#!/usr/bin/env bash
# rice-bar - polybar on every connected monitor.
#
#   rice-bar start     (re)launch the bar
#   rice-bar toggle    hide or show it without restarting
set -uo pipefail

start() {
  pkill -u "$UID" -x polybar
  while pgrep -u "$UID" -x polybar >/dev/null; do sleep 0.1; done
  local m
  for m in $(xrandr --query | awk '/ connected/ {print $1}'); do
    MONITOR="$m" setsid -f polybar --reload top >/dev/null 2>&1
  done
}

case "${1:-start}" in
  start)  start ;;
  toggle) if pgrep -u "$UID" -x polybar >/dev/null; then polybar-msg cmd toggle >/dev/null; else start; fi ;;
  *) echo "usage: rice-bar start|toggle" >&2; exit 2 ;;
esac