{
  pkgs,
  lib,
  config,
  ...
}:
let
  enabled = config.mod.scala.enable;

  globalJDKVersion = pkgs.jdk17;
in
{
  options = {
    mod.scala = {
      enable = lib.mkEnableOption "enable scala module";
    };
  };

  config = lib.mkIf enabled {
    home-manager.users.alex = {
      home.sessionVariables.JAVA_HOME = "${globalJDKVersion.home}";

      home.packages = [
        globalJDKVersion

        pkgs.scala-cli
        (pkgs.scala_2_13.override { jre = globalJDKVersion; })
        (pkgs.sbt.override { jre = globalJDKVersion; })
        (pkgs.metals.override { jre = globalJDKVersion; })
      ];
    };
  };
}