package pacman.entries.pacman;

import pacman.controllers.Controller;
import pacman.game.Constants.DM;
import pacman.game.Constants.GHOST;
import pacman.game.Constants.MOVE;
import pacman.game.Game;

/*
 * This is the class you need to modify for your entry. In particular, you need to
 * fill in the getAction() method. Any additional classes you write should either
 * be placed in this package or sub-packages (e.g., game.entries.pacman.mypackage).
 */
public class MyPacMan extends Controller<MOVE>{

	//private MOVE myMove = MOVE.NEUTRAL;

	@Override
	public MOVE getMove(Game game, long timeDue) {

		int MIN_DISTANCE=12;
		int next;
		int current = game.getPacmanCurrentNodeIndex();
		int[] activePills = game.getActivePillsIndices();
		int[] activePowerPills = game.getActivePowerPillsIndices();
		int[] targetNodes = new int[activePills.length+activePowerPills.length];
		int minDistance=Integer.MAX_VALUE;
		GHOST minGhost=null;

		//chase power pills

		for(int i=0; i<activePowerPills.length;i++){

			targetNodes[activePills.length+i] = activePowerPills[i];

		}

		//chase pills
		for(int i=0; i<activePills.length;i++){

			targetNodes[i]=activePills[i];

		}



		//if ghosts can be eaten, eat them
		for(GHOST ghost : GHOST.values()){
			if(game.getGhostEdibleTime(ghost)>0 && game.isGhostEdible(ghost)==true)
			{
				int distance=game.getShortestPathDistance(current,game.getGhostCurrentNodeIndex(ghost));


				if(distance<minDistance)
				{
					minDistance=distance;
					minGhost=ghost;
				}
			}
		}

		if(minGhost!=null){
			return game.getNextMoveTowardsTarget(current,game.getGhostCurrentNodeIndex(minGhost),DM.PATH);
		}

		//run away from ghosts
		for(GHOST ghost : GHOST.values()){
			if(game.getGhostEdibleTime(ghost)==0 && game.getGhostLairTime(ghost)==0 && game.isGhostEdible(ghost)==false){
				if(game.getShortestPathDistance(current,game.getGhostCurrentNodeIndex(ghost))<MIN_DISTANCE){
					return game.getNextMoveAwayFromTarget(current,game.getGhostCurrentNodeIndex(ghost),DM.PATH);
				}
			}
		}

		//chase pills until 4 ghosts out of den and within 12 units
		//then once out and near go for power pill

		//if ghost was eaten, run away
		for(GHOST ghost : GHOST.values()){
			if(game.wasGhostEaten(ghost)==true){
				return game.getNextMoveAwayFromTarget(current,game.getGhostCurrentNodeIndex(ghost),DM.PATH);
			}
		}

		next = game.getClosestNodeIndexFromNodeIndex(current, targetNodes, DM.PATH);

		return game.getNextMoveTowardsTarget(current, next, DM.PATH);

	}
}