/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.cpp                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: aortigos <aortigos@student.42malaga.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/09/06 14:44:18 by aortigos          #+#    #+#             */
/*   Updated: 2025/09/08 14:23:48 by aortigos         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <iostream>
#include <fstream>

int	main(int argc, char **argv)
{
	std::string	filename;
	std::string	s1;
	std::string	s2;
	std::string	line;

	if (argc == 4)
	{
		filename = argv[1];
		s1 = argv[2];
		s2 = argv[3];
		line = "";
		
		std::ifstream infile(filename.c_str(), std::ifstream::in);
		if (!infile.is_open())
		{
			std::cout << "Ha ocurrido un error en el infile" << std::endl;
			return (1);
		}

		std::ofstream outfile((filename + ".replace").c_str());
		if(!outfile.is_open())
		{
			std::cout << "Hubo un error en el outfile" << std::endl;
			return (1);
		}

		while (std::getline(infile, line)) {
			size_t	pos = 0;
			while ((pos = line.find(s1, pos)) != std::string::npos)
			{
				line.erase(pos, s1.length());
				line.insert(pos, s2);
				pos += s2.length();
			}
			outfile << line << std::endl;
		}
		infile.close();
		outfile.close();
	} else {
		std::cout << "Uso: ./sed <filename> <s1> <s2>" << std::endl;
	}
	return (0);
}