/*
 * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @author GeyserMC
 * @link https://github.com/GeyserMC/Geyser
 */

package org.geysermc.geyser.inventory.updater;

import org.cloudburstmc.protocol.bedrock.data.inventory.ContainerId;
import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
import org.cloudburstmc.protocol.bedrock.packet.InventoryContentPacket;
import org.cloudburstmc.protocol.bedrock.packet.InventorySlotPacket;
import org.geysermc.geyser.inventory.Inventory;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.inventory.InventoryTranslator;

import java.util.Arrays;

public class InventoryUpdater {
    public void updateInventory(InventoryTranslator<?> translator, GeyserSession session, Inventory inventory) {
        ItemData[] bedrockItems = new ItemData[36];
        for (int i = 0; i < 36; i++) {
            final int offset = i < 9 ? 27 : -9;
            bedrockItems[i] = inventory.getItem(translator.size + i + offset).getItemData(session);
        }
        InventoryContentPacket contentPacket = new InventoryContentPacket();
        contentPacket.setContainerId(ContainerId.INVENTORY);
        contentPacket.setContents(Arrays.asList(bedrockItems));
        session.sendUpstreamPacket(contentPacket);
    }

    public boolean updateSlot(InventoryTranslator<?> translator, GeyserSession session, Inventory inventory, int javaSlot) {
        if (javaSlot >= translator.size) {
            InventorySlotPacket slotPacket = new InventorySlotPacket();
            slotPacket.setContainerId(ContainerId.INVENTORY);
            slotPacket.setSlot(translator.javaSlotToBedrock(javaSlot));
            slotPacket.setItem(inventory.getItem(javaSlot).getItemData(session));
            session.sendUpstreamPacket(slotPacket);
            return true;
        }
        return false;
    }
}
