package exercises;

public class calculator {

	public static void showMenu(calc calculator)
	{
		String operation = "";
		
		switch (calculator.getOperation()) {
		case 1:
			operation = "+";
			break;
		case 6:
			operation = "Square root";
			break;
		case 7:
			operation = "";
			break;
		default:
			break;
		}
		if ((calculator.getOperation() >= 1) && (calculator.getOperation() <= 5)) 
			System.out.println(calculator.getFirstNumber() + " " + operation + " " + calculator.getSecondNumber() + " = " + calculator.getResult());
		else if ((calculator.getOperation() >= 6) && (calculator.getOperation() <= 6))
			System.out.println(operation + " " + calculator.getFirstNumber() + " = " + calculator.getResult());			
		else
			System.out.println(calculator.getErrorMessage());
		System.out.println("--------------------------------------------"); 
		System.out.println("1) Сложение"); 
		System.out.println("2) Вычитание"); 
		System.out.println("3) Умножение"); 
		System.out.println("4) Деление"); 
		System.out.println("5) Возведение в степень"); 
		System.out.println("6) Извлечение корня"); 
		System.out.println("7) Очистка");
		System.out.println("8) Выход"); 
		System.out.println("---------Сделайте выбор-------------------------------\n"); 

	}

	public static void main(String[] args) 
	{
		calc calculator = new calc();
		showMenu(calculator);
		int choise=0;

		do
		{
			input value = new input((byte)0);
			choise = (byte)value.value;
			calculator.calculate((byte)choise);
			showMenu(calculator);
		} while (choise != 8);
	}

}