Lottery

import java.io.BufferedReader;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Random;


public class Lottery {

    LinkedHashMap<Date,int[]> winningNumbers = new LinkedHashMap<Date,int[]>();



    public void importWinningNumbers() {

        Charset charset = Charset.forName("UTF-8");
        Path filepath = Paths.get("bin", "winners.txt");

        try {
            BufferedReader reader = Files.newBufferedReader(filepath, charset);
            String currLine = null;
            reader.readLine(); //Skips over 1st line

            while((currLine = reader.readLine()) != null){ //While text...

                String[] tempStr = currLine.split(" "); //splits text by whitespace
                ArrayList<String> tempArrList = new ArrayList<String>();

                for(int i = 0; i < tempStr.length; i++){ //Done to eliminate empty strs caused by split by whitespace
                    if(tempStr[i].compareTo("") != 0){
                        tempArrList.add(tempStr[i]);
                    }
                }

                SimpleDateFormat f = new SimpleDateFormat("dd/MM/yyyy");    //All of this to convert 1st tempArrList to Date
                Date dateIn = null;

                try {
                    dateIn = f.parse(tempArrList.get(0));
                } catch (ParseException e){
                    e.printStackTrace();
                }                                                           //ends here

                int[] finalIn = new int[6];                                //Finally, get last 6 numbers
                //System.out.println(Arrays.toString(tempArrList.toArray()) + "    " + tempArrList.size() + "    ");
                for(int i = 1; i < 7; i++){               //hardcoding iteration through tempArrayList to prevent PP number being used
                    finalIn[i-1] = Integer.valueOf(tempArrList.get(i));
                }
                //System.out.println(Arrays.toString(finalIn) + "    " + finalIn.length);
                winningNumbers.put(dateIn, finalIn);

            }

        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public int[] genLotteryNums(){

        Random r = new Random();
        int[] lotteryNums = new int[6];
        /*
        for(int i = 0; i < 5; i++) {
            lotteryNums[i] = r.nextInt(68) + 1;
        }
        lotteryNums[5] = r.nextInt(25) + 1;*/

        HashSet<Integer> s = new HashSet<Integer>();

        while(s.size() < 5){

            int randInt = r.nextInt(68) + 1;
            boolean testInt = s.add(randInt);
            if(testInt != false){
                lotteryNums[s.size()-1] = randInt;
            }
        }
        lotteryNums[5] = (r.nextInt(25)+1);


        return lotteryNums;
    }

    public boolean checkOldLTNums(int[] lotteryNums){

        boolean isNew = true;
        SimpleDateFormat f = new SimpleDateFormat("dd/MM/yyyy");

        //System.out.println(Arrays.equals(new int[]{1,2,3,4}, new int[]{1,2,3,4}));

        for(int i = 0; i < 30; i++){ //testing first 30 to see if ordered
            //System.out.println(f.format((Date)(winningNumbers.keySet().toArray()[i])));
            System.out.println(Arrays.toString((int [])(winningNumbers.values().toArray()[i])));
        }
/*
        for(int i = 0; i < winningNumbers.values().toArray().length; i++){

            if(Arrays.equals((int [])(winningNumbers.values().toArray()[i]), lotteryNums) == true){
                isNew = false;
                //System.out.println(Arrays.toString((int [])(winningNumbers.values().toArray()[i])));
            }
        }
        if(isNew == true){

            System.out.println(Arrays.toString(lotteryNums));

        }*/

        return isNew;
    }

}