import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class BidPanel extends JPanel implements ActionListener
{
 private DataControl dc; 

 // Data for Bid Pane
 private JTextField bidderNums[];
 private JTextField itemNums[];
 private JTextField bidAmounts[];
 private JButton makeBids;
 private JButton clearBids;
 private final int numBids = 10;


 public BidPanel (DataControl parmDC)
  {
   super ();

   // set up data
   dc = parmDC;
      
   setLayout (new GridLayout(numBids+2, 3));

   // add the column headings
   add (new JLabel ("Item Number"));
   add (new JLabel ("Bidder Number"));
   add (new JLabel ("Bid Amount"));

   // add the Textfield to enter bids
   bidderNums = new JTextField [numBids];
   itemNums = new JTextField [numBids];
   bidAmounts = new JTextField [numBids];

   for ( int count = 0; count < numBids ; count++ ) 
      {
       itemNums[ count ] = new JTextField ();
       add (itemNums[count]);
       bidderNums[ count ] = new JTextField ();
       add (bidderNums[count]);
       bidAmounts[ count ] = new JTextField ();
       add (bidAmounts[count]);
      }   

   // add the make bid button
   makeBids = new JButton ("Record Bids");
   makeBids.addActionListener (this);
   add (makeBids);

   // add the make bid button
   clearBids = new JButton ("Clear Bids");
   clearBids.addActionListener (this);
   add (clearBids);

  }

 // handle button events
 public void actionPerformed( ActionEvent event )
  {
   if (event.getSource() == makeBids)
      doMakeBids ();

   else if (event.getSource() == clearBids)
      doClearBids();

  }

 public void doMakeBids ()
  {
   String sbnum;
   String inum;
   String sbamount;
   int bnum;
   int bamount;

   try
   {

   // check for valid data
   for ( int count = 0; count < numBids ; count++ ) 
      {
       sbnum = bidderNums[ count ].getText ();
       inum = itemNums[ count ].getText ();
       sbamount = bidAmounts[ count ].getText ();

       //System.out.println ("*" + sbnum + "*" + inum + "*" + sbamount + "*");
       if (sbnum.length() == 0 && inum.length() == 0 && sbamount.length() == 0)
          ;
       else if (sbnum.length() == 0) 
          {
           //custom title, error icon
	   JOptionPane.showMessageDialog(this,
    		"Bidder Number, Item Number and Bid Amount must be filled in.",
    		"Error: Blank Bidder Number",
    		JOptionPane.ERROR_MESSAGE);
           bidderNums[count].requestFocus();
           return;
          }
       else if (inum.length() == 0) 
          {
           //custom title, error icon
	   JOptionPane.showMessageDialog(this,
    		"Bidder Number, Item Number and Bid Amount must be filled in.",
    		"Error: Blank Item Number",
    		JOptionPane.ERROR_MESSAGE);
           itemNums[count].requestFocus();
           return;
          }
       else if (sbamount.length() == 0) 
          {
           //custom title, error icon
	   JOptionPane.showMessageDialog(this,
    		"Bidder Number, Item Number and Bid Amount must be filled in.",
    		"Error: Blank Bidder Amount",
    		JOptionPane.ERROR_MESSAGE);
           bidAmounts[count].requestFocus();
           return;
          }
       else
          {
           if (!dc.validateItemNumber(inum))
              {
               //custom title, error icon
	       JOptionPane.showMessageDialog(this,
    	       	       "Item Number does not exist.",
    		       "Error: Invalid Bidder Number",
    		       JOptionPane.ERROR_MESSAGE);
               itemNums[count].requestFocus();
               return;
              }

           try{
               bnum = Integer.parseInt(sbnum);
               //System.out.println (sbnum + ", " + bnum );
               if (!dc.validateBidderNumber(bnum))
                 {
                  //custom title, error icon
	          JOptionPane.showMessageDialog(this,
    	       	       "Bidder Number does not exist.",
    		       "Error: Invalid Bidder Number",
    		       JOptionPane.ERROR_MESSAGE);
                  bidderNums[count].requestFocus();
                  return;
                 }
              }
           catch (NumberFormatException e)
              {
               //custom title, error icon
	       JOptionPane.showMessageDialog(this,
    	    	    "Bidder Number must be a number.",
    		    "Error: Invalid Bidder Number",
    		    JOptionPane.ERROR_MESSAGE);
               bidderNums[count].requestFocus();
               return;
              }


           try{
               bamount = Integer.parseInt(sbamount);
              }
           catch (NumberFormatException e)
              {
               //custom title, error icon
	       JOptionPane.showMessageDialog(this,
    	    	    "Bid Amount must be a number.",
    		    "Error: Invalid Bid Amount",
    		    JOptionPane.ERROR_MESSAGE);
               bidAmounts[count].requestFocus();
               return;
              }
          }
      }

   // process entries
   for ( int count = 0; count < numBids ; count++ ) 
      {
       sbnum = bidderNums[ count ].getText ();
       inum = itemNums[ count ].getText ();
       sbamount = bidAmounts[ count ].getText ();

       if (sbnum.length() == 0 && inum.length() == 0 && sbamount.length() == 0)
          ;
       else 
          {
           try{
               bnum = Integer.parseInt(sbnum);
               bamount = Integer.parseInt(sbamount);
               Item retItem = dc.makeBid (bnum, inum, bamount, false);

               // check for valid return
               if (retItem.getCode() == -3)
                  {
                   int n = JOptionPane.showConfirmDialog(this,
                                  "The bid for item " + inum + 
                                  " that was just entered \n   for Bidder: " +
                                  bnum + "\n   for Amount: " + bamount +
                                  "\nalready has a bid.\n\n" +
                                  "The previous bid is\n   for Bidder: " +
                                  retItem.getBidder() + "\n   for Amount: " +
                                  retItem.getBidAmount() +
                                  "\n\nDo you wish to proceed with this new bid?",
                                  "Bid Already Exists for Item",
                                  JOptionPane.YES_NO_OPTION);
                    if (n == JOptionPane.YES_OPTION)  
                      
                       retItem = dc.makeBid (bnum, inum, bamount, true);

                  }

               // check for valid return
               if (retItem.getCode() == 1)
                  {
                   bidderNums[ count ].setText ("");
                   itemNums[ count ].setText ("");
                   bidAmounts[ count ].setText ("");   
                  }  
              }
           catch (Exception e)
              {
               e.printStackTrace();
              }                   
	  }           
      }   
   itemNums[0].requestFocus();

   }
   catch (Exception e)
   {
    e.printStackTrace();
   }
  }

 public void doClearBids ()
  {
   for ( int count = 0; count < numBids ; count++ ) 
      {
       bidderNums[ count ].setText ("");
       itemNums[ count ].setText ("");
       bidAmounts[ count ].setText ("");
      }   
   itemNums[0].requestFocus();
  }

 

}