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

int
checkIfFileExists (char *path)
{
	return access (path, F_OK);
}

int
detectOsType ()
{
	int exists = ERROR;
	for (int i = 0; i < ENUMSIZE && exists == ERROR; i++)
	{
		switch (i)
		{
			case dnf:
				if (checkIfFileExists ("/usr/bin/dnf") == 0)
				{
					exists = i;
				}
				break;

			case emerge:
				if (checkIfFileExists ("/usr/bin/emerge") == 0)
				{
					exists = i;
				}
				break;

			case pacman:
				if (checkIfFileExists ("/usr/bin/pacman") == 0)
				{
					exists = i;
				}
				break;

			case xbps:
				if (checkIfFileExists ("/usr/bin/xbps-install") == 0)
				{
					exists = i;
				}
				break;

			case zypper:
				if (checkIfFileExists ("/usr/bin/zypper") == 0)
				{
					exists = i;
				}
				break;

			case apt:
				if (checkIfFileExists ("/usr/bin/apt") == 0)
				{
					exists = i;
				}
				break;

			default:
				puts ("Unrecognized Package Manager");
		}
	}
	return exists;
}

char *
stringedArgument (int argc, char **argv)
{
	int numberOfTotalPackages = argc - 2;
	char *arg = (char *)calloc ((numberOfTotalPackages * 80), sizeof (char));

	for (int i = 2; i < argc; i++)
	{
		strcat (arg, argv[i]);
		strcat (arg, " ");
	}
	return arg;
}

void
commandProcessor (char *packages, char *initCommand)
{
	char *command = (char *)calloc (strlen (packages) + 80, sizeof (char));
	strcpy (command, initCommand);
	strcat (command, packages);
	system (command);
	free (command);
}