#ifndef UTILS_HPP
# define UTILS_HPP

# include <vector>
# include <map>
# include <string>
# include <sstream>
# include <cstdlib>		// atoi
# include <sys/stat.h>  // stat()
# include <cctype>		// tolower
# include <algorithm>	// transform
# include <cstdio>		// fflush

# define CR "\r"
# define LF "\n"
# define CRLF CR LF

enum http_method
{
	UNKNOWN = 0b0,
	GET = 1 << 0,
	POST = 1 << 1,
	DELETE = 1 << 2,
	ANY_METHODS = 0b11111111,
//	ALL_METHODS = 0b11111111,
	// i would prefer this...
};

struct	listen_socket
{
	int			fd;
	std::string	host;
	std::string	port;
};
bool	operator==(const listen_socket& lhs, int fd);
bool	operator==(int fd, const listen_socket& rhs);

std::vector<std::string>	split(std::string input, char delimiter);
std::vector<std::string>	split_trim(std::string input, std::string delim = "\n", char ctrim = '\0');
bool						isNumeric(std::string str);
bool						isNumeric_btw(int low, int high, std::string str);
std::string					itos(int n);
std::string					trim(std::string str, char del);
http_method					str_to_http_method(std::string &str);
std::string					http_methods_to_str(unsigned int methods);
int							path_is_valid(std::string path);
void						replace_all_substr(std::string &str, const std::string &ori_substr, const std::string &new_substr);
std::string					str_tolower(std::string str);
std::string					extract_line(std::string & str, size_t pos = 0, std::string delim = "\n");
std::string					get_line    (std::string   str, size_t pos = 0, std::string delim = "\n");
size_t						parse_http_headers (std::string headers, std::map<std::string, std::string> fields );
void						throw_test();
// debug
void	print_special(std::string str);

#endif