/*
 * Copyright 2004 - 2008 Christian Sprajc. All rights reserved.
 *
 * This file is part of PowerFolder.
 *
 * PowerFolder is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * PowerFolder is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with PowerFolder. If not, see <http://www.gnu.org/licenses/>.
 *
 * $Id: OnlineStorageSection.java 5495 2008-10-24 04:59:13Z harry $
 */
package de.dal33t.powerfolder.ui.status;

import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.IOException;

import javax.swing.JPanel;
import javax.swing.JProgressBar;

import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;

import de.dal33t.powerfolder.Controller;
import de.dal33t.powerfolder.ui.PFUIComponent;
import de.dal33t.powerfolder.ui.widget.LinkLabel;
import de.dal33t.powerfolder.util.BrowserLauncher;
import de.dal33t.powerfolder.util.Format;
import de.dal33t.powerfolder.util.Translation;

/**
 * Class to render the online storage info on the status tab.
 */
public class OnlineStorageSection extends PFUIComponent {

    private JPanel uiComponent;

    private JProgressBar usagePB;
    private LinkLabel usageLabel;

    /**
     * Constructor
     * 
     * @param controller
     */
    public OnlineStorageSection(Controller controller) {
        super(controller);
    }

    /**
     * Sets the trial info details, hiding if necessary.
     * 
     * @param totalStorage
     * @param spaceUsed
     */
    void setInfo(long totalStorage, long spaceUsed) {
        double percentageUsed = 0;
        if (totalStorage > 0) {
            percentageUsed = 100.0d * (double) spaceUsed
                / (double) totalStorage;
        }
        if (percentageUsed < 0.0d) {
            percentageUsed = 0.0d;
        }
        if (percentageUsed > 100.0d) {
            percentageUsed = 100.0d;
        }

        usagePB.setValue((int) percentageUsed);
        usagePB.setToolTipText(Format.formatBytesShort(spaceUsed) + " / "
            + Format.formatBytesShort(totalStorage));

        // Add own mouse listener to ensure always new URL. Set URL to null
        usageLabel.setTextAndURL(Translation.getTranslation(
            "status_tab.online_storage.usage",
            Format.formatBytesShort(spaceUsed), Format
                .formatDecimal(percentageUsed)), null);
        usageLabel.setToolTipText(Format.formatBytesShort(spaceUsed) + " / "
            + Format.formatBytesShort(totalStorage));

        boolean showOS = getController().getOSClient().isBackupByDefault();
        // Don't show if not using it
        usagePB.setVisible(showOS);
        usageLabel.getUIComponent().setVisible(showOS);
    }

    /**
     * Gets the ui component, building first if necessary.
     * 
     * @return
     */
    public JPanel getUIComponent() {
        if (uiComponent == null) {
            initComponents();
            buildUIComponent();
        }
        return uiComponent;
    }

    /**
     * Builds the uiComponent.
     */
    private void buildUIComponent() {
        FormLayout layout = new FormLayout("100dlu, pref:grow",
            "pref, 3dlu, pref");
        // prog usage trial
        PanelBuilder builder = new PanelBuilder(layout);
        CellConstraints cc = new CellConstraints();

        builder.add(usagePB, cc.xy(1, 1));
        builder.add(usageLabel.getUIComponent(), cc.xywh(1, 3, 2, 1));
        uiComponent = builder.getPanel();
    }

    /**
     * Initializes the components.
     */
    private void initComponents() {
        MouseAdapter loginMouseAdapter = new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                if (!getController().getOSClient().supportsWebLogin()) {
                    return;
                }
                try {
                    BrowserLauncher.openURL(getController().getOSClient()
                        .getLoginURLWithCredentials());
                } catch (IOException e1) {
                    logWarning(e1);
                }
            }
        };

        usagePB = new JProgressBar(0, 0, 100);
        usagePB.addMouseListener(loginMouseAdapter);
        usageLabel = new LinkLabel(getController(), "", "");
        // Add own mouse listener to ensure always new URL. Set URL to null
        usageLabel.getUIComponent().addMouseListener(loginMouseAdapter);
    }

}