#pragma once

#include "Common.h"
#include "Palette.h"

#include <array>

namespace Feather
{
	// A container that maps values from a local palette to a 
	template <typename T, uint MaxSize, uint MaxBits>
	struct PalettedContainer
	{
		//const Palette<T>& globalPalette;

        static constexpr size_t NUM_LONGS = Math::CeilDiv(MaxSize * MaxBits, bitsizeof(uint64));

        std::array<uint64, NUM_LONGS> data;

        // TODO: this could eventually be Palette<BlockState> to avoid double lookup
        // Palette of local indexs to indexs in the global palette
        IDMapper<int> palette;

        uint size = MaxSize;
        uint8 bits = MaxBits;

    public:
        PalettedContainer(uint size, uint8 bits) : size(size), bits(bits), data() {}

        inline void SetBits(uint8 nbits) { bits = nbits; }

        inline constexpr size_t GetNumLongs() { return NUM_LONGS; }
	};
}