{ makeSystem
, nixpkgs

, commonConfig
}:
makeSystem {
  system = "x86_64-linux";
  name = "synapse";
  inherit nixpkgs;
  config =
    { pkgs, lib, ... }:
    let
      inherit (lib)
        singleton
        makeSearchPathOutput;
    in
    {
      dumb-init = {
        enable = true;
        type.services = { };
      };

      environment.systemPackages = [ pkgs.openssh ];

      services.synapse = {
        enable = true;
        package = import ./synapse-package.nix pkgs;
        settings = {
          listeners =
            [
              # The HTTP replication port
              {
                port = 9093;
                bind_addresses = [ "0.0.0.0" ];
                type = "http";
                resources = [
                  {
                    names = [ "replication" ];
                  }
                ];
              }
              {
                port = 6167;
                tls = false;
                type = "http";
                x_forwarded = true;
                bind_adrresses = [ "0.0.0.0" ];
                resources = singleton {
                  names = [ "client" "federation" ];
                  compress = false;
                };
              }
              {
                 port = 9000;
                 bind_addresses = [ "127.0.0.1" ];
                 type = "manhole";
              }
            ];

          public_baseurl = "https://matrix.redalder.org/";

          # Add a random shared secret to authenticate traffic.
          worker_replication_secret = "";
        };
        arguments = {
          "config-path" = [
            (commonConfig pkgs)
            "/secrets/extra.yaml"
            "/var/lib/registrations/extra.yaml"
          ];
          "keys-directory" = "/var/lib/synapse/keys";
        };
      };
    };
}