/*
 * config.c
 *
 *
 *
 * Copyright (C) 2002 - 2002 Benninghaus, Rottweil
 * EMail: el@eb-themen.de
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef _config_c
#define _config_c
#ifdef __cplusplus
extern "C" {
#endif


typedef struct configvalues {

	char devicefile[84];
	int  tcpport;
	int  snap;				/*0,1*/
	char snapdir[130];
	char snapprefix[84];
	long maxsnap;   		/*0 ...*/
	int  snapquality;       /*1-100*/
	int  snapsize;			/*0-4*/	
	int  savebuf;			/*0,1*/
	int  coltolerance;		/*0 - 255*/
	long calcstart;			/*1-255*/
	int  maxcalckoor;		/*1-100*/
	int  percentcorrect; 	/*0-100*/
	int  seeing;			/*0-19*/
	int  strategy;          /*0-2*/
	int  koortype;			/*0,1*/
	int  xraster;			/*1-20*/
	int  yraster;			/*1-20*/
	int  showcross;			/*0,1*/ 
	int  ecif;				/*0,1*/
	int  fifo;				/*0,1*/
	char fifofile[84];
	int	 view;				/*0,1*/
	int  control;			/*0,1*/
	long coverinterval;		/*0...*/
	int  test;				/*0,1*/
} configvalues;


configvalues cfg = { 
					"/dev/video",
					23500,
					0,
					"./",
					"img",
					0,
					100,
					0,
					0,
					10,10,10,100,1,
					0,
					1,
					6,6,
					0,
					0,
					0,
					"/tmp/elcam_fifoout",
					0,
					0,
					0,
					0
					};





void correctCfgValues( void ) {

	if(cfg.calcstart < 1){
		cfg.calcstart = 1;
	}
	if(cfg.calcstart > 255 ){
		cfg.calcstart = 255;
	}

	if(cfg.maxcalckoor < 1){
		cfg.maxcalckoor = 1;
	}
	if(cfg.maxcalckoor > 100){
		cfg.maxcalckoor = 100;
	}
		
	if(cfg.coltolerance < 0){
		cfg.coltolerance = 0;
	}
	if(cfg.coltolerance > 255){
		cfg.coltolerance = 255;
	}

	if(cfg.percentcorrect < 0){
		cfg.percentcorrect = 0;
	}
	if(cfg.percentcorrect > 100){
		cfg.percentcorrect = 100;
	}


	if(cfg.seeing < 0 ){
		cfg.seeing = 0;
	}
	if(cfg.seeing > 19 ){
		cfg.seeing = 19;
	}

	if(cfg.strategy > 2 ){
		cfg.strategy = 2;
	}	
	if(cfg.strategy < 0 ){
		cfg.strategy = 0;
	}

	if(cfg.koortype > 1 ){
		cfg.koortype = 1;
	}	
	if(cfg.koortype < 0 ){
		cfg.koortype = 0;
	}

	if(cfg.xraster > 20 ){
		cfg.xraster = 20;
	}	
	if(cfg.xraster < 1 ){
		cfg.xraster = 1;
	}

	if(cfg.yraster > 20 ){
		cfg.yraster = 20;
	}	
	if(cfg.yraster < 1 ){
		cfg.yraster = 1;
	}

	if(cfg.showcross > 1 ){
		cfg.showcross = 1;
	}	
	if(cfg.showcross < 0 ){
		cfg.showcross = 0;
	}

	if(cfg.maxsnap < 0 ){
		cfg.maxsnap = 0;
	}

	if(cfg.snapquality > 100 ){
		cfg.snapquality = 100;
	}	
	if(cfg.snapquality < 1 ){
		cfg.snapquality = 1;
	}

	if(cfg.snapsize > 4 ){
		cfg.snapsize = 4;
	}	
	if(cfg.snapsize < 0 ){
		cfg.snapsize = 0;
	}


	if(cfg.tcpport <= 0 ){
		cfg.tcpport = 23500;
	}

	if(cfg.ecif > 1 ){
		cfg.ecif = 1;
	}	
	if(cfg.ecif < 0 ){
		cfg.ecif = 0;
	}

	if(cfg.control > 1 ){
		cfg.control = 1;
	}	
	if(cfg.control < 0 ){
		cfg.control = 0;
	}

	if(cfg.coverinterval < 0 ){
		cfg.coverinterval = 0;
	}

	if(! cfg.fifo ){
		cfg.control = 0;
	}
}



void help( void ) {

	fprintf( stdout,"\n\n");
#ifdef VIEW
	fprintf( stdout,"elcamw (co.) E.Benninghaus, Rottweil, Germany\n");
	fprintf( stdout,"usage: elcamw -options\n");
#else
	fprintf( stdout,"elcam (co.) E.Benninghaus, Rottweil, Germany\n");
	fprintf( stdout,"usage: elcam -options\n\n");
#endif	
	fprintf( stdout,"-d (file)    device for videodev, default /dev/video\n");
	fprintf( stdout,"-i (nr)      portnumber for tcpserver, default 23500\n");	
	fprintf( stdout,"-sp          snapping of pictures on\n");
	fprintf( stdout,"-spdir (dir) directory, where pictues will be stored, default ./\n");
	fprintf( stdout,"-spfil (fil) prefix for autom. numbered images, default img\n");
	fprintf( stdout,"-spmax (nr)  maximal number of pictures to snap, 0 no limit\n");
	fprintf( stdout,"-spq (1-100) quality / compression for snapped jpeg\n");
	fprintf( stdout,"-sps  (0- 4) 0=160x120,1=176x144,2=320x240,3=352x288,4=640x480\n");				
#ifdef VIEW	
	fprintf( stdout,"-real        realview on at startup\n");
#endif
	fprintf( stdout,"-c (0-255)   add. tolerance of brightness\n");
	fprintf( stdout,"-u (1-255)   pictures get before start of test\n");
	fprintf( stdout,"-m (1-100)   max. koordinates to test (only spread)\n");
	fprintf( stdout,"-p (0-100)   percent of correct koordinates (spread,cover)\n");
	fprintf( stdout,"-s (0- 19)   seeing in pixel, where 0 is best\n");
	fprintf( stdout,"-iv(0....)   nr of pict. till reloop ( only cover ), 0 means off\n");
	
	fprintf( stdout,"-spot        strategy spot   (planets, stars), ( default)\n");
	fprintf( stdout,"-spread      strategy spread (sensitive configurable)\n");
	fprintf( stdout,"-cover       strategy cover  (simple compare with matrix)\n");
	fprintf( stdout,"-cross       a cross is used for tested koors. ( default )\n");
	fprintf( stdout,"-rect        a rectangle is used for testing\n");	
	fprintf( stdout,"-x (1- 20)   raster x (spread, cover)\n");
	fprintf( stdout,"-y (1- 20)   raster y (spread, cover)\n");
#ifdef VIEW
	fprintf( stdout,"-showcross   view of koordinates is on at start. (spot,spread)\n");
	fprintf( stdout,"-view        view is on at startup\n");	
#endif
	fprintf( stdout,"-tcp         tcpserver is used\n");
	fprintf( stdout,"-fifo        fifoout is used\n");
	fprintf( stdout,"-f (file)    path/name of fifooutfile, default /tmp/elcam_fifoout\n");
	fprintf( stdout,"-ctrl        this enables the output of fifo, (default off)\n");
	fprintf( stdout,"-test        output to stdout, instead to fifo, (default off)\n");
	
	fprintf( stdout,"\n");
}




int parsecommandline(int argc, char * argv[])
{
	int arg;
	char *p;


	for (arg = 1; arg < argc;) {

		if(strcmp(argv[arg],"-h")==0){
			help();
			return(0);
		}

		if( ( strcmp(argv[arg],"-d")==0) && ( argv[arg + 1] != NULL) ) {
			if(strlen(argv[arg + 1]) > 82){
				fprintf(stderr,"len of string for devicefile exceeds max. 82 chars\n");
				return(0);
			}
			strcpy(cfg.devicefile,argv[arg + 1]);
			arg++;arg++;
			continue;
		}


		if( ( strcmp(argv[arg],"-i")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.tcpport  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( strcmp(argv[arg],"-sp")==0 ) {
			cfg.snap  = 1;
			arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-spdir")==0) && ( argv[arg + 1] != NULL) ) {
			if(strlen(argv[arg + 1]) > 128){
				fprintf(stderr,"len of string for snapdirectory exceeds max. 128 chars\n");
				return(0);
			}
			strcpy(cfg.snapdir,argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-spfil")==0) && ( argv[arg + 1] != NULL) ) {
			if(strlen(argv[arg + 1]) > 82){
				fprintf(stderr,"len of string for snapprefix exceeds max. 82 chars\n");
				return(0);
			}
			strcpy(cfg.snapprefix,argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-spmax")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.maxsnap  = atol(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-spq")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.snapquality  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-sps")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.snapsize  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

#ifdef VIEW
		if( strcmp(argv[arg],"-real")==0 ) {
			cfg.savebuf  = 1;
			arg++;
			continue;
		}
#endif
		if( ( strcmp(argv[arg],"-c")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.coltolerance  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-u")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.calcstart  = atol(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-m")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.maxcalckoor  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-p")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.percentcorrect  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-s")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.seeing  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( strcmp(argv[arg],"-spot")==0 ) {
			cfg.strategy  = 0;
			arg++;
			continue;
		}

		if( strcmp(argv[arg],"-spread")==0 ) {
			cfg.strategy  = 1;
			arg++;
			continue;
		}

		if( strcmp(argv[arg],"-cover")==0 ) {
			cfg.strategy  = 2;
			arg++;
			continue;
		}

		if( strcmp(argv[arg],"-cross")==0 ) {
			cfg.koortype  = 1;
			arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-iv")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.coverinterval  = atol(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( strcmp(argv[arg],"-rect")==0 ) {
			cfg.koortype  = 0;
			arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-x")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.xraster  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-y")==0) && ( argv[arg + 1] != NULL) ) {
			cfg.yraster  = atoi(argv[arg + 1]);
			arg++;arg++;
			continue;
		}


#ifdef VIEW

		if( strcmp(argv[arg],"-showcross")==0 ) {
			cfg.showcross  = 1;
			arg++;
			continue;
		}

		if( strcmp(argv[arg],"-view")==0 ) {
			cfg.view  = 1;
			arg++;
			continue;
		}

#endif

		if( strcmp(argv[arg],"-tcp")==0 ) {
			cfg.ecif  = 1;
			arg++;
			continue;
		}

		if( strcmp(argv[arg],"-fifo")==0 ) {
			cfg.fifo  = 1;
			arg++;
			continue;
		}

		if( ( strcmp(argv[arg],"-f")==0) && ( argv[arg + 1] != NULL) ) {
			if(strlen(argv[arg + 1]) > 82){
				fprintf(stderr,"len of string for fifooutfile exceeds max. 82 chars\n");
				return(0);
			}
			strcpy(cfg.fifofile,argv[arg + 1]);
			arg++;arg++;
			continue;
		}

		if( strcmp(argv[arg],"-ctrl")==0 ) {
			cfg.control  = 1;
			arg++;
			continue;
		}

		if( strcmp(argv[arg],"-test")==0 ) {
			cfg.test  = 1;
			arg++;
			continue;
		}


		arg++;
	}


	correctCfgValues();
	
	return(1);
}







#ifdef __cplusplus
}
#endif
#endif /*_config_c*/