#ifndef CTA_CAR_INCLUDED
	#define CTA_CAR_INCLUDED

#include <bncs_script_helper.h>

#ifdef WIN32
	#ifdef DOEXPORT_SCRIPT
		#define EXPORT_SCRIPT __declspec(dllexport) 
	#else
		#define EXPORT_SCRIPT 
	#endif
#else 
	#define EXPORT_SCRIPT
#endif
 
class CTA_CAR : public bncs_script_helper
{
public:
	CTA_CAR( bncs_client_callback * parent, const char* path );
	virtual ~CTA_CAR();

	void buttonCallback( buttonNotify *b );
	int revertiveCallback( revertiveNotify * r );
	void databaseCallback( revertiveNotify * r );
	bncs_string parentCallback( parentNotify *p );
	void timerCallback( int );
	
private:
	bncs_string m_myParam;
	bncs_string m_instance;
	bncs_string bttn_name;

	int package_names_id;		// BNCS driver ID for CTA package names
	int package_xpts_id;		// BNCS driver ID for CTA Package contents (format xx,yy where xx is video, yy is audio)
	int video_id;				// BNCS driver ID for CTA video matrix 
	int audio_id;				// BNCS driver ID for CTA audio matrix
	int source_pkg_id;			// Holds the current active package number, or -1 for no selection
	int dest_pkg_id;			// Holds the current destination package number, or -1 for no selection
	int dest_btn;				// Holds the button number of the active destination, or 0 for no selection
	int first_video;			// Holds the destination id for the first video destination of CTA matrix
	int first_audio;			// Holds the destination id for the first audio destination of CTA matrix
	int video_tally[9];			// Holds the current video matrix source crosspoint data. Index 0 is unused, index 5 to 8 just in case get more CTA outputs.
	int audio_tally[9];			// Holds the current audio matrix source crosspoint data. Index 0 is unused.
	int take_count;				// Used by the take timeout processing
	int undo_video_source;		// Used by the UNDO process
	int undo_audio_source;
	int undo_video_dest;
	int undo_audio_dest;	

	bool take_enabled;			// Set true when the Take button is enabled 
	bool take_timer_active;		// Set true when the take timeout process is active.
	bool undo_enabled;			// Set true when Undo button is active
	bool video_selected;		// Set true when video level should be switched
	bool audio_selected;		// Set true when audio level should be switched

	// Local methods
	void extract_xpts(int pkg_id, int database, int *viddest, int *auddest);	// Extracts the audio and video crosspoint data for a package
	void clear_selections(void);	// Clear down all current selections
	void checkTake(void);			// See if Take should be enabled or disabled, action as appropriate
	void doTake(void);				// Action the Take button push
	void do_Undo(void);				// Action the Undo button push
	void clear_undo(void);			// Disable UNDO, clear data stores for undo
};


#endif // CTA_CAR_INCLUDED