#!/bin/bash

set -e; . /usr/local/lib/bash-bear; set +e

try() {
  "$@" || printf "warning: failed %s\n" "$*"
}

while true; do
  while read -r line ; do
    mark=$(printf "%s\n" "$line" | jq -r 'select (.change == "focus") | .container.marks[0]') ||:
    if [[ $mark && $mark != null ]]; then
      echo $mark > /tmp/last-obs-i3-mark
      if [[ ! -e /tmp/no-obs-auto-scene-switch ]]; then
        p=$(cat /p/obs-ws-pass)
        try obs-cmd -w obsws://localhost:4455/$p scene switch $mark
      fi
    fi
    # debugging
    #printf "%s\n" "$line" | jq


    # intentional process substitution to properly exit on kill
    # ||: avoids error messages
  done < <(i3-msg -t subscribe -m '[ "window" ]' ||:)
  sleep 5
done