using System.Collections.Generic;
using MinecraftClient.Inventory;
using MinecraftClient.Inventory.ItemPalettes;
using MinecraftClient.Protocol.Handlers.StructuredComponents.Core;

namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._26_1;

public class ContainerComponent261(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry)
    : StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
{
    public List<Item?> Items { get; set; } = [];

    public override void Parse(Queue<byte> data)
    {
        var count = DataTypes.ReadNextVarInt(data);
        for (var i = 0; i < count; i++)
            Items.Add(DataTypes.ReadNextBool(data) ? DataTypes.ReadNextItemStackTemplate(data, ItemPalette) : null);
    }

    public override Queue<byte> Serialize()
    {
        var data = new List<byte>();
        data.AddRange(DataTypes.GetVarInt(Items.Count));
        foreach (var item in Items)
        {
            var hasItem = item is not null && !item.IsEmpty;
            data.AddRange(DataTypes.GetBool(hasItem));
            if (hasItem)
                data.AddRange(DataTypes.GetItemStackTemplate(item!, ItemPalette));
        }

        return new Queue<byte>(data);
    }
}