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

#include "gemlib.h"

#define VERSION_MAJ 0
#define VERSION_MIN 1
#define VERSION_REV 0
#define NAME "gemcurl"

void printName (char *extra);
void printVersion (void);
void printLicence (void);
void printUsage (char *command);
void printHelp(void);

int main (int argc, char **argv)
{
	GEM_Request *request;

	if (argc < 2)
	{
		printUsage(argv[0]);

		return EXIT_FAILURE;
	}

	if (strcmp(argv[1], "-v") == 0 | strcmp(argv[1], "--version") == 0)
	{
		printName(NULL);
		printVersion();
		printLicence();

		return EXIT_SUCCESS;
	}

	if (strcmp(argv[1], "-h") == 0 | strcmp(argv[1], "--help") == 0)
	{
		printName("A dead simple Gemini client");
		printVersion();
		printf("\n");
		printUsage(argv[0]);
		printHelp();
		printf("\n");
		printLicence();

		return EXIT_SUCCESS;
	}

	if (strcmp(argv[1], "-g") == 0 | strcmp(argv[1], "--get") == 0)
	{
		if (argc < 3)
		{
			printUsage(argv[0]);

			return EXIT_FAILURE;
		}

		request = GEM_new_request(argv[2]);

#ifdef DEBUG
		GEM_print_request_info(request);
#endif

		if (GEM_send_request(request, stdout) != 0)
			return EXIT_FAILURE;

		GEM_free_request(request);

		return EXIT_SUCCESS;
	}

	printUsage(argv[0]);

	return EXIT_FAILURE;
}

void printName (char *extra)
{
	if (extra == NULL)
		printf("%s\n", NAME);
	else
		printf("%s : %s\n", NAME, extra);
}

void printVersion (void)
{
	if (VERSION_MIN == 0 && VERSION_REV == 0)
		printf("Version : %d\n", VERSION_MAJ);
	else if (VERSION_REV == 0)
		printf("Version : %d.%d\n", VERSION_MAJ, VERSION_MIN);
	else
		printf("Version : %d.%d.%d\n", VERSION_MAJ, VERSION_MIN, VERSION_REV);
}

void printLicence (void)
{
	printf("Written by Romain de Laage, Licence GPLv3\n");
}

void printUsage (char *command)
{
	if (command == NULL)
		printf("Usage : gemcurl CMD [URL]\n");
	else
		printf("Usage : %s CMD [URL]\n", command);
}

void printHelp (void)
{
	printf("CMD :\n\t-h | --help : Show this help\n\t-v | --version : Show version\n\t-g | --get : Get a gemini content, must be followed by the URL\n");
}