#!/bin/env bash

: "${BUTTON:=1}"

node="$(bspc query -N -n pointed)"

die() {
    jobs -p | xargs -r -n1 -I{} kill {}
    exit
}

trap 'die' USR1

{ bspc subscribe node_focus | while read -r _ _ _ wid; do
    (( wid != node )) && break; done; kill -USR1 "$$" ;} &
{ while xinput list \
      | sed -nE 's,.*id=([0-9]+).*slave\s+pointer.*,\1,p' \
      | xargs -r -n1 -I{} xinput query-state {} 2> /dev/null \
      | grep -qF "button[${BUTTON}]=down"; do sleep .3; done; kill -USR1 "$$" ;} &

if bspc node "$node.tiled" -f; then
    node_tiled_rect=($(bspc query -T -n "$node" | jq -r '.client.tiledRectangle[]'))
    bspc node "$node" -t floating
    xdo move   -x "${node_tiled_rect[0]}" -y "${node_tiled_rect[1]}" "$node"
    xdo resize -w "${node_tiled_rect[2]}" -h "${node_tiled_rect[3]}" "$node"
elif bspc node "$node.floating" -f; then
    :
else
    die
fi

eval "$(xdotool getmouselocation --shell)"
x="$X" y="$Y"
while :; do
    eval "$(xdotool getmouselocation --shell)"
    (( X != x || Y != y )) && {
        bspc node "$node" -v "$((X - x))" "$((Y - y))"
        x="$X" y="$Y"
    }
done

wait