# Small script to toggle DO-NOT-DISTURB mode
# and make it integrate well with other applications
{pkgs, ...}:
pkgs.writeShellApplication {
  name = "do-not-disturb";
  runtimeInputs = with pkgs; [
    coreutils
    mako
    systemd
  ];
  text = ''
    MAKO_DEFAULT_MODE=default
    MAKO_SILENT_MODE=do-not-disturb

    # Sanity checks
    if [ -z "''${1+x}" ]; then
      print_help
    fi
    if [ -z "''${XDG_RUNTIME_DIR+x}" ]; then
      printf "XDG_RUNTIME_DIR undefined! Cannot connect to mako!\n"
      exit 1
    fi

    state="$XDG_RUNTIME_DIR/do-not-disturb"

    # Print usage information
    function print_help() {
      printf "Usage:\n"
      printf "  %s [ toggle | is-on | is-off | get-file ]\n" "$0"
      exit 1
    }

    # Toggle the mode
    function toggle() {
      if [ -f "$state" ]; then
        rm "$state"
      else
        touch "$state"
      fi
    }

    # Update mako's mode to this scripts mode
    function update-mako() {
      if [ -f "$state" ]; then
        makoctl set-mode $MAKO_SILENT_MODE
      else
        makoctl set-mode $MAKO_DEFAULT_MODE
      fi
    }

    action=$1
    if [ "$action" = "toggle" ]; then
      toggle
      update-mako
    elif [ "$action" = "is-on" ]; then
      [ -f "$state" ]
    elif [ "$action" = "is-off" ]; then
      [ ! -f "$state" ]
    elif [ "$action" = "get-file" ]; then
      printf "%s" "$state"
    else
      print_help
    fi
  '';
}