use std::collections::HashMap;
use std::error::Error;
use std::net::SocketAddr;
use std::sync::Arc;
use serde::Serialize;
use tokio::sync::mpsc::Sender;
use tokio::sync::RwLock;
use tungstenite::Message;
use protocol::State;

#[derive(Clone)]
pub struct ClientManager {
    pub handlers: Arc<RwLock<HashMap<SocketAddr, ClientHandler>>>,
    pub usernames: Arc<RwLock<HashMap<SocketAddr, String>>>
}

#[derive(Clone)]
pub struct ClientHandler {
    pub tx: Sender<ClientHandlerMessage>
}

pub enum ClientHandlerMessage {
    Tick,
    ChatMessage { from: String, message: String }
}