#include "Webserv.hpp"

#define BUFSIZE 8192

void	Webserv::_request(Client *client)
{
	_read_request(client);
	if (g_last_signal)
		_handle_last_signal();	
}

void	Webserv::_read_request(Client *client)
{
	char	buf[BUFSIZE+1];
	ssize_t	ret;

	std::cerr << "recv()\n";
	ret = ::recv(client->fd, buf, BUFSIZE, 0);
	if (ret == -1)
	{
		std::perror("err recv()");
		std::cerr << "client ptr =" << client << "\n"; // DEBUG
		std::cerr << "client.fd =" << client->fd << "\n"; // DEBUG
		_close_client(client->fd);
		return ;
	}
	/*
	if (ret == BUFSIZE)
		// send error like "request too long" to client
	*/

	buf[ret] = '\0';
	client->raw_request.append(buf);
	client->parse_request();
//	_parse_request(client);

	_epoll_update(client->fd, EPOLLOUT, EPOLL_CTL_MOD, client);
}

// // http headers :
// // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers
// // https://www.ibm.com/docs/en/cics-ts/5.3?topic=protocol-http-requests
// // https://www.tutorialspoint.com/http/http_requests.htm
// void	Webserv::_parse_request(Client *client)
// {
// 	std::string							sub;
// 	std::vector<std::string>			list;
// 	size_t								pos;
// 
// 	pos = (client->raw_request).find("\r\n\r\n");
// 	sub = (client->raw_request).substr(0, pos);
// 	list = split(sub, '\n');
// 	// request_line
// 	_parse_request_line(client, *list.begin());
// 	list.erase(list.begin());
// 	// headers
// 	_parse_request_headers(client, list);
// 	//body- message
// 	client->request.insert( std::pair<std::string, std::string>("Body-Message", &client->raw_request[pos + 4]) );
// }
// 
// void	Webserv::_parse_request_line(Client *client, std::string rline)
// {
// 	std::vector<std::string>	sline;
// 	std::string					tmp;
// 
// 	sline = split(rline, ' ');
// 	if (sline.size() != 3)
// 	{
// 		std::cerr << "err _parse_request_line(): ";
// 		throw std::runtime_error("bad request-line header");
// 	}
// 	// method
// 	tmp = ::trim(sline[0], ' ');
// 	tmp = ::trim(tmp, '\r');
// 	client->request.insert( std::pair<std::string, std::string>("Method", tmp) );
// 	// TODO uri in request_line
// 	// https://www.rfc-editor.org/rfc/rfc7230#section-5.3
// 	// https://stackoverflow.com/questions/40311306/when-is-absoluteuri-used-from-the-http-request-specs
// 	tmp = ::trim(sline[1], ' ');
// 	tmp = ::trim(tmp, '\r');
// 	client->request.insert(
// 		std::pair<std::string, std::string>("Request-URI", tmp) );
// 	// http version
// 	tmp = ::trim(sline[2], ' ');
// 	tmp = ::trim(tmp, '\r');
// 	client->request.insert(
// 		std::pair<std::string, std::string>("HTTP-Version", tmp) );
// }
// 
// void	Webserv::_parse_request_headers(
// 	Client *client,
// 	std::vector<std::string> list )
// {
// 	std::string							key;
// 	std::string							val;
// 	std::vector<std::string>::iterator	it;
// 	size_t								pos;
// 
// 	for (it = list.begin(); it != list.end(); it++)
// 	{
// 		pos = (*it).find(':');
// 		key = (*it).substr( 0, pos );
// 		key = ::trim(key, ' ');
// 		key = ::trim(key, '\r');
// 		val = (*it).substr( pos + 1 );
// 		val = ::trim(val, ' ');
// 		val = ::trim(val, '\r');
// 		client->request.insert( std::pair<std::string, std::string>(key, val) );
// 	}
// }