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

let
  cfg = config.${namespace}.cs-tools;
in
{
  options.${namespace}.cs-tools = {
    enable = lib.mkEnableOption "CS tools including CS Demo Manager and PostgreSQL";
  };

  config = lib.mkIf cfg.enable {
    services.postgresql = {
      enable = true;
      ensureDatabases = [ "csdm" ];
      ensureUsers = [{
        name = "csdm";
      }];
    };
    environment.systemPackages = with pkgs; [
      my-namespace.cs-demo-manager
      postgresql
    ];
  };
}