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

import java.io.*;
import java.net.*;

import java.rmi.*;
import java.rmi.server.*;

class RMIClient1 extends JFrame
		 implements ActionListener{ 

   JLabel col1, col2; 
   JLabel totalItems, totalCost; 
   JLabel cardNum, custID;
   JLabel applechk, pearchk, peachchk;

   JButton purchase, reset;
   JPanel panel;

   JTextField appleqnt, pearqnt, peachqnt; 
   JTextField creditCard, customer;
   JTextArea items, cost;

   static Send send;
   int itotal=0; 
   double icost=0;

   RMIClient1(){ //Begin Constructor
//Create left and right column labels
     col1 = new JLabel("Select Items");
     col2 = new JLabel("Specify Quantity");

//Create labels and text field components
     applechk = new JLabel("   Apples");
     appleqnt = new JTextField();
     appleqnt.addActionListener(this);

     pearchk = new JLabel("   Pears");
     pearqnt = new JTextField();
     pearqnt.addActionListener(this);

     peachchk = new JLabel("   Peaches");
     peachqnt = new JTextField();
     peachqnt.addActionListener(this);

     cardNum = new JLabel("   Credit Card:");
     creditCard = new JTextField();
     pearqnt.setNextFocusableComponent(creditCard);

     customer = new JTextField();
     custID = new JLabel("   Customer ID:");

//Create labels and text area components
     totalItems = new JLabel("Total Items:");
     totalCost = new JLabel("Total Cost:");
     items = new JTextArea();
     cost = new JTextArea();

//Create buttons and make action listeners
     purchase = new JButton("Purchase");
     purchase.addActionListener(this);

     reset = new JButton("Reset");
     reset.addActionListener(this);

//Create a panel for the components
     panel = new JPanel();

//Set panel layout to 2-column grid
//on a white background
     panel.setLayout(new GridLayout(0,2));
     panel.setBackground(Color.white);

//Add components to panel columns
//going left to right and top to bottom
     getContentPane().add(panel);
     panel.add(col1);
     panel.add(col2);

     panel.add(applechk);
     panel.add(appleqnt);

     panel.add(peachchk);
     panel.add(peachqnt);

     panel.add(pearchk);
     panel.add(pearqnt);

     panel.add(totalItems);
     panel.add(items);

     panel.add(totalCost);
     panel.add(cost);

     panel.add(cardNum);
     panel.add(creditCard);

     panel.add(custID);
     panel.add(customer);

     panel.add(reset);
     panel.add(purchase);

   } //End Constructor

  public void actionPerformed(ActionEvent event){
   Object source = event.getSource();
   Integer applesNo, peachesNo, pearsNo, num;
   Double cost;
   String cardnum, custID, apples, peaches, pears, text, text2;

//If Purchase button pressed  . . .
   if(source == purchase){
    cardnum = creditCard.getText();
    custID = customer.getText();
    apples = appleqnt.getText();
    peaches = peachqnt.getText();
    pears = pearqnt.getText();

//Calculate total items
    if(apples.length() > 0){
      applesNo = Integer.valueOf(apples);
      itotal += applesNo.intValue();
    } else {
      itotal += 0;
    }

    if(peaches.length() > 0){
      peachesNo = Integer.valueOf(peaches);
      itotal += peachesNo.intValue();
    } else {
      itotal += 0;
    }

    if(pears.length() > 0){
      pearsNo = Integer.valueOf(pears);
      itotal += pearsNo.intValue();
    } else {
      itotal += 0;
    }

//Display running total
    num = new Integer(itotal);
    text = num.toString();
    this.items.setText(text);

//Calculate and display running cost
    icost = (itotal * 1.25);
    cost = new Double(icost);
    text2 = cost.toString();
    this.cost.setText(text2);

//Send data over net
    try{
       send.sendCreditCard(cardnum);
       send.sendCustID(custID);
       send.sendAppleQnt(apples);
       send.sendPeachQnt(peaches);
       send.sendPearQnt(pears);
       send.sendTotalCost(icost);
       send.sendTotalItems(itotal);
     } catch (java.rmi.RemoteException e) {
       System.out.println("Cannot send data to server");
     }
   }

//If Reset button pressed 
//Clear all fields
   if(source == reset){
     creditCard.setText("");
     appleqnt.setText("");
     peachqnt.setText("");
     pearqnt.setText("");
     creditCard.setText("");
     customer.setText("");

     icost = 0;
     cost = new Double(icost);
     text2 = cost.toString();
     this.cost.setText(text2);

     itotal = 0;
     num = new Integer(itotal);
     text = num.toString();
     this.items.setText(text);
   }
  }

  public static void main(String[] args){
        RMIClient1 frame = new RMIClient1();
	frame.setTitle("Fruit $1.25 Each");
        WindowListener l = new WindowAdapter() {
                public void windowClosing(WindowEvent e) {
                        System.exit(0);
                }
        };

        frame.addWindowListener(l);
        frame.pack();
        frame.setVisible(true);

    if(System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
    }

    try {
      String name = "//" + args[0] + "/Send";
      send = ((Send) Naming.lookup(name));
    } catch (java.rmi.NotBoundException e) {
      System.out.println("Cannot look up remote server object");
    } catch(java.rmi.RemoteException e){
      System.out.println("Cannot look up remote server object");
    } catch(java.net.MalformedURLException e) {
      System.out.println("Cannot look up remote server object");
    }
  }
}