#!/bin/bash
# Copyright 2022 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# This script generates CrOS specific files for camera metadata tags with mako
# and specs/scripts from Android.  Checkout AOSP system/media/camera/docs folder
# to a desired branch before running this script.

if [[ -z $1 ]]; then
  echo "Usage: $0 <path_to_android_system_media_camera_docs>"
  exit 1
fi

BASE_DIR="$(dirname $(realpath "$0"))"
CAMERA_DOCS_DIR="$1"

function gen_file_abs() {
  local in="$1"
  local out="$2"
  local hal_version="${3:-3.2}"
  local spec_file="${CAMERA_DOCS_DIR}/metadata_definitions.xml"

  python3 "${CAMERA_DOCS_DIR}/metadata_parser_xml.py" \
      "${spec_file}" "${in}" "${out}" "${hal_version}"

  local succ=$?

  if [[ ${succ} -eq 0 ]]; then
    echo "OK: Generated $(realpath ${out})"
  else
    echo "FAIL: Errors while generating $(realpath ${out})"
  fi

  return ${succ}
}

gen_file_abs "${BASE_DIR}/camera_metadata_tags.mojom.mako" \
    "${BASE_DIR}/camera_metadata_tags.mojom" || exit 1
gen_file_abs "${BASE_DIR}/CameraMetadataTagsVerifier.mako" \
    "${BASE_DIR}/CameraMetadataTagsVerifier.cc" || exit 1