#!/usr/bin/env bash
notif=/tmp/sway-xkb-layout-notification

declare -A layout_pretty_name
layout_pretty_name["English (US)"]="🍔 Burger"
layout_pretty_name["Greek"]="🫒 Greek"

old_layout_name=-1
swaymsg -m -t subscribe '["input"]' | while read -r line; do
    layout_name="$(jq -r '.input.xkb_active_layout_name' <<< "$line")"
    if [[ "$layout_name" == "$old_layout_name" || "$layout_name" == "null" ]]; then
        continue
    fi
    old_layout_name="$layout_name"
    notify-send.sh -R "$notif" -u low -t 1000 "Keyboard layout" "${layout_pretty_name[$layout_name]:-$layout_name}"
done