/*
 * Copyright (c) 2017, honeyhoney <https://github.com/honeyhoney>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package net.runelite.client.plugins.experiencedrop;

import java.awt.Dimension;
import java.awt.Graphics2D;
import javax.inject.Inject;
import javax.inject.Singleton;
import net.runelite.api.Actor;
import net.runelite.api.Point;
import net.runelite.client.ui.overlay.Overlay;
import net.runelite.client.ui.overlay.OverlayPosition;
import net.runelite.client.ui.overlay.OverlayPriority;
import net.runelite.client.ui.overlay.OverlayUtil;

@Singleton
class XpDropOverlay extends Overlay
{
	private final XpDropPlugin plugin;
	private final XpDropConfig config;

	@Inject
	private XpDropOverlay(final XpDropPlugin plugin, final XpDropConfig config)
	{
		this.plugin = plugin;
		this.config = config;

		setPosition(OverlayPosition.DYNAMIC);
		setPriority(OverlayPriority.MED);
	}

	@Override
	public Dimension render(Graphics2D graphics)
	{
		if (config.showdamagedrops() != XpDropConfig.DamageMode.ABOVE_OPPONENT)
		{
			return null;
		}

		if (plugin.getTickShow() > 0)
		{
			final Actor opponent = plugin.getLastOpponent();
			if (opponent != null)
			{
				int offset = opponent.getLogicalHeight() + 50;
				String damageStr = String.valueOf(plugin.getDamage());
				Point textLocation = opponent.getCanvasTextLocation(graphics, damageStr, offset);

				if (textLocation != null && plugin.getDamage() != 0)
				{
					OverlayUtil.renderTextLocation(graphics, textLocation, damageStr, config.getDamageColor());
				}
			}
		}

		return null;
	}
}