#ifndef __koor_c
#define __koor_c

#include "usr.h"
#include "koor.h"






void rwDBEntry( int pos, struct RADECKOOR * koor, char write )
{
	int ct,ect;
	unsigned char *ptr;
	
	ptr = (unsigned char *)koor;
	ct  = EEPROM_DBSTART + ( pos * sizeof(RADECKOOR) );
	ect = ct + sizeof( RADECKOOR );
	
	while( ct < ect ){
		if( write ){
			EEPROM_write( ct, ptr[0] );		
		}
		else {
			ptr[0] = EEPROM_read( ct );
		}	
		ct++;
		ptr++;
	}
}





void getInitEepromDatabase( struct RADECKOOR * koor ){
	int ct;

	if( ( EEPROM_read( EEPROM_INITADDR ) == EEPROM_INITIALIZER1 ) &&
		( EEPROM_read( EEPROM_INITADDR + 1 ) == EEPROM_INITIALIZER2 ) ){
		//ok, database is initialized.		
		return;
	}

	//not initialized,
	//we fill it complete with default koor, and a number for names.
	ct = 0;
	while( ct < DBMAXKOORS ){
	
		rwDBEntry( ct, (struct RADECKOOR *)koor, 1 );
		
		sprintf(koor->name,"%02d",ct + 1);
		ct++;
	}

	//now, at least whe write the initializers	
	
	EEPROM_write(EEPROM_INITADDR, EEPROM_INITIALIZER1);
	EEPROM_write(EEPROM_INITADDR + 1, EEPROM_INITIALIZER2);
}





int chooseDbKoor( int ipos, struct RADECKOOR * koor )
{
	RADECKOOR _koor;
	int pos,oldpos,mode,oldmode;
	unsigned char k;

	memcpy((void *)&_koor,( const void *)koor,sizeof( RADECKOOR ));
	
	pos     = ipos;
	oldpos  = ipos + 1;
	mode    = 0;
	oldmode = 1;
	
	LCDCls();
    while( ( k = readkey()) != KEY_ACK ){

		if( oldpos != pos ){
			oldpos  = pos;
			rwDBEntry( pos, (struct RADECKOOR *)&_koor, 0 );
			showRaDec( &_koor );	
		}
	
		if( oldmode != mode ){
			oldmode = mode;
		    LCDPos(0,0);
			LCDWriteP((char *)&row_usechange[mode][0]);			
		}

      	if( k == KEY_UP ){
			if( pos > 0 ){pos--;}
      	}

      	if( k == KEY_LEFT ){
			if( pos >= 5 ){pos = pos - 5;}
      	}

      	if( k == KEY_RIGHT ){
			if( pos < (DBMAXKOORS - 6 )){pos = pos + 5;}
      	}
      
	    if( k == KEY_DOWN ){
			if( pos < ( DBMAXKOORS - 1) ){ pos++;}
      	}

      	if( k == KEY_MENU_LEFT ){
			mode--;
			if( mode < 0 ){mode = 2;}
      	}

      	if( k == KEY_MENU_RIGHT ){
			mode++;
			if( mode > 2 ){mode = 0;}
      	}

	}


	if( mode == 0 ){
		memcpy((void *)koor,( const void *)&_koor,sizeof( RADECKOOR ));
		return(pos);
	}


	if( mode == 1 ){
		return( -1 );
	}


	if( setusrRaDec( &_koor ) ){

		if( usr_choose_yesno(0,0) ){
			//write to db
			rwDBEntry( pos, (struct RADECKOOR *)&_koor, 1 );
		}

		if( usr_choose_usecancel(0,0) ){
			memcpy((void *)koor,( const void *)&_koor,sizeof( RADECKOOR ));			
			return( pos );
		}


	}

	return( -1 );
}



#endif