{ options
, lib
, config
, pkgs
, modulesPath
}:

let
  cfg = config.services.devalloc-host;
in
{
  options.services.devalloc-host = {
    enable = lib.mkEnableOption "Enable the devalloc-host service";
    port = lib.mkOption {
      type = lib.types.int;
      default = 3000;
      description = ''
        The port on which devalloc-host will listen for
        incoming HTTP traffic.
      '';
    };
    package = lib.mkOption {
      type = lib.types.package;
      description = "devalloc-host package to use";
    };
  };
  config = lib.mkIf cfg.enable {
    systemd.services.devalloc-host = {
      path = [ cfg.package ];
      wantedBy = [ "multi-user.target" ];
      script = ''
        ${cfg.package}/bin/devalloc-host
      '';
      description = ''
        Devalloc.Host
      '';
      serviceConfig = {
        Environment = ["PORT=${toString cfg.port}"];
        KillSignal = "INT";
        Type = "simple";
        Restart = "on-abort";
        RestartSec = "1";
      };
    };
  };
}