/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ConfigParser.hpp                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/07/11 23:01:41 by me                #+#    #+#             */
/*   Updated: 2022/08/03 17:32:33 by lperrey          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#ifndef CONFIGPARSER_HPP
# define CONFIGPARSER_HPP

# include "ServerConfig.hpp"
# include "LocationConfig.hpp"
# include "utils.hpp"

# include <map>
# include <vector>
# include <exception>		// exception, what
# include <stdexcept>		// runtime_error, invalid_argument
# include <string>			// string
# include <cstdlib>			// atoi (athough it's already cover by <string>)
# include <iostream>		// cout, cin
# include <fstream>			// ifstream
//# include <unistd.h>		// access()
# include <dirent.h>		// opendir(), doesn't work...
# include <sys/stat.h>		// stat(), replaces opendir() don't bother with ERRNO ?
# include <algorithm>		// sort() in Post

class ConfigParser {

public:

	// canonical

	ConfigParser(const char* path);	// a string?
	~ConfigParser();

	// ideally i wouldn't have one cuz it makes no sense, when would i use it?
//	ConfigParser & operator=(const ConfigParser& rhs);

//	void	parse();	// return void cuz throw exceptions.
	std::vector<ServerConfig> *	parse(); // const?
//	std::vector<ServerConfig>	parse(); // const?

	// other parses?

// i thought if it were an instance of this class you could call
// private member functions from anywhere...
	void	_print_content() const;


// I don't love that this is here but...
// doesn't work use the operator overload
//	bool	compareLocationConfigs(const LocationConfig &a, const LocationConfig &b);



private:
	std::string		_content;

	// explicit?
		// what exaclty does explicit do again?
	ConfigParser();	// might need a path as arg?
	// should this be in private since it always needs a path?


	ServerConfig	_parse_server(size_t *start);
	LocationConfig	_parse_location(size_t *start);


	void	_set_server_values(ServerConfig *server, const std::string key, std::string value);
	void	_set_location_values(LocationConfig *location, const std::string key, std::string value);


	std::string _pre_set_val_check(const std::string key, \
					const std::string value);

	std::string	_get_first_word(size_t *curr);	// const?
	std::string	_get_rest_of_line(size_t *curr);	// const?





	// some sort of post processing...

	void	_post_processing(std::vector<ServerConfig> *servers);

	bool	_find_root_path_location(std::vector<LocationConfig> locations); // const?


};


// no idea if it should go here...
//bool	compareLocationConfigs(const LocationConfig &a,
//			const LocationConfig &b);





// def needs work line a better name an do i even need this?
// should it be in Utils instead?
class MyException : public std::invalid_argument
{
	MyException(const std::string str)
	: std::invalid_argument(str) {}
};


#endif