#include "FileIO.h"
#include "UDP_Write.h"

#include <vector>

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

#include <SDL_net.h>

static void usage (const char* argv0)
{
	fprintf (stderr, "Usage: %s [-f path] [-h] [-p port] [-s server]\n", argv0);
}

int
main (int argc, char** argv)
{
	int opt;
	int numsent;
	int mtu;
	int channel;
	const char* path;
	const char* server;
	Uint16 port;

	path = NULL;
	server = "localhost";
	port = 6666;
	channel = 1;
	mtu = 1450;
	numsent = 0;

	while ((opt = getopt (argc, argv, "hs:p:f:")) != -1)
	{
		switch (opt)
		{
			case 'h':
				usage (argv[0]);
				exit (EXIT_FAILURE);
				break;
			case 's':
				server = optarg;
				if (!strcmp (server, "NULL"))
					server = NULL;
				break;
			case 'p':
				port = strtol (optarg, NULL, 0);
				break;
			case 'f':
				path = optarg;
				break;
			default:
				break;
		}
	}

#if 0
	if (optind < argc) {
		printf("non-option ARGV-elements: ");
		while (optind < argc)
			printf("%s ", argv[optind++]);
		printf("\n");
	}
#endif

	if ((optind < argc) && (argv[optind][0] == '-'))
	{
		const size_t size = 8192;
		std::vector<char> buf (size);
		std::fill (buf.begin(), buf.end(), 0);
		size_t nread = fread (buf.data (), sizeof (char), size - 1, stdin);
		numsent = SendBuffer_UDP (server, port, channel, mtu, buf.data (), nread);
	}
	else
	{
		if (path)
		{
			numsent = SendFile_UDP (server, port, channel, mtu, path);
		}
	}

	SDL_Log ("%d", numsent);

	return 0;
}