{ config, lib, pkgs, ... }: let
  inherit (lib) mkIf;
  btopPopupConfig = pkgs.writeText "btop-popup.conf" /* conf */ ''
    tty_mode = True
    force_tty = True
    shown_boxes = "proc"
    proc_left = False
    proc_tree = False
    proc_gradient = False
    proc_colors = False
    proc_per_core = False
    proc_mem_bytes = False
    proc_cpu_graphs = False
    proc_mem_graphs = False
    mem_graphs = False
    show_detailed = False
    show_cpu_freq = False
    show_uptime = False
    show_disks = False
    show_io_stat = False
    show_swap = False
  '';
  process-monitor = pkgs.writeScriptBin "process-monitor" /* nu */ ''
    #!${pkgs.nushell}/bin/nu
    let hyprctl = "${pkgs.hyprland}/bin/hyprctl"
    let niri_bin = (try { (which niri | get 0.path) } catch { null })
    let class_name = "btop-popup"
    let compositor = if (try { $env.NIRI_SOCKET } catch { null }) != null {
        "niri"
      } else if (try { $env.HYPRLAND_INSTANCE_SIGNATURE } catch { null }) != null {
        "hyprland"
      } else if $niri_bin != null {
        "niri"
      } else {
        "unknown"
      }
    let windows = if $compositor == "niri" and $niri_bin != null {
        try { ^$niri_bin msg --json windows | from json } catch { [] }
      } else if $compositor == "hyprland" {
        try { ^$hyprctl clients -j | from json } catch { [] }
      } else {
        []
      }
    let existing = if $compositor == "niri" {
        $windows | where app_id? == $class_name
      } else if $compositor == "hyprland" {
        $windows | where class? == $class_name
      } else {
        []
      }
    if ($existing | is-empty) {
      ^${pkgs.kitty}/bin/kitty --detach --class $class_name --title "Process Monitor" --override remember_window_size=no --override initial_window_width=44c --override initial_window_height=16c --override window_padding_width=${toString (config.theme.padding / 2)} ${pkgs.btop}/bin/btop --config ${btopPopupConfig}
    } else if $compositor == "niri" and $niri_bin != null {
      let id = ($existing | first | get id?)
      if $id != null { ^$niri_bin msg action close-window --id $id }
    } else if $compositor == "hyprland" {
      let address = ($existing | first | get address?)
      if $address != null { ^$hyprctl dispatch closewindow $"address:($address)" }
    }
  '';
in mkIf config.isDesktopNotWsl {
  environment.systemPackages = [
    process-monitor
  ];
}

{ config, lib, pkgs, ... }: let
  inherit (lib) mkIf getExe';
  hx = getExe' pkgs.helix "hx";
  mkScratchpad = { name, file, title }: pkgs.writeScriptBin "${name}-scratchpad" /* nu */ ''
    #!${pkgs.nushell}/bin/nu
    let hyprctl = "${pkgs.hyprland}/bin/hyprctl"
    let niri_bin = (try { (which niri | get 0.path) } catch { null })
    let scratchpad_class = "${name}-scratchpad"
    let notes_path = ([$env.HOME "notes" "${file}"] | path join)
    let notes_dir = ($notes_path | path dirname)
    if (not ($notes_dir | path exists)) { mkdir $notes_dir }
    if (not ($notes_path | path exists)) { ^${pkgs.coreutils}/bin/touch $notes_path }
    let compositor = if (try { $env.NIRI_SOCKET } catch { null }) != null {
        "niri"
      } else if (try { $env.HYPRLAND_INSTANCE_SIGNATURE } catch { null }) != null {
        "hyprland"
      } else if $niri_bin != null {
        "niri"
      } else {
        "unknown"
      }
    let windows = if $compositor == "niri" and $niri_bin != null {
        try { ^$niri_bin msg --json windows | from json } catch { [] }
      } else if $compositor == "hyprland" {
        try { ^$hyprctl clients -j | from json } catch { [] }
      } else {
        []
      }
    let existing = if $compositor == "niri" {
        $windows | where app_id? == $scratchpad_class
      } else if $compositor == "hyprland" {
        $windows | where class? == $scratchpad_class
      } else {
        []
      }
    if ($existing | is-empty) {
      ^${pkgs.kitty}/bin/kitty --detach --class $scratchpad_class --title "${title}" --override remember_window_size=no --override initial_window_width=80c --override initial_window_height=24c --directory $notes_dir ${hx} $notes_path
    } else if $compositor == "niri" and $niri_bin != null {
      let id = ($existing | first | get id?)
      if $id != null { ^$niri_bin msg action close-window --id $id }
    } else if $compositor == "hyprland" {
      let address = ($existing | first | get address?)
      if $address != null { ^$hyprctl dispatch closewindow $"address:($address)" }
    }
  '';
  todoScratchpad   = mkScratchpad { name = "todo";   file = "todo.md";   title = "Todo"; };
  randomScratchpad = mkScratchpad { name = "random"; file = "random.md"; title = "Random"; };
in mkIf config.isDesktopNotWsl {
  environment.systemPackages = [
    todoScratchpad
    randomScratchpad
  ];
}

        window_padding_width = config.theme.padding / 2;
        window_border_width  = "0pt";

        hide_window_decorations = true;
        window_padding_width    = config.theme.padding / 2;
        window_border_width     = "0pt";