/*
 * (c) 1998-2000 The Brookings Institution, All Rights Reserved
 *
 * Permission to use this software and its documentation for non-commercial
 * purposes and without fee is hereby granted, provided this copyright statement
 * is included. Please contact us for permission for redistribution and other uses.
 * 
 * BROOKINGS MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, 
 * OR NON-INFRINGEMENT. BROOKINGS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
 * LICENSEE AS A RESULT OF USING THIS SOFTWARE OR ITS DERIVATIVES.
 *
 * _Sugarscape_
 * See _Growing Artificial Societies: Social Science from the Ground Up_
 * Brookings Institution Press, The MIT Press
 * Joshua Epstein
 * jepstein@brook.edu
 * Robert Axtell
 * raxtell@brook.edu
 *
 * Miles Parker
 * mparker@brook.edu

 * http://www.brook.edu/es/dynamics/models/ascape
 * The Brookings Institution
 * Washington, D.C.
 */

package edu.brook.sugarscape;

import java.lang.*;
import java.util.*;
import java.awt.Color;

import edu.brook.ascape.model.*;
import edu.brook.ascape.util.*;

public class CulturalSexualAgent extends SexualAgent {
    
    protected static int tagLength;
    
    protected boolean[] tag;
    
    public void initialize() {
        super.initialize();
        tag = new boolean[tagLength];
        for (int i = 0; i < tag.length; i++) {
            //We do a draw for each random value instead of using values from large integers
            //to ensure that there are no artifacts.
            tag[i] = randomIs();
        }
    }
    
    public void play(Agent neighbor) {
        int position = randomToLimit(tag.length);
        ((CulturalSexualAgent) neighbor).setTagPosition(position, this.getTagPosition(position));
        //In case we changed majority...
        requestUpdate();
    }
    
    public static int getTagLength() {
        return tagLength;
    }
    
    public static void setTagLength(int _tagLength) {
        tagLength = _tagLength;
    }
    
    public boolean getTagPosition(int position) {
        return tag[position];
    }
    
    public void setTagPosition(int position, boolean value) {
        tag[position] = value;
    }
    
    public boolean[] getTag() {
        return tag;
    }
    
    public void setTag(boolean[] tag) {
        this.tag = tag;
    }
    
    public boolean getMajority() {
        int count0 = 0;
        int count1 = 0;
        int majoritySize = (int) Math.ceil(tag.length / 2);
        for (int i = 0; i < tag.length; i++) {
            if (!tag[i]) {
                count0++;
                if (count0 > majoritySize) {
                    return false;
                }
            }
            else {
                count1++;
                if (count1 > majoritySize) {
                    return true;
                }
            }
        }
        throw new RuntimeException("Internal Error in CulturalSexualAgent.getMajority");
    }
}