BuffyTheVampireSlayer.java

import java.util.Scanner;
import logic.Level;
import control.Controller;
import logic.Game;

public class BuffyTheVampireSlayer {
	public static final String version = "3.0";
    public static final String usageMsg = "Usage: Vampire slayer <level> [seed]";
    public static final String welcomeMsg = String.format("Buffy the Vampire Slayer " + version + "%n");
    public static final String levelInfoMsg = "Level must be one of: " + Level.all(", ");
    public static final String seedIsNumberMsg = "the seed must be a number";
    public static final String seedInfoMsg = "Random generator initialized with seed: ";

	public static void main(String[] args) {
		if (args.length < 1 || args.length > 2)
			System.out.print(usageMsg);
		else {
			Level level = Level.parse(args[0]);
			if(level == null) {
				 System.out.println(usageMsg);
				 System.out.println(levelInfoMsg);
			}
			else {
				Long seed;
				try {
					if (args.length == 2)						
						seed = Long.parseLong(args[1]);
					else
						seed = System.currentTimeMillis();
					
					System.out.print(welcomeMsg);
			    		System.out.println(seedInfoMsg + seed);
			    		
					Controller controller = new Controller(new Game(seed, level), new Scanner(System.in));
					controller.run();
				}
				catch (NumberFormatException nfe) {
                    System.out.println(usageMsg + ": " + seedIsNumberMsg);
                }
			}
		}
	}
}