#Copyright (c) 2025 Huawei Device Co., Ltd.
#Licensed under the Apache License, Version 2.0 (the "License");
#you may not use this file except in compliance with the License.
#You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing, software
#distributed under the License is distributed on an "AS IS" BASIS,
#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#See the License for the specific language governing permissions and
#limitations under the License.

import("//build/ohos.gni")

source_dir = "//third_party/sane-airscan"
target_dir = "${target_gen_dir}/patches"

action("airscan_action") {
  script = "//third_party/sane-airscan/patch_install.py"
  inputs = [ "${source_dir}/patches/oh-transplant.patch" ]
  outputs = [
    "${target_dir}/patches/airscan-conf.c",
    "${target_dir}/patches/airscan-devops.c",
    "${target_dir}/patches/airscan-eloop.c",
    "${target_dir}/patches/airscan-http.c",
    "${target_dir}/patches/airscan-init.c",
    "${target_dir}/patches/airscan-log.c",
    "${target_dir}/patches/airscan-mdns.c",
    "${target_dir}/patches/airscan-netif.c",
    "${target_dir}/patches/airscan-pollable.c",
    "${target_dir}/patches/airscan-tiff.c",
    "${target_dir}/patches/airscan-wsd.c",
    "${target_dir}/patches/airscan-zeroconf.c",
    "${target_dir}/patches/airscan.c",
    "${target_dir}/patches/airscan.h",
  ]
  airscan_source_dir = rebase_path("${source_dir}", root_build_dir)
  args = [
    "--source-dir",
    "$airscan_source_dir",
  ]
}

config("airscan_config") {
  cflags = [
    "-fno-exceptions",
    "-fdata-sections",
    "-ffunction-sections",
    "-fno-asynchronous-unwind-tables",
    "-fno-unwind-tables",
    "-flto",
    "-Os",
    "-DOH_AIRSCAN",
  ]
}

ohos_shared_library("sane-airscan") {
  include_dirs = [ "./airscan.h" ]
  sources = [
    "airscan-array.c",
    "airscan-bmp.c",
    "airscan-conf.c",
    "airscan-devcaps.c",
    "airscan-device.c",
    "airscan-devid.c",
    "airscan-devops.c",
    "airscan-eloop.c",
    "airscan-escl.c",
    "airscan-filter.c",
    "airscan-http.c",
    "airscan-id.c",
    "airscan-image.c",
    "airscan-init.c",
    "airscan-ip.c",
    "airscan-jpeg.c",
    "airscan-log.c",
    "airscan-math.c",
    "airscan-memstr.c",
    "airscan-netif.c",
    "airscan-os.c",
    "airscan-png.c",
    "airscan-pollable.c",
    "airscan-rand.c",
    "airscan-trace.c",
    "airscan-xml.c",
    "airscan-zeroconf.c",
    "airscan.c",
    "http_parser.c",
    "sane_strstatus.c",
  ]

  configs = [ ":airscan_config" ]
  deps = [ ":airscan_action" ]
  external_deps = [
    "backends:sane",
    "hilog:libhilog",
    "libjpeg-turbo:turbojpeg",
    "libpng:libpng",
    "libuv:uv",
    "libxml2:libxml2",
  ]

  ldflags = [ "-ldl" ]

  subsystem_name = "thirdparty"
  part_name = "sane-airscan"
}

#the target group
group("third_airscan") {
  deps = [ ":sane-airscan" ]
}