package com.ts3client.ui;

import com.ts3client.config.Bookmark;
import com.ts3client.config.Bookmarks;

import javax.swing.JCheckBoxMenuItem;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.KeyStroke;

/**
 * The main window's menu bar: Connections, Bookmarks, Self, Tools and Help.
 * Talks to {@link MainFrame} only through {@link Listener}; the away/commander
 * item states are pushed in by {@link #refresh}, mirroring how {@link MainToolbar}
 * is kept in sync.
 */
final class MainMenuBar extends JMenuBar {

    interface Listener {
        void onConnect();

        void onDisconnect();

        void onCloseTab();

        void onQuit();

        void onToggleMic();

        void onToggleSpeaker();

        /** The plain toggle carries no message; "Set away status…" is where messages are chosen. */
        void onAwayToggle(boolean away);

        void onAwayStatus();

        void onCommanderToggle(boolean commander);

        void onChangeNickname();

        void onShowIdentities();

        void onShowSettings();

        void onShowAbout();

        void onConnectBookmark(Bookmark bookmark);

        void onAddCurrentServerBookmark();

        void onManageBookmarks();
    }

    private final Bookmarks bookmarks;
    private final Listener listener;

    private JMenu bookmarksMenu;
    private JCheckBoxMenuItem awayItem;
    private JMenuItem awayStatusItem;
    private JCheckBoxMenuItem commanderItem;

    MainMenuBar(Bookmarks bookmarks, Listener listener) {
        this.bookmarks = bookmarks;
        this.listener = listener;

        JMenu connections = new JMenu("Connections");
        JMenuItem connect = new JMenuItem("Connect…", Icons.of("CONNECT"));
        connect.setAccelerator(KeyStroke.getKeyStroke("control S"));
        connect.addActionListener(e -> listener.onConnect());
        JMenuItem disconnect = new JMenuItem("Disconnect", Icons.of("DISCONNECT"));
        disconnect.addActionListener(e -> listener.onDisconnect());
        JMenuItem closeTab = new JMenuItem("Close tab", Icons.of("CLOSE_BUTTON"));
        closeTab.setAccelerator(KeyStroke.getKeyStroke("control W"));
        closeTab.addActionListener(e -> listener.onCloseTab());
        JMenuItem quit = new JMenuItem("Quit", Icons.of("QUIT"));
        quit.addActionListener(e -> listener.onQuit());
        connections.add(connect);
        connections.add(disconnect);
        connections.add(closeTab);
        connections.addSeparator();
        connections.add(quit);

        bookmarksMenu = new JMenu("Bookmarks");
        rebuildBookmarks();

        JMenu self = new JMenu("Self");
        JMenuItem mute = new JMenuItem("Toggle microphone", Icons.of("CAPTURE"));
        mute.addActionListener(e -> listener.onToggleMic());
        JMenuItem deaf = new JMenuItem("Toggle speakers", Icons.of("PLAYBACK"));
        deaf.addActionListener(e -> listener.onToggleSpeaker());
        awayItem = new JCheckBoxMenuItem("Away", Icons.of("AWAY"), false);
        awayItem.addActionListener(e -> listener.onAwayToggle(awayItem.isSelected()));
        awayStatusItem = new JMenuItem("Set away status…", Icons.of("EDIT"));
        awayStatusItem.addActionListener(e -> listener.onAwayStatus());
        commanderItem = new JCheckBoxMenuItem("Channel commander", Icons.of("CHANNEL_COMMANDER"), false);
        commanderItem.addActionListener(e -> listener.onCommanderToggle(commanderItem.isSelected()));
        JMenuItem nick = new JMenuItem("Change nickname…", Icons.of("CHANGE_NICKNAME"));
        nick.addActionListener(e -> listener.onChangeNickname());
        self.add(mute);
        self.add(deaf);
        self.addSeparator();
        self.add(awayItem);
        self.add(awayStatusItem);
        self.add(commanderItem);
        self.addSeparator();
        self.add(nick);

        JMenu tools = new JMenu("Tools");
        JMenuItem identitiesItem = new JMenuItem("Identities…", Icons.of("IDENTITY_MANAGER"));
        identitiesItem.addActionListener(e -> listener.onShowIdentities());
        JMenuItem options = new JMenuItem("Options…", Icons.of("SETTINGS"));
        options.addActionListener(e -> listener.onShowSettings());
        tools.add(identitiesItem);
        tools.addSeparator();
        tools.add(options);

        JMenu help = new JMenu("Help");
        JMenuItem about = new JMenuItem("About", Icons.of("ABOUT"));
        about.addActionListener(e -> listener.onShowAbout());
        help.add(about);

        add(connections);
        add(bookmarksMenu);
        add(self);
        add(tools);
        add(help);
    }

    /** Reflects the current tab's away/commander state on the menu items. */
    void refresh(boolean connected, boolean away, boolean commander) {
        awayItem.setEnabled(connected);
        awayStatusItem.setEnabled(connected);
        commanderItem.setEnabled(connected);
        awayItem.setSelected(away);
        commanderItem.setSelected(commander);
    }

    /** Re-lists the saved bookmarks; called after they change (add, remove, manage…). */
    void rebuildBookmarks() {
        bookmarksMenu.removeAll();
        for (Bookmark b : bookmarks.all()) {
            JMenuItem item = new JMenuItem(b.displayName(), Icons.of("SERVER_GREEN"));
            item.addActionListener(e -> listener.onConnectBookmark(b));
            bookmarksMenu.add(item);
        }
        if (!bookmarks.all().isEmpty()) bookmarksMenu.addSeparator();
        JMenuItem addCurrent = new JMenuItem("Add current server…", Icons.of("BOOKMARK_ADD"));
        addCurrent.addActionListener(e -> listener.onAddCurrentServerBookmark());
        JMenuItem manage = new JMenuItem("Manage bookmarks…", Icons.of("BOOKMARK_MANAGER"));
        manage.addActionListener(e -> listener.onManageBookmarks());
        bookmarksMenu.add(addCurrent);
        bookmarksMenu.add(manage);
    }
}