// Music Library
//
// Douglas Thrift
//
// $Id$

#ifndef _Music_hpp_
#define _Music_hpp_

#include <sqlite3.hpp>
#include <vector.hpp>

namespace Music
{

struct Artist;
struct Album;
struct Song;

class Library
{
	SQLite3::Connection connection;
	SQLite3::Statement artists, artistAlbums;
	SQLite3::Statement albumSongs;
	SQLite3::Statement songs;

public:
	Library();

	_L<Artist> GetArtists() const;
	_L<Album> GetAlbums() const;
	_L<Song> GetSongs() const;

	friend struct Artist;
	friend struct Album;
	friend struct Song;
};

class Artist
{
	const Library *library;
	int id;
	std::string name;

	inline Artist(const Library *library, int id, const std::string &name) : library(library), id(id), name(name) {}

public:
	inline int GetId() const
	{
		return id;
	}

	inline const std::string &GetName() const
	{
		return name;
	}

	_L<Album> GetAlbums() const;
	_L<Song> GetSongs() const;

	friend struct Library;
	friend struct Album;
	friend struct Song;
};

class Album
{
	const Library *library;
	int id;
	std::string name;
	int artist;
	int year;

	inline Album(const Library *library, int id, const std::string &name, int artist, int year) : library(library), id(id), name(name), artist(artist), year(year) {}

public:
	inline int GetId() const
	{
		return id;
	}

	inline const std::string &GetName() const
	{
		return name;
	}

	Artist GetArtist() const;

	inline int GetYear() const
	{
		return year;
	}

	_L<Song> GetSongs() const;

	friend struct Library;
	friend struct Artist;
	friend struct Song;
};

class Song
{
	const Library *library;
	int id;
	std::string name, path;
	int album, track;

	inline Song(const Library* library, int id, const std::string &name, const std::string &path, int album, int track) : id(id), name(name), path(path), album(album), track(track) {}

public:
	inline int GetId() const
	{
		return id;
	}

	inline const std::string &GetName() const
	{
		return name;
	}

	inline const std::string &GetPath() const
	{
		return path;
	}

	Artist GetArtist() const;
	Album GetAlbum() const;

	inline int GetTrack() const
	{
		return track;
	}

	friend struct Library;
	friend struct Artist;
	friend struct Album;
};

}

#endif//_Music_hpp_