#!/bin/sh

# Jump to the first empty workspace
#
# Triggered by <Super>n
# as defined in [org/gnome/settings-daemon/plugins/media-keys]
# in ~/.config/gnome-settings/key-bindings.ini
#
# Note: This assumes that only the main monitor has workspaces enabled
#       (see ~/.local/bin/move-window-to-empty-workspace)

set -eu


occupied=$(wmctrl -l) || exit 1  # fail safe
occupied=$(echo "$occupied" | awk '{print $2}' | sort -u)

total=$(wmctrl -d | wc -l)


# 0-based index for the first workspace
i=0

while [ "$i" -lt "$total" ]; do

    if ! echo "$occupied" | grep -qx "$i"; then
        exec wmctrl -s "$i"
    fi

    i=$((i + 1))

done


command -v notify-send >/dev/null \
    && notify-send 'Workspaces' 'No empty workspace available'

exit 1