import java.util.ArrayList;

public class Barracks {

	public static void main(String[] args) {
		Barracks barracks = new Barracks();
		barracks.createFighters('a', Combat.MELEE, 3);
		barracks.createFighters('b', Combat.MELEE, 3);
		barracks.createFighters('c', Combat.MELEE, 3);
		barracks.callFighters("aabbcc", Combat.MELEE);
	}

	private ArrayList<Fighter> fighters = new ArrayList<Fighter>();

	/**
	 * Creates a fighter and puts him in the barracks
	 *
	 * @param lr	the first initial of the fighter
	 * @param type	the combat style the fighter mastered
	 */

	public void createFighter(char lr, Combat type) {
		Fighter r = new Fighter(Character.toUpperCase(lr), type);
		fighters.add(r);
	}

	/**
	 * Creates fighters and puts them into the barracks
	 *
	 * @param lr		the first initial of the fighter
	 * @param type		the combat style the fighter mastered
	 * @param amount	the amount of fighters
	 */
	public void createFighters(char lr, Combat type, int amount) {
		for (int i = 0; i < amount; i++)
			createFighter(lr, type);
	}

	public class Fighter {
		private char initial;
		private Combat combatStyle;

		/**
		 *
		 * @param _initial
		 *            The first initial of the fighter
		 * @param _combatStyle
		 *            The combat style the fighter mastered
		 */
		public Fighter(char _initial, Combat _combatStyle) {
			initial = _initial;
			combatStyle = _combatStyle;
		}

		public char getInitial() {
			return initial;
		}

		public Combat getCombatStyle() {
			return combatStyle;
		}
	}

	public enum Combat {
		MAGIC, MELEE, RANGED
	}

	/**
	 * Calls all fighters that have initials that are in the name. Example: name
	 * = war. All fighters with initials 'w','a', or 'r' will be called and
	 * removed from the barracks.
	 *
	 * @param phrase
	 *            The phrase with initials
	 * @param combatStyle
	 *            The combat style the fighter is specialized in
	 */
	public ArrayList<Fighter> callFighters(String phrase, Combat combatStyle) {
		phrase = phrase.toUpperCase();

		ArrayList<Fighter> tempBarracks = new ArrayList<Fighter>();
		ArrayList<Fighter> calledFighters = new ArrayList<Fighter>();
		tempBarracks.addAll(fighters);

		ArrayList<Character> nameInChars = new ArrayList<>();
		for (char chr : phrase.toCharArray())
			nameInChars.add(chr);

		System.out.println("We have " + tempBarracks.size() + " fighters.");

		// This way ensures if we do something like "aabbcc" we get 3 of each
		// type, else it would get whatever came first that contained one of
		// the chars
		for (char c : nameInChars) {
			// Find the first fighter with this name, remove from temp barracks
			for (int f = 0; f < tempBarracks.size(); f++) {
				Fighter fgt = tempBarracks.get(f);
				if (fgt.getInitial() == c) {
					System.out.println("Removing " + c + ":" + fgt.getCombatStyle()+" from barracks");
					// Add to our called fighters
					calledFighters.add(fgt);
					// Remove from the barracks
					tempBarracks.remove(fgt);
					break;
				}
			}
		}

		System.out.println("We removed " + calledFighters.size()
				+ " fighters, leaving us with " + tempBarracks.size()
				+ " in the barracks.");

		return tempBarracks;
	}

}