public class Trailers {
    public static Scanner scanner = new Scanner(System.in);
    public static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    public static String question;
    public static int smallTrailer = 5;
    public static String costumerName;
    public static String[] namesSmallTrailer = {"", "", "", "", ""};
    public static int i = 0;


    public static void smallTrailerAvaible() {
        System.out.println("there are " + smallTrailer + " small trailers avaible");
    }

    static void costumersNames() throws IOException {

        int number = 1;
        for (int i = 0; i < 5; i++) {
            System.out.println("Small trailer " + number + " " + namesSmallTrailer[i]);
            number++;
        }

    }


    public static void smallTrailers() throws IOException {
        System.out.println("Name of costumer");


        namesSmallTrailer[i] = reader.readLine();
        if (namesSmallTrailer.equals("")) {
            System.out.println("Please enter name");
        }




    int weight = 750;
        System.out.println("What is the weight of the load (in kg)?");
    int weightSmall = scanner.nextInt();
    int optimalWeight = weightSmall - weight;
        if(weightSmall >weight)

    {
        System.out.println("Warning! The maximum load (750 kg) is exceeded by " + optimalWeight + "  kg!");
    }
        System.out.println("Are you sure y/n");
    question =scanner.next();
        if(question.equals("y"))

    {

        if (smallTrailer >= 5) {
            System.out.println("there are no trailers avaible");
        } else {
            smallTrailer = smallTrailer - 1;
            i++;


        }

    }
        if(question.equals("n"))

    {

        namesSmallTrailer[i] = "";
    }

}

    static void largeTrailers() {

    }

    static void Overview() throws IOException {
        costumersNames();
        smallTrailerAvaible();


    }

    static void exitMenu() {
        System.exit(0);

    }

    public void menu() throws IOException {
        char quit = 'n';
        String input;
        int choise = 0;
        Scanner scanner = new Scanner(System.in);
        boolean a = true;


        while (a) {
            System.out.println("******************************************");
            System.out.println("* Trailer rental");
            System.out.println("******************************************");
            System.out.println("* 1) Rent small trailer 1");// 5
            System.out.println("* 2) Rent large trailer"); // 3
            System.out.println("* 3) Overview"); // арендованые
            System.out.println("* 9) Exit");
            System.out.println("******************************************");
            System.out.println(" Select an option:");

            choise = scanner.nextInt();
            switch (choise) {
                case 1:
                    smallTrailers();
                    break;
                case 2:
                    largeTrailers();
                    break;
                case 3:
                    Overview();
                    break;
                case 9:
                    exitMenu();
                default:
                    System.out.println("Choose between 1,2 or 9");

            }
        }
    }

    public static void main(String[] args) throws IOException {
        new Trailers().menu();

    }