using System.Collections.Generic;
using UnityEngine;
using System;
using System.Net;
using System.Net.Sockets;

namespace NeonTea.Quakeball.Net.Endpoint {
    public class Server : AbstractEndpoint {
        public override UdpClient UdpClient {
            get { return InnerClient; }
        }

        private static uint ConnectionUUIDCounter;
        private Dictionary<uint, Connection> Connections = new Dictionary<uint, Connection>();
        private UdpClient InnerClient;

        public override void Start(string host, int port) {
            InnerClient = new UdpClient(port);

            Connection conn;
            try {
                conn = AddConnection(new IPEndPoint(FindAddress(host), port), uint.MaxValue);
            } catch (Exception e) {
                Debug.Log($"Failed to create initial connection: {e.ToString()}");
                Network.Singleton.Stop();
                return;
            }

            StartListen(conn);

            Debug.Log($"Server started at {host}:{port}!");
        }

        private Connection AddConnection(IPEndPoint endpoint, uint uuid = 0) {
            if (uuid == 0) {
                uuid = ConnectionUUIDCounter++;
            }
            Connection conn = new Connection(endpoint, uuid);
            Connections.Add(uuid, conn);
            return conn;
        }
    }
}