/*
 * This file is part of Limbo.
 *
 * Copyright (C) 2022. LoohpJames <jamesloohp@gmail.com>
 * Copyright (C) 2022. Contributors
 *
 * 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 com.loohp.limbo.network.protocol.packets;

import com.loohp.limbo.inventory.ItemStack;
import com.loohp.limbo.registry.PacketRegistry;
import com.loohp.limbo.utils.DataTypeIO;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.List;

public class PacketPlayOutWindowItems extends PacketOut {

    private final int containerId;
    private final int stateId;
    private final List<ItemStack> items;
    private final ItemStack carriedItem;

    public PacketPlayOutWindowItems(int containerId, int stateId, List<ItemStack> items, ItemStack carriedItem) {
        this.containerId = containerId;
        this.stateId = stateId;
        this.items = items;
        this.carriedItem = carriedItem;
    }

    public int getContainerId() {
        return containerId;
    }

    public int getStateId() {
        return stateId;
    }

    public List<ItemStack> getItems() {
        return items;
    }

    public ItemStack getCarriedItem() {
        return carriedItem;
    }

    @Override
    public byte[] serializePacket() throws IOException {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();

        DataOutputStream output = new DataOutputStream(buffer);
        output.writeByte(PacketRegistry.getPacketId(getClass()));

        output.writeByte(containerId);
        DataTypeIO.writeVarInt(output, stateId);
        DataTypeIO.writeVarInt(output, items.size());
        for (ItemStack itemStack : items) {
            DataTypeIO.writeItemStack(output, itemStack);
        }
        DataTypeIO.writeItemStack(output, carriedItem);

        return buffer.toByteArray();
    }
}
