package wizard;

import install.Main;
import java.awt.BorderLayout;
import java.awt.Rectangle;
import java.awt.Dimension;
import java.awt.Insets;
import java.net.URL;
import javax.swing.ButtonGroup;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextArea;
import javax.swing.border.EmptyBorder;
import javax.swing.border.EtchedBorder;

/**
 * The install type options panel for GetBIRCH.
 *
 * On this panel, the user can choose whether they wish to perform a default
 * or an advanced installation of BIRCH.
 *
 * This installation type options panel will only be displayed if the user
 * chooses to perform an installation instead of an update.
 **
 * @author Graham Alvare
 * @author Dale Hamel
 * @author Brian Fristensky
 */
public class InstallTypePanel extends WizardPanel {

    /**
     * This radio button is used in conjunction with 'advancedInstallButton'
     * for determining whether to perform an advanced or default installation
     * of BIRCH.
     *
     * If defaultInstallButton is selected,
     *      a default BIRCH installation will be performed
     * If advancedInstallButton is selected,
     *      an advanced BIRCH installation will be performed
     */
    private final JRadioButton defaultInstallButton = new JRadioButton("Default install (from network)", true);
    /**
     * This radio button is used in conjunction with 'defaultInstallButton'
     * for determining whether to perform an advanced or default installation
     * of BIRCH.
     *
     * If defaultInstallButton is selected,
     *      a default BIRCH installation will be performed
     * If advancedInstallButton is selected,
     *      an advanced BIRCH installation will be performed
     */
    private final JRadioButton advancedInstallButton = new JRadioButton("Advanced install", false);
    /**
     * The general installation parameters selected, if the user decides to
     * perform a default BIRCH installation.  This will change, if the user
     * modifies the advanced installation options!
     */
    JTextArea installStatusText = new JTextArea();
    /**
     * The serialization UID for the installation type panel.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Create a new install type selection panel
     **
     * @param wizard the installation wizard object to attach the panel to
     */
    public InstallTypePanel(BIRCHWizard wizard) {

        // copy function parameters to class variables
        ButtonGroup bgroup = null;
        JLabel iconLabel = new JLabel(new ImageIcon((URL) InstallTypePanel.class.getResource("dna.jpg")));
        JLabel barLabel = new JLabel("-------------------------------------------------------------------------");
        JLabel installSelectionLabel = new JLabel("Please choose default or advanced install type");
        JPanel contentPanel = new JPanel();

        // configure the two install type buttons
        bgroup = new ButtonGroup();
        bgroup.add(defaultInstallButton);
        bgroup.add(advancedInstallButton);

        // configure the bounds of the different labels on the screen
        barLabel.setBounds(new Rectangle(18, 197, 465, 26));
        installSelectionLabel.setBounds(new Rectangle(15, 15, 476, 27));
        defaultInstallButton.setBounds(new Rectangle(17, 57, 370, 17));
        advancedInstallButton.setBounds(new Rectangle(16, 220, 368, 17));

        // configure the installation type text area
        installStatusText.setBounds(new Rectangle(15, 75, 467, 114));
        installStatusText.setEditable(false);

        // configure the main content panel
        contentPanel.setLayout(null);
        contentPanel.setSize(new Dimension(512, 344));

        // add the components to the main content panel
        contentPanel.add(defaultInstallButton, null);
        contentPanel.add(advancedInstallButton, null);
        contentPanel.add(installSelectionLabel, null);
        contentPanel.add(installStatusText, null);
        contentPanel.add(barLabel, null);

        // further configure the main content panel
        contentPanel.setVisible(true);
        contentPanel.setBorder(new EmptyBorder(new Insets(10, 10, 10, 10)));

        // prepare the current panel for display
        setLayout(new java.awt.BorderLayout());
        iconLabel.setBorder(new EtchedBorder(EtchedBorder.RAISED));
        
        add(iconLabel, BorderLayout.WEST);
        add(contentPanel, BorderLayout.CENTER);

        if (Main.DISC_INSTALL) {
            defaultInstallButton.setText("Default install (from disc)");
        }

        // set the action listeners for the default vs. advanced install
        defaultInstallButton.addActionListener(wizard.changeNextToFinishAction);
        advancedInstallButton.addActionListener(wizard.changeFinishToNextAction);
    }

    /**
     * Determines whether this step is sufficient to complete the install wizard
     * Returns whether or not to display the "Finish" button for this step of
     * the installation (as opposed to the "Next" button)
     **
     * @return whether to complete the install process
     */
    public boolean isFinished() {
        return defaultInstallButton.isSelected();
    }

    /**
     * Returns whether an advanced installation should be performed, or a
     * default installation.
     **
     * @return true if an advanced install should be performed
     */
    public boolean isAdvancedInstall() {
        return advancedInstallButton.isSelected();
    }
}