/**
 Ask user to input the lotto numbers (7)
 Open a file of tickets
 Read ticket numbers line by line and compare them against the given input.
 
 Enter seven numbers per line in a file called myNumbers.txt
 Make sure that there is no lines (crlf) or spaces after the
 last number in the file.
 ex.
 01 02 03 04 05 06 07
 01 03 05 07 09 11 13
 22 25 31 37 41 43 47
*/
 
import java.io.*;
import java.util.*;
 
public class LottoChecker {
 
    private static final int MAXNUM = 7;
    private static final String FNAME = "myNumbers.txt";
 
    private boolean winner;
    private int[] numbers;
 
   /**
    Construct a LottoChecker object that will read the winning numbers
    from the console and check them against a file of tickets.
    */
    public LottoChecker() {
        this.winner = false;
        this.numbers = new int[MAXNUM];
    }
 
   /**
    getResult
    @return result
    */
    public boolean getResult() {
        return this.winner;
    }
 
   /**
    Prompt the user to Enter the winning Lotto numbers to be checked
    against the file of tickets
    */
    public void inputNumbers() {
        InputStreamReader reader = new InputStreamReader(System.in);
        BufferedReader console = new BufferedReader(reader);
        String input = null;
 
        System.out.print("Please enter the winning Lotto numbers: ");
 
        try {
            input = console.readLine();
 
            int j = 0;
            StringTokenizer tokenizer = new StringTokenizer(input);
            while ( tokenizer.hasMoreTokens() ) {
                numbers[j++] = Integer.parseInt(tokenizer.nextToken());
            }
        } catch (Exception e) {
            System.out.println("Error entering Lotto numbers");
            System.exit(0);
        } finally {
            System.out.println("\nYou Entered Numbers: " + input + "\n");
        }
    } //inputNumbers
 
   /**
    Check the input numbers against the numbers stored in file
    Match each number to win
    */
    public void checkNumbers() {
        try {
            FileInputStream fis = new FileInputStream(FNAME);
            InputStreamReader ir = new InputStreamReader(fis);
            BufferedReader br = new BufferedReader(ir);
 
            int recCounter = 0;
            boolean winTicket = false;
 
            String s = br.readLine();
            while (s != null) {
                int k = 0;
                int[] myNumbers = new int[MAXNUM];
 
                StringTokenizer tokenizer = new StringTokenizer(s);
                while ( tokenizer.hasMoreTokens() ) {
                    myNumbers[k++] = Integer.parseInt(tokenizer.nextToken());
                }
 
                int l = 0;
                for (int j = 0; (j < numbers.length) && (!winner); j++) {
                    if (myNumbers[l] ==  numbers[j]) {
                        if  (!winner) l++;
                        if (l == myNumbers.length) {
                            winner = true;
                            winTicket = true;
                        }
                    } else if (l > 0) l = 0;
                }
 
                System.out.print(++recCounter + ") Number: " + s.substring(1, 20));
 
                if (winTicket) {
                    System.out.println(" <---");
                    winTicket = false;
                } else {
                    System.out.println();
                }
 
                s = br.readLine();
            }
            br.close();
        } catch(Exception e) {
            System.out.println(e.getMessage());
            System.exit(0);
        }  //try
    } //checkNumbers
 
   /**
    Main program
    Test the LottoChecker program
    */
    public static void main(String[] args) {
        LottoChecker lotto = new LottoChecker();
 
        lotto.inputNumbers();
        lotto.checkNumbers();
 
        if (lotto.getResult() == true) {
            System.out.println("\n-------------------------");
            System.out.println("You have won the lottery!");
            System.out.println("-------------------------\n");
        } else {
            System.out.println("\n---------------------------------");
            System.out.println("Better luck next time (You Lost)!");
            System.out.println("---------------------------------\n");
        }
    } //main()
 
} //LottoChecker