package example7_2.game;

import example7_2.game.characters.Flower;

import java.util.List;

/**
 * Moves toward the flower with the highest point value
 * @author macavaneys
 *
 */
public class GreedyMoveBehavior implements MoveBehavior {
	
	/**
	 * The character associated with this behavior
	 */
	private GameCharacter gc;
	
	/**
	 * Creates a new GreedyMoveBehavior for the specified character
	 * @param character
	 */
	public GreedyMoveBehavior(GameCharacter character) {
		this.gc = character;
	}
	
	/**
	 * Finds and moves to the flower with the most points
	 */
	@Override
	public void planMove(List<GameCharacter> list) {
		// Find the flower with the most points.
		GameCharacter targetCharacter = null;
		int targetCharacterScore = Integer.MIN_VALUE;
		for (GameCharacter character : list) {
			if (character instanceof Flower && character.getScore() > targetCharacterScore) {
				targetCharacter = character;
				targetCharacterScore = character.getScore();
			}
		}
		
		if (targetCharacter != null) {
			// Move to this flower
			gc.setTargetPosition(targetCharacter.getCurrentRow(), targetCharacter.getCurrentColumn()); // set the new target position; the Game framework will do the actual move
		}
		else { // targetCharacter == null
			// There are no flowers on the board? Stay put then!
			gc.setTargetPosition(gc.getCurrentRow(), gc.getCurrentColumn());
		}
		
		Game.validateMove(gc);
	}
}