import java.util.Scanner;

public class UseElevator
{
    Elevator elevador;
    boolean sair;

    public UseElevator(Elevator elevador)
    {
        this.elevador = elevador;
        sair = false;
    }

    void run()
    {
        while(!sair){
            askForInput();
        }
    }

    public void askForInput()
    {
        Scanner s = new Scanner(System.in);
        char c;
        String option, optionList;

        System.out.println();
        System.out.println("******** " + elevador + " ********");
        System.out.println();


        optionList = "(Q)uit" + (elevador.canGoUp()?", (U)p":"");
        optionList += (elevador.canGoDown()?", (D)own":"");
        optionList += (elevador.isInErrorState()?", (S)afety key" : ", (E)rror");
        optionList += ": ";

        System.out.print(optionList);
        option = s.next().toUpperCase();

        if(option.length() >= 1){
            c = option.charAt(0);
        }else{
            c = ' ';
        }

        switch(c){
            case 'U':
                elevador.up();
                break;
            case 'D':
                elevador.down();
                break;
            case 'E':
                elevador.error();
                break;
            case 'S':
                elevador.safetyKey();
                break;
            case 'Q':
                sair = true;
                break;
            default:
                break;
        }

    }

    public static void correPuta()
    {
        Elevator e = new Elevator();
        UseElevator usaE = new UseElevator(e);
        usaE.run();
    }

}