package fr.mael.jiwigo.ui;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Locale;

import javax.swing.AbstractListModel;
import javax.swing.ComboBoxModel;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

import fr.mael.jiwigo.Main;
import fr.mael.jiwigo.transverse.enumeration.PreferencesEnum;
import fr.mael.jiwigo.transverse.session.SessionManager;
import fr.mael.jiwigo.transverse.util.Messages;
import fr.mael.jiwigo.transverse.util.preferences.PreferencesManagement;

/**
   Copyright (c) 2010, Mael
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of jiwigo nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   DISCLAIMED. IN NO EVENT SHALL Mael BE LIABLE FOR ANY
   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 * @author mael
 * Dialog de connexion au site
 */
public class ConnexionDialog extends JDialog implements ActionListener, ItemListener, KeyListener, WindowListener {

    /**
     * Logger
     */
    public static final org.apache.commons.logging.Log LOG = org.apache.commons.logging.LogFactory
	    .getLog(ConnexionDialog.class);
    /**
     * field that contains the url
     */
    private JTextField fieldUrl;
    /**
     * field that contains the login
     */
    private JTextField loginField;
    /**
     * field that contains de password
     */
    private JPasswordField passwordField;
    /**
     * label of the url field
     */
    private JLabel labelUrl;
    /**
     * label of the login field
     */
    private JLabel labelLogin;
    /**
     *  label of the password field
     */
    private JLabel labelPass;
    /**
     * ok button for the connection
     */
    private JButton boutonOk;

    /**
     * Box that allows to save informations
     */
    private JCheckBox checkBoxRetenir;

    /**
     * Combo containing all locales
     */
    private JComboBox comboLocales;

    /**
     * Panel that allows to define a proxy to use
     */
    private ProxyPanel proxyPanel;

    /**
     * Constructor
     */
    public ConnexionDialog() {
	Locale defautLocale = Messages.usedLocale;
	labelUrl = new JLabel(Messages.getMessage("connexionDialog_urlSite"));
	labelLogin = new JLabel(Messages.getMessage("connexionDialog_login"));
	labelPass = new JLabel(Messages.getMessage("connexionDialog_pass"));
	proxyPanel = new ProxyPanel(this);
	comboLocales = new JComboBox();
	boutonOk = new JButton("Ok");
	String url = PreferencesManagement.getValue(PreferencesEnum.URL_SITE.getLabel());
	String login = PreferencesManagement.getValue(PreferencesEnum.LOGIN.getLabel());
	String pass = PreferencesManagement.getValue(PreferencesEnum.PASSWORD.getLabel());

	fieldUrl = new JTextField(url);
	loginField = new JTextField(login);
	passwordField = new JPasswordField(pass);
	checkBoxRetenir = new JCheckBox(Messages.getMessage("connexionDialog_sauvegarder"));
	if (!url.equals("") && !login.equals("") && !pass.equals("")) {
	    checkBoxRetenir.setSelected(true);
	}
	JPanel panelInformations = new JPanel(new GridBagLayout());
	Dimension fieldDimensions = new Dimension(300, 30);
	fieldUrl.setPreferredSize(fieldDimensions);
	fieldUrl.addActionListener(this);
	loginField.setPreferredSize(fieldDimensions);
	loginField.addActionListener(this);
	passwordField.setPreferredSize(fieldDimensions);
	passwordField.addActionListener(this);
	this.getContentPane().setLayout(new BorderLayout());
	GridBagConstraints constraints = new GridBagConstraints();
	constraints.gridx = 0;
	constraints.gridy = 0;
	constraints.insets = new Insets(3, 3, 3, 3);
	panelInformations.add(labelUrl, constraints);
	constraints.gridx++;
	panelInformations.add(fieldUrl, constraints);
	constraints.gridx = 0;
	constraints.gridy++;
	panelInformations.add(labelLogin, constraints);
	constraints.gridx++;
	panelInformations.add(loginField, constraints);
	constraints.gridx = 0;
	constraints.gridy++;
	panelInformations.add(labelPass, constraints);
	constraints.gridx++;
	panelInformations.add(passwordField, constraints);
	constraints.gridx = 0;
	constraints.gridy++;
	panelInformations.add(comboLocales, constraints);
	constraints.gridx++;
	panelInformations.add(checkBoxRetenir, constraints);
	constraints.gridx = 0;
	constraints.gridy++;//
	//	for (Locale locale : SimpleDateFormat.getAvailableLocales()) {
	//	    comboLocales.addItem(locale.getDisplayName(Locale.ENGLISH));
	//	}
	comboLocales.setPreferredSize(new Dimension(130, 25));
	comboLocales.addItemListener(this);
	boutonOk.setPreferredSize(new Dimension(80, 30));
	boutonOk.addActionListener(this);
	JPanel panelBouton = new JPanel(new FlowLayout(FlowLayout.CENTER));
	panelBouton.add(boutonOk);
	localeModel model = new localeModel();
	comboLocales.setModel(model);
	model.setSelectedItem(defautLocale.getDisplayLanguage(Locale.ENGLISH));
	this.getContentPane().add(panelInformations, BorderLayout.NORTH);
	this.getContentPane().add(proxyPanel, BorderLayout.CENTER);
	this.getContentPane().add(panelBouton, BorderLayout.SOUTH);
	this.addWindowListener(this);
	this.setResizable(false);
    }

    public void showDialog() {
	this.pack();
	this.setLocationRelativeTo(null);
	this.setVisible(true);
    }

    @Override
    public void actionPerformed(ActionEvent paramActionEvent) {
	//if one field is empty, an error is displayed
	if (fieldUrl.getText().equals("") || loginField.getText().equals("") || passwordField.getText().equals("")) {
	    JOptionPane.showMessageDialog(null, Messages.getMessage("connexionDialog_emptyField"), Messages
		    .getMessage("error"), JOptionPane.ERROR_MESSAGE);
	} else {
	    if (!fieldUrl.getText().startsWith("http://")) {
		fieldUrl.setText("http://" + fieldUrl.getText());
	    }
	    //instanciation of the session manager
	    Main.sessionManager = new SessionManager(loginField.getText(), passwordField.getText(), fieldUrl.getText());
	    boolean echecProxy = false;
	    if (proxyPanel.getCheckBox().isSelected()) {
		int portProxy = 0;
		try {
		    portProxy = Integer.valueOf(proxyPanel.getFieldPort().getText());
		    Main.sessionManager.setPortProxy(portProxy);
		    Main.sessionManager.setUrlProxy(proxyPanel.getFieldUrl().getText());
		    Main.sessionManager.setLoginProxy(proxyPanel.getFieldLogin().getText());
		    Main.sessionManager.setPassProxy(proxyPanel.getFieldPassword().getText());
		    Main.sessionManager.setUsesProxy(true);
		} catch (Exception e) {
		    echecProxy = true;
		}

	    }

	    //save informations...
	    if (checkBoxRetenir.isSelected()) {
		PreferencesManagement.setValue(PreferencesEnum.LOGIN.getLabel(), loginField.getText());
		PreferencesManagement.setValue(PreferencesEnum.PASSWORD.getLabel(), passwordField.getText());
		PreferencesManagement.setValue(PreferencesEnum.URL_SITE.getLabel(), fieldUrl.getText());
		PreferencesManagement
			.setValue(PreferencesEnum.URL_PROXY.getLabel(), proxyPanel.getFieldUrl().getText());
		PreferencesManagement.setValue(PreferencesEnum.PORT_PROXY.getLabel(), proxyPanel.getFieldPort()
			.getText());
		PreferencesManagement.setValue(PreferencesEnum.USER_PROXY.getLabel(), proxyPanel.getFieldLogin()
			.getText());
		PreferencesManagement.setValue(PreferencesEnum.PASS_PROXY.getLabel(), proxyPanel.getFieldPassword()
			.getText());
		PreferencesManagement.setValue(PreferencesEnum.USE_PROXY.getLabel(), String.valueOf(proxyPanel
			.getCheckBox().isSelected()));
	    }
	    //... or not
	    else {
		PreferencesManagement.setValue(PreferencesEnum.LOGIN.getLabel(), "");
		PreferencesManagement.setValue(PreferencesEnum.PASSWORD.getLabel(), "");
		PreferencesManagement.setValue(PreferencesEnum.URL_SITE.getLabel(), "");
		PreferencesManagement
			.setValue(PreferencesEnum.URL_PROXY.getLabel(), proxyPanel.getFieldUrl().getText());
		PreferencesManagement.setValue(PreferencesEnum.PORT_PROXY.getLabel(), proxyPanel.getFieldPort()
			.getText());
		PreferencesManagement.setValue(PreferencesEnum.USER_PROXY.getLabel(), proxyPanel.getFieldLogin()
			.getText());
		PreferencesManagement.setValue(PreferencesEnum.PASS_PROXY.getLabel(), proxyPanel.getFieldPassword()
			.getText());
		PreferencesManagement.setValue(PreferencesEnum.USE_PROXY.getLabel(), "false");
	    }
	    if (echecProxy) {
		JOptionPane.showMessageDialog(null, Messages.getMessage("proxyError"), Messages.getMessage("error"),
			JOptionPane.ERROR_MESSAGE);
	    } else {
		if (!Main.sessionManager.processLogin()) {
		    //if the login fails, an error is displayed
		    if (!Main.sessionManager.isProxyError()) {
			JOptionPane.showMessageDialog(null, Messages.getMessage("connexionDialog_connexionError"),
				Messages.getMessage("error"), JOptionPane.ERROR_MESSAGE);
		    }
		} else {
		    //		Locale.setDefault((Locale) comboLocales.getSelectedItem());
		    Main.showFrame();
		    //hides the dialog
		    this.dispose();
		}
	    }

	}
    }

    @Override
    public void itemStateChanged(ItemEvent paramItemEvent) {
	for (Locale locale : SimpleDateFormat.getAvailableLocales()) {
	    if (locale.getDisplayName(Locale.ENGLISH).equals(paramItemEvent.getItem())) {
		Messages.usedLocale = locale;
		dispose();
		ConnexionDialog dial = new ConnexionDialog();
		dial.showDialog();

	    }

	}
    }

    @Override
    public void keyPressed(KeyEvent arg0) {
    }

    @Override
    public void keyReleased(KeyEvent arg0) {

    }

    @Override
    public void keyTyped(KeyEvent arg0) {
    }

    @Override
    public void windowActivated(WindowEvent e) {
	// TODO Auto-generated method stub

    }

    @Override
    public void windowClosed(WindowEvent e) {
    }

    @Override
    public void windowClosing(WindowEvent e) {
	System.exit(0);
    }

    @Override
    public void windowDeactivated(WindowEvent e) {
	// TODO Auto-generated method stub

    }

    @Override
    public void windowDeiconified(WindowEvent e) {
	// TODO Auto-generated method stub

    }

    @Override
    public void windowIconified(WindowEvent e) {
	// TODO Auto-generated method stub

    }

    @Override
    public void windowOpened(WindowEvent e) {
	// TODO Auto-generated method stub

    }

    /**
     * @author mael
     * Internal class that represents the model of the combobox that allows
     * to choose a locale
     */
    class localeModel extends AbstractListModel implements ComboBoxModel {

	Locale[] locales = SimpleDateFormat.getAvailableLocales();
	//List<Locale> locales = Messages.getAvailableBundles();
	String[] localesNames;

	String selection = null;

	public localeModel() {
	    localesNames = new String[locales.length];
	    int compteur = 0;
	    for (Locale locale : locales) {
		localesNames[compteur] = locale.getDisplayName(Locale.ENGLISH);
		compteur++;
	    }
	    Arrays.sort(localesNames);
	}

	public Object getElementAt(int index) {
	    return localesNames[index];
	}

	public int getSize() {
	    return locales.length;
	}

	public void setSelectedItem(Object anItem) {
	    selection = (String) anItem;
	}

	public Object getSelectedItem() {
	    if (selection != null)
		return selection;
	    else
		return null;
	}
    }
}