/*
* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
*    1. Redistributions of source code must retain the above copyright notice, this list of
*       conditions and the following disclaimer.
*
*    2. 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.
*
* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``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 BetaSteward_at_googlemail.com OR
* CONTRIBUTORS 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.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of BetaSteward_at_googlemail.com.
*/

/*
 * ConnectDialog.java
 *
 * Created on 20-Jan-2010, 9:37:07 PM
 */

package mage.client.dialog;

import mage.client.MageFrame;
import mage.client.util.Config;
import mage.remote.Connection;
import mage.remote.Connection.ProxyType;
import org.apache.log4j.Logger;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;

/**
 * @author BetaSteward_at_googlemail.com
 */
public class ConnectDialog extends MageDialog {

    private static final Logger logger = Logger.getLogger(ConnectDialog.class);
    private Connection connection;
    private ConnectTask task;

    private final ActionListener connectAction = new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent evt) {
            btnConnectActionPerformed(evt);
        }
    };

    /**
     * Creates new form ConnectDialog
     */
    public ConnectDialog() {
        initComponents();

        this.txtUserName.addActionListener(connectAction);
        this.txtServer.addActionListener(connectAction);
        this.txtPort.addActionListener(connectAction);
    }

    public void showDialog() {
        this.txtServer.setText(MageFrame.getPreferences().get("serverAddress", Config.serverName));
        this.txtPort.setText(MageFrame.getPreferences().get("serverPort", Integer.toString(Config.port)));
        this.txtUserName.setText(MageFrame.getPreferences().get("userName", ""));
        this.chkAutoConnect.setSelected(Boolean.parseBoolean(MageFrame.getPreferences().get("autoConnect", "false")));
        this.setModal(true);
        this.setLocation(50, 50);
        this.setVisible(true);
    }

    private void saveSettings() {
        MageFrame.getPreferences().put("serverAddress", txtServer.getText().trim());
        MageFrame.getPreferences().put("serverPort", txtPort.getText().trim());
        MageFrame.getPreferences().put("userName", txtUserName.getText().trim());
        MageFrame.getPreferences().put("autoConnect", Boolean.toString(chkAutoConnect.isSelected()));
    }

    /**
     * This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        txtServer = new javax.swing.JTextField();
        lblServer = new javax.swing.JLabel();
        lblPort = new javax.swing.JLabel();
        txtPort = new javax.swing.JTextField();
        txtUserName = new javax.swing.JTextField();
        lblUserName = new javax.swing.JLabel();
        btnConnect = new javax.swing.JButton();
        btnCancel = new javax.swing.JButton();
        chkAutoConnect = new javax.swing.JCheckBox();
        jButton1 = new javax.swing.JButton();
        jProxySettingsButton = new javax.swing.JButton();
        lblStatus = new javax.swing.JLabel();

        setTitle("Connect");
        setNormalBounds(new java.awt.Rectangle(100, 100, 410, 307));

        lblServer.setLabelFor(txtServer);
        lblServer.setText("Server:");

        lblPort.setLabelFor(txtPort);
        lblPort.setText("Port:");

        txtPort.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                ConnectDialog.this.keyTyped(evt);
            }
        });

        lblUserName.setLabelFor(txtUserName);
        lblUserName.setText("User Name:");

        btnConnect.setText("Connect");
        btnConnect.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnConnectActionPerformed(evt);
            }
        });

        btnCancel.setText("Cancel");
        btnCancel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnCancelActionPerformed(evt);
            }
        });

        chkAutoConnect.setText("Automatically connect to this server next time");
        chkAutoConnect.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                chkAutoConnectActionPerformed(evt);
            }
        });

        jButton1.setText("Find...");
        jButton1.setToolTipText("Find public server");
        jButton1.setName("findServerBtn"); // NOI18N
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                findPublicServerActionPerformed(evt);
            }
        });

        jProxySettingsButton.setText("Proxy Settings...");
        jProxySettingsButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jProxySettingsButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(layout.createSequentialGroup()
                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                                        .addComponent(lblPort)
                                                        .addComponent(lblServer)
                                                        .addComponent(lblUserName))
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                        .addGroup(layout.createSequentialGroup()
                                                                .addComponent(txtPort, javax.swing.GroupLayout.PREFERRED_SIZE, 71, javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                .addGap(131, 131, 131))
                                                        .addComponent(txtUserName, javax.swing.GroupLayout.DEFAULT_SIZE, 382, Short.MAX_VALUE)
                                                        .addComponent(chkAutoConnect, javax.swing.GroupLayout.DEFAULT_SIZE, 382, Short.MAX_VALUE)
                                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                                                                .addComponent(txtServer, javax.swing.GroupLayout.DEFAULT_SIZE, 311, Short.MAX_VALUE)
                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                                .addComponent(jButton1))
                                                        .addComponent(jProxySettingsButton)))
                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                                                .addComponent(btnConnect)
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                .addComponent(btnCancel))
                                        .addComponent(lblStatus, javax.swing.GroupLayout.PREFERRED_SIZE, 195, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addContainerGap())
        );
        layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(layout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(lblServer)
                                        .addComponent(txtServer, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jButton1))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(txtPort, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(lblPort))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(txtUserName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(lblUserName))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(chkAutoConnect)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(jProxySettingsButton)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addGroup(layout.createSequentialGroup()
                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 24, Short.MAX_VALUE)
                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                                        .addComponent(btnCancel)
                                                        .addComponent(btnConnect))
                                                .addContainerGap())
                                        .addGroup(layout.createSequentialGroup()
                                                .addGap(8, 8, 8)
                                                .addComponent(lblStatus)
                                                .addContainerGap())))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void btnCancelActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnCancelActionPerformed
        MageFrame.getPreferences().put("autoConnect", Boolean.toString(chkAutoConnect.isSelected()));
        if (task != null && !task.isDone()) {
            task.cancel(true);
        } else {
            this.hideDialog();
        }
    }//GEN-LAST:event_btnCancelActionPerformed

    private void btnConnectActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnConnectActionPerformed

        if (txtUserName.getText().isEmpty()) {
            JOptionPane.showMessageDialog(rootPane, "Please provide a user name");
            return;
        }
        if (txtServer.getText().trim().isEmpty()) {
            JOptionPane.showMessageDialog(rootPane, "Please provide a server address");
            return;
        }
        if (txtPort.getText().trim().isEmpty()) {
            JOptionPane.showMessageDialog(rootPane, "Please provide a port number");
            return;
        }
        if (Integer.valueOf(txtPort.getText()) < 1 || Integer.valueOf(txtPort.getText()) > 65535) {
            JOptionPane.showMessageDialog(rootPane, "Invalid port number");
            txtPort.setText(MageFrame.getPreferences().get("serverPort", Integer.toString(Config.port)));
            return;
        }

        char[] input = new char[0];
        try {
            setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
            connection = new Connection();
            connection.setHost(this.txtServer.getText().trim());
            connection.setPort(Integer.valueOf(this.txtPort.getText().trim()));
            connection.setUsername(this.txtUserName.getText().trim());

            ProxyType configProxyType = Connection.ProxyType.valueByText(PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_TYPE, "None"));

            if (configProxyType != null) {
                connection.setProxyType(configProxyType);
                if (!configProxyType.equals(ProxyType.NONE)) {
                    String host = PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_ADDRESS, "");
                    String port = PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_PORT, "");
                    if (!host.isEmpty() && !port.isEmpty()) {
                        connection.setProxyHost(host);
                        connection.setProxyPort(Integer.valueOf(port));
                        String username = PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_USERNAME, "");
                        connection.setProxyUsername(username);
                        if (PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_REMEMBER, "false").equals("true")) {
                            String password = PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_PSWD, "");
                            connection.setProxyPassword(password);
                        }
                    } else {
                        logger.warn("host or\\and port are empty: host=" + host + ", port=" + port);
                    }
                }
            }

            // pref settings
            int avatarId = PreferencesDialog.getSelectedAvatar();
            connection.setAvatarId(avatarId);
            boolean showAbilityPickerForced = PreferencesDialog.getCachedValue(PreferencesDialog.KEY_SHOW_ABILITY_PICKER_FORCED, "true").equals("true");
            connection.setShowAbilityPickerForced(showAbilityPickerForced);
            logger.debug("connecting: " + connection.getProxyType() + " " + connection.getProxyHost() + " " + connection.getProxyPort());
            task = new ConnectTask();
            task.execute();
        } finally {
            Arrays.fill(input, '0');
        }

    }//GEN-LAST:event_btnConnectActionPerformed

    private class ConnectTask extends SwingWorker<Boolean, Void> {

        private boolean result = false;

        @Override
        protected Boolean doInBackground() throws Exception {
            lblStatus.setText("Connecting...");
            btnConnect.setEnabled(false);
            result = MageFrame.connect(connection);
            return result;
        }

        @Override
        protected void done() {
            try {
                get();
                setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
                if (result) {
                    lblStatus.setText("");
                    connected();
                } else {
                    lblStatus.setText("Could not connect");
                }
            } catch (InterruptedException ex) {
                logger.fatal("Update Players Task error", ex);
            } catch (ExecutionException ex) {
                logger.fatal("Update Players Task error", ex);
            } catch (CancellationException ex) {
                logger.info("Connect was canceled");
                lblStatus.setText("Connect was canceled");
                MageFrame.stopConnecting();
            } finally {
                btnConnect.setEnabled(true);
            }
        }
    }

    private void connected() {
        this.saveSettings();
        this.hideDialog();
    }


    private void keyTyped(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_keyTyped
        char c = evt.getKeyChar();
        if (!Character.isDigit(c))
            evt.consume();
    }//GEN-LAST:event_keyTyped

    private void chkAutoConnectActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_chkAutoConnectActionPerformed

        // TODO add your handling code here:
    }//GEN-LAST:event_chkAutoConnectActionPerformed

    private void findPublicServerActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        BufferedReader in = null;
        try {
            // URL serverListURL = new URL("http://download.magefree.com/files/server-list.txt");
            URL serverListURL = new URL("http://176.31.186.181/files/server-list.txt");

            Connection.ProxyType configProxyType = Connection.ProxyType.valueByText(PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_TYPE, "None"));

            Proxy p = null;
            Proxy.Type type = Proxy.Type.DIRECT;
            switch (configProxyType) {
                case HTTP:
                    type = Proxy.Type.HTTP;
                    break;
                case SOCKS:
                    type = Proxy.Type.SOCKS;
                    break;
                case NONE:
                default:
                    p = Proxy.NO_PROXY;
                    break;
            }

            if (p == null || !p.equals(Proxy.NO_PROXY)) {
                try {
                    String address = PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_ADDRESS, "");
                    Integer port = Integer.parseInt(PreferencesDialog.getCachedValue(PreferencesDialog.KEY_PROXY_PORT, "80"));
                    p = new Proxy(type, new InetSocketAddress(address, port));
                } catch (Exception ex) {
                    throw new RuntimeException("Gui_DownloadPictures : error 1 - " + ex);
                }
            }

            if (p == null) {
                JOptionPane.showMessageDialog(null, "Couldn't configure Proxy object!", "Error", JOptionPane.ERROR_MESSAGE);
                return;
            }

            in = new BufferedReader(new InputStreamReader(serverListURL.openConnection(p).getInputStream()));

            List<String> servers = new ArrayList<String>();
            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                logger.info("Found server: " + inputLine);
                servers.add(inputLine);
            }

            if (servers.size() == 0) {
                JOptionPane.showMessageDialog(null, "Couldn't find any server.");
                return;
            }

            String selectedServer = (String) JOptionPane.showInputDialog(null,
                    "Choose MAGE Public Server:", "Input",
                    JOptionPane.INFORMATION_MESSAGE, null, servers.toArray(),
                    servers.get(0));
            if (selectedServer != null) {
                String[] params = selectedServer.split(":");
                if (params.length == 3) {
                    this.txtServer.setText(params[1]);
                    this.txtPort.setText(params[2]);
                } else {
                    JOptionPane.showMessageDialog(null, "Wrong server data format.");
                }
            }

            in.close();
        } catch (Exception ex) {
            logger.error(ex, ex);
        } finally {
            if (in != null) try {
                in.close();
            } catch (Exception e) {
            }
        }
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jProxySettingsButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jProxySettingsButtonActionPerformed
        PreferencesDialog.main(new String[]{PreferencesDialog.OPEN_CONNECTION_TAB});
    }//GEN-LAST:event_jProxySettingsButtonActionPerformed


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btnCancel;
    private javax.swing.JButton btnConnect;
    private javax.swing.JCheckBox chkAutoConnect;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jProxySettingsButton;
    private javax.swing.JLabel lblPort;
    private javax.swing.JLabel lblServer;
    private javax.swing.JLabel lblStatus;
    private javax.swing.JLabel lblUserName;
    private javax.swing.JTextField txtPort;
    private javax.swing.JTextField txtServer;
    private javax.swing.JTextField txtUserName;
    // End of variables declaration//GEN-END:variables

}