use std::{
    io::{prelude::*, BufReader},
    net::{TcpListener, TcpStream},
};
use std::io::Lines;

fn main() {
    let listener = TcpListener::bind("127.0.0.1:7878").unwrap();

    for stream in listener.incoming() {
        let stream = stream.unwrap();

        handle_connection(stream);
    }
}

fn handle_connection(mut stream: TcpStream) {
    let mut stream2: TcpStream = stream.try_clone().unwrap();
    let buf_reader: BufReader<&mut TcpStream> = BufReader::new(&mut stream);
    let request: Lines<BufReader<&mut TcpStream>> = buf_reader.lines();

    println!("Request: {:#?}", request);

    for elem in request
    {
        let s = elem.unwrap();
        println!("{:?}", s);
        stream2.write(s.as_bytes()).unwrap();
        stream2.write_all(b"\n").unwrap();
    }
}