{
  config,
  lib,
  namespace,
  ...
}:
let
  name = "coturn";
  cfg = config.${namespace}.services.${name};

  coturnConfig = lib.${namespace}.mkModule {
    inherit config name;
    serviceName = "${name}-synapse";
    description = "config";
    options = { };
    moduleConfig = {
      # Add ACME certificate configuration for TLS support
      # security.acme.certs."turn.mjallen.dev" = {
      #   group = "turnserver";
      #   dnsProvider = "cloudflare";
      #   credentialsFile = config.sops.templates."traefik.env".path;
      #   dnsPropagationCheck = true;
      # };

      services.coturn = rec {
        enable = true;
        no-cli = true;
        # Removed no-tcp-relay to enable TCP relay for better VoIP support
        min-port = 49000;
        max-port = 50000;
        use-auth-secret = true;
        static-auth-secret = "Lucifer008!";
        listening-port = cfg.port;
        realm = "turn.mjallen.dev";
        # Enable TLS support with ACME certificates
        # cert = "${config.security.acme.certs.${realm}.directory}/fullchain.pem";
        # pkey = "${config.security.acme.certs.${realm}.directory}/key.pem";
        extraConfig = ''
          # for debugging
          verbose

          # Add public IP address for NAT traversal
          external-ip=73.242.17.96

          # Allow localhost for testing
          allowed-peer-ip=127.0.0.0-127.255.255.255
          allowed-peer-ip=::1

          # ban private IP ranges - modified to allow local connections
          no-multicast-peers
          denied-peer-ip=0.0.0.0-0.255.255.255
          # Allow internal networks for testing
          # denied-peer-ip=10.0.0.0-10.255.255.255
          denied-peer-ip=100.64.0.0-100.127.255.255
          # Localhost now explicitly allowed above
          # denied-peer-ip=127.0.0.0-127.255.255.255
          denied-peer-ip=169.254.0.0-169.254.255.255
          denied-peer-ip=172.16.0.0-172.31.255.255
          denied-peer-ip=192.0.0.0-192.0.0.255
          denied-peer-ip=192.0.2.0-192.0.2.255
          denied-peer-ip=192.88.99.0-192.88.99.255
          # Allow local network
          # denied-peer-ip=192.168.0.0-192.168.255.255
          denied-peer-ip=198.18.0.0-198.19.255.255
          denied-peer-ip=198.51.100.0-198.51.100.255
          denied-peer-ip=203.0.113.0-203.0.113.255
          denied-peer-ip=240.0.0.0-255.255.255.255
          # Localhost now explicitly allowed above
          # denied-peer-ip=::1
          denied-peer-ip=64:ff9b::-64:ff9b::ffff:ffff
          denied-peer-ip=::ffff:0.0.0.0-::ffff:255.255.255.255
          denied-peer-ip=100::-100::ffff:ffff:ffff:ffff
          denied-peer-ip=2001::-2001:1ff:ffff:ffff:ffff:ffff:ffff:ffff
          denied-peer-ip=2002::-2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
          denied-peer-ip=fc00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
          denied-peer-ip=fe80::-febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff

          # Add better logging for debugging
          log-file=/var/log/turnserver.log
          syslog
        '';
      };
      networking.firewall = {
        # Open ports on all interfaces for better connectivity
        allowedUDPPortRanges = with config.services.coturn; [
          {
            from = min-port;
            to = max-port;
          }
        ];
        allowedUDPPorts = [
          3478 # STUN/TURN standard port
          5349 # STUN/TURN TLS port
        ];
        allowedTCPPorts = [
          3478 # STUN/TURN standard port
          5349 # STUN/TURN TLS port
        ];

        # Keep the specific interface rules too for backward compatibility
        interfaces.enp197s0 =
          let
            range = with config.services.coturn; [
              {
                from = min-port;
                to = max-port;
              }
            ];
          in
          {
            allowedUDPPortRanges = range;
            allowedUDPPorts = [
              3478
              5349
            ];
            allowedTCPPortRanges = [ ];
            allowedTCPPorts = [
              3478
              5349
            ];
          };
      };
    };
  };
in
{
  imports = [ coturnConfig ];
}