/*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/

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

#include "boilerplate.h"
#include "solvedfile.h"
#include "an-bool.h"

const char* OPTIONS = "ho:e";

void printHelp(char* progname) {
	BOILERPLATE_HELP_HEADER(stderr);
	fprintf(stderr, "\nUsage: %s -o <output-file> <input-file> ...\n"
			"    [-e]: no error if file no found (assume empty)\n"
			"\n", progname);
}


int main(int argc, char** args) {
    int argchar;
	char* progname = args[0];
	char** inputfiles = NULL;
	int ninputfiles = 0;
	int i;
	char* outfile = NULL;
	int N;
	anbool* solved;
	int noerr = 0;

    while ((argchar = getopt (argc, args, OPTIONS)) != -1) {
		switch (argchar) {
		case 'o':
			outfile = optarg;
			break;
		case 'e':
			noerr = 1;
			break;
		case 'h':
		default:
			printHelp(progname);
			exit(-1);
		}
	}
	if (optind < argc) {
		ninputfiles = argc - optind;
		inputfiles = args + optind;
	} else {
		printHelp(progname);
		exit(-1);
	}

	N = 0;
	for (i=0; i<ninputfiles; i++) {
		int n = solvedfile_getsize(inputfiles[i]);
		if (n == -1) {
			if (!noerr) {
				fprintf(stderr, "Failed to get size of input file %s.\n", inputfiles[i]);
				exit(-1);
			}
		}
		if (n > N) N = n;
	}

	solved = calloc(N, sizeof(anbool));
	for (i=0; i<ninputfiles; i++) {
		il* slist;
		int j;
		slist = solvedfile_getall_solved(inputfiles[i], 1, N, 0);
		for (j=0; j<il_size(slist); j++)
			solved[il_get(slist, j) - 1] = TRUE;
		il_free(slist);
	}
	if (solvedfile_set_file(outfile, solved, N)) {
		fprintf(stderr, "Failed to set values in output file.\n");
		exit(-1);
	}

	free(solved);
	return 0;
}