/******************************************************************************
 *KnowledgeBase.java                                                          *
 * - Object for known information about a game of go fish vs. one player      *
 *Author - Graig M. Fisher                                                    *
 *Written March 29, 2001                                                      *
 *****************************************************************************/

//methods self explanitory 
//"my" refers to computer
//"opp"refers to opponent

class KnowledgeBase{

  final int deck = 52;
  private int unknown = 52;
  private int oppHandCount = 0;
  private int oppPairCount = 0;
  private int[] myRequests;
  private int[] oppPairs;
  private int[] oppRequests;

  public KnowledgeBase(){
    oppRequests = new int[13];
    myRequests = new int[13];
    oppPairs = new int[13];
    for(int i = 0; i < 13; i++){
      oppRequests[i] = 0;
      myRequests[i] = 0;
      oppPairs[i] = 0;
    }//for loop
  }//constructor Knowledge

  public int[] getMyRequests(){
    return myRequests;
  }//accessor getMyRequests

  public int getOppHand(){
    return oppHandCount;
  }//accessor getOppHand

  public int[] getOppRequests(){
    return oppRequests;
  }//accessor getOppRequests

  public int[] getOppPairs(){
    return oppPairs;
  }//accessor getOppPairs
    
  public int getUnknown(){
    return unknown;
  }//accessor getUnknown

  public void updateMe(int request){
    if(myRequests[request - 1] == 0) unknown--;
    myRequests[request - 1]++;
  }//mutator updateMe

  public void updateOppHand(int newVal){
    oppHandCount = newVal;
  }//mutator updateOppHand

  public void updateOppRequests(int request){
    if(oppRequests[request - 1] == 0){
      oppRequests[request - 1] = 1;
      unknown--;
    }//if statement
  }//mutator updateOpp

  public void updateOppPairs(int[] update){
    int[] temp = new int[13];
    for(int i = 0; i < temp.length; i++)
      temp[i] = 0;
    for(int i = 0; i < update.length; i++)
      temp[update[i]] = temp[update[i]]++;
    for(int i = 0; i < temp.length; i++){
      if(temp[i] > oppPairs[i]){
	oppPairCount++;
	oppRequests[i] = 0;
	oppPairs[i]++;
      }//if statement
    }//for loop
  }//mutator updateOppPairs

  public void updateUnknown(int known){
    unknown = deck - oppHandCount - oppPairCount - known;
  }//mutator updateUnknown

}//class KnowledgeBase

/******************************************************************************
 *END OF FILE - KnowledgeBase.java                                            *
 *****************************************************************************/