import java.awt.Dimension;
import java.awt.Color;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;
import javax.swing.JOptionPane;
import java.io.File;
import java.io.IOException;
import java.net.URLConnection;
import java.util.Properties;

public class profileMakerGUI extends JPanel implements ActionListener
{

	private final String strUploadScript = "http://www.demonisch.co.uk/profiles/cgi-bin/profileMakerUploadScript.pl";
	public final int WIDTH = 500, HEIGHT = 300;
	private final Color clrBackground = new Color(75,141,221), clrForeground = new Color(255,255,255);

	private int newProfileFormCount = 1;

	private boolean isLoggedIn = false;
	private String strSessionID = "";

	private JTabbedPane tabSystem;

	private profileMakerMenuSystem menu;
	private JFrame mainApp = null;

	public profileMakerGUI (JFrame mainApp)
	{

		super.setLayout(new BorderLayout());
		this.setPreferredSize(new Dimension(WIDTH, HEIGHT));
		this.setOpaque(true);

		menu = new profileMakerMenuSystem(this);

		tabSystem = new JTabbedPane();

		this.add(tabSystem, BorderLayout.CENTER);

	}

	public JMenuBar getMenu ()
	{
		return menu;
	}

	public void actionPerformed (ActionEvent e)
	{

		if (e.getActionCommand().equalsIgnoreCase("New"))
		{

			formProfile profileForm = new formProfile(mainApp);
			profileForm.setColours(clrBackground, clrForeground);

			tabSystem.addTab(("Untitled " + (newProfileFormCount++)), profileForm);

			if (tabSystem.getTabCount() == 1) //If this is the first tab opened, then change the menu to allow file operations
			{
				menu.setProfileOpen(true);
			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Open"))
		{

			pmReadXML read = new pmReadXML(mainApp);
			boolean success = false;

			try
			{
				success = read.open();
			}
			catch (dialogueException ex)
			{
				ex.displayError(mainApp);
			}

			if (success)
			{

				formProfile profileForm = new formProfile(mainApp);
				profileForm.setColours(clrBackground, clrForeground);
				profileForm.openProfileFromFile(read.getProperties(), read.getFile());

				tabSystem.addTab(profileForm.getTitle(), profileForm);
				tabSystem.setSelectedIndex(tabSystem.getTabCount() - 1);

				if (tabSystem.getTabCount() == 1)
				{
					menu.setProfileOpen(true);
				}

			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Save"))
		{			
			saveFile(false, tabSystem.getSelectedIndex());
		}
		else if (e.getActionCommand().equalsIgnoreCase("Save As"))
		{
			saveFile(true, tabSystem.getSelectedIndex());
		}
		else if (e.getActionCommand().equalsIgnoreCase("Save All"))
		{

			for (int i = 0; i < tabSystem.getTabCount(); i++)
			{
				saveFile(true, i);
			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Close"))
		{

			int index = tabSystem.getSelectedIndex();

			if (canCloseFile(index) == 1)
			{
				tabSystem.remove(index);
			}

			if (tabSystem.getTabCount() < 1)
			{
				menu.setProfileOpen(false);
			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Close All"))
		{
			
			closeAll();

			if (tabSystem.getTabCount() < 1)
			{
				menu.setProfileOpen(false);
			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Exit"))
		{

			closeAll();

			if (tabSystem.getTabCount() < 1)
			{
				System.exit(0);
			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Login"))
		{

			pmFormLogin loginForm = new pmFormLogin(mainApp);
			loginForm.setVisible(true);
			//If successful login
			if (loginForm.isLoggedIn())
			{
				loginAccount(loginForm.getSessionID());
			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Register"))
		{

			pmFormRegister registerForm = new pmFormRegister(mainApp);
			registerForm.setVisible(true);
			//Successful register
			if (registerForm.isLoggedIn())
			{
				loginAccount(registerForm.getSessionID());
			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Upload Profile"))
		{

			formProfile profileForm = (formProfile)tabSystem.getSelectedComponent();
			Properties propReply = null;
			boolean uploadAttempted = false;

			try
			{
				propReply = profileForm.uploadProfileToWebsite(strSessionID, strUploadScript);
			}
			catch (dialogueException ex)
			{
				ex.displayError(mainApp);
			}

			if (propReply != null)
			{

				if (propReply.getProperty("uploadSuccess").equalsIgnoreCase("true"))
				{
					JOptionPane.showMessageDialog(mainApp, "The profile was successfully uploaded and can be viewed at\n" + propReply.getProperty("url"), "Upload Complete", JOptionPane.INFORMATION_MESSAGE);
				}
				else
				{
					//If an error occurs a flag is returned saying if should be logged out or not
					if (propReply.getProperty("logout").equalsIgnoreCase("true"))
					{

						setLoggedIn(false);
						strSessionID = "";

					}

					JOptionPane.showMessageDialog(mainApp, (String)propReply.getProperty("errorMsg"), (String)propReply.getProperty("errorMsgTitle"), JOptionPane.ERROR_MESSAGE);
				}

			}

		}
		else if (e.getActionCommand().equalsIgnoreCase("Logout"))
		{

			setLoggedIn(false);
			strSessionID = "";

		}

	}
	
	private void closeAll ()
	{
		
		int choice = 0;

		for (int i = (tabSystem.getTabCount() - 1); i >= 0; i--)
		{

			choice = canCloseFile(i);
			
			if (choice == 1)
			{
				tabSystem.remove(i);
			}
			else if (choice == -1)
			{
				break;
			}

		}
		
	}
	//1 = yes, 0 = no, -1 cancel
	private int canCloseFile (int index)
	{		
		
		formProfile profileForm = (formProfile)tabSystem.getComponentAt(index);
		tabSystem.setSelectedIndex(index);		
		String strTitle = profileForm.getTitle();
		
		if (profileForm.needsSaving())
		{

			int choice = JOptionPane.showConfirmDialog(mainApp, "Do you wish to save the changes made to profile\n" + strTitle, "Confirm Save", JOptionPane.YES_NO_CANCEL_OPTION);

			if (choice == JOptionPane.YES_OPTION)
			{
				
				if (!saveFile(false, index))
				{
					return 0;
				}

			}
			else if (choice == JOptionPane.CANCEL_OPTION)
			{
				return -1;
			}

		}

		return 1;

	}
	//If saveAs is true it will ask for a new filename
	private boolean saveFile (boolean saveAs, int index)
	{
	
		formProfile profileForm = (formProfile)tabSystem.getComponentAt(index);		

		try
		{
						
			profileForm.saveProfileToFile(saveAs);
			tabSystem.setTitleAt(index, profileForm.getTitle());
			return true;
			
		}
		catch (dialogueException ex)
		{
			
			ex.displayError(mainApp);
			return false;
			
		}

	}

	private void loginAccount (String strSessionID)
	{

		setLoggedIn(true);
		this.strSessionID = strSessionID;

	}

	private void setLoggedIn (boolean isLoggedIn)
	{

		this.isLoggedIn = isLoggedIn;
		menu.setLoggedIn(isLoggedIn);

	}

}