#!/usr/bin/env bash
set -Eeuo pipefail

workspace=$(swaymsg -t get_workspaces -r | jq -c '.[] | select(.focused)')
number=$(jq -r '.num' <<<"$workspace")
current_name=$(jq -r '.name' <<<"$workspace")

if (( number < 1 )); then
  notify-send -a Waybar -u low "Workspace rename" \
    "The focused workspace does not have a numeric identity."
  exit 1
fi

current_label=${current_name#"$number:"}
if [[ "$current_label" == "$current_name" ]]; then
  current_label=
else
  current_label=${current_label# }
fi

label=$(printf '%s\n' "$current_label" | wofi --dmenu \
  --prompt "Name workspace $number (blank resets)" \
  --lines 1) || exit 0

label=${label//$'\n'/ }
if [[ -z "${label//[[:space:]]/}" ]]; then
  new_name=$number
else
  new_name="$number: $label"
fi

quoted_name=$(jq -Rrn --arg name "$new_name" '$name | @json')
swaymsg "rename workspace to $quoted_name" >/dev/null