//OpenSCADA file: tprmtmpl.h
/***************************************************************************
 *   Copyright (C) 2005-2024 by Roman Savochenko, <roman@oscada.org>       *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; version 2 of the License.               *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef TPRMTMPL_H
#define TPRMTMPL_H

#include <string>
#include <vector>

#include "tconfig.h"
#include "tfunction.h"

using std::string;
using std::vector;

namespace OSCADA
{

//*************************************************
//* TPrmTempl                                     *
//*************************************************
class TPrmTmplLib;
class TValue;
class TVal;

class TPrmTempl: public TFunction, public TConfig
{
    public:
	//Data
	// Addition flags for IO
	enum IOTmplFlgs {
	    AttrRead	= 0x010,	//Attribute only for read
	    AttrFull	= 0x020,	//Attribute for full access
	    CfgConst	= 0x040,	//Configure as a constant
	    CfgLink	= 0x080,	//Configure as a link
	    LockAttr	= 0x100		//Lock attribute
					//!!!! Reserves up to 0x800 and 0x1000 is already used by TFunction::IO
	};

	// Object of implementations of the DAQ templates
	class Impl: public TValFunc
	{
	    public:
	    //Data
	    class SLnk {
		public:
		SLnk( const string &iaddr = "" ) : objOff(0), addr(iaddr), hops(0) { }
		int	objOff;
		string	addr, addrSpec;
		AutoHD<TVal> con;
		unsigned char hops;
	    };

	    //Methods
	    Impl( TCntrNode *iobj, const string &iname = "", bool blked = true );

	    int  lnkId( const string &nm );
	    bool lnkPresent( int num );
	    void lnkList( vector<int> &ls ) const;
	    virtual void lnkAdd( int num, const SLnk &l );
	    string lnkAddr( int num, bool spec = false ) const;
	    void lnkAddrSet( int num, const string &vl, bool spec = false );
	    virtual bool lnkInit( int num, bool toRecnt = false );
	    virtual bool lnkActive( int num );
	    virtual TVariant lnkInput( int num );
	    virtual bool lnkOutput( int num, const TVariant &vl );

	    void addLinksAttrs( TElem *attrsCntr = NULL );
	    bool initLnks( bool toRecnt = false );
	    virtual void cleanLnks( bool andFunc = false );
	    void inputLinks( );
	    void outputLinks( );
	    void archAttrs( TValue *vl );

	    virtual bool cntrCmdProc( XMLNode *opt, const string &pref = "/cfg" );

	    protected:
	    //Methods
	    virtual string lnkHelp( );

	    //Attributes
	    map<int,SLnk> lnks;

	    ResMtx	lnkRes;
	    TCntrNode	*obj;
	};

	//Methods
	TPrmTempl( const string &id, const string &name = "" );
	~TPrmTempl( );

	TCntrNode &operator=( const TCntrNode &node );

	string	id( )		{ return mId; }
	string	name( );
	string	descr( );
	string	stor( ) const;
	int	maxCalcTm( );
	string	progLang( );
	bool	progTr( )	{ return cfg("PR_TR"); }
	string	prog( );
	int64_t	timeStamp( )	{ return mTimeStamp; }

	void setName( const string &inm );
	void setDescr( const string &idsc );
	void setMaxCalcTm( int vl );
	void setProgLang( const string &ilng );
	void setProgTr( bool vl )	{ cfg("PR_TR") = vl; }
	void setProg( const string &iprg );
	void setStart( bool val );

	AutoHD<TFunction>	func( );	//Programming language attached function

	TPrmTmplLib &owner( ) const;

    protected:
	//Methods
	void load_( TConfig *cfg );
	void save_( );

	void postEnable( int flag );
	void postDisable( int flag );
	bool cfgChange( TCfg &co, const TVariant &pc );
	void cntrCmdProc( XMLNode *opt );       //Control interface command process

	TVariant objFuncCall( const string &id, vector<TVariant> &prms, const string &user_lang );

    private:
	//Methods
	const char *nodeName( ) const	{ return mId.getSd(); }

	//Attributes
	TCfg	&mId;
	int64_t	&mTimeStamp;
	string	work_prog;
};

//*************************************************
//* TPrmTmplLib                                   *
//*************************************************
class TDAQS;

class TPrmTmplLib : public TCntrNode, public TConfig
{
    public:
	TPrmTmplLib( const string &id, const string &name, const string &lib_db );
	~TPrmTmplLib( );

	TCntrNode &operator=( const TCntrNode &node );

	string	id( ) const			{ return mId; }
	string	name( );
	string	descr( );

	string	DB( bool qTop = false ) const	{ return storage(mDB, qTop); }
	string	tbl( ) const			{ return cfg("DB").getS().empty() ? ("tmplib_"+id()) : cfg("DB").getS(); }
	string	fullDB( bool qTop = false ) const{ return DB(qTop)+'.'+tbl(); }

	bool startStat( ) const	{ return runSt; }
	void start( bool val );

	void setName( const string &vl );
	void setDescr( const string &vl );
	void setDB( const string &vl, bool qTop = false ) { setStorage(mDB, vl, qTop); if(!qTop) modifG(); }
	void setFullDB( const string &vl );

	void list( vector<string> &ls ) const		{ chldList(m_ptmpl,ls); }
	bool present( const string &id ) const		{ return chldPresent(m_ptmpl,id); }
	AutoHD<TPrmTempl> at( const string &id ) const	{ return chldAt(m_ptmpl,id); }
	void add( const string &id, const string &name = "" );
	void del( const string &id, bool full_del = false )	{ chldDel(m_ptmpl,id, -1, full_del?NodeRemove:NodeNoFlg); }

	TDAQS &owner( ) const;

    protected:
	//Methods
	void cntrCmdProc( XMLNode *opt );	//Control interface command process

	void preDisable( int flag );
	void postDisable( int flag );
	bool cfgChange( TCfg &co, const TVariant &pc )	{ modif(); return true; }

	void load_( TConfig *cfg );
	void save_( );

	TVariant objFuncCall( const string &id, vector<TVariant> &prms, const string &user_lang );

    private:
	//Methods
	const char *nodeName( ) const	{ return mId.getSd(); }

	bool isStdStorAddr( ) const		{ return (tbl() == ("tmplib_"+id())); }	//????[v1.0] Remove

	//Attributes
	bool	runSt;
	int	m_ptmpl;
	TCfg	&mId;
	string	mDB;
};

}

#endif // TPRMTMPL_H