{ config, lib, pkgs, ... }:

{
  # Mautrix-signal settings
  services.signald.enable = true;
  systemd.services.matrix-as-signal = {
    requires = [ "signald.service" ];
    after = [ "signald.service" ];
    unitConfig = {
      JoinsNamespaceOf = "signald.service";
    };
    path = [
      pkgs.ffmpeg # voice messages need `ffmpeg`
    ];
  };

  services.matrix-appservices = {
    addRegistrationFiles = false;
    homeserverURL = "https://sealight.xyz/";
    homeserverDomain = "sealight.xyz";
    services = {
      # whatsapp = {
      #   port = 29183;
      #   format = "mautrix-go";
      #   package = pkgs.mautrix-whatsapp;
      # };

      # discord = {
      #   port = 29188;
      #   format = "mautrix-go";
      #   package = pkgs.unstable.mautrix-discord;
      # };

      # signal = {
      #   port = 29184;
      #   format = "mautrix-python";
      #   package = pkgs.unstable.mautrix-signal;
      #   serviceConfig = {
      #     StateDirectory = [ "matrix-as-signal" "signald" ];
      #     SupplementaryGroups = [ "signald" ];
      #     TimeoutStopSec = 1; # work around the service ignoring SIGTERM, see https://gitlab.com/coffeetables/nix-matrix-appservices/-/issues/12
      #     User = lib.mkForce config.services.signald.user;
      #     Group = lib.mkForce config.services.signald.group;
      #   };
      #   settings.signal = {
      #     socket_path = config.services.signald.socketPath;
      #     outgoing_attachment_dir = "/var/lib/signald/tmp";
      #   };
      # };
    };
  };
}
