#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>

typedef struct _gemini_request {
	char request_content[1024];
	char hostname[256];
	char scheme[64];
	char path[1024];
	char answer_code[2];
	char answer_meta[2];
	char answer_content[8192];
} Request;

Request *examineRequest(const char *request_content)
{
	int i = 0, len = 0, len_req = strlen(request_content);
	Request *request = malloc(sizeof(Request));

	if (request == NULL)
		return NULL;

	memset(request, 0, sizeof(Request));

	strcpy(request->request_content, request_content);

	/* We are trying to determine the protocol */
	while (i <= len_req - 3)
		if (request_content[i] != ':' || request_content[i + 1] != '/' || request_content[i + 2] != '/')
		{
			i++;
			len++;
		}
		else
		{
			strncpy(request->scheme, request_content + i - len, len);
			break;
		}
	
	/* If no protocol found error */
	if (request->scheme[0] == 0)
	{
		free(request);
		return NULL;
	}

	/* We skip the :// */
	i += 3;
	len = 0;

	/* We try to determine hostname + port */
	while (i < len_req && request_content[i] != '/')
	{
		i++;
		len++;
	}

	strncpy(request->hostname, request_content + i - len, len);

	/* if no hostname error */
	if (request->hostname[0] == 0)
	{
		free(request);
		return NULL;
	}

	/* now fill path in request struct */
	strncpy(request->path, request_content + i, strlen(request_content) - i);

	/* if path is empty, so path is root */
	if(request->path[0] == 0)
		strcpy(request->path, "/");

	return request;
}

int main(void)
{
	Request *request = examineRequest("http://[5f1f:fgeg::1]");

	if (request == NULL)
	{
		printf("error during url parsing\n");
		return 1;
	}

	printf("Request : %s\nScheme : %s\nHostname : %s\n", request->request_content, request->scheme, request->hostname);

	free(request);

	return 0;
}