/*
** Copyright (c) 2014-2017, Eren Okka
**
** This Source Code Form is subject to the terms of the Mozilla Public
** License, v. 2.0. If a copy of the MPL was not distributed with this
** file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/

#pragma once

#include <vector>

#include "string.h"

namespace anitomy {

enum ElementCategory {
	kElementIterateFirst,
	kElementAnimeSeason = kElementIterateFirst,
	kElementAnimeSeasonPrefix,
	kElementAnimeTitle,
	kElementAnimeType,
	kElementAnimeYear,
	kElementAudioTerm,
	kElementDeviceCompatibility,
	kElementEpisodeNumber,
	kElementEpisodeNumberAlt,
	kElementEpisodePrefix,
	kElementEpisodeTitle,
	kElementFileChecksum,
	kElementFileExtension,
	kElementFileName,
	kElementLanguage,
	kElementOther,
	kElementReleaseGroup,
	kElementReleaseInformation,
	kElementReleaseVersion,
	kElementSource,
	kElementSubtitles,
	kElementVideoResolution,
	kElementVideoTerm,
	kElementVolumeNumber,
	kElementVolumePrefix,
	kElementIterateLast,
	kElementUnknown = kElementIterateLast
};

using element_pair_t = std::pair<ElementCategory, string_t>;
using element_container_t = std::vector<element_pair_t>;
using element_iterator_t = element_container_t::iterator;
using element_const_iterator_t = element_container_t::const_iterator;

class Elements {
	public:
		// Capacity
		bool empty() const;
		size_t size() const;

		// Iterators
		element_iterator_t begin();
		element_const_iterator_t begin() const;
		element_const_iterator_t cbegin() const;
		element_iterator_t end();
		element_const_iterator_t end() const;
		element_const_iterator_t cend() const;

		// Element access
		element_pair_t& at(size_t position);
		const element_pair_t& at(size_t position) const;

		// Value access
		string_t get(ElementCategory category) const;
		std::vector<string_t> get_all(ElementCategory category) const;

		// Modifiers
		void clear();
		void insert(ElementCategory category, const string_t& value);
		void erase(ElementCategory category);
		element_iterator_t erase(element_iterator_t iterator);
		void set(ElementCategory category, const string_t& value);
		string_t& operator[](ElementCategory category);

		// Lookup
		size_t count(ElementCategory category) const;
		bool empty(ElementCategory category) const;
		element_iterator_t find(ElementCategory category);
		element_const_iterator_t find(ElementCategory category) const;

	private:
		element_container_t elements_;
};

} // namespace anitomy