#include <linux/limits.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>

void usage()
{
	printf("Usage: fkw <SUB_COMMAND> <FILE_PATH>\n");
}

void fwritef(FILE *fp, const char *format, ...)
{
	va_list args;
	va_start(args, format);
	vfprintf(fp, format, args);
	va_end(args);
}

int fkw_add(const char *path, const char* keyword)
{
	char *home = getenv("HOME");
	char file_path[PATH_MAX];

	strcpy(file_path, home);
	strcat(file_path, "/.fkw");

	printf("%s\n", file_path);
	
	FILE *fp = fopen(file_path, "a");
	if (!fp) {
		fprintf(stdout, "Cannot open file.\n");
		return -1;
	}


	fwritef(fp, "%s :: %s\n", path, keyword);

	fclose(fp);
	return 0;
}


int main(int argc, char **argv)
{

	if (argc < 2) {
		usage();
		return -1;
	}
	
	const char *subcmd = argv[1];
	if (strcmp(subcmd, "add") == 0) {
		if (argc < 3) {
			usage();
			return -1;
		}

		
		fkw_add(argv[2], argv[3]);
	}

	return 0;
}