#!/bin/bash
# Run through MDM as root with the affected user signed in.
set -u

APP="/Applications/Silmaril.app"
UNINSTALLER="$APP/Contents/Helpers/SilmarilUninstaller"

if [[ "$(/usr/bin/id -u)" -ne 0 ]]; then
  echo "Run the Silmaril uninstall script as root through MDM." >&2
  exit 77
fi

console_uid="$(/usr/bin/stat -f %u /dev/console)" || exit 69
case "$console_uid" in
  ''|*[!0-9]*)
    echo "Cannot identify the signed-in user. No removal was attempted." >&2
    exit 69
    ;;
esac
if [[ "$console_uid" -le 500 ]]; then
  echo "The affected user must be signed in. No removal was attempted." >&2
  exit 69
fi

if [[ ! -x "$UNINSTALLER" ]]; then
  echo "The bundled Silmaril uninstaller is unavailable. Review the installed app and any previous uninstall receipt." >&2
  exit 69
fi

if "$UNINSTALLER" --managed --user "$console_uid" --json; then
  result=0
else
  result=$?
fi

case "$result" in
  0) echo "Silmaril removal completed." >&2 ;;
  2) echo "Silmaril reported remaining items (exit 2). Review the JSON receipt for the affected components and required actions." >&2 ;;
  *) echo "Silmaril removal did not complete (exit $result). Review the uninstaller output before retrying." >&2 ;;
esac
exit "$result"