use rand::random;
use std::io::{Read, Write};
use std::net::TcpStream;
use std::str::from_utf8;

fn main() {
    loop {
        match TcpStream::connect("localhost:3334") {
            Ok(mut stream) => {
                println!("Successfully connected to server in port 3334");

                // let msg = b"Hello!";
                let msg = &[random::<u8>(); 128];

                stream.write(msg).unwrap();
                println!("Sent Hello, awaiting reply...");

                let mut data = [0_u8; 128]; // using 128 byte buffer
                match stream.read(&mut data) {
                    Ok(_) => {
                        if &data == msg {
                            println!("Reply is ok!: {:?}", &msg);
                        } else {
                            let text = from_utf8(&data).unwrap();
                            println!("Unexpected reply: {text:?}");
                        };
                    }
                    Err(e) => {
                        println!("Failed to receive data: {e:?}");
                    }
                }
            }
            Err(e) => {
                println!("Failed to connect: {e:?}");
            }
        };
    }
    println!("Terminated.");
}