/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   Server.cpp                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: iherman- <iherman-@student.42malaga.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/05/06 17:19:12 by iherman-          #+#    #+#             */
/*   Updated: 2026/05/07 13:49:56 by iherman-         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "Server.hpp"

const int	Server::kConnectionQueueLimit = 10;

Server::Server() : 
	port_(PORT_DEFAULT),
	password_("")
{
	// std::cout << "Hello from server" << std::endl;
}

Server::Server(int port, const std::string& password) :
	port_(port),
	password_(password)
{
	if (port_ < 1 || port_ > 65535)
		throw std::runtime_error("Invalid port");
	
	if (password_.empty())
		throw std::runtime_error("Empty password");

	serverSocket_ = socket(AF_INET, SOCK_STREAM, 0);
	if (serverSocket_ < 0)
		throw std::runtime_error("Failed to create socket");

	struct sockaddr_in addr;
	std::memset(&addr, 0, sizeof(addr));

	addr.sin_family = AF_INET;
	addr.sin_port = htons(port_);
	addr.sin_addr.s_addr = INADDR_ANY;

	if (bind(serverSocket_, (struct sockaddr*)&addr, sizeof(addr)))
		throw std::runtime_error("Failed to bind");

	if (listen(serverSocket_, kConnectionQueueLimit))
		throw std::runtime_error("Failed to listen");

	std::cout << "Server port: " << port_
		<< "\nServer Password: " << password_
		<< std::endl;
}

Server::~Server()
{
	close(serverSocket_);
}

Server	&Server::operator=(const Server& other)
{
	if (this != &other)
	{
		port_ = other.port_;
		serverSocket_ = other.serverSocket_;
		password_ = other.password_;
	}

	return *this;
}

void	Server::run()
{
	const std::size_t	kBufferSize = 1024;
	char				buffer[kBufferSize] = {0};

	struct sockaddr_in	client_addr;
	socklen_t			client_addr_size = 0;
	int					clientSocket = accept(serverSocket_, (struct sockaddr*)&client_addr, &client_addr_size);

	std::size_t	recv_amount = 0;
	while (true)
	{
		recv_amount += recv(clientSocket, buffer, kBufferSize, 0);
		if (buffer[recv_amount - 1] == '\n')
			break ;
	}

	std::string to_send(buffer);
	to_send = "Server received: " + to_send;
	send(clientSocket, to_send.c_str(), to_send.size(), 0);
	close(clientSocket);
}