/*
 * Copyright (c) 2017, Devin French <https://github.com/devinfrench>
 * 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.api.queries;

import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Objects;
import java.util.stream.Collectors;
import net.runelite.api.Client;
import net.runelite.api.Point;
import net.runelite.api.QueryResults;
import net.runelite.api.widgets.Widget;
import net.runelite.api.widgets.WidgetInfo;
import net.runelite.api.widgets.WidgetItem;

public class InventoryWidgetItemQuery extends WidgetItemQuery
{
	private static final WidgetInfo[] INVENTORY_WIDGET_INFOS =
		{
			WidgetInfo.DEPOSIT_BOX_INVENTORY_ITEMS_CONTAINER,
			WidgetInfo.BANK_INVENTORY_ITEMS_CONTAINER,
			WidgetInfo.SHOP_INVENTORY_ITEMS_CONTAINER,
			WidgetInfo.GRAND_EXCHANGE_INVENTORY_ITEMS_CONTAINER,
			WidgetInfo.GUIDE_PRICES_INVENTORY_ITEMS_CONTAINER,
			WidgetInfo.EQUIPMENT_INVENTORY_ITEMS_CONTAINER,
			WidgetInfo.INVENTORY
		};

	@Override
	public QueryResults<WidgetItem> result(Client client)
	{
		Collection<WidgetItem> widgetItems = getInventoryItems(client);
		return new QueryResults<>(widgetItems.stream()
			.filter(Objects::nonNull)
			.filter(predicate)
			.collect(Collectors.toList()));
	}

	private Collection<WidgetItem> getInventoryItems(Client client)
	{
		Collection<WidgetItem> widgetItems = new ArrayList<>();
		for (WidgetInfo widgetInfo : INVENTORY_WIDGET_INFOS)
		{
			Widget inventory = client.getWidget(widgetInfo);
			if (inventory == null || inventory.isHidden())
			{
				continue;
			}
			if (widgetInfo == WidgetInfo.INVENTORY)
			{
				widgetItems.addAll(inventory.getWidgetItems());
				break;
			}
			else
			{
				Widget[] children = inventory.getDynamicChildren();
				for (int i = 0; i < children.length; i++)
				{
					Widget child = children[i];
					boolean isDragged = child.isWidgetItemDragged(child.getItemId());
					int dragOffsetX = 0;
					int dragOffsetY = 0;

					if (isDragged)
					{
						Point p = child.getWidgetItemDragOffsets();
						dragOffsetX = p.getX();
						dragOffsetY = p.getY();
					}
					// set bounds to same size as default inventory
					Rectangle bounds = child.getBounds();
					bounds.setBounds(bounds.x - 1, bounds.y - 1, 32, 32);
					Rectangle dragBounds = child.getBounds();
					dragBounds.setBounds(bounds.x + dragOffsetX, bounds.y + dragOffsetY, 32, 32);
					widgetItems.add(new WidgetItem(child.getItemId(), child.getItemQuantity(), i, bounds, child, dragBounds));
				}
				break;
			}
		}
		return widgetItems;
	}
}
