#define _POSIX_C_SOURCE 2
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>

#include "zpm.h"

int main(int ac, char **av) {
	int rel;
	char name[256];
	char ver[256];
	int i;
	int found;
	int pname = 0;
	int pver = 0;
	int prel = 0;
	int printed = 0;
	int opt;
	int pdefault = 1;
	int eval = 0;

	while ((opt = getopt(ac, av, "nvrE")) != -1) {
		switch (opt) {
			case 'n': pdefault = 0; pname = 1; break;
			case 'v': pdefault = 0; pver = 1; break;
			case 'r': pdefault = 0; prel = 1; break;
			case 'E': eval = 1; break;
			default:
				  fprintf(stderr, "zpm parse [-nvrE] ...\n");
				  exit(EXIT_FAILURE);
				  break;
		}
	}

	pname = pname || pdefault;
	pver = pver || pdefault;
	prel = prel || pdefault;

	for (i=optind; i<ac; i++) {
		printed = 0;
		found = zpm_parse_package(av[i], name, ver, &rel);
		/* single quotes aren't allowed, so a simple single quote
		 * is sufficient for eval */
		if (found >= 1 && pname) {
			if (eval) {
				printf("name='%s'\n", name);
			} else {
				printf("%s", name);
				printed++;
			}
		}
		if (found >= 2 && pver) {
			if (eval) {
				printf("version='%s'\n", ver);
			} else {
				printf("%s%s", printed ? " " : "", ver);
				printed++;
			}
		}
		if (found >= 3 && prel) {
			if (eval) {
				printf("release='%d'\n", rel);
			} else {
				printf("%s%d", printed ? " " : "", rel);
				printed++;
			}
		}
		if (printed) {
			putchar('\n');
		}
		if (!found) {
			exit(EXIT_FAILURE);
		}
	}
	return 0;
}