/*
 * ZorkJ - By Alan G. Labouseur
 */
import java.util.Scanner;
public class ZorkJcentralControl
{
  // Globals 
  private static Scanner input = new Scanner(System.in);
  private static String command = new String("");
  private static final String PROMPT = "-]";
  private static int currentLocale = 1;
  private static boolean stillPlaying = true;
      
  public static void main(String [] args)
  {
    intro();
    blankLine();
    gameLoop();
  }
  
  private static void gameLoop()
  {     
     while (stillPlaying)
     {
        if (currentLocale == 1)
        {
           localeBackyard();
        }
        else if (currentLocale == 2)
        {
           localeHouse();
        }
        else if (currentLocale == 3)
        {
           localeShrubs();
        }
        else
        {
           System.out.println("Error.  Invalid locale:" + 
                              currentLocale + 
                              " This should never happen.");
        }        
     }
  }  
  
  private static void intro()
  {
    System.out.println("Welcome to ZorkJ.");
    System.out.println(" Written by Alan G. Labouseur");
    System.out.println(" (c) 2009 - No Rights Reserved. Some rights obscured.");
    System.out.println(" Play at your own risk.");
  }
  
  private static void blankLine()
  {
    System.out.println();
  }
  
  private static void localeBackyard()
  {
    // Display description.
    System.out.println("--Back yard--");
    System.out.println("It's a lazy summer morning as you sit under a tree");
    System.out.println("next to your \"owners\", Phineas and Ferb, wondering");
    System.out.println("what they're going to do that day.");
    // Interact
    getCommand(); 
    if (command.equalsIgnoreCase("e"))
    {
      currentLocale = 2;
    }
    else
    {
      if (command.equalsIgnoreCase("s"))
      {
        currentLocale = 3;
      }
      else
      {
        System.out.println("You can't go that way.");
        // Leave currentLocale unchanged.
      }
    }    
  }
  
  private static void localeHouse()
  {
    // Display description.
    System.out.println("--House--");
    System.out.println("(house)");
    // Interact
    getCommand(); 
    if (command.equalsIgnoreCase("s"))
    {
      currentLocale = 3;
    }
    else
    {
      System.out.println("You can't go that way.");
      // Leave currentLocale unchanged.   
    }
  }
  
  private static void localeShrubs()
  {
    // Display description.
    System.out.println("--Shrubs--");
    System.out.println("(shrubs)");
    // Interact
    getCommand(); 
    if (command.equalsIgnoreCase("e"))
    {
      currentLocale = 2;
    }
    else
    {
      System.out.println("You can't go that way.");
      // Leave currentLocale unchanged.   
    }
  }
  
  private static void getCommand()
  {
    // Prompt the user for a command.
    System.out.print(PROMPT);
    command = input.nextLine();  
    // Check to see if they want to quit ...
    if (command.equalsIgnoreCase("q"))
    {
       // ... which they do, so let's quit.
       System.exit(0);
       // TODO: implement (stillPlaying = false;)
    }
  }  
}