# Copyright (c) 2022 Project CHIP Authors
#
# 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_overrides/build.gni")
import("//build_overrides/chip.gni")

declare_args() {
  # Define as "default" to include the built in resolution strategy in
  # CHIP (i.e. sources within this directory).
  #
  # Define as "custom" to only have relevant type definitions included
  # in which case the application is expected to provide a
  #    CHIP_ADDRESS_RESOLVE_IMPL_INCLUDE_HEADER
  # include to use
  chip_address_resolve_strategy = "default"
}

config("default_address_resolve_config") {
  defines = [ "CHIP_ADDRESS_RESOLVE_IMPL_INCLUDE_HEADER=<lib/address_resolve/AddressResolve_DefaultImpl.h>" ]
}

static_library("address_resolve") {
  public_deps = [
    "${chip_root}/src/lib/asn1",
    "${chip_root}/src/lib/core",
    "${chip_root}/src/lib/dnssd",
    "${chip_root}/src/lib/support",
    "${chip_root}/src/messaging",
    "${chip_root}/src/transport/raw",
  ]

  sources = [
    "AddressResolve.cpp",
    "AddressResolve.h",
  ]

  if (chip_address_resolve_strategy == "default") {
    sources += [
      "AddressResolve_DefaultImpl.cpp",
      "AddressResolve_DefaultImpl.h",
    ]

    public_configs = [ ":default_address_resolve_config" ]
  } else if (chip_address_resolve_strategy == "custom") {
    # nothing to do here, custom implementation
    # assume CHIP_ADDRESS_RESOLVE_IMPL_INCLUDE_HEADER is defined as a constant
    # when headers are included.
    #
    # This is likely to be done using a global config on the project.
  } else {
    assert(false, "Unknown chip address resolution strategy.")
  }
}

executable("address-resolve-tool") {
  sources = [ "tool.cpp" ]

  cflags = [ "-Wconversion" ]

  public_deps = [
    ":address_resolve",
    "${chip_root}/src/lib/support",
    "${chip_root}/src/platform/logging:stdio",
  ]

  output_dir = root_out_dir
}