APP_PATH="$(ps -o comm -A | grep BetterDisplay | head)"
if [ -z "$APP_PATH" ]; then
    exit 0
fi

DISPLAY="$(yabai -m query --displays | jq -c '[.[] | select(.label=="Secondary")] | first')"
HAS_FOCUS="$(echo $DISPLAY | jq '."has-focus"')"
DISPLAY_ID="$(echo $DISPLAY | jq '.id')"

BRIGHTNESS="0.6"

if [[ "$HAS_FOCUS" == "true" ]]; then
    BRIGHTNESS="1"
fi

"$APP_PATH" set -displayID="$DISPLAY_ID" -feature=brightness -value="$BRIGHTNESS"

BUILT_IN_ID=$((echo '['; $APP_PATH get -feature=identifiers; echo ']') | \
  jq -r '.[] | select(.name? | contains("Built-in")) | .displayID')
if [[ -n "$BUILT_IN_ID" ]]; then
  MIRROR_STATUS=$($APP_PATH get -displayID="$BUILT_IN_ID" -feature=mirror | tr -d '[:space:]')
  if [[ "$MIRROR_STATUS" == "on" ]]; then
    $APP_PATH set -displayID="$BUILT_IN_ID" -feature=brightness -value="0"
  fi
fi