using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Net;
using System.Threading.Tasks;
using Mistox.Server;

namespace Mistox {
    public class ServerInterface {

        public static MistoxServer ServerInstance;                                      // Server Data
        public static ServerListener Listener;                                          // Server Listener
        public static ConcurrentDictionary<string, TcpClientConnection> Connections;    // Server Connections

        public event Action<TcpClientConnection> onUserConnected;                       // User connected event handler
        public event Action<dynamic> onDataReceived;                                    // Data received event handler
        public event Action<TcpClientConnection> onUserDisconnected;                    // User disconnected event handler

        public ServerInterface( int port, string serverName ) {

            // Initilize the server
            ServerInstance = new MistoxServer() {
                ServerName = serverName,
                BindAddress = IPAddress.Any,
                Port = port,
                MaxClients = 10
            };
            Connections = new ConcurrentDictionary<string, TcpClientConnection>();

            // Setup the event handlers
            ServerInstance.onUserConnected += (TcpClientConnection connectedUser) => { onUserConnected?.Invoke(connectedUser); };
            ServerInstance.onDataReceived += (dynamic data) => { onDataReceived?.Invoke(data); };
            ServerInstance.onUserDisconnected += (TcpClientConnection disconnectedUser) => { onUserDisconnected?.Invoke(disconnectedUser); };

            // Start listening for connections and wire up the server
            Listener = new ServerListener();
            
            Console.WriteLine( "The Server is initilized and waiting for clients to connect at port : " + port );
        }

        public async Task SendAllClients<Packet>(Packet data) {
            foreach( KeyValuePair<string, TcpClientConnection> cur in Connections ) {
                await cur.Value.Connection.Send(data);
            }
        }

        public async Task SendClient<Packet>(string UserName, Packet data) {
            await Connections[UserName].Connection.Send( data );
        }
    }
}