# irc.nix
{
  config,
  pkgs,
  ...
}: {
  services.ngircd = {
    enable = true;
    package = pkgs.ngircd.overrideAttrs (oldAttrs: {
      configureFlags = builtins.filter (f: f != "--with-pam") oldAttrs.configureFlags;
      buildInputs = builtins.filter (i: i != pkgs.pam) oldAttrs.buildInputs;
    });

    # This becomes ngircd.conf verbatim.
    config = ''
      [Global]
      Name = irc.local
      AdminInfo1 = Test IRC
      AdminInfo2 = Local instance
      MaxNickLength = 16
      Listen = 127.0.0.1
      Ports = 6667

      [Channel]
      Name = #linux
      Topic = Local test
    '';
  };

  services.thelounge = {
    enable = true;
    port = 9000;

    extraConfig = {
      public = false;
      reverseProxy = false; # no nginx for local testing

      defaults = {
        name = "localnet";
        host = "127.0.0.1";
        port = 6667;
        tls = false;
        nick = "test%%%"; # <= 9 chars incl. suffix
        join = "#linux";
      };

      lockNetwork = true;
    };
  };

  networking.firewall.allowedTCPPorts = [9000 6667];
}