#include "global.h"
#include "Preference.h"
#include "IniFile.h"
#include "RageLog.h"
#include "LuaFunctions.h"
#include "LuaManager.h"
#include "MessageManager.h"
#include "SubscriptionManager.h"

static SubscriptionHandler<IPreference> m_Subscribers;

IPreference::IPreference( const CString& sName ):
	m_sName( sName )
{
	m_Subscribers.Subscribe( this );
}

IPreference::~IPreference()
{
	m_Subscribers.Unsubscribe( this );
}

IPreference *IPreference::GetPreferenceByName( const CString &sName )
{
	FOREACHS( IPreference*, *m_Subscribers.m_pSubscribers, p )
	{
		if( !(*p)->GetName().CompareNoCase( sName ) )
			return *p;
	}

	return NULL;
}

void IPreference::LoadAllDefaults()
{
	FOREACHS_CONST( IPreference*, *m_Subscribers.m_pSubscribers, p )
		(*p)->LoadDefault();
}

void IPreference::ReadAllPrefsFromIni( const IniFile &ini, const CString &sSection )
{
	FOREACHS_CONST( IPreference*, *m_Subscribers.m_pSubscribers, p )
		(*p)->ReadFrom( ini, sSection );
}

void IPreference::SavePrefsToIni( IniFile &ini )
{
	FOREACHS_CONST( IPreference*, *m_Subscribers.m_pSubscribers, p )
		(*p)->WriteTo( ini );
}

void IPreference::PushValue( lua_State *L ) const
{
	if( LOG )
		LOG->Trace( "The preference value \"%s\" is of a type not supported by Lua", m_sName.c_str() );

	lua_pushnil( L );
}

void IPreference::SetFromStack( lua_State *L )
{
	if( LOG )
		LOG->Trace( "The preference value \"%s\" is of a type not supported by Lua", m_sName.c_str() );

	lua_pop( L, 1 );
}
#define READFROM_AND_WRITETO( type ) \
	template<> CString PrefToString( const type &v ) \
	{ \
		return ::ToString( v ); \
	} \
	template<> void PrefFromString( const CString &s, type &v ) \
	{ \
		::FromString( s, v ); \
	} \
	template<> void PrefSetFromStack( lua_State *L, type &v ) \
	{ \
		LuaHelpers::PopStack( v, L ); \
	} \
	template<> void PrefPushValue( lua_State *L, const type &v ) \
	{ \
		LuaHelpers::PushStack( v, L ); \
	}

READFROM_AND_WRITETO( int )
READFROM_AND_WRITETO( float )
READFROM_AND_WRITETO( bool )
READFROM_AND_WRITETO( CString )

void IPreference::ReadFrom( const IniFile &ini, const CString &sSection )
{
	CString sVal;
	if( ini.GetValue( sSection, m_sName, sVal ) )
		FromString( sVal );
}

void IPreference::WriteTo( IniFile &ini ) const
{
	ini.SetValue( "Options", m_sName, ToString() );
}

void BroadcastPreferenceChanged( const CString& sPreferenceName )
{
	if( MESSAGEMAN )
		MESSAGEMAN->Broadcast( sPreferenceName+"Changed" );
}

/*
 * (c) 2001-2004 Chris Danford, Chris Gomez
 * All rights reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons to
 * whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
 * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
 * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
 * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */