//
//	MetaData.h
//
//	Static data for default metadata values as well as functions
//	to read and write metadata from the gamelist files.
//

#pragma once
#ifndef ES_APP_META_DATA_H
#define ES_APP_META_DATA_H

#include <map>
#include <vector>

namespace pugi { class xml_node; }

enum MetaDataType {
	// Generic types.
	MD_STRING,
	MD_INT,
	MD_FLOAT,
	MD_BOOL,

	// Specialized types.
	MD_MULTILINE_STRING,
	MD_LAUNCHSTRING,
	MD_PATH,
	MD_RATING,
	MD_DATE,
	MD_TIME // Used for lastplayed.
};

struct MetaDataDecl {
	std::string key;
	MetaDataType type;
	std::string defaultValue;
	 // If true, ignore values for this metadata.
	bool isStatistic;
	// Displayed as this in editors.
	std::string displayName;
	// Phrase displayed in editors when prompted to enter value (currently only for strings).
	std::string displayPrompt;
	// If set to false, the scraper will not overwrite this metadata.
	bool shouldScrape;
};

enum MetaDataListType {
	GAME_METADATA,
	FOLDER_METADATA
};

const std::vector<MetaDataDecl>& getMDDByType(MetaDataListType type);

class MetaDataList
{
public:
	static MetaDataList createFromXML(MetaDataListType type,
			pugi::xml_node& node, const std::string& relativeTo);
	void appendToXML(pugi::xml_node& parent, bool ignoreDefaults,
			const std::string& relativeTo) const;

	MetaDataList(MetaDataListType type);

	void set(const std::string& key, const std::string& value);

	const std::string& get(const std::string& key) const;
	int getInt(const std::string& key) const;
	float getFloat(const std::string& key) const;

	bool wasChanged() const;
	void resetChangedFlag();

	inline MetaDataListType getType() const { return mType; }
	inline const std::vector<MetaDataDecl>& getMDD() const { return getMDDByType(getType()); }
	inline const std::vector<MetaDataDecl>& getMDD(MetaDataListType type) const
			{ return getMDDByType(type); }

private:
	MetaDataListType mType;
	std::map<std::string, std::string> mMap;
	std::string mNoResult = "";
	bool mWasChanged;
};

#endif // ES_APP_META_DATA_H