import java.io.*;
/**
 * This Class demonstrates a console version of BiscuitWindow
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class BiscuitConsole
{
     // Filename to load and save records from
     private static final String FILENAME = "c:\\biscuits.txt";
     private static final String EOF = "XXXX";
     // Array to hold biscuit collection
     private static final int MAX = 10; 
     private Biscuit2[] biscuits = new Biscuit2[MAX];
     // pointers into the biscuit collection
     int lastBiscuit = -1;
     int current = -1;     
	 public static void main(String[] args)
    {
        new BiscuitConsole();
    }
	/**
	 * Constructor for objects of class BiscuitConsole
	 */
	public BiscuitConsole()
	{
	    // Get the cookies from the data file
	    readFromFile();
	    String c;
	    do
	    {
	        c = getCommand();
	        doCommand(c);
	    }while (!c.equals("q"));
	}
	private String getCommand()
	{
	    String commandList = ("adnpflhq"); // add, del, next, prev, first, last, help, quit
	    String c = input("Please input a command (h for help):");
	    c = c.trim().substring(0,1).toLowerCase();
	    //check c against list of valid commands:
	    if (commandList.indexOf(c) == -1)
	    {
	        return "h";
	    }
	    else
	    {
	        return c;
	    }
	}
	private void doCommand(String c)
	{
	    char ch = c.charAt(0);
	    if (ch == 'a')
	    {
	        output("add biscuit to array code required");
	    }
	    else if (ch == 'd')
	    {
	        output("delete code needed");
	    }
	    else if (ch == 'q')
	    {
	        output("bye then");
	        System.exit(0);
	    }
	    else
	    {
	        output("some other code needed...");
	    }
	}
  /**
  * load the array contents from text file 
  */
  private void readFromFile()
  {
    try
    {
      lastBiscuit = -1;
      SimpleReader reader = new SimpleReader(FILENAME);
      // read first line of file, if file is empty should be EOF
      String next = reader.readLine();       
      while (!next.equals(EOF)) 
      {
        lastBiscuit = lastBiscuit + 1;
        biscuits[lastBiscuit] = new Biscuit2(next);
        next = reader.readLine(); 
      } 
      // show the last one, check for none
      if (lastBiscuit >=0)
      {
        current = lastBiscuit;
        showBiscuit(biscuits[current]);
        output("File opened with " + (lastBiscuit + 1) + " records");
      }
      else
      {
        output("The file is empty");
      }
    }
    catch(IOException io)
    {
      output("Error reading from file");
    }
  }
  private void showBiscuit(Biscuit2 b )
  {
      output("Biscuit description");
      output("===================");
      output("Shape: " + b.getShape());
      output("Taste: " + b.getTaste());
      output("Price: " + b.getPrice());
      output("Unit: " + b.getUnit());
      output("My favourite: " + b.isMyFavourite());
      output("");
  }
	/**
	 * IBIO methods, (c) International Baccalaureate 2003
	 * Computer Science Subject Guide, Appendix 2.
	 */
	
	 static void output(String info) {  System.out.println(info); }
     static void output(double info) {  System.out.println(info); }
     static void output(int info)    {  System.out.println(info); }
  
     static int inputInt(String Prompt)
     {  
         int result=0;
         try{result=Integer.parseInt(input(Prompt).trim());}
         catch (Exception e){result = 0;}
         return result;
     }
     static double inputDouble(String Prompt)
     {  
         double result=0;
         try{result=Double.valueOf(input(Prompt).trim()).doubleValue();}
         catch (Exception e){result = 0;}
         return result;
     }
     static String input(String prompt)
     {  
         String inputLine = "";
         System.out.print(prompt);
         try
         { 
             java.io.InputStreamReader sys = new java.io.InputStreamReader(System.in);
             java.io.BufferedReader inBuffer = new java.io.BufferedReader(sys);
             inputLine = inBuffer.readLine();
         }
         catch (Exception e)
         { 
             String err = e.toString();
             System.out.println(err);
         }
         return inputLine;
      }
      static String input() { return input("");  }
}