import javax.swing.JOptionPane;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.File;

/**
 * A class to encrypt and decode Neopets.com flash game scores.
 * @author unlimitedorb
 * @since 4/20/2008
 */
public class Crypt {
	private static final String scoreBase = "http://www.neopets.com/high_scores/process_flash_score.phtml";
	private String sh;
	private String sk;
	private int gameID;
	private int wait;
	private int modifiedGameID;
	private String bin;
	private int score;
	private int dailyChallenge; //Setting it isn't implemented yet. (Don't do Daily Challenges!)
	private int averageFrameRate; //Isn't currently implemented.
	
	public Crypt(String sh, String sk, int gameID, int wait, int score) {
		this.sh = sh;
		this.sk = sk;
		this.gameID = gameID;
		this.wait   = wait;
		this.score  = score;
		this.dailyChallenge = 0;
		this.bin = sh + sk;
	}
	
	/*
	 * The class isn't meant to be used as a standalone, but this is provided just in case/for testing
	 * purposes. It's true purpose is as a utility to be used in a bot.
	 */
	public static void main(String[] args) {
		Crypt crypt = new Crypt("none", "none", 500, 500);
		String request = crypt.getScore();
		System.out.println(request);
	}
	
	/**
	 * Method to decode a Neopets.com flash game score. Useful for development.
	 * Hungarian notation in the original swf variables is stripped out.
	 * @param encryptedScore The score to be decoded.
	 */
	public static String decode(String encryptedScore) {
		return "";
	}
	
	public String encode() {
		String toEncrypt;
		//Format the parameter r in the style of ActionScript's Math.random()
		DecimalFormat rFormat = new DecimalFormat("0.000000000000000000");
		int modifiedGameID = 300 * gameID;
		//There might be extra parameters added, but that's game specific.
		StringBuilder eScore = new StringBuilder(scoreBase + "?cn=" + modifiedGameID + "&gd=" + wait);
		eScore.append("&r=" + rFormat.format(Math.random()));
		toEncrypt = "ssnhsh=" + sh + "&ssnky=" + sk + "&gmd=" + gameID + "&scr=" + score + "&frmrt=" + averageFrameRate + "&chllng=" + dailyChallenge + "&gmdrtn=" + wait;
		
		String result = eScore.toString();
		return result;
	}
	
	/**
	 * Retrieves keys from the text file "keys.txt"
	 * @return An ArrayList of Neopets.com flash game encryption keys.
	 */
	public ArrayList<String> getKeys() {
		File file = new File("keys.txt");
		ArrayList<String> keys = new ArrayList<String>();
		keys.ensureCapacity(20);
		try {
			BufferedReader reader = new BufferedReader(new FileReader(file));
			String line;
			while((line = reader.readLine())!= null) {
				keys.add(line);
			}
		} catch(Exception e) {
			e.printStackTrace();
		}
		
		return keys;
	}
	
	/**
	 * @return the score
	 */
	public int getScore() {
		return this.score;
	}
	
	public void setScore(int score) {
		this.score = score;
	}
}