package com.ts3client.ui;

import com.ts3client.config.Settings;

import javax.swing.BorderFactory;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

/**
 * Options page for the contact list: whether friends and blocked clients are
 * coloured in the server tree, whose whispers get through (TeamSpeak's whisper
 * options), and the defaults a new contact starts with.
 */
final class ContactsPanel extends JPanel {

    private final Settings settings;
    private final JCheckBox colorContacts = new JCheckBox("Colour friends and blocked clients in the server tree");
    private final JComboBox<Settings.WhisperPolicy> whisperPolicy = new JComboBox<>(Settings.WhisperPolicy.values());

    ContactsPanel(Settings settings) {
        super(new BorderLayout());
        this.settings = settings;
        setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));

        JPanel p = new JPanel(new GridBagLayout());
        GridBagConstraints c = new GridBagConstraints();
        c.insets = new Insets(2, 2, 2, 2);
        c.anchor = GridBagConstraints.WEST;
        c.fill = GridBagConstraints.HORIZONTAL;
        c.gridx = 0;
        c.gridwidth = 2;

        c.gridy = 0;
        colorContacts.setSelected(settings.colorContacts);
        colorContacts.setToolTipText("Friends in green and blocked clients in red, as the TeamSpeak client shows them");
        p.add(colorContacts, c);

        c.gridy = 1;
        c.insets = new Insets(12, 2, 2, 2);
        p.add(new JLabel("Whispers: who is allowed to whisper to you"), c);
        c.gridy = 2;
        c.insets = new Insets(2, 2, 2, 2);
        whisperPolicy.setSelectedItem(settings.whisperPolicy);
        whisperPolicy.setRenderer(new DefaultListCellRenderer() {
            @Override
            public Component getListCellRendererComponent(JList<?> list, Object value, int index,
                                                          boolean selected, boolean focus) {
                super.getListCellRendererComponent(list, value, index, selected, focus);
                if (value instanceof Settings.WhisperPolicy) setText(((Settings.WhisperPolicy) value).label());
                return this;
            }
        });
        whisperPolicy.setToolTipText("<html>Use individual settings in contacts, else allow: a client not on your "
                + "contact list may whisper to you.<br>Use individual settings in contacts, else deny: only "
                + "contacts marked \"Allow whisper\" may.<br>Nobody: individual contact settings are ignored.</html>");
        p.add(whisperPolicy, c);

        c.gridy = 3;
        c.insets = new Insets(12, 2, 2, 2);
        c.fill = GridBagConstraints.NONE;
        JButton defaults = new JButton("Contact defaults…");
        defaults.setToolTipText("Configure default settings when adding a client to the Contact Manager");
        defaults.addActionListener(e -> {
            java.awt.Window owner = SwingUtilities.getWindowAncestor(this);
            new ContactDefaultsDialog(owner instanceof JDialog ? (JDialog) owner : null, settings).setVisible(true);
        });
        p.add(defaults, c);

        add(p, BorderLayout.NORTH);
    }

    /** Copies the page into the settings; the caller saves them. */
    void apply() {
        settings.colorContacts = colorContacts.isSelected();
        settings.whisperPolicy = (Settings.WhisperPolicy) whisperPolicy.getSelectedItem();
    }
}