import info.gridworld.actor.Actor;
import info.gridworld.actor.Critter;
import info.gridworld.grid.Location;
import info.gridworld.grid.Grid;

import java.util.ArrayList;

import java.awt.Color;


/**
 * TODO bluster critter class that creates a new critter that changes color TODO
 * depending on how many other critters are in a 2-block radius from the
 * critter, and the critter's courage value, the critter will either turn darker
 * or lighter.
 *
 * @author TODO Your Name
 * @version TODO Date
 * @author Period: TODO Your Period
 * @author Assignment: BlusterCritter - GridWorld Part4 Exercise 4
 *
 * @author Sources: TODO I received help from ...
 */
public class BlusterCritter extends Critter
{
    private int courage;

    private Color color = getColor();


    /**
     * constructs a new critter
     *
     * @param c - courage level
     */
    public BlusterCritter( int c )
    {
        courage = c;
    }


    /**
     * TODO sets the location of the critter and scans through all the blocks in
     * a 2 block radius to search for how many other critters there are <br />
     * Postcondition: The state of all actors is unchanged.
     *
     * @return a list of actors that this critter wishes to process.
     */
    public ArrayList<Actor> getActors()
    {
        Grid<Actor> gr = getGrid();
        ArrayList<Actor> actors = new ArrayList<Actor>();

        Location location = getLocation();
        for ( int i = location.getRow() - 2; i <= location.getRow() + 2; i++ )
        { // for each space within 2 blocks in row
            for ( int j = location.getCol() - 2; j <= location.getCol()
                + 2; j++ )
            { // for each space within 2 blocks in column
                Location location2 = new Location( i, j );
                if ( getGrid().isValid( location2 ) )
                { // if location is in the grid
                    Actor a = gr.get( location2 ); // finds object at location
                    if ( a != null && a != this )
                    {
                        actors.add( a );
                    }
                }
            }
        }
        return actors;
    }


    /**
     * TODO if number of actors is less than courage level, turn brighter.
     * otherwise, turn darker <br />
     * Postcondition: (1) The state of all actors in the grid other than this
     * critter and the elements of <code>actors</code> is unchanged. (2) The
     * location of this critter is unchanged.
     *
     * @param actors
     *            the actors to be processed
     */
    public void processActors( ArrayList<Actor> actors )
    {
        if ( actors.size() < courage )
        {
            lighten();
        }
        else if ( actors.size() >= courage )
        {
            darken();
        }
    }


    /**
     * TODO darkens the color of the critter
     */
    private void darken()
    {
        setColor( color.darker() );
    }


    /**
     * TODO lightens the color of the critter
     */
    private void lighten()
    {
        setColor( color.brighter() );
    }
}