/*
 * Copyright (c) 2014 tabletoptool.com team.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     rptools.com team - initial implementation
 *     tabletoptool.com team - further development
 */
package com.t3.client.ui;

import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.util.Set;

import javax.swing.JPanel;

import org.apache.commons.collections4.map.LinkedMap;

import com.t3.client.AppPreferences;
import com.t3.client.AppStyle;
import com.t3.client.TabletopTool;
import com.t3.language.I18N;
import com.t3.swing.SwingUtil;

@SuppressWarnings("serial")
public class ChatTypingNotification extends JPanel {
	/**
	 * This component is only made visible when there are notifications to be displayed. That means the first couple of
	 * IF statements in this method are redundant since paintComponent() will not be called unless the component is
	 * visible, and it will only be visible when there are notifications...
	 */
	@Override
	protected void paintComponent(Graphics g) {
//		System.out.println("Chat panel is painting itself...");
		if (AppPreferences.getTypingNotificationDuration() != 0) {
			LinkedMap<String, Long> chatTypers = TabletopTool.getFrame().getChatNotificationTimers().getChatTypers();
			if (chatTypers == null || chatTypers.isEmpty()) {
				return;
			}
			Boolean showBackground = AppPreferences.getChatNotificationShowBackground();
	
			Graphics2D statsG = (Graphics2D) g.create();
	
			Font boldFont = AppStyle.labelFont.deriveFont(Font.BOLD);
			Font font = AppStyle.labelFont;
			FontMetrics valueFM = g.getFontMetrics(font);
			FontMetrics keyFM = g.getFontMetrics(boldFont);
	
			int PADDING7 = 7;
			int PADDING3 = 3;
			int PADDING2 = 2;
	
			BufferedImage img = AppStyle.panelTexture;
			int rowHeight = Math.max(valueFM.getHeight(), keyFM.getHeight());
	
			setBorder(null);
			int width = AppStyle.miniMapBorder.getRightMargin() + AppStyle.miniMapBorder.getLeftMargin();
			int height = getHeight() - PADDING2 + AppStyle.miniMapBorder.getTopMargin() + AppStyle.miniMapBorder.getBottomMargin();
	
			statsG.setFont(font);
			SwingUtil.useAntiAliasing(statsG);
			Rectangle bounds = new Rectangle(
					AppStyle.miniMapBorder.getLeftMargin(),
					height - getHeight() - AppStyle.miniMapBorder.getTopMargin(),
					getWidth() - width,
					getHeight() - AppStyle.miniMapBorder.getBottomMargin() - AppStyle.miniMapBorder.getTopMargin() + PADDING2);
	
			int y = bounds.y + rowHeight;
			rowHeight = Math.max(rowHeight, AppStyle.chatImage.getHeight());
	
			setSize(getWidth(), ((chatTypers.size() * (PADDING3 + rowHeight)) + AppStyle.miniMapBorder.getTopMargin() + AppStyle.miniMapBorder.getBottomMargin()));
	
			if (showBackground) {
				g.drawImage(img, 0, 0, getWidth(), getHeight() + PADDING7, this);
				AppStyle.miniMapBorder.paintAround(statsG, bounds);
			}
			Rectangle rightRow = new Rectangle(
					AppStyle.miniMapBorder.getLeftMargin() + PADDING7,
					AppStyle.miniMapBorder.getTopMargin() + PADDING7,
					AppStyle.chatImage.getWidth(),
					AppStyle.chatImage.getHeight());
	
			Set<?> keySet = chatTypers.keySet();
			@SuppressWarnings("unchecked")
			Set<String> playerTimers = (Set<String>) keySet;
			Color c1=new Color(249, 241, 230, 140);
			Color c2=new Color(175, 163, 149);
			for (String playerNamer : playerTimers) {
				if (showBackground) {
					statsG.setColor(c1);
					statsG.fillRect(bounds.x + PADDING3, y - keyFM.getAscent(), (bounds.width - PADDING7 / 2) - PADDING3, rowHeight);
					statsG.setColor(c2);
					statsG.drawRect(bounds.x + PADDING3, y - keyFM.getAscent(), (bounds.width - PADDING7 / 2) - PADDING3, rowHeight);
				}
				g.drawImage(AppStyle.chatImage, bounds.x + 5, y - keyFM.getAscent(), (int) rightRow.getWidth(), (int) rightRow.getHeight(), this);
	
				// Values
				statsG.setColor(TabletopTool.getFrame().getChatTypingLabelColor());
				statsG.setFont(boldFont);
				statsG.drawString(I18N.getText("msg.commandPanel.liveTyping", playerNamer), bounds.x + AppStyle.chatImage.getWidth() + PADDING7 * 2, y + 5);
	
				y += PADDING2 + rowHeight;
			}
			if (showBackground) {
				AppStyle.shadowBorder.paintWithin(statsG, bounds);
			} else {
				setOpaque(false);
			}
		}
	}
}