using System.Net;
using JetBrains.Annotations;
using Robust.Server.Console;
using Robust.Server.Player;

namespace Content.Server;

/// <summary>
///     Debug/example ConGroup controller implementation that gives any client connected through localhost every permission.
/// </summary>
[UsedImplicitly]
public sealed class LocalHostConGroup : IConGroupControllerImplementation, IPostInjectInit {
    public bool CanCommand(IPlayerSession session, string cmdName) {
        return IsLocal(session);
    }

    public bool CanViewVar(IPlayerSession session) {
        return IsLocal(session);
    }

    public bool CanAdminPlace(IPlayerSession session) {
        return IsLocal(session);
    }

    public bool CanScript(IPlayerSession session) {
        return IsLocal(session);
    }

    public bool CanAdminMenu(IPlayerSession session) {
        return IsLocal(session);
    }

    public bool CanAdminReloadPrototypes(IPlayerSession session) {
        return IsLocal(session);
    }

    private static bool IsLocal(IPlayerSession player) {
        var ep = player.ConnectedClient.RemoteEndPoint;
        var addr = ep.Address;
        if (addr.IsIPv4MappedToIPv6) {
            addr = addr.MapToIPv4();
        }

        return Equals(addr, IPAddress.Loopback) || Equals(addr, IPAddress.IPv6Loopback);
    }

    void IPostInjectInit.PostInject() {
        IoCManager.Resolve<IConGroupController>().Implementation = this;
    }
}