminal );
		}

		public void ProcessTransaction( ) {
			Console.Out.WriteLine( "You haven't entered an amount yet." );
		}

		public void PrintReceipt( ) {
			Console.Out.WriteLine( "You haven't entered an amount yet." );
		}

		private IPosTerminal _terminal;
	}
}