#ifndef id8F5106DFABC14263ADF235C56E434207
#define id8F5106DFABC14263ADF235C56E434207

#include "primitivetypes.hpp"
#include "implem/compatibility.h"
#include "implem/vector.hpp"
#include "implem/helpers.hpp"
#include <cstddef>
#include <type_traits>
#include <iterator>

namespace dk {
	namespace implem {
		template <typename T>
		class HasMapDimensions {
			class yes { char m; };
			class nope { yes m[2]; };
			static yes deduce ( int a, int b = T::MapDimensions );
			static nope deduce ( ... );
		public:
			enum {
				result = (sizeof(yes) == sizeof(deduce(1)))
			};
		};

		template <std::size_t D, typename Device>
		typename std::enable_if<Device::MapDimensions == D, std::size_t>::type err_mismatching_dimension ( const Device* ) noexcept a_pure;

		template <std::size_t D, typename Device>
		typename std::enable_if<HasMapDimensions<Device>::result == false, std::size_t>::type err_mismatching_dimension ( const Device* ) noexcept a_pure;

		template <std::size_t D, typename Device>
		typename std::enable_if<Device::MapDimensions == D, Vector<CoordinateScalarType, D>>::type retrieve_map_size_from_device ( Device* parDevice );

		template <std::size_t D, typename Device>
		typename std::enable_if<HasMapDimensions<Device>::result == false, Vector<CoordinateScalarType, D>>::type retrieve_map_size_from_device ( Device* parDevice );
	} //namespace implem

	//Customization point - specialize to enable map size retrieval for Device
	template <std::size_t D, typename Device>
	typename Device::coords get_map_size_from_device ( const Device* parDevice );

	template <typename T, std::size_t D>
	class TileMapData {
	public:
		typedef Vector<CoordinateScalarType, D> coords;

		TileMapData ( void ) = delete;
		template <typename Device>
		explicit TileMapData ( Device& parDevice );
		//TODO: add an overload to initialize a TileMapData from a universal reference to std::istream
		~TileMapData ( void ) noexcept = default;

		bool streamHasDimensionInfo ( void ) const { return m_deviceHasDim; }
		void fetch ( std::vector<T>& parOut, const coords& parFrom, const coords& parTo );
		const coords& mapSize ( void ) const;

	private:
		std::istream m_stream;
		const coords m_mapSize;
		const bool m_deviceHasDim;
	};
} //namespace dk

#include "implem/tilemapdata.inl"

#endif