source: src/main/java/agents/anac/y2015/fairy/negotiatingInfo.java

package agents.anac.y2015.fairy;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import genius.core.Bid;
import genius.core.issue.Issue;
import genius.core.issue.IssueDiscrete;
import genius.core.issue.IssueInteger;
import genius.core.issue.Value;
import genius.core.issue.ValueDiscrete;
import genius.core.utility.AdditiveUtilitySpace;

public class negotiatingInfo {
        private AdditiveUtilitySpace utilitySpace; // ��p���
        private List<Issue> issues; // �_�_
        private ArrayList<Object> opponents; // ���g�ȊO�̌��ŽQ���҂�sender
        private ArrayList<Bid> MyBidHistory = null; // ��ė���
        private HashMap<Object, ArrayList<Bid>> opponentsBidHistory = null; // ��ė���
        private HashMap<Object, Boolean> opponentsBool; // ��Ԃ��^�����ǂ���
        private HashMap<Object, Double> opponentsAverage; // ����
        private HashMap<Object, Double> opponentsVariance; // ���U
        private HashMap<Object, Double> opponentsSum; // �a
        private HashMap<Object, Double> opponentsPowSum; // ���a
        private HashMap<Object, Double> opponentsStandardDeviation; // �W���΍�
        private HashMap<Issue, HashMap<Value, Double>> valueRelativeUtility = null; // ���g�̌�p��Ԃɂ�����e�_�_�l�̑��Ό�p�l�s��i��`��p��ԗp�j
        private int round = 0; // �����̎�Ԑ�
        private int negotiatorNum = 3; // ���ŽҐ�
        private boolean isLinerUtilitySpace = true; // ��`��p��Ԃł��邩�ǂ���

        public negotiatingInfo(AdditiveUtilitySpace utilitySpace) {
                // ����
                this.utilitySpace = utilitySpace;
                issues = utilitySpace.getDomain().getIssues();
                opponents = new ArrayList<Object>();
                MyBidHistory = new ArrayList<Bid>();
                opponentsBidHistory = new HashMap<Object, ArrayList<Bid>>();
                opponentsBool = new HashMap<Object, Boolean>();
                opponentsAverage = new HashMap<Object, Double>();
                opponentsVariance = new HashMap<Object, Double>();
                opponentsSum = new HashMap<Object, Double>();
                opponentsPowSum = new HashMap<Object, Double>();
                opponentsStandardDeviation = new HashMap<Object, Double>();
                valueRelativeUtility = new HashMap<Issue, HashMap<Value, Double>>();

                try {
                        initValueRelativeUtility();
                } catch (Exception e) {
                        System.out.println("���Ό�p�s��̏���Ɏ��s���܂���");
                        e.printStackTrace();
                }
        }

        public void initOpponent(Object sender) {
                initNegotiatingInfo(sender); // ����������
                opponents.add(sender); // ���ŽQ���҂�sender��lj�
        }

        public void updateInfo(Object sender, Bid offeredBid) {
                try {
                        updateNegotiatingInfo(sender, offeredBid);
                } // �����̍X�V
                catch (Exception e1) {
                        System.out.println("�����̍X�V�Ɏ��s���܂���");
                        e1.printStackTrace();
                }
        }

        private void initNegotiatingInfo(Object sender) {
                opponentsBidHistory.put(sender, new ArrayList<Bid>());
                opponentsAverage.put(sender, 0.0);
                opponentsVariance.put(sender, 0.0);
                opponentsSum.put(sender, 0.0);
                opponentsPowSum.put(sender, 0.0);
                opponentsStandardDeviation.put(sender, 0.0);
        }

        // ���Ό�p�s��̏���
        private void initValueRelativeUtility() throws Exception {
                ArrayList<Value> values = null;
                for (Issue issue : issues) {
                        valueRelativeUtility.put(issue, new HashMap<Value, Double>()); // �_�_�s�̏���
                        values = getValues(issue);
                        for (Value value : values) {
                                valueRelativeUtility.get(issue).put(value, 0.0);
                        } // �_�_�s�̗v�f�̏���
                }
        }

        // ���Ό�p�s��̓��o
        public void setValueRelativeUtility(Bid maxBid) throws Exception {
                ArrayList<Value> values = null;
                Bid currentBid = null;
                for (Issue issue : issues) {
                        currentBid = new Bid(maxBid);
                        values = getValues(issue);
                        for (Value value : values) {
                                currentBid = currentBid.putValue(issue.getNumber(), value);
                                valueRelativeUtility.get(issue).put(
                                                value,
                                                utilitySpace.getUtility(currentBid)
                                                                - utilitySpace.getUtility(maxBid));
                        }
                }
        }

        public void updateNegotiatingInfo(Object sender, Bid offeredBid)
                        throws Exception {
                opponentsBidHistory.get(sender).add(offeredBid); // ��ė���

                double util = utilitySpace.getUtility(offeredBid);
                opponentsSum.put(sender, opponentsSum.get(sender) + util); // �a
                opponentsPowSum.put(sender,
                                opponentsPowSum.get(sender) + Math.pow(util, 2)); // ���a

                int round_num = opponentsBidHistory.get(sender).size();
                opponentsAverage.put(sender, opponentsSum.get(sender) / round_num); // ����
                opponentsVariance.put(sender, (opponentsPowSum.get(sender) / round_num)
                                - Math.pow(opponentsAverage.get(sender), 2)); // ���U

                if (opponentsVariance.get(sender) < 0) {
                        opponentsVariance.put(sender, 0.0);
                }
                opponentsStandardDeviation.put(sender,
                                Math.sqrt(opponentsVariance.get(sender))); // �W���΍�
        }

        // ���ŽҐ���Ԃ�
        public void updateOpponentsNum(int num) {
                negotiatorNum = num;
        }

        // ��`��p��ԂłȂ��ꍇ
        public void utilitySpaceTypeisNonLiner() {
                isLinerUtilitySpace = false;
        }

        // ���g�̒�ď��̍X�V
        public void updateMyBidHistory(Bid offerBid) {
                MyBidHistory.add(offerBid);
        }

        // �^�����ǂ���(�Q�b�g)
        public boolean getOpponentsBool(Object sender) {
                if (opponentsBool.isEmpty())
                        return false;
                return opponentsBool.get(sender);
        }

        // �^�����ǂ���(�N���A)
        public void clearOpponentsBool() {
                opponentsBool.clear();
                return;
        }

        // �^�����ǂ���(�Z�b�g)
        public void setOpponentsBool(Object sender, boolean bool) {
                opponentsBool.put(sender, bool);
                return;
        }

        // ����
        public double getAverage(Object sender) {
                return opponentsAverage.get(sender);
        }

        // ���U
        public double getVariancer(Object sender) {
                return opponentsVariance.get(sender);
        }

        // �W���΍�
        public double getStandardDeviation(Object sender) {
                return opponentsStandardDeviation.get(sender);
        }

        // ����̒�ė����̗v�f����Ԃ�
        public int getPartnerBidNum(Object sender) {
                return opponentsBidHistory.get(sender).size();
        }

        // ���g�̃��E���h����Ԃ�
        public int getRound() {
                return round;
        }

        // ���ŽҐ���Ԃ�
        public int getNegotiatorNum() {
                return negotiatorNum;
        }

        // ���Ό�p�s���Ԃ�
        public HashMap<Issue, HashMap<Value, Double>> getValueRelativeUtility() {
                return valueRelativeUtility;
        }

        // ��`��p��Ԃł��邩�ǂ�����Ԃ�
        public boolean isLinerUtilitySpace() {
                return isLinerUtilitySpace;
        }

        // �_�_�ꗗ��Ԃ�
        public List<Issue> getIssues() {
                return issues;
        }

        // �_�_�ɂ������蓾��l�̈ꗗ��Ԃ�
        public ArrayList<Value> getValues(Issue issue) {
                ArrayList<Value> values = new ArrayList<Value>();
                switch (issue.getType()) {
                case DISCRETE:
                        List<ValueDiscrete> valuesDis = ((IssueDiscrete) issue).getValues();
                        for (Value value : valuesDis) {
                                values.add(value);
                        }
                        break;
                case INTEGER:
                        int min_value = ((IssueInteger) issue).getUpperBound();
                        int max_value = ((IssueInteger) issue).getUpperBound();
                        for (int j = min_value; j <= max_value; j++) {
                                Object valueObject = new Integer(j);
                                values.add((Value) valueObject);
                        }
                        break;
                default:
                        try {
                                throw new Exception("issue type " + issue.getType()
                                                + " not supported by Atlas3");
                        } catch (Exception e) {
                                System.out.println("�_�_�̎�蓾��l�̎擾�Ɏ��s���܂���");
                                e.printStackTrace();
                        }
                }
                return values;
        }

        // ���‘���̈ꗗ��Ԃ�
        public ArrayList<Object> getOpponents() {
                return opponents;
        }
}