/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package pickadoor;

import java.util.Random;
import java.util.Scanner;

/**
 *
 * @author Admin
 */
public class PickADoorClass {
    int a = 0, b =  0, c = 0;
    int[] myArray = new int[3];
    int myChoice = 1;
    int numLosses = 0;
    int numWins = 0;

    public void chooseDoor()
    {
        System.out.println("Always Swap");
        while(numWins + numLosses < 1000000)
        {
        myArray[0] = 1;
        myArray[1] = 1;
        myArray[2] = 2;
        Random myRandom = new Random();

        while(a != 2 || b != 2 || c != 2)
        {

            a = myArray[myRandom.nextInt(3)];
            if(a == 2)
            {
                c = 1; b = 1;
                break;
            }
            b = myArray[myRandom.nextInt(3)];
            if(b == 2)
            {
                c = 1; a = 1;
                break;
            }
            c = myArray[myRandom.nextInt(3)];
            if(c == 2)
            {
                a = 1; b = 1;
            }
        }
        Scanner myScan = new Scanner(System.in);

        /*System.out.println("There are three doors, please pick a door(1, 2, or 3");
        myChoice = myScan.nextInt();*/
        myChoice = myRandom.nextInt(2);
        removeDoor();
        /*System.out.println("I will now reveal that door #" + removeDoor() + " is not the winning door");
        System.out.println("Would you like to swap with door #" + otherDoor() + " (0 for no, 1 for yes)");
        int answer = myChoice = myScan.nextInt();
        if(answer == 1)
            swapDoor();*/
        swapDoor();
        finalAnswer();
        }
        System.out.println("Wins:" + numWins + " Losses:" + numLosses);
        numWins = 0;
        numLosses = 0;
        System.out.println("Always stay");
        while(numWins + numLosses < 1000000)
        {
        myArray[0] = 1;
        myArray[1] = 1;
        myArray[2] = 2;
        Random myRandom = new Random();

        while(a != 2 || b != 2 || c != 2)
        {

            a = myArray[myRandom.nextInt(3)];
            if(a == 2)
            {
                c = 1; b = 1;
                break;
            }
            b = myArray[myRandom.nextInt(3)];
            if(b == 2)
            {
                c = 1; a = 1;
                break;
            }
            c = myArray[myRandom.nextInt(3)];
            if(c == 2)
            {
                a = 1; b = 1;
            }
        }
        Scanner myScan = new Scanner(System.in);

        /*System.out.println("There are three doors, please pick a door(1, 2, or 3");
        myChoice = myScan.nextInt();*/
        myChoice = myRandom.nextInt(2);
        removeDoor();
        /*System.out.println("I will now reveal that door #" + removeDoor() + " is not the winning door");
        System.out.println("Would you like to swap with door #" + otherDoor() + " (0 for no, 1 for yes)");
        int answer = myChoice = myScan.nextInt();
        if(answer == 1)
            swapDoor();*/
        finalAnswer();
        }
        System.out.println("Wins:" + numWins + " Losses:" + numLosses);
    }

    public void removeDoor()
    {
        String myName = "";
        if(myChoice == 1)
        {
            if(b == 2)
            {
                c = 0;
                myName = "3";
            }
            else
            {
                b = 0;
                myName = "2";
            }
        }
        else if(myChoice == 2)
        {
            if(a == 2)
            {
                c = 0;
                myName = "3";
            }
            else
            {
                a = 0;
                myName = "1";
            }
        }
        else
        {
            if(b == 2)
            {
                a = 0;
                myName = "1";
            }
            else
            {
                b= 0;
                myName = "2";
            }
        }
        //return myName;
    }

    public String otherDoor()
    {
        String myName = "";

        if(a == 0)
        {
            if(myChoice == 2)
            {
                myName = "3";
            }
            else
            {
                myName = "2";
            }
        }
        else if(b == 0)
        {
            if(myChoice == 1)
            {
                myName = "1";
            }
            else
            {
                myName = "3";
            }
        }
        else
        {
            if(myChoice == 1)
            {
                myName = "2";
            }
            else
            {
                myName = "1";
            }
        }
        return myName;
    }

    public void swapDoor()
    {
        if(myChoice == 1)
        {
            if(b == 0)
            {
                myChoice = 3;
            }
            else
            {
                myChoice = 2;
            }
        }
        else if(myChoice == 2)
        {
            if(a == 0)
            {
                myChoice = 3;
            }
            else
            {
                myChoice = 1;
            }
        }
        else
        {
            if(b == 0)
            {
                myChoice = 1;
            }
            else
            {
                myChoice = 2;
            }
        }
    }

    public void finalAnswer()
    {
        if(myChoice == 1)
        {
            if(a == 2)
            {
                //System.out.println("Congratulations, you won!");
                numWins++;
            }
            else
            {
                //System.out.println("I'm sorry, you lost");
                numLosses++;
            }
        }
        else if(myChoice == 2)
        {
            if(b == 2)
            {
                //System.out.println("Congratulations, you won!");
                numWins++;
            }
            else
            {
                //System.out.println("I'm sorry, you lost");
                numLosses++;
            }
        }
        else
        {
            if(c == 2)
            {
                //System.out.println("Congratulations, you won!");
                numWins++;
            }
            else
            {
                //System.out.println("I'm sorry, you lost");
                numLosses++;
            }
        }
    }
}