/*
* Copyright 2011 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.
*/

/*
 * ConsolePanel.java
 *
 * Created on 14-May-2011, 6:08:48 PM
 */
package mage.server.console;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import javax.swing.SwingWorker;
import javax.swing.table.AbstractTableModel;
import mage.remote.Session;
import mage.view.TableView;
import mage.view.UserView;
import org.apache.log4j.Logger;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class ConsolePanel extends javax.swing.JPanel {

    private static final Logger logger = Logger.getLogger(ConsolePanel.class);

    private final TableUserModel tableUserModel;
    private final TableTableModel tableTableModel;
    private UpdateUsersTask updateUsersTask;
    private UpdateTablesTask updateTablesTask;

    /** Creates new form ConsolePanel */
    public ConsolePanel() {
        this.tableUserModel = new TableUserModel();
        this.tableTableModel = new TableTableModel();
        initComponents();
        this.tblUsers.createDefaultColumnsFromModel();
        this.tblTables.createDefaultColumnsFromModel();
    }

    public void update(List<UserView> users) {
        int row = this.tblUsers.getSelectedRow();
        tableUserModel.loadData(users);
        this.tblUsers.repaint();
        this.tblUsers.getSelectionModel().setSelectionInterval(row, row);
    }

    public void update(Collection<TableView> tables) {
        int row = this.tblTables.getSelectedRow();
        tableTableModel.loadData(tables);
        this.tblTables.repaint();
        this.tblTables.getSelectionModel().setSelectionInterval(row, row);
    }


    public void start() {
        updateUsersTask = new UpdateUsersTask(ConsoleFrame.getSession(), this);
        updateTablesTask = new UpdateTablesTask(ConsoleFrame.getSession(), ConsoleFrame.getSession().getMainRoomId(), this);
        updateUsersTask.execute();
        updateTablesTask.execute();
    }

    public void stop() {
        if (updateUsersTask != null && !updateUsersTask.isDone()) {
            updateUsersTask.cancel(true);
        }
        if (updateTablesTask != null && !updateTablesTask.isDone()) {
            updateTablesTask.cancel(true);
        }
    }

    /** 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() {

        jSplitPane1 = new javax.swing.JSplitPane();
        jPanel1 = new javax.swing.JPanel();
        jPanel3 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        tblUsers = new javax.swing.JTable();
        jPanel4 = new javax.swing.JPanel();
        btnDisconnect = new javax.swing.JButton();
        btnEndSession = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        jPanel5 = new javax.swing.JPanel();
        jScrollPane2 = new javax.swing.JScrollPane();
        tblTables = new javax.swing.JTable();
        jPanel6 = new javax.swing.JPanel();
        btnRemoveTable = new javax.swing.JButton();

        jSplitPane1.setDividerLocation(250);
        jSplitPane1.setResizeWeight(0.5);

        tblUsers.setModel(tableUserModel);
        jScrollPane1.setViewportView(tblUsers);

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 249, Short.MAX_VALUE)
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 358, Short.MAX_VALUE)
        );

        jPanel4.setVerifyInputWhenFocusTarget(false);

        btnDisconnect.setText("Disconnect");
        btnDisconnect.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnDisconnectActionPerformed(evt);
            }
        });

        btnEndSession.setText("End session");
        btnEndSession.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnEndSessionActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
        jPanel4.setLayout(jPanel4Layout);
        jPanel4Layout.setHorizontalGroup(
            jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel4Layout.createSequentialGroup()
                .addComponent(btnDisconnect, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(btnEndSession)
                .addContainerGap(8, Short.MAX_VALUE))
        );
        jPanel4Layout.setVerticalGroup(
            jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel4Layout.createSequentialGroup()
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(btnDisconnect)
                    .addComponent(btnEndSession))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addComponent(jPanel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGap(0, 0, 0)
                .addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, 33, javax.swing.GroupLayout.PREFERRED_SIZE))
        );

        jSplitPane1.setLeftComponent(jPanel1);

        tblTables.setModel(tableTableModel);
        jScrollPane2.setViewportView(tblTables);

        javax.swing.GroupLayout jPanel5Layout = new javax.swing.GroupLayout(jPanel5);
        jPanel5.setLayout(jPanel5Layout);
        jPanel5Layout.setHorizontalGroup(
            jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 306, Short.MAX_VALUE)
        );
        jPanel5Layout.setVerticalGroup(
            jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 356, Short.MAX_VALUE)
        );

        btnRemoveTable.setLabel("Remove Table");
        btnRemoveTable.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnRemoveTableActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel6Layout = new javax.swing.GroupLayout(jPanel6);
        jPanel6.setLayout(jPanel6Layout);
        jPanel6Layout.setHorizontalGroup(
            jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel6Layout.createSequentialGroup()
                .addComponent(btnRemoveTable)
                .addContainerGap(170, Short.MAX_VALUE))
        );
        jPanel6Layout.setVerticalGroup(
            jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel6Layout.createSequentialGroup()
                .addComponent(btnRemoveTable)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addComponent(jPanel6, javax.swing.GroupLayout.DEFAULT_SIZE, 301, Short.MAX_VALUE)
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()
                .addComponent(jPanel5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGap(0, 0, 0)
                .addComponent(jPanel6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
        );

        jSplitPane1.setRightComponent(jPanel2);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jSplitPane1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 562, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jSplitPane1, javax.swing.GroupLayout.Alignment.TRAILING)
        );
    }// </editor-fold>//GEN-END:initComponents

    private void btnDisconnectActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnDisconnectActionPerformed
        int row = this.tblUsers.getSelectedRow();
        ConsoleFrame.getSession().disconnectUser((String)tableUserModel.getValueAt(row, 3));
    }//GEN-LAST:event_btnDisconnectActionPerformed

    private void btnRemoveTableActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnRemoveTableActionPerformed
        int row = this.tblTables.getSelectedRow();
        ConsoleFrame.getSession().removeTable((UUID)tableTableModel.getValueAt(row, 7));
    }//GEN-LAST:event_btnRemoveTableActionPerformed

    private void btnEndSessionActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnEndSessionActionPerformed
        int row = this.tblUsers.getSelectedRow();
        ConsoleFrame.getSession().endUserSession((String) tableUserModel.getValueAt(row, 3));
    }//GEN-LAST:event_btnEndSessionActionPerformed

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btnDisconnect;
    private javax.swing.JButton btnEndSession;
    private javax.swing.JButton btnRemoveTable;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JPanel jPanel4;
    private javax.swing.JPanel jPanel5;
    private javax.swing.JPanel jPanel6;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JSplitPane jSplitPane1;
    private javax.swing.JTable tblTables;
    private javax.swing.JTable tblUsers;
    // End of variables declaration//GEN-END:variables
}

class TableUserModel extends AbstractTableModel {
    private final String[] columnNames = new String[]{"User Name", "Host", "Time Connected"};
    private UserView[] users = new UserView[0];
    private static final DateFormat formatter = new SimpleDateFormat("HH:mm:ss");

    public void loadData(List<UserView> users) {
        this.users = users.toArray(new UserView[0]);
        this.fireTableDataChanged();
    }

    @Override
    public int getRowCount() {
        return users.length;
    }

    @Override
    public int getColumnCount() {
        return columnNames.length;
    }

    @Override
    public Object getValueAt(int arg0, int arg1) {
        switch (arg1) {
            case 0:
                return users[arg0].getUserName();
            case 1:
                return users[arg0].getHost();
            case 2:
                return formatter.format(users[arg0].getConnectionTime());
            case 3:
                return users[arg0].getSessionId();
        }
        return "";
    }

    @Override
    public String getColumnName(int columnIndex) {
        String colName = "";

        if (columnIndex <= getColumnCount()) {
            colName = columnNames[columnIndex];
        }

        return colName;
    }

    @Override
    public Class getColumnClass(int columnIndex){
        return String.class;
    }

    @Override
    public boolean isCellEditable(int rowIndex, int columnIndex) {
        return false;
    }

}

class TableTableModel extends AbstractTableModel {
    private final String[] columnNames = new String[]{"Table Name", "Owner", "Game Type", "Deck Type", "Status"};
    private TableView[] tables = new TableView[0];


    public void loadData(Collection<TableView> tables) {
        this.tables = tables.toArray(new TableView[0]);
        this.fireTableDataChanged();
    }

    @Override
    public int getRowCount() {
        return tables.length;
    }

    @Override
    public int getColumnCount() {
        return columnNames.length;
    }

    @Override
    public Object getValueAt(int arg0, int arg1) {
        switch (arg1) {
            case 0:
                return tables[arg0].getTableName();
            case 1:
                return tables[arg0].getControllerName();
            case 2:
                return tables[arg0].getGameType();
            case 3:
                return tables[arg0].getDeckType();
            case 4:
                return tables[arg0].getTableState().toString();
            case 5:
                return tables[arg0].isTournament();
            case 6:
                if (!tables[arg0].getGames().isEmpty()) {
                    return tables[arg0].getGames().get(0);
        }
                return null;
            case 7:
                return tables[arg0].getTableId();
        }
        return "";
    }

    @Override
    public String getColumnName(int columnIndex) {
        String colName = "";

        if (columnIndex <= getColumnCount()) {
            colName = columnNames[columnIndex];
        }

        return colName;
    }

    @Override
    public Class getColumnClass(int columnIndex){
        return String.class;
    }

    @Override
    public boolean isCellEditable(int rowIndex, int columnIndex) {
        if (columnIndex != 5) {
            return false;
        }
        return true;
    }

}

class UpdateUsersTask extends SwingWorker<Void, List<UserView>> {

    private final Session session;
    private final ConsolePanel panel;
    private List<UserView> previousUsers;

    private static final Logger logger = Logger.getLogger(UpdateUsersTask.class);

    UpdateUsersTask(Session session, ConsolePanel panel) {
        this.session = session;
        this.panel = panel;
    }

    @Override
    protected Void doInBackground() throws Exception {
        while (!isCancelled()) {
            List<UserView> users = session.getUsers();
            if (previousUsers == null || checkUserListChanged(users)) {
                logger.debug("Need to update the user list");
                this.publish(users);
                previousUsers = users;
            }
            Thread.sleep(1000);
        }
        return null;
    }

    private boolean checkUserListChanged(List<UserView> usersToCheck) {
        if (previousUsers == null || usersToCheck == null) {
            return true;
        }
        if (previousUsers.size() != usersToCheck.size()) {
            // new user appeared
            return true;
        }
        for (UserView u1 : previousUsers) {
            boolean found = false;
            for (UserView u2 : usersToCheck) {
                if (u1.getUserName().equals(u2.getUserName())) {
                    found = true;
                    break;
                }
            }
            if (!found) {
                // some new user replaced old one
                return true;
            }
        }
        // seems nothing has been changed
        return false;
    }

    @Override
    protected void process(List<List<UserView>> view) {
        panel.update(view.get(0));
    }

    @Override
    protected void done() {
        try {
            get();
        } catch (InterruptedException ex) {
            logger.fatal("Update Users Task error", ex);
        } catch (ExecutionException ex) {
            logger.fatal("Update Users Task error", ex);
        } catch (CancellationException ex) {}
    }
}

class UpdateTablesTask extends SwingWorker<Void, Collection<TableView>> {

    private final Session session;
    private final UUID roomId;
    private final ConsolePanel panel;

    private static final Logger logger = Logger.getLogger(UpdateTablesTask.class);

    UpdateTablesTask(Session session, UUID roomId, ConsolePanel panel) {
        this.session = session;
        this.roomId = roomId;
        this.panel = panel;
    }

    @Override
    protected Void doInBackground() throws Exception {
        while (!isCancelled()) {
            this.publish(session.getTables(roomId));
            Thread.sleep(1000);
        }
        return null;
    }

    @Override
    protected void process(List<Collection<TableView>> view) {
        panel.update(view.get(0));
    }

    @Override
    protected void done() {
        try {
            get();
        } catch (InterruptedException ex) {
            logger.fatal("Update Tables Task error", ex);
        } catch (ExecutionException ex) {
            logger.fatal("Update Tables Task error", ex);
        } catch (CancellationException ex) {}
    }
}