#!/usr/bin/env bash
set -f
swaymsg -t get_tree | jq -r 'recurse(
    .focus[0] as $target
    | (.nodes + .floating_nodes)[]
    | select(.id == $target)
    ) | "\(.rect.width) \(.rect.height) \(.deco_rect.height)"' | {

    while read -r line; do
        # shellcheck disable=2086
        set -- $line
        w=$1 h=$2 d=$3
    done
    : "${w?No container found}"
    [ "$w" -ge "$((h+d))" ] && direction=horizontal || direction=vertical
    swaymsg "split $direction"
}