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

{
  services.xserver.desktopManager.xterm.enable = false;

  my.packages = with pkgs; [
    libqalculate # calculator cli w/ currency & unit conversion

    xst  # st + nice-to-have extensions
    (makeDesktopItem {
      name = "xst";
      desktopName = "Suckless Terminal";
      genericName = "Default terminal";
      icon = "utilities-terminal";
      exec = "${xst}/bin/xst";
      categories = "Development;System;Utility";
    })

    (writeScriptBin "st-scratch" ''
      #!${stdenv.shell}
      SCRID=st-scratch
      focused=$(xdotool getactivewindow)
      scratch=$(xdotool search --onlyvisible --classname $SCRID)
      if [[ -n $scratch ]]; then
        if [[ $focused == $scratch ]]; then
          xdotool windowkill $scratch
        else
          xdotool windowactivate $scratch
        fi
      else
        xst -t $SCRID -n $SCRID -c $SCRID \
            -f "$(xrdb -query | grep 'st-scratch\.font' | cut -f2)" \
            -g 100x26 \
            -e $SHELL
      fi
    '')
    (writeScriptBin "st-calc" ''
      #!${stdenv.shell}
      SCRID=st-calc
      scratch=$(xdotool search --onlyvisible --classname $SCRID)
      [ -n "$scratch" ] && xdotool windowkill $scratch
      xst -t $SCRID -n $SCRID -c $SCRID \
          -f "$(xrdb -query | grep 'st-scratch\.font' | cut -f2)" \
          -g 80x12 \
          -e $SHELL -c qalc
    '')
    (makeDesktopItem {
      name = "st-calc";
      desktopName = "Calculator";
      icon = "calc";
      exec = "st-calc";
      categories = "Development";
    })
  ];
}