/*
 *		+-------------------------+
 *		|   S I N G L E P A S S   |
 *		+-------------------------+
 */

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

#include  "../floatimg.h"

#include  "crapulator.h"
#include  "filterstack.h"
#include  "single.h"

/* ----------------------------------------------------------- */

#define   FILTERS	0

int		verbosity;

/* ----------------------------------------------------------- */
int run_the_singlepass(char *globber, char *destdir, int fchain)
{
FloatImg	image = { 0 };
int		idx, foo;
glob_t		globbuf;
char		*fname;

#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' '%s' %d )\n", __func__,
				globber, destdir, fchain);
#endif

// filterstack_list(fchain, "Run the single pass");

foo = single_init(0, destdir, fchain);
if (foo) {
	fprintf(stderr, "erreur %d single_init\n", foo);
	return foo;
	}
// single_print_state("just after init", 0);

memset(&globbuf, 0, sizeof(glob_t));
foo = glob(globber, 0, NULL, &globbuf);
// fprintf(stderr, "globbing '%s' -> %d, %d files found\n",
//			globber, foo, (int)globbuf.gl_pathc);
switch (foo) {
	case GLOB_NOSPACE:
		fprintf(stderr, "%s: glob run out of memory\n", __func__);
		break;
	case GLOB_ABORTED:
		fprintf(stderr, "%s: glob read error\n", __func__);
		break;
	case GLOB_NOMATCH:
		fprintf(stderr, "%s: glob found no matches\n", __func__);
		break;
	}

if (0 == globbuf.gl_pathc) {
	fprintf(stderr, "%s: no file found, aborting\n", __func__);
	return -1;
	}

for (idx=0; idx<globbuf.gl_pathc; idx++) {

	fname = globbuf.gl_pathv[idx];		/* alias of filename */
	fprintf(stderr, "  %6d  %s\r", globbuf.gl_pathc-idx, fname);

	if (0==image.width && 0==image.height) {
		foo = fimg_create_from_dump(fname, &image);
		}
	else	{
		foo = fimg_load_from_dump(fname, &image);
		}
	if (foo) {
		fprintf(stderr, "get image -> %d\n", foo);
		return -1;
		}

	foo = filterstack_run(fchain, &image, 0);
	if (foo) {
		fprintf(stderr, "%s: filterstack run --> %d\n",
				__func__,                 foo);
		return foo;
		}

	foo = single_push_picture(&image);
	if (foo) {
		fprintf(stderr, "error %d on push_picture\n", foo);
		return foo;
		}
	}

fprintf(stderr, "\n");
single_print_state("end of run :)", 0);

fimg_destroy(&image);

return -1;
}
/* ----------------------------------------------------------- */
static void help(void)
{
puts("--- Single pass serial filter ---\nusage:");

puts("\t-F\tdefine:the:filter:chain");
puts("\t-g\tinput glob pattern");
puts("\t-L\tlist available filters");
puts("\t-O\t/output/directory");
// puts("\t-s\tdo single test");
puts("\t-v\tspit more messages");

exit(0);
}
/* ----------------------------------------------------------- */

int main(int argc, char *argv[])
{
int		foo, opt;
char		*filterchain =   "none";
char		*globbing    =   "./capture/?????.fimg";
char		*outdir      =   "./p8";
int		do_xper = 0;

fprintf(stderr, "*** %s : compiled %s %s\n", __FILE__,
                        __DATE__, __TIME__);
fimg_print_version(2);

while ((opt = getopt(argc, argv, "hF:g:LO:svx")) != -1) {
	switch (opt) {
		case 'h':	help();			break;

		case 'F':	filterchain = optarg;	break;
		case 'g':	globbing = optarg;	break;

		case 'L':
			list_crapulors("available filters");
			exit(0);

		case 'O':	outdir = optarg;	break;

		case 'v':	verbosity++;		break;

		case 'x':	do_xper = 1;		break;

		}

	}

foo = parse_filter_chain(FILTERS, filterchain);
if (foo) {
	fprintf(stderr, "err %d in parse_filter_chain\n", foo);
	exit(1);
	}

foo = run_the_singlepass(globbing, outdir, FILTERS);
fprintf(stderr, "\n\tRun the single pass --> %d\n", foo);

return 0;
}

/* ----------------------------------------------------------- */