#!/usr/bin/env bash
set -u

failed=0

check() {
  local label=$1
  shift
  if "$@" >/dev/null 2>&1; then
    printf 'OK   %s\n' "$label"
  else
    printf 'FAIL %s\n' "$label"
    failed=1
  fi
}

check "Fairydust kernel booted" grep -q fairydust /proc/sys/kernel/osrelease
check "Apple GPU DRM device" sh -c 'find /sys/class/drm -maxdepth 1 -name "card*" | grep -q .'
check "Built-in display" sh -c 'find /sys/class/drm -maxdepth 1 -name "*-eDP-*" | grep -q .'
check "DisplayPort connector" sh -c 'find /sys/class/drm -maxdepth 1 -name "*-DP-*" | grep -q .'
check "USB-C Type-C bus" test -d /sys/bus/typec/devices
check "Wi-Fi interface" sh -c 'find /sys/class/net -maxdepth 1 -name "wl*" | grep -q .'
check "FaceTime camera" test -e /dev/video0
check "Laptop backlight" test -e /sys/class/backlight/apple-panel-bl/brightness
check "Touch Bar input" grep -qi 'Touch Bar' /proc/bus/input/devices
check "Audio card" test -e /proc/asound/cards

printf '\nKernel: '
uname -r
printf 'Model:  '
tr '\0' '\n' </proc/device-tree/model 2>/dev/null || true

exit "$failed"