#pragma once

#include <cinttypes>
#include <bit>
#include <memory>
#include <algorithm>
#include "assets/components/texture_components.hpp"

namespace assets
{

class texture_data
{
public:
	using value_type = std::uint8_t;
	using dim_type = std::int32_t;
	using size_type = std::make_signed_t<std::size_t>;
	using difference_type = size_type;
	using reference = value_type&;
	using const_reference = const value_type&;
	using pointer = std::uint8_t*;
	using const_pointer = const std::uint8_t*;
	using iterator = pointer;
	using const_iterator = const_pointer;

	texture_data() = default;

	inline texture_data(
		std::unique_ptr<value_type[]>&& data,
		dim_type width,
		dim_type height,
		texture_components::flags components
	);;

	inline texture_data(const texture_data&);

	inline texture_data(texture_data&&) noexcept;

	[[nodiscard]] inline texture_data& operator=(const texture_data&);

	[[nodiscard]] inline texture_data& operator=(texture_data&&) noexcept;

	[[nodiscard]] inline texture_components::flags components() const;

	[[nodiscard]] inline dim_type width() const;

	[[nodiscard]] inline dim_type height() const;

	[[nodiscard]] inline std::pair<dim_type, dim_type> dimensions() const;

	[[nodiscard]] inline size_type pixel_count() const;

	[[nodiscard]] inline size_type component_count() const;

	[[nodiscard]] inline size_type size() const;

	[[nodiscard]] inline const_iterator begin() const;

	[[nodiscard]] inline iterator begin();

	[[nodiscard]] inline const_iterator end() const;

	[[nodiscard]] inline iterator end();

	[[nodiscard]] inline const_iterator cbegin() const;

	[[nodiscard]] inline const_iterator cend() const;

	[[nodiscard]] inline const_pointer data() const;

	[[nodiscard]] inline pointer data();

	void inline clear();

private:
	std::unique_ptr<value_type[]> m_data{ nullptr };
	dim_type m_width{ 0 }, m_height{ 0 };
	texture_components::flags m_components{ texture_components::flags::none };
};

}

#define INCLUDE_DYNAMIC_TEXTURE_DATA_IMPLEMENTATION
#include "assets/data/texture_data.ipp"
#undef INCLUDE_DYNAMIC_TEXTURE_DATA_IMPLEMENTATION