{ pkgs, ... }:

let
  spaceapidSrc = builtins.fetchGit {
    url = "https://git.hamburg.ccc.de/CCCHH/spaceapid.git";
    ref = "main";
    rev = "cf9678d7126e1951f9e4aabaa30d7350eb76973b";
  };
  spaceapid = pkgs.buildGoModule {
    pname = "spaceapid";
    version = "main";

    src = spaceapidSrc;

    # Since spaceapid doesn't have any dependencies, we can set this to null and
    # use the nonexistend vendored dependencies.
    vendorHash = null;
  };
  spaceapidConfigResponse = pkgs.writeText "spaceapid-config-ccchh-response.json" (builtins.readFile spaceapid-config/ccchh-response.json);
  spaceapidConfigDynamic = pkgs.writeText "spaceapid-config-ccchh-dynamic.json" (builtins.readFile spaceapid-config/ccchh-dynamic.json);
in
{
  users.users.spaceapi = {
    isSystemUser = true;
    group = "spaceapi";
  };
  users.groups.spaceapi = { };

  systemd.services.spaceapid = {
    enable = true;
    description = "Daemon hosting the SpaceAPI";
    unitConfig = {
      Wants = [ "network-online.target" ];
      After = [ "network.target" "network-online.target" ];
    };
    serviceConfig = {
      ExecStart = "${spaceapid}/bin/spaceapid -c ${spaceapidConfigResponse},${spaceapidConfigDynamic},/secrets/spaceapid-config-ccchh-credentials.secret";
      User = "spaceapi";
      Group = "spaceapi";
      Restart = "on-failure";
      StateDirectory = "spaceapid";
    };
    wantedBy = [ "multi-user.target" ];
  };

  deployment.keys = {
    "spaceapid-config-ccchh-credentials.secret" = {
      keyCommand = [ "pass" "noc/vm-secrets/chaosknoten/public-web-static/spaceapid-config-ccchh-credentials" ];
      destDir = "/secrets";
      user = "spaceapi";
      group = "spaceapi";
      permissions = "0640";
      uploadAt = "pre-activation";
    };
  };
}