/**
 * @file websh.c
 * @author Tobias Eidelpes <e01527193@student.tuwien.ac.at>
 * @date 2018-04-16
 *
 * @brief Formats program output for the web.
 */

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

#include <errno.h>
#include <signal.h>

static const char *pname;

static int eFlag = 0;
static int hFlag = 0;
static int sFlag = 0;

static const char *word;
static const char *tag;

volatile sig_atomic_t quit = 0;

static void handle_signal(int signal)
{
	quit = 1;
}

void usage(void)
{
	fprintf(stderr, "Usage: websh [-e] [-h] [-s WORD:TAG]\n");
	exit(EXIT_FAILURE);
}

void parsesArg(char *sArg)
{
	char *token;
	int i = 0;
	while ((token = strsep(&sArg, ":"))) {
		if (strcmp(token, "") == 0)
			usage();
		if (i == 2)
			usage();
		if (i == 0) {
			word = token;
		} else {
			tag = token;
		}
		i++;
	}
}

void parse(int argc, char *argv[])
{
	int optInd = 0;
	char *sArg;

	while ((optInd = getopt(argc, argv, "ehs:")) != -1) {
		switch (optInd) {
			case 'e':
				if (eFlag != 0) {
					usage();
				} else {
					eFlag = 1;
				}
				break;
			case 'h':
				if (hFlag != 0) {
					usage();
				} else {
					hFlag = 1;
				}
				break;
			case 's':
				if (sFlag != 0) {
					usage();
				} else {
					sFlag = 1;
					sArg = optarg;
					parsesArg(sArg);
				}
				break;
			case '?':
				usage();
			default:
				assert(0);
				
		}
	}
	
	pname = argv[0];
}

int main(int argc, char *argv[])
{
	parse(argc, argv);

	struct sigaction sa;
	memset(&sa, 0, sizeof(sa));
	sa.sa_handler = handle_signal;
	sigaction(SIGINT, &sa, NULL);
	sigaction(SIGTERM, &sa, NULL);


	
	return 0;
}