/**
 * Copyright (C) 2004-2011 Jive Software. All rights reserved.
 *
 * 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 org.jivesoftware.spark.decorator;

import org.jivesoftware.resource.SparkRes;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.spark.ChatManager;
import org.jivesoftware.spark.PresenceManager;
import org.jivesoftware.spark.SparkManager;
import org.jivesoftware.spark.component.tabbedPane.SparkTab;
import org.jivesoftware.spark.ui.ChatRoom;
import org.jivesoftware.spark.ui.SparkTabHandler;
import org.jivesoftware.spark.ui.rooms.ChatRoomImpl;
import org.jxmpp.jid.EntityBareJid;

import java.awt.Color;
import java.awt.Component;

import javax.swing.*;

/**
 */
public class DefaultTabHandler extends SparkTabHandler {
    public DefaultTabHandler() {
    }

    @Override
    public boolean isTabHandled(SparkTab tab, Component component, boolean isSelectedTab, boolean chatFrameFocused) {
        if (component instanceof ChatRoom) {
            ChatRoom room = (ChatRoom) component;
            ChatManager chatManager = SparkManager.getChatManager();
            boolean isStaleRoom = chatManager.isStaleRoom(room);
            boolean isTyping = chatManager.containsTypingNotification(room);
            // Check if is typing.
            if (isTyping) {
                tab.setIcon(SparkRes.getImageIcon(SparkRes.Icon.SMALL_MESSAGE_EDIT_IMAGE));
            } else if (room instanceof ChatRoomImpl && !isStaleRoom) {
                // User is not typing, therefore show default presence icon.
                if (SparkManager.getConnection().isConnected()) {
                    EntityBareJid participantJID = ((ChatRoomImpl) room).getParticipantJID();
                    Presence presence = PresenceManager.getPresence(participantJID);
                    Icon icon = PresenceManager.getIconFromPresence(presence);
                    tab.setIcon(icon);
                } else {
                    tab.setIcon(SparkRes.getImageIcon(SparkRes.Icon.CLEAR_BALL_ICON));
                }
            }

            int totalNumberOfUnreadMessages = chatManager.getChatContainer().getTotalNumberOfUnreadMessages();
            if (!chatFrameFocused || !isSelectedTab) {
                // Handle unread message count.
                int unreadMessageCount = room.getUnreadMessageCount();
                if (unreadMessageCount > 0) {
                    // Make tab red.
                    tab.setTitleColor((Color) UIManager.get("Chat.unreadMessageColor"));
                    tab.setTabBold(true);
                    tab.setShowUnreadMessageIcon(true, totalNumberOfUnreadMessages);
                    tab.setTabTitle(room.getTabTitle() + " (" + unreadMessageCount + ")");
                }
            }
                if (chatFrameFocused && isSelectedTab) {
                    tab.setTitleColor(Color.black);
                    // tab.setTabFont(tab.getDefaultFont());
                    tab.setTabTitle(room.getTabTitle());
                    // Clear unread message count.
                    room.clearUnreadMessageCount();
                    //handle other tabs with unread messages, still show the icon unread
                    tab.setShowUnreadMessageIcon(totalNumberOfUnreadMessages > 0, totalNumberOfUnreadMessages);
                }
                // Check if the room is stale.
                if (isStaleRoom && component instanceof ChatRoomImpl) {
                    decorateStaleTab(tab, room);
                } // Should only set the icon to default if the frame is in focus
                // and the tab is the selected component.
            }
         else {
            if (!chatFrameFocused || !isSelectedTab) {
                // Make tab red.
                tab.setTitleColor((Color) UIManager.get("Chat.unreadMessageColor"));
                tab.setTabBold(true);
            }
            if (isSelectedTab && chatFrameFocused) {
                tab.setTitleColor(Color.black);
                tab.setTabFont(tab.getDefaultFont());
            }
        }
        return true;
    }

}
