using System;
using System.Net;
using System.Threading.Tasks;
using Mistox.Client;

namespace Mistox {
    public class ClientInterface {

        public static MistoxClient serverInstance;

        public event Action onServerConnected;
        public event Action<mUDPClient> onUserConnected;
        public event Action<dynamic> onDataReceived;
        public event Action<mUDPClient> onUserDisconnected;
        public event Action onServerDisconnected;

        public ClientInterface( string UserName, string ConnectionKey, string IpOrHostName, int Port ) {

            // Get Server IP
            IPHostEntry host = Dns.GetHostEntry( IpOrHostName );
            IPEndPoint ServerDenstination = new IPEndPoint(0, 0);
            foreach( IPAddress entry in host.AddressList ) {
                if ( entry.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork ) {
                    ServerDenstination = new IPEndPoint( entry, Port );
                }
            }

            // Start and wire up the Mistox server client
            serverInstance = new MistoxClient( UserName, ConnectionKey, ServerDenstination );
            serverInstance.onServerConnected += onServerConnected;
            serverInstance.onUserConnected += (mUDPClient endpoint) => { onUserConnected?.Invoke(endpoint); };
            serverInstance.onDataReceived += (dynamic data) => { onDataReceived?.Invoke(data); };
            serverInstance.onUserDisconnected += (mUDPClient endpoint) => { onUserDisconnected?.Invoke(endpoint); };
            serverInstance.onServerDisconnected += onServerDisconnected;
        }

        public async Task SendAllClients<Packet>(Packet data) {
            foreach( mUDPClient cur in serverInstance.clientConnections.Values ){
                await cur.Send( data );
            }
        }

        public async Task SendClient<Packet>(string UserName, Packet data) {
            foreach( mUDPClient cur in serverInstance.clientConnections.Values ) {
                if (cur.UserName.ToLower() == UserName.ToLower()) {
                    await cur.Send( data );
                    break;
                }
            }
        }

        public async Task SendServer<Packet>(Packet data) {
            await serverInstance.ServerConnection.Send( data );
        }
    }
}