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 */

package roulette;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author Southern Trendkiller
 */
public class RouletteGameRecordMapper {

    private Scanner scan;
    private FileReader freader;
    private FileWriter fwriter;

    public RouletteGameRecordMapper()
    {
    }

        public ArrayList<RouletteGameRecord> readRouletteGameRecordsFromFile(String file)
        {
        ArrayList<RouletteGameRecord> ret = new ArrayList<RouletteGameRecord>();

        try {
            freader = new FileReader(file);

            // setup a scanner, use \ as delimiter
            this.scan = new Scanner(freader).useDelimiter("\\s*\\\\s*");

            String date;
                        boolean outcome;
                        int bet, gain;

                        // if the file is empty, we return an empty list.
                        if(!scan.hasNext())
                            return ret;

            while(true)
            {
                // get all ctor args
                date = scan.next();

                                if(scan.next().equals("true"))
                                    outcome = true;
                                else
                                    outcome = false;

                                bet = scan.nextInt();
                                gain = scan.nextInt();

                // construct a GameRecord and add it to our Record list
                RouletteGameRecord temp = new RouletteGameRecord(date, outcome, bet, gain);
                ret.add(temp);

                // if we reached EOF, break.
                if(!scan.hasNext())
                    break;
            }
            freader.close();

            // catch them Exceptions
        } catch (FileNotFoundException e) {
            // in case the file was not found, we assume there are no records
                        // associated with the profile that is being loaded, and thus return null.
                    return ret;

        } catch (IOException e) {
            e.printStackTrace();
        }

        return ret;
        }

        public void writeRouletteGameRecordsToFile(String file, ArrayList<RouletteGameRecord> reclist)
        {
        try {
            this.fwriter = new FileWriter(file);

            // ctor niceness
            // public RouletteGameRecord(String date, boolean outcome, int bet, int gain)

            String temp;
            for(RouletteGameRecord rec : reclist)
            {
                temp = rec.getDate() + "\\";
                temp += Boolean.toString(rec.isOutcome())  + "\\";
                temp += Integer.toString(rec.getBet()) + "\\";
                temp += Integer.toString(rec.getGain()) + "\\";

                fwriter.write(temp);
            }
            fwriter.close();

        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("Fatal I/O Exception.");
        }
        }

}