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

namespace Mistox {
    public class ServerInterface {

        public static ServerEntity ServerInstance;                      // Server Data

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

        public ServerInterface( int port, string serverName ) {

            IPEndPoint listenerAddress = new IPEndPoint( IPAddress.Any, port );

            // Initilize the server
            ServerInstance = new ServerEntity(listenerAddress);
            ServerInstance.ServerName = serverName;

            // Setup the event handlers
            ServerInstance.onUserConnected += (ServerConnection connectedUser) => { onUserConnected?.Invoke(connectedUser); };
            ServerInstance.onDataReceived += (dynamic data) => { onDataReceived?.Invoke(data); };
            ServerInstance.onUserDisconnected += (ServerConnection disconnectedUser) => { onUserDisconnected?.Invoke(disconnectedUser); };
            
            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, ServerConnection> cur in ServerInstance.Connections ) {
                await cur.Value.Send(data);
            }
        }

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