/**
 * The class  <b>Statistics</b> accumulates information about a series of games:
 * <ol>
 * <li>Number of game played</li>
 * <li>Number of times the switching strategy was successful</li>
 * <li>Number of times the switching strategy was not successful</li>
 * <li>Number of times each door has the prize behind it</li>
 * <li>Number of times each door was chosen by the player</li>
 * <li>Number of times each door was open by the host</li>
 * </ol>
 *
 * @author gvj (gvj@eecs.uottawa.ca)
 *
 */
public class Statistics {
    private int numberOfGames;
    private int switchWins;
    private int switchLose;
    private int doorSelectedA;
    private int doorSelectedB;
    private int doorSelectedC;
    private int hostDoorA;
    private int hostDoorB;
    private int hostDoorC;
    private int prizeDoorA;
    private int prizeDoorB;
    private int prizeDoorC;
    private int doorNumber;
    private int[] selectedDoors;
    private int[] prizeDoors;
    private int[] openDoors;
    private Door prizeDoorVariable;
    private Door selectedDoorVariable;

// ADD HERE YOUR MEMBER VARIABLES

 /**
     * Initializes the statistics.
     *
     * @param numberOfDoors the number of doors used
     */
  public  Statistics(int numberOfDoors){
    openDoors = new int[numberOfDoors];
    prizeDoors = new int[numberOfDoors];
    selectedDoors = new int[numberOfDoors];
    for(int i = 0; i < numberOfDoors; i++){
      prizeDoors[i] = 0;
      selectedDoors[i]=0;
      openDoors[i]=0;
    }
      numberOfGames = 0;
      switchWins = 0;
      switchLose = 0;
      doorNumber = numberOfDoors;

      selectedDoors = new int[numberOfDoors];


 }

 /**
     * Updates statistics after one game.
     *   @param doorArry the list of Doors used during the game
     */
 public void updateStatistics(Door[] doorArray){
// REPLACE THE BODY OF THIS METHOD WITH YOUR OWN IMPLEMENTATION
   for(int i = 0; i<doorNumber;i++){
     if(doorArray[i].hasPrize()){
       prizeDoors[i] = prizeDoors[i]++;
     }
     else if (doorArray[i].hasPrize()){
       prizeDoorVariable=doorArray[i];
     }
     else if(doorArray[i].isOpen()){
       openDoors[i]=openDoors[i]++;
     }
     else if(doorArray[i].isChosen()){
       selectedDoors[i] = selectedDoors[i]++;
     }
     else if(doorArray[i].isChosen()){
       selectedDoorVariable = doorArray[i];
     }


 }
   numberOfGames = numberOfGames++;
   if(selectedDoorVariable == prizeDoorVariable){
     switchWins = switchWins++;
   }
   else{
     switchLose = switchLose++;
   }
 }



 /**
     *  @return Returns the complete statistics information
     */
 public String toString(){
 // REPLACE THE BODY OF THIS METHOD WITH YOUR OWN IMPLEMENTATION

   String string = "";
   string = "Number of games played: " + numberOfGames + "\nStaying strategy won " + switchLose + " games (" + 100*switchLose/numberOfGames + "%)\nSwitching stragety won " + switchWins + " games (" + 100*switchWins/numberOfGames + "%)\nSelected doors:\n";
   for(int i = 0;i<doorNumber;i++){
     string = string + "door" + (i+1) + ": " + selectedDoors[i] + " (" + 100*selectedDoors[i]/numberOfGames + "%)" + "\r\n";
   }
   string = string + "Winning Doors: " + "\r\n";
   for(int i = 0; i < doorNumber; i++){
     string = string + "door " + (i+1) + ": " + prizeDoors[i] + " (" + 100*prizeDoors[i]/numberOfGames + "%)" + "\r\n";
    }
   string = string + "Opened doors: " + "\r\n";
     for(int i = 0; i<doorNumber; i++){
     string = string + "door " + (i+1) + ": " + openDoors[i] + " (" + 100*openDoors[i]/numberOfGames + "%)" + "\r\n";
   }
     return string;

 }

 /**
     *  @return Returns the complete statistics information in CSV format
     */
 public String toCSV(){
   String stringCSV = "";
   stringCSV = "Number of games, " + numberOfGames + "\nNumber of doors,3 \n,Win,Loss\nStaying strategy, " +switchLose + "," + switchWins + "\nSwitching strategy, " + switchWins + "," + switchLose +"\nSelected doors,Winning doors,Open doors" + "\r\n";
   for(int i = 0; i<doorNumber; i++){
   stringCSV = stringCSV + "Door" + (1+i) + " ," + selectedDoors[i] + "," + prizeDoors[i] + "," + openDoors[i] + "\r\n";

   }
   return stringCSV;
 }

}