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

with lib;

let
  cfg = config.happy.system.emacs;
  customEclipse = import ../derivations/software/eclipse-wrapped.nix { pkgs = import <nixos-stable> {};};
  customEmacs = pkgs.emacsPackagesNg.emacsWithPackages (x: [
    x.pdf-tools
    pkgs.emacsPackages.ocamlMode
  ])


in {
  options.happy.system.emacs = {
    enable = mkEnableOption "Install Happy Workstation";
  };

  config = mkIf cfg.enable {

  services.emacs.defaultEditor = true;
  services.emacs.enable = true;
  services.emacs.package = customEmacs;

  services.gnome3.gvfs.enable = true;

  environment.systemPackages = with pkgs; [
    customEmacs
    customEclipse
    fasd
    aspell
    aspellDicts.en
    aspellDicts.de
  ];
 };
}