/*
 *		FONDERIE
 */

#include  <stdio.h>
#include  <string.h>
#include  <stdlib.h>
#include  <unistd.h>
#include  <glob.h>
#include  <floatimg.h>

#include  "fonctions.h"
#include  "glitches.h"
#include  "crapulator.h"
#include  "filterstack.h"

int			verbosity;

/* -------------------------------------------------------------- */
int traite_une_image(FloatImg *image, int proc, int step, char *outd)
{
static int		numero;
int			foo;
char			ligne[200];

/* here, we put the picz in the fifo machinery */
foo = insert_picture(image);
if (foo) {
	fprintf(stderr, "%s: err %d on insert\n", __func__, foo);
	return foo;
	}
sprintf(ligne, "%s/%05d.png", outd, numero);
foo = export_fifo(ligne, proc, step);
if (foo) {
	fprintf(stderr, "%s: err %d on export\n", __func__, foo);
	return foo;
	}
numero++;			/* VERY IMPORTANT :) */
return 0;
}
/* -------------------------------------------------------------- */
int insert_blank(FloatImg *image, int nbre, int pproc,
						float fval, char *outd)
{
int		idx, foo;

fimg_clear(image);
for (idx=0; idx<nbre; idx++) {
	fimg_vdeg_a(image, fval);
	// brotche_rand48_b(image, drand48()*0.10, 1e5);
	if ((foo=traite_une_image(image, pproc, 1, outd))) {
		fprintf(stderr, "%s : err %d from 'traite_une_image'\n",
				__func__, foo);
		break;
		}
	printf("\t%c\r", "ABCDEF"[idx%6]);  fflush(stdout);
	}
puts("");

return 0;
}
/* -------------------------------------------------------------- */

int demarre_la_machine(char *pattern, char *outdir, int szfifo,
				int infx, int outfx, int step, int blk)
{
int			foo, idx, width, height;
glob_t			globbuf;
char			*cptr;
FloatImg		input;
double			fin;
float			maxvalue;
int			datas[3];

#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' -> '%s'  %d  eff:%d:%d)\n", __func__,
			pattern, outdir, szfifo, infx, outfx);
#endif

if (1 != step) fprintf(stderr, "\tstep is %d\n", step);

(void)fimg_timer_set(0);

memset(&globbuf, 0, sizeof(glob_t));
foo = glob(pattern, 0, NULL, &globbuf);
if (foo) {
	fprintf(stderr, "glob (%s) failure %d\n", pattern, foo);
	exit(1);
	}

fprintf(stderr, "glob '%s' -> %d, %d files found\n", pattern, foo,
					(int)globbuf.gl_pathc);

/*	get the size of the inputs images */
foo = fimg_fileinfos(globbuf.gl_pathv[0], datas);
width = datas[0];		height = datas[1];
fprintf(stderr, "first image size %dx%d\n", width, height);

fimg_create(&input, width, height, 3);

/* get the maximum value of the first pic */
foo = fimg_load_from_dump(globbuf.gl_pathv[0], &input);
if (foo) {
	fprintf(stderr, "%s: err %d loading %s\n",
				__func__, foo, globbuf.gl_pathv[0]);
	exit(1);
	}
maxvalue = fimg_get_maxvalue(&input);
fprintf(stderr, "first image maxvalue %f\n", maxvalue);

foo = create_fifo(szfifo, width, height, FIMG_TYPE_RGB);
fprintf(stderr, "init fifo (%d slots) --> %d\n", szfifo, foo);

/* XXX inject a few strange pics in the fifo */
insert_blank(&input, blk, outfx, maxvalue, outdir);

for (idx=0; idx<globbuf.gl_pathc; idx++) {
	cptr = globbuf.gl_pathv[idx];
	/* first step : read the current grabed picz from disk,
	   and put it in our private buffer */
	foo = fimg_load_from_dump(cptr, &input);
	if (foo) {
		fprintf(stderr, "load #%d from dump -> %d\n", idx, foo);
		continue;
		}

	/*		fscking input filter here 		*/
	if (infx) {
		foo = crapulator(&input, infx, maxvalue);
		}
	else	{
		foo = filterstack_run(0, &input, 0);
		}
	if (foo) {
		fprintf(stderr, "%s: input filter -> %d\n", __func__, foo);
		exit(1);
		}
	foo = traite_une_image(&input, outfx, step, outdir);
	if (foo) {
		fprintf(stderr, "traitement %s -> %d WTF?\n", cptr, foo);
		break;
		}
	fprintf(stderr, "\t%5d / %5d\r", idx, (int)globbuf.gl_pathc);
	}
fputs("\n", stderr);

insert_blank(&input, blk, outfx, maxvalue, outdir);

/*
 *		PLEASE, FLUSH THE FIFO !
 */

fin = fimg_timer_get(0);
if (idx) {
	fprintf(stderr, "\nelapsed %.2f seconds, %.2f s/pic\n", fin, fin/idx);
	}
else	{
	fprintf(stderr, "\nelapsed %.2f seconds\n", fin);
	}

return 8;		/* why 9 ? */
}
/* -------------------------------------------------------------- */
void help(void)
{
puts("\tFONDERIE\noptions:");

puts("\t-E\tinput:filter:chain");
puts("\t-F\toutput:filter:chain");
// puts("\t-g\tconvert to gray");
puts("\t-I\tinput glob pattern");
puts("\t-L\tlist available filters");
puts("\t-O\toutput directory");
puts("\t-T\tfifo size");
puts("\t-v\tincrease verbosity");

exit(0);
}
/* -------------------------------------------------------------- */
int main (int argc, char *argv[])
{
int		foo, opt;
int		fifosize = 10;
char		*in_pattern = "capture/?????.fimg";
char		*out_dir = "p8";
// OBSOLETE int		in_effect = 0;
// OBSOLETE int		out_effect = 0;
int		steps = 1;
int		blanks = 20;
char		*InFchain  = "0";
char		*OutFchain = "0";

fprintf(stderr, "%s\n\tcompiled %s, %s, pid %d\n",
			argv[0], __DATE__, __TIME__, getpid());
fimg_print_version(2);

while ((opt = getopt(argc, argv, "B:E:F:ghI:LO:s:T:vw:x:")) != -1) {
	switch(opt) {
		case 'E':	InFchain = optarg;		break;
		case 'F':	OutFchain = optarg;		break;
		case 'B':	blanks = atoi(optarg);
				break;
		case 'g':	// convert_to_gray = 1;
				break;
		case 'h':	help();	
				break;
		case 'I':	in_pattern = optarg;
				break;
		case 'L':
			list_crapulors("available filters");
			exit(0);
		case 'O':	out_dir = optarg;
				break;
		case 'T':	fifosize = atoi(optarg);
				break;
		case 'v':	verbosity++;
				break;
// OBSOLETE 		case 'w':	in_effect = atoi(optarg);
// OBSOLETE 				break;
// OBSOLETE 		case 'x':	out_effect = atoi(optarg);
// OBSOLETE 				break;
		case 's':	steps = atoi(optarg);
				break;
		}
	}

if (verbosity) {
	fprintf(stderr, "input glob        '%s'\n", in_pattern);
	fprintf(stderr, "output dir        '%s'\n", out_dir);
	}

foo = parse_filter_chain(0, InFchain);
if (foo) {
	fprintf(stderr, "err %d parsing '%s'\n", foo, InFchain);
	exit(1);
	}
foo = parse_filter_chain(1, OutFchain);
if (foo) {
	fprintf(stderr, "err %d parsing '%s'\n", foo, OutFchain);
	exit(1);
	}

foo = demarre_la_machine(in_pattern, out_dir, fifosize, 0,
					0, steps, blanks);
fprintf(stderr, "retour du big-run de la machine -> %d\n", foo);

return 0;
}
/* -------------------------------------------------------------- */