package com.company;

import java.util.Random; import java.util.ArrayList;

/** * Reddit Daily Programmer (Ideas) - PowerBall (US) Simulator. * https://www.reddit.com/r/dailyprogrammer_ideas/comments/439eet/easyintermediate_powerball_simulator/ * Program to simulate PowerBall being played. */

public class Main {

public static int lotSize = 5;
public static Random rand = new Random();
public static ArrayList<Integer> powerBallNumbers = new ArrayList<>();
public static ArrayList<Integer> powerBallTicketGenerator = new ArrayList<>();
public static String strPowerBall = "";
public static String ticketBall;


public static void main(String[] args) {
    int ticketCounter = 1;
    powerBallGenerate();
    do{
        ticketGenerator();
        //System.out.printf("Ticket #: %10d Played Numbers: %10s\n", ticketCounter, ticketBall);
        ticketCounter++;
    }while(!winningTicket());
    System.out.printf("Ticket #: %2d Played Numbers: %10s\n", ticketCounter, ticketBall);
}

/*
Generator methods for PowerBall numbers and played ticket numbers.
 */
public static void powerBallGenerate(){
    System.out.print("The winning numbers are: ");
    // loop to generate non-PowerBall balls
    for (int i = 0; i < 5; i++){
        powerBallNumbers.add(rand.nextInt(lotSize)+1); // adds randomly generated numbers to array list.
    }

    // generates PowerBall ball and adds to same array list.
    powerBallNumbers.add(rand.nextInt(lotSize)+1);

    for (Integer powerBallNumber : powerBallNumbers) {
        strPowerBall = strPowerBall + powerBallNumber.toString() + " ";
    }
    System.out.println(strPowerBall);
}

/*
 generates ticket numbers from given parameter "number".
 "Number" indicated the number of tickets purchased.
 */
public static void ticketGenerator(){
    powerBallTicketGenerator.clear();
    ticketBall = "";
    for (int i = 0; i < 6; i++){
        powerBallTicketGenerator.add(rand.nextInt(lotSize)+1); // adds randomly generated numbers to array list.
    }
    for (Integer ticketBallNum : powerBallTicketGenerator) {
        ticketBall = ticketBall + ticketBallNum.toString() + " ";
    }
}

/*
Comparison methods for finding the winning ticket.
 */

/**
 * Runs ticket checking methods to check if ticket is winner or not.
 * Can be removed and containing code is moved to main method.
 * Runs here (even though is semi-redundant) to simplify main method.
 *
 * returns true if ticket is winner
 * returns false if ticket is not winner.
 *
 * @return
 */
public static boolean winningTicket(){
    if (winningTicketPowerBall(strPowerBall, ticketBall)) {
        System.out.println("You have 6 matching numbers. You won the Jackpot!!");
        return true;
    }
    else if (winningTicketNoPowerBall(powerBallNumbers, powerBallTicketGenerator)) {
        System.out.println("You have 5 matching numbers."); // needs to be uncommented.
        return true; // needs to be true.
    }
    return false;
}

/**
 *
 * Checks if PowerBall ticket number is winner by comparing if
 * PowerBall Winning Number matches Ticket Number.
 *
 * @param powerBallString
 * @param ticketBallString
 * @return
 *
 */
public static boolean winningTicketPowerBall(String powerBallString, String ticketBallString){
    return ticketBallString.contentEquals(powerBallString);
}

/**
 *
 * Checks if PowerBall ticket number is winner by comparing if
 * PowerBall Winning Number matches Ticket Number.
 *
 * @param powerBallList
 * @param ticketList
 * @return
 */
public static boolean winningTicketNoPowerBall(ArrayList<Integer> powerBallList, ArrayList<Integer> ticketList){
    String powerBall = "", ticketBall = "";
    for(int i = 0; i < (powerBallList.size() -1); i++){
        powerBall += powerBall + powerBallList.get(i).toString();
        ticketBall += ticketBall + ticketList.get(i).toString();
    }
    return ticketBall.equals(powerBall);
}

}