import javax.swing.*;
/**
 * The MainMeal class is designed to test the two classes
 * MealCard and Student. The classes MealCard and Student
 * are to be written by my CSC 211 students. It is Homework 5,
 * for Fall quarter, 2005-06.
 * 
 * @author G. Andrus
 * @version October 21, 2005
 */
public class MainMeal
{
	/**
	 * A driver to test MealCard and Student classes 
	 */
	public static void main(String[] args)
	{
	      final double TEST_AMT1 = 63.66;
	      final double TEST_AMT2 = 104.16;
	      final int MAX_CARDS = 20;
	      MealCard[] mc = new MealCard[MAX_CARDS];
	      boolean more;
	      int yesno, count = 0;
	    
	      do {
	          mc[count++] = createMealCard();
	          yesno = JOptionPane.showConfirmDialog(null, 
	          "Create another meal card?", "Confirmation",
	          JOptionPane.YES_NO_OPTION);
	          more = (yesno == JOptionPane.YES_OPTION);
	      } while (more && count < MAX_CARDS);
	        
            Student std1 = new Student("Smithson", "Ide", 40119);
		MealCard mc1 = new MealCard(std1, 250);
		System.out.println(mc1);
		System.out.println();
		
		MealCard mc2 = new MealCard();
		mc2.setStudent("Otis", "Danforth", 21963);
		System.out.println(mc2);
		System.out.println();
		
		for (int j = 0; j < count; j++) {
		    System.out.println("Transaction: BUY FOOD");
                if (!mc[j].buyFood(TEST_AMT1))
    		        System.out.println("You need at least " + 
    		        (int)Math.round(TEST_AMT1 * 4) + " points,\n" +
    		        "your balance of " + mc[j].getBalance() + 
    		        " points is insufficient.");
    		    else 
    		        System.out.println("Transaction completed. " +
    		        "Remaining balance: " + mc[j].getBalance() + " points.");

    		
    		    System.out.println(
    		    "Transaction: BUY " + (int)Math.round(TEST_AMT2 * 4) + 
                " POINTS");
    		    mc[j].buyPoints(TEST_AMT2);
    		    System.out.println(mc[j]);
    		    System.out.println();
            }
		System.exit(0);
	}
	
	/**
	 * Prompts the user for all necessary data to create a MealCard
	 * object. Creates a MealCard object containing the data entered.
	 * 
	 * @param 
	 * @return  mc, a MealCard object   
	 */
	public static MealCard createMealCard()
	{
            String name = JOptionPane.showInputDialog( null,
		              "Enter your name (first last):");
            String idStr = JOptionPane.showInputDialog( null,
		              "Enter your five digit student ID number:");
            String balStr = JOptionPane.showInputDialog( null,
		              "Enter your starting food card balance (in points):");
		              
		int i = name.indexOf(" ");
		String fname = name.substring(0, i);
		String lname = name.substring(i+1);
		int sid = Integer.parseInt(idStr);
		int bal = Integer.parseInt(balStr);
		
		Student std = new Student(fname, lname, sid);
		MealCard mc = new MealCard(std, bal);
		
		return mc;
      }
}