#!/bin/bash

# omarchy:summary=Returns true when a fingerprint reader is present
# omarchy:hidden=true

# Detect straight from sysfs so this works before fprintd/usbutils are
# installed (the fingerprint setup pulls those in). USB vendor IDs listed here
# ship fingerprint readers; multi-purpose vendors (e.g. Elan/STMicro, which
# also make USB touchscreens) are left out to avoid nagging laptops with no
# reader — those still match on the product string below when present.
fingerprint_vendors=" 27c6 138a 06cb 08ff 1c7a 147e "

for dev in /sys/bus/usb/devices/*; do
  # The device's own product descriptor usually names it, e.g. "Goodix
  # Fingerprint USB Device" — driver-independent and vendor-agnostic.
  if [[ -r $dev/product ]]; then
    product=$(<"$dev/product")
    product=${product,,}
    [[ $product == *fingerprint* || $product == *biometric* ]] && exit 0
  fi

  if [[ -r $dev/idVendor ]]; then
    vendor=$(<"$dev/idVendor")
    [[ $fingerprint_vendors == *" $vendor "* ]] && exit 0
  fi
done

exit 1
