import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.border.*;
import java.util.*;



public class CipherCesarGUI_MVC {


  public static void main(String args[]) {
    try {
     UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
    } catch (Exception e) {}
    JFrame cipherGUIFrame = new CipherGUIFrame();
    cipherGUIFrame.setVisible(true);

  }
}

class CipherGUIFrame extends JFrame{
  public CipherGUIFrame() {
      super("Caesar Cipher GUI_MVC -- Courtney Ball");
      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      setSize(400, 600);
      Container content = getContentPane();
      content.setLayout(new BoxLayout(content, BoxLayout.Y_AXIS));



	//Variables
	final JTextArea Cleartext1;
	final JTextArea Ciphertext1;
	Ciphertext1 = new JTextArea(5, 10);
	final Cipher cipherVar = new CipherCaesar();
	cipherVar.setDecrypting(false);

		Color tmp = this.getBackground();



	//-----------------------Cleartext Area Jtextarea------------------------------
	Cleartext1 = new JTextArea(5, 10);
	DocumentListener cleartextListener = new DocumentListener(){
    	public	void insertUpdate(DocumentEvent e){
    		try{
    			if(!cipherVar.isDecrypting()){
    			cipherVar.setCleartext(Cleartext1.getText());
    			Ciphertext1.setText(cipherVar.getCiphertext());
    		}
    		}
    		catch(CipherEncryptingException n){

    		System.out.println("Aww crap, thats wrong yo.");
    		System.exit(0);
    			}

    		}

   	    public void changedUpdate(DocumentEvent e){
    		System.out.println("Text2 is working");
    	}
    	public	void removeUpdate(DocumentEvent e){
    		try{
    			if(!cipherVar.isDecrypting()){
    			cipherVar.setCleartext(Cleartext1.getText());
    			Ciphertext1.setText(cipherVar.getCiphertext());
    			}
    		}
    		catch(CipherEncryptingException n){

    		System.out.println("Aww crap, thats wrong yo.");
    		System.exit(0);
    			}

    		}
    } ;

	Cleartext1.setAlignmentX(Component.LEFT_ALIGNMENT);
	Cleartext1.setBackground(tmp);
	Cleartext1.setBorder(new TitledBorder(new EtchedBorder(),
         "ClearText"));
    Cleartext1.getDocument().addDocumentListener(cleartextListener);
    content.add(Cleartext1);

//-----------------------------------------------------------------------------------------------
    final JSpinner spinner = new JSpinner(new SpinnerNumberModel(0, 0, 25, 1)) {
    	//numModel = new SpinnerNumberModel(0, 0, 25, 1);
	public Object getNextValue() {
		Object returnValue = super.getNextValue();
			if(returnValue == null) {
				returnValue = ((SpinnerNumberModel) super.getModel()).getMinimum();
			}
			return returnValue;
	}
	public Object getPreviousValue() {
		Object returnValue = super.getPreviousValue();
		if(returnValue == null) {
			returnValue = ((SpinnerNumberModel) super.getModel()).getMaximum();
		}
		return returnValue;
	}
 };

    //----------------------JSPinner------------------------------------------
    ChangeListener spin = new ChangeListener(){
    	public void stateChanged(ChangeEvent e){
    	int keyValue;
    	keyValue = Integer.parseInt(spinner.getValue().toString());
    	cipherVar.setKey(keyValue);
    		if(cipherVar.isDecrypting()){
    			Cleartext1.setText(cipherVar.getCleartext());
    		}
    		else{
    			Ciphertext1.setText(cipherVar.getCleartext());
    		}
    	}
    };

    spinner.setBackground(tmp);
    spinner.setSize(100,100);
    spinner.setBorder(new TitledBorder(new EtchedBorder(),
         "Key"));
    spinner.addChangeListener(spin);
    content.add(spinner);
   //--------------------------------------------------------------------------


   //---------------------TOGGLE BUTTON-----------------------------------------
   final JToggleButton button;
    button = new JToggleButton("Encrypt");
    ActionListener toggle = new ActionListener(){
    	public void actionPerformed(ActionEvent e){
    		if(button.isSelected()){
    		     button.setText("Decrypt");
    			 Cleartext1.setEnabled(false);
    			 Ciphertext1.setEnabled(true);
    			 cipherVar.setDecrypting(true);
    		}
    		else{
    		     button.setText("Encrypt");
    			 Cleartext1.setEnabled(true);
    			 Ciphertext1.setEnabled(false);
    			 cipherVar.setDecrypting(false);
    		}
    	}

    };


    button.addActionListener(toggle);
    content.add(button);


   //--------------------------------------------------------------------------



    //-------------------JTextArea--------------------------------
    DocumentListener text = new DocumentListener(){
    	public	void insertUpdate(DocumentEvent e){
    		try{
    			if(cipherVar.isDecrypting()){
    			cipherVar.setCiphertext(Ciphertext1.getText());
    			Cleartext1.setText(cipherVar.getCiphertext());
    			}
    		}
    		catch(CipherDecryptingException h){
    			System.out.println("Aww crap, thats wrong yo.");
    			System.exit(0);
    			}
    		}

    	public	void changedUpdate(DocumentEvent e){
    		System.out.println("Text2 is working");
    	}
    	public	void removeUpdate(DocumentEvent e){
    		try{
    			if(cipherVar.isDecrypting()){
    			cipherVar.setCiphertext(Ciphertext1.getText());
    			Cleartext1.setText(cipherVar.getCiphertext());
    			}
    		}
    		catch(CipherDecryptingException h){
    			System.out.println("Aww crap, thats wrong yo.");
    			System.exit(0);
    			}
    	}
    } ;


	Ciphertext1.setAlignmentX(Component.LEFT_ALIGNMENT);
	Ciphertext1.setBackground(tmp);
	Ciphertext1.setBorder(new TitledBorder(new EtchedBorder(),
         "Cipher Text"));
    Ciphertext1.getDocument().addDocumentListener(text);
    content.add(Ciphertext1);


  }
}