/* Copyright 2015, Michele Santullo
 * This file is part of DoorKeeper.
 *
 * DoorKeeper is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DoorKeeper is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with DoorKeeper.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef id6FB3FC97331449038D42AAAB4C01ABA1
#define id6FB3FC97331449038D42AAAB4C01ABA1

#include "doorkeeper/components/layer.hpp"
#include "doorkeeper/components/exception.hpp"
#include "doorkeeper/implem/idmanager.hpp"
#include <vector>
#include <ciso646>
#include <memory>
#include <cstdint>
#include <boost/iterator/indirect_iterator.hpp>
#include <functional>

namespace dk {
	template <uint32_t D>
	class BaseMapSource;

	template <uint32_t D>
	class Tyler {
		typedef std::unique_ptr<LayerBase<D>> LayerPtr;
		typedef std::vector<LayerPtr> LayerList;
		typedef IDManager<7, 9> LayerObsIDManager;
	public:
		typedef typename LayerBase<D>::coords coords;
		typedef boost::indirect_iterator<typename LayerList::iterator> iterator;
		typedef boost::indirect_iterator<typename LayerList::const_iterator> const_iterator;
		typedef std::function<void(const LayerBase<D>&, bool) noexcept> layer_callback;
		typedef LayerObsIDManager::value_type LayerObsID;

		Tyler ( void );
		Tyler ( Tyler&& ) = default;
		~Tyler ( void ) noexcept = default;

		template <typename T>
		Layer<T, D>& push_layer ( BaseMapSource<D>* parTilemap, int parIndex );
		template <typename T>
		void push_layer_void ( BaseMapSource<D>* parTilemap, int parIndex );

		iterator begin ( void );
		const_iterator begin ( void ) const;
		iterator end ( void );
		const_iterator end ( void ) const;

		void preload ( const coords& parFrom, const coords& parTo );
		LayerObsID register_for_layeradd ( layer_callback parCallback );
		void unregister_for_layeradd ( LayerObsID parID );

	private:
		LayerObsIDManager m_layerobs_idmanager;
		LayerList m_layers;
		std::vector<layer_callback> m_layerobs_callbacks;
	};
} //namespace dk

#include "doorkeeper/implem/tyler.inl"

#endif