package prgus2;

import java.util.Scanner;

public class Calculator {


	public static void main(String[] args){
		System.out.println("Welcome to the calculator! Here we will ask you 2 numbers.");
		System.out.println("These numbers will be printed out with :add, Substract, multiply, Devide, Square and exponentiation!");
		Scanner input = new Scanner(System.in);
		System.out.print("Give us your first number --> ");
		int firstNumber = input.nextInt();

		Scanner input2 = new Scanner(System.in);
		System.out.print("Give us your second number -->");
		int secondNumber = input2.nextInt();

		add(firstNumber,secondNumber);
		subtract(firstNumber,secondNumber);
		multply(firstNumber,secondNumber);
		devide(firstNumber,secondNumber);
		square(firstNumber);
		exponentiation(firstNumber,secondNumber);
	}

	public static int add(int firstNumber, int secondNumber) {
		int antwoord = firstNumber + secondNumber;
		System.out.println(firstNumber + " + " + secondNumber + " = " + antwoord);

		return 0;
	}

	public static int subtract(int firstNumber, int secondNumber) {
		int antwoord2 = firstNumber - secondNumber;
		System.out.println(firstNumber + " - " + secondNumber + " = " + antwoord2);

		return 0;
	}

	public static int multply(int firstNumber, int secondNumber) {
		int answer = 0;
		for(int i = 0; i < secondNumber; i++) {
			answer = firstNumber + answer;
		}
		System.out.println(firstNumber + " * " + secondNumber + " = " + answer);
		return 0;
	}

	public static int devide(int firstNumber, int secondNumber) {
		int answer = 0;
		for(int i = secondNumber; i <= firstNumber;i = i + secondNumber) {
			answer = answer + 1;
		}
		System.out.println(firstNumber + " / " + secondNumber + " = " + answer);

		return 0;
	}

	/*
	 * Methode hieronder is voor een tweede machtsverheffing
	 */

	public static int square(int firstNumber) {
		int answer = 0;
		for(int i = 0; i < firstNumber; i++) {
			answer = firstNumber * firstNumber;
		}
		System.out.println(firstNumber + "²" +" = " + answer);

		// HINT: multiply???
		return 0;
	}

	/*
	 * Methode hieronder is voor de verheffing van het grondgetal 'number1' tot een willekeurige macht, het exponent 'number2'
	 */

	public static int exponentiation(int firstNumber, int secondNumber) {
        int originalNumber = firstNumber;

        for (int i = 1; i < secondNumber; i++) {
            firstNumber = multply(firstNumber, originalNumber);
        }

        return 1;
    }
}