package pl.cschool.zadania.week1;

public class zadania {

	public static void main(String[] args) {
		System.out.println(countWordOccurences("Czesc nazywam sie lukasz"));
	}

	public static int squareField(int side) {
		int field = side * side;
		return field;
	}

	public static int squareCircuit(int side) {
		int circuit = side * 4;
		return circuit;
	}

	public static int rectangleField(int sideA, int sideB) {
		int field = sideA * sideB;
		return field;
	}

	public static int rectangleCircuit(int sideA, int sideB) {
		int circuit = (sideA * 2) + (sideB * 2);
		return circuit;
	}

	public static double circleField(int radius) {
		double pi = Math.PI;
		int radiusToPower = (int) Math.pow(radius, 2);
		double field = radiusToPower * pi;
		return field;
	}

	public static double circleCircuit(int diameter) {
		double pi = Math.PI;
		double circuit = diameter * pi;
		return circuit;
	}

	public static int charCounter(String word) {
		int counter = 0;
		for(int i=0; i<word.length(); i++) {
			if (Character.isLetter(word.charAt(i))) {
				counter++;
			}
		}
		return counter;
	}

	public static String reverseWord(String word) {
		String reversed = new StringBuilder(word).reverse().toString();
		return reversed;
	}

	public static boolean checkIfStartsWith(String word, String ifItBegins) {
		if(word.startsWith(ifItBegins)) {
			return true;
		} else {
			return false;
		}
	}

	public static boolean checkIfContains(String word, String ifIncludes) {
		if(word.toLowerCase().contains(ifIncludes.toLowerCase())) {
			return true;
		} else {
			return false;
		}
	}

	public static int countWordOccurences(String aFullStatement) {
		String[] words = aFullStatement.split(" ");
		int wordOccurences = words.length;
		return wordOccurences;
	}
}