// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
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//     this list of conditions and the following disclaimer.
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/// @file ass_style_storage.h
/// @see ass_style_storage.cpp
/// @ingroup style_editor
///

#include <libaegisub/fs_fwd.h>

#include <boost/filesystem/path.hpp>
#include <memory>
#include <string>
#include <vector>

class AssFile;
class AssStyle;

class AssStyleStorage {
	agi::fs::path file;
	std::vector<std::unique_ptr<AssStyle>> style;

public:
	~AssStyleStorage();

	typedef std::vector<std::unique_ptr<AssStyle>>::iterator iterator;
	typedef std::vector<std::unique_ptr<AssStyle>>::const_iterator const_iterator;
	iterator begin() { return style.begin(); }
	iterator end() { return style.end(); }
	const_iterator begin() const { return style.begin(); }
	const_iterator end() const { return style.end(); }
	void push_back(std::unique_ptr<AssStyle> new_style);
	AssStyle *back() { return style.back().get(); }
	AssStyle *operator[](size_t idx) const { return style[idx].get(); }
	size_t size() const { return style.size(); }
	void clear();

	/// Get the names of all styles in this storage
	std::vector<std::string> GetNames();

	/// Delete the style at the given index
	void Delete(int idx);

	/// Get the style with the given name
	/// @param name Case-insensitive style name
	/// @return Style or nullptr if the requested style is not found
	AssStyle *GetStyle(std::string const& name);

	/// Save stored styles to a file
	void Save() const;

	/// Load stored styles from a file
	/// @param filename Catalog filename. Does not have to exist.
	void Load(agi::fs::path const& filename);

	/// Load stored styles from a file in the default location
	/// @param catalogname Basename for the catalog file. Does not have to exist.
	void LoadCatalog(std::string const& catalogname);

	/// Make a list of all existing style catalogs in the default location
	static std::vector<std::string> GetCatalogs();

	/// Check whether the name catalog exists in the default location
	/// @param catalogname Basename for the catalog file to check for.
	static bool CatalogExists(std::string const& catalogname);

	/// Insert all styles into a file, replacing existing styles with the same names
	/// @param file File to replace styles in
	void ReplaceIntoFile(AssFile &file);
};