using Godot;
using System;

public class Net : Node {
    
    private PacketPeerUDP PacketPeer;
    private Client Client;
    private Server Server;

    private LineEdit IPAddressEdit;
    private LineEdit PortEdit;

    public bool IsClient { get { return Client != null; } }
    public bool IsServer { get { return Server != null; } }

    public override void _Ready() {
        PacketPeer = new PacketPeerUDP();
        var IPAddressNode = GetNode("IPAddress");
        var PortNode = GetNode("Port");
        if (IPAddressNode is LineEdit) {
            IPAddressEdit = (LineEdit) IPAddressNode;
        } if (PortNode is LineEdit) {
            PortEdit = (LineEdit) PortNode;
        }
    }

    public override void _Process(float delta) {
        if (IsServer) { Server.Update(delta); }
        if (IsClient) { Client.Update(delta); }
    }

    public override void _ExitTree() {
        if (IsServer) { Server.Free(); }
        if (IsClient) { Client.Free(); }
    }

    public void StartClient() {
        if (IsClient || IsServer) { return; }
        Client = new Client(PacketPeer);
        string address;
        int port;
        SetAddressAndPort(out address, out port, "localhost", 7070);
        Client.Initialize(address, port);
    }

    public void StartServer() {
        if (IsClient || IsServer) { return; }
        Server = new Server(PacketPeer);
        string address;
        int port;
        SetAddressAndPort(out address, out port, "*", 7070);
        Server.Initialize(address, port);
    }

    private void SetAddressAndPort(out string address, out int port, string defaultAddress, int defaultPort) {
        if (IPAddressEdit == null || IPAddressEdit.GetText() == "") {
            address = defaultAddress;
        } else {
            address = IPAddressEdit.GetText();
        }
        port = defaultPort;
        if (PortEdit != null && PortEdit.GetText() != "") {
            //port =  PortEdit.GetText();
            Int32.TryParse(PortEdit.GetText(), out port);
        }
    }
}