import java.applet.*;
import java.awt.*;
import java.awt.font.*;
import javax.swing.*;
import java.util.*;
import javax.swing.text.*;
import java.net.*;
import java.awt.event.*;
import isip.java.bullyse.bullydb.*;

public class Transaction extends JPanel implements MouseListener {

    // the stock symbol.  From this symbol, all data for this window should 
    // be retreivable.
    //
    private String symbol = null;
    
    // data that is received from the database about the users stock
    //
    private double owned = 0.00;
    private double current = 0.00;
    private String gain = null;
    private String user = null;
    
    // this is the location of the applet.  
    //
    private String path = 
	new String("http://www.isip.msstate.edu/~langley/rking/");

    // all of the components that will be on the panel
    //
    private JTextField buy = null;
    private JTextField sell = null;
    private JLabel price = null;
    private JLabel goButton = null;
    private JLabel stock = null;
    private JLabel bought = null;
    private JLabel profit = null;

    // reference to the applet that contains this panel
    //
    private TransactionApplet applet = null;
    
    // this is the database handle
    //
    BullyDB db;

    public Transaction(String s, TransactionApplet a, String user_) {
	
	// setup the database handle
	//
	db = new BullyDB();

	// give the class a reference to the applet containing it
	//
	applet = a;

	// make a local copy of the stock symbol
	//
	symbol = s;

	// make a local copy of the user AccountId
	//
	user = user_;
	
	// set all the other data base on the stock symbol
	//
	loadStockData();

	// layout the panel and draw it
	//
	layoutPanel();

    }

    // this is used as a testing constructor so it can be run as an 
    // application when necessary.  Some features of the applet will not
    // work.
    //

    public Transaction(String s) {
	

	// make a local copy of the stock symbol
	//
	symbol = s;
	
	// set all the other data base on the stock symbol
	//
	loadStockData();

	// layout the panel and draw it
	//
	layoutPanel();
    }


    // this function will in the end query the database and set the values
    // for owned, current, and gain.  For now though, it hard codes some 
    // values so the GUI can be developed.  The database query will be based
    // on the value of symbol.
    //

    private void loadStockData() {

	// query the database for the user's holdings info
	//
	System.out.println("Getting holdings for symbol " + symbol);
	Vector holdings = db.getHoldings(user, symbol);
	System.out.println("Holdings for user " + user + 
			   " on symbol " + symbol + " gotten");
	if(symbol.equals("Ballance") || symbol.equals("Cash"))
	{
	    System.out.println("using Cash");
	    String temp = holdings.elementAt(0).toString();
	    System.out.println("stripping temp: "+temp);
	    int start = temp.indexOf("[");
	    int end = temp.indexOf("]");
	    //temp.replace('[',' ');
	    //temp.replace('\]',' ');
	    //temp.trim();
	    String ttemp = temp.substring(start+1, end-1);
	    temp = ttemp;
	    System.out.println(temp);
	    //setOwned(temp);
	    owned = Double.parseDouble(temp);
	    //setCurrent("");
	    //setGain("");
	    current = 0;
	    gain = "0";
	}
	else
	{
	    System.out.println("Not using Cash");
	    //setOwned((holdings.elementAt(1)).toString());
	    owned = Double.parseDouble((holdings.elementAt(1)).toString());
	    //setCurrent((holdings.elementAt(3)).toString());
	    current = Double.parseDouble((holdings.elementAt(3)).toString());
	    double cur = Double.parseDouble((String)holdings.elementAt(3));
	    double last = Double.parseDouble((String)holdings.elementAt(2));
	    //setGain(Double.toString(cur - last));
	    gain = Double.toString(cur-last);
	}
    }

    // this function will create two text boxes, a button, and draw all 
    // the appropriate text for creating one of tranaction boxes
    //
    private void layoutPanel() {
	
	
	this.setBackground(new Color(0xd0, 0xd0, 0xd0));

	System.out.println("Layout Panel is run");
	Font font = new Font("Smaller", Font.PLAIN, 10);

	this.setSize(new Dimension(390,25));

	buy = new JTextField(3);
	buy.setHorizontalAlignment(JTextField.RIGHT);
	buy.setDocument(new IntDocument());
	buy.setText("0");

	
	sell = new JTextField(3);
	sell.setHorizontalAlignment(JTextField.RIGHT);
	sell.setDocument(new IntDocument());
	sell.setText("0");

	
	stock = new JLabel(symbol);
	stock.setForeground(Color.black);
	stock.setFont(font);

	bought = new JLabel("" + owned);
	bought.setForeground(Color.black);
	bought.setFont(font);

	
	price = new JLabel("" + current);
	price.setForeground(Color.red);
	Font font2 = 
	    font.deriveFont(TextAttribute.UNDERLINE_ON.intValue());
	price.setFont(font2);
	price.addMouseListener(this);
	

        profit = new JLabel(gain);
	profit.setForeground(Color.black);
	profit.setFont(font);


	// create the icon that will be the go button
	//
	ImageIcon goImage = null;
	try {
	    goImage = new ImageIcon(new URL(path + "go.gif"));
	    
	}
	catch(MalformedURLException e) {
	    System.out.println("The image for the go button cannot be read");
	}
	goButton = new JLabel(goImage);
	goButton.addMouseListener(this);



	// create the grid bag layout and set it to the layout for the panel
	//
	GridBagLayout gridbag = new GridBagLayout();
	GridBagConstraints c = new GridBagConstraints();
	this.setLayout(gridbag);
	this.setSize(new Dimension (300, 20));
	
	
	// Add the stock text field to the applet
	//
	c.gridx = 0;
	c.gridy = 0;
	c.gridwidth = 1;
	c.gridheight = 1;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.WEST;
	c.weightx = 1;
	c.weighty = 0;
	c.insets = new Insets(0, 0, 1, 1);
	gridbag.setConstraints(stock, c);
	this.add(stock);
	
	// Add the bought text field to the applet
	//
	c.gridx = GridBagConstraints.RELATIVE;
	c.gridy = 0;
	c.gridwidth = 1;
	c.gridheight = 1;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.WEST;
	c.weightx = 1;
	c.weighty = 0;
	c.insets = new Insets(0, 0, 1, 0);
	gridbag.setConstraints(bought, c);
	this.add(bought);
	
	// Add the price text field to the applet
	//
	c.gridx = GridBagConstraints.RELATIVE ;
	c.gridy = 0;
	c.gridwidth = 1;
	c.gridheight = 1;
	c.fill = GridBagConstraints.NONE;
	c.anchor = GridBagConstraints.WEST;
	c.weightx = 1;
	c.weighty = 0;
	c.insets = new Insets(0, 0, 1, 0);
	gridbag.setConstraints(price, c);
	this.add(price);
	
	// Add the profit text field to the applet
	//
	c.gridx = GridBagConstraints.RELATIVE ;
	c.gridy = 0;
	c.gridwidth = 1;
	c.gridheight = 1;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.WEST;
	c.weightx = 2;
	c.weighty = 0;
	c.insets = new Insets(0, 0, 1, 0);
	gridbag.setConstraints(profit, c);
	this.add(profit);
	
	// Add the buy text field to the applet
	//
	c.gridx = GridBagConstraints.RELATIVE;
	c.gridy = 0;
	c.gridwidth = 1;
	c.gridheight = 1;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.WEST;
	c.weightx = GridBagConstraints.RELATIVE;
	c.weighty = 0;
	c.insets = new Insets(0, 0, 1, 1);
	gridbag.setConstraints(buy, c);
	this.add(buy);
	
	// Add the sell text field to the applet
	//
	c.gridx = GridBagConstraints.RELATIVE;
	c.gridy = 0;
	c.gridwidth = 1;
	c.gridheight = 1;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.WEST;
	c.weightx = GridBagConstraints.RELATIVE;
	c.weighty = 0;
	c.insets = new Insets(0, 3, 1, 1);
	gridbag.setConstraints(sell, c);
	this.add(sell);
	
	// Add the goButton to the layout
	//
	c.gridx = GridBagConstraints.RELATIVE;
	c.gridy = 0;
	c.gridwidth = 1;
	c.gridheight = 1;
	c.fill = GridBagConstraints.HORIZONTAL;
	c.anchor = GridBagConstraints.EAST;
	c.weightx = GridBagConstraints.REMAINDER;
	c.weighty = 0;
	c.insets = new Insets(0, 2, 1, 1);
	gridbag.setConstraints(goButton, c);
	this.add(goButton);
	
	/*
	  this.setLayout(new GridLayout(1,7, 3, 10));
	  this.add(stock);
	  this.add(bought);
	  this.add(price);
	  this.add(profit);
	  this.add(buy);
	  this.add(sell);
	  this.add(goButton);
	*/
    }

    
    public void mouseClicked(MouseEvent e) {
	
	

	if (e.getComponent() == goButton) {
	    // read in the number of shares to buy
	    //
	    String textFieldString = buy.getText();
	    int bought = 0;
	    if ( (textFieldString.equals("0")) ||
		 (textFieldString.equals("")))
		System.out.println("Nothing is bought.");
	    else {
		bought = Integer.parseInt(textFieldString);
		System.out.println(textFieldString + " shares of " + symbol +
				   " are bought.");
	    }
	    
	    
	    // read in the number of shares to sell
	    //
	    int sold = 0;
	    textFieldString = sell.getText();
	    if ((textFieldString.equals("0"))  ||
		(textFieldString.equals("")))
		System.out.println("Nothing is sold.");
	    else {
		sold = Integer.parseInt(textFieldString);	
		System.out.println(textFieldString + " shares of " + symbol +
				   " are sold.");
	    }
	}
	else if (e.getComponent() == price) {
	    
	    // this URL will be pulled from the database for each of the
	    // different stocks
	    //
	    try {
		applet.getAppletContext().
		    showDocument(new URL("http://www.cnn.com"));
	    }
	    catch(MalformedURLException ex) {
		System.out.println("The URL is not valid");
	    }
	}
    }

    public void mouseReleased(MouseEvent e) {
	
	// mandatory to implement the mouse listener

    }
    public void mouseExited(MouseEvent e) {
	
	// mandatory to implement the mouse listener

    }
    public void mouseEntered(MouseEvent e) {
	
	// mandatory to implement the mouse listener

    }
    public void mousePressed(MouseEvent e) {
	
	// mandatory to implement the mouse listener

    }

    public static void main (String args[]) {

	Frame f = new Frame();
	f.add(new Transaction("ADTN"));

	f.pack();
	f.setVisible(true);
	  
    }

    private void setOwned(String newValue) {

	//System.out.println(newValue);
	owned = Double.parseDouble(newValue);
	bought.setText(newValue);
	
    }

    private void setCurrent(String newValue) {

	current = Double.parseDouble(newValue);
	price.setText(newValue);
	
    }

    private void setGain(String newValue) {

	gain = newValue;
	profit.setText(newValue);
	
    }

}