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/*
 * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Copyright @ 2015 Atlassian Pty Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.java.sip.communicator.plugin.otr.authdialog;

import java.awt.*;

import javax.swing.*;
import javax.swing.plaf.basic.*;

import net.java.sip.communicator.plugin.desktoputil.*;
import net.java.sip.communicator.plugin.otr.*;
import net.java.sip.communicator.service.protocol.*;


/**
 * The dialog that pops up when SMP negotiation starts.
 * It contains a progress bar that indicates the status of the SMP
 * authentication process.
 * 
 * @author Marin Dzhigarov
 */
@SuppressWarnings("serial")
public class SmpProgressDialog
    extends SIPCommDialog
{
    private final JProgressBar progressBar = new JProgressBar(0, 100);

    private final Color successColor = new Color(86, 140, 2);

    private final Color failColor = new Color(204, 0, 0);

    private final JLabel iconLabel = new JLabel();

    /**
     * Instantiates SmpProgressDialog.
     * 
     * @param contact The contact that this dialog is associated with.
     */
    public SmpProgressDialog(Contact contact)
    {
        setTitle(
            OtrActivator.resourceService.getI18NString(
                "plugin.otr.smpprogressdialog.TITLE"));

        JPanel mainPanel = new TransparentPanel();
        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
        mainPanel.setBorder(
            BorderFactory.createEmptyBorder(10, 10, 10, 10));
        mainPanel.setPreferredSize(new Dimension(300, 70));

        String authFromText =
            String.format(
                OtrActivator.resourceService
                    .getI18NString(
                        "plugin.otr.authbuddydialog.AUTHENTICATION_FROM",
                        new String[] {contact.getDisplayName()}));

        JPanel labelsPanel = new TransparentPanel();
        labelsPanel.setLayout(new BoxLayout(labelsPanel, BoxLayout.X_AXIS));

        labelsPanel.add(iconLabel);
        labelsPanel.add(Box.createRigidArea(new Dimension(5,0)));
        labelsPanel.add(new JLabel(authFromText));

        mainPanel.add(labelsPanel);
        mainPanel.add(progressBar);

        init();

        this.getContentPane().add(mainPanel);
        this.pack();
    }

    /**
     * Initializes the progress bar and sets it's progression to 1/3.
     */
    public void init()
    {
        progressBar.setUI(new BasicProgressBarUI() {
            private Rectangle r = new Rectangle();

            @Override
            protected void paintIndeterminate(Graphics g, JComponent c) {
                Graphics2D g2d = (Graphics2D) g;
                g2d.setRenderingHint(
                    RenderingHints.KEY_ANTIALIASING,
                    RenderingHints.VALUE_ANTIALIAS_ON);
                r = getBox(r);
                g.setColor(progressBar.getForeground());
                g.fillOval(r.x, r.y, r.width, r.height);
            }
        });
        progressBar.setValue(33);
        progressBar.setForeground(successColor);
        progressBar.setStringPainted(false);
        iconLabel.setIcon(
            OtrActivator.resourceService.getImage(
                "plugin.otr.ENCRYPTED_UNVERIFIED_ICON_22x22"));
    }

    /**
     * Sets the progress bar to 2/3 of completion.
     */
    public void incrementProgress()
    {
        progressBar.setValue(66);
    }

    /**
     * Sets the progress bar to green.
     */
    public void setProgressSuccess()
    {
        progressBar.setValue(100);
        progressBar.setForeground(successColor);
        progressBar.setStringPainted(true);
        progressBar.setString(
            OtrActivator.resourceService
                .getI18NString(
                    "plugin.otr.smpprogressdialog.AUTHENTICATION_SUCCESS"));
        iconLabel.setIcon(
            OtrActivator.resourceService.getImage(
                "plugin.otr.ENCRYPTED_ICON_22x22"));
    }

    /**
     * Sets the progress bar to red.
     */
    public void setProgressFail()
    {
        progressBar.setValue(100);
        progressBar.setForeground(failColor);
        progressBar.setStringPainted(true);
        progressBar.setString(
            OtrActivator.resourceService
                .getI18NString(
                    "plugin.otr.smpprogressdialog.AUTHENTICATION_FAIL"));
    }
}