# Copyright 2021 The Pigweed 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
#
#     https://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/pigweed.gni")

import("$dir_pw_build/input_group.gni")
import("$dir_pw_build/module_config.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_fuzzer/fuzzer.gni")
import("$dir_pw_protobuf_compiler/proto.gni")
import("$dir_pw_unit_test/facade_test.gni")
import("$dir_pw_unit_test/test.gni")

declare_args() {
  # The build target that overrides the default configuration options for this
  # module. This should point to a source set that provides defines through a
  # public config (which may -include a file or add defines directly).
  pw_protobuf_CONFIG = pw_build_DEFAULT_MODULE_CONFIG
}

config("public_include_path") {
  include_dirs = [ "public" ]
}

pw_source_set("config") {
  public = [ "public/pw_protobuf/config.h" ]
  public_configs = [ ":public_include_path" ]
  public_deps = [ pw_protobuf_CONFIG ]
  visibility = [ ":*" ]
}

pw_source_set("pw_protobuf") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    ":config",
    dir_pw_assert,
    dir_pw_bytes,
    dir_pw_result,
    dir_pw_status,
    dir_pw_stream,
    dir_pw_varint,
  ]
  public = [
    "public/pw_protobuf/codegen.h",
    "public/pw_protobuf/decoder.h",
    "public/pw_protobuf/encoder.h",
    "public/pw_protobuf/find.h",
    "public/pw_protobuf/serialized_size.h",
    "public/pw_protobuf/streaming_encoder.h",
    "public/pw_protobuf/wire_format.h",
  ]
  sources = [
    "decoder.cc",
    "encoder.cc",
    "find.cc",
    "streaming_encoder.cc",
  ]
}

pw_doc_group("docs") {
  sources = [
    "decoding.rst",
    "docs.rst",
    "encoding.rst",
  ]
  report_deps = [
    "size_report:decoder_full",
    "size_report:decoder_incremental",
  ]
}

pw_test_group("tests") {
  tests = [
    ":codegen_test",
    ":decoder_test",
    ":encoder_test",
    ":encoder_fuzzer",
    ":find_test",
    ":varint_size_test",
    ":streaming_encoder_test",
  ]
}

pw_test("decoder_test") {
  deps = [ ":pw_protobuf" ]
  sources = [ "decoder_test.cc" ]
}

pw_test("encoder_test") {
  deps = [ ":pw_protobuf" ]
  sources = [ "encoder_test.cc" ]
}

pw_test("streaming_encoder_test") {
  deps = [ ":pw_protobuf" ]
  sources = [ "streaming_encoder_test.cc" ]
}

pw_test("find_test") {
  deps = [ ":pw_protobuf" ]
  sources = [ "find_test.cc" ]
}

pw_test("codegen_test") {
  deps = [ ":codegen_test_protos.pwpb" ]
  sources = [ "codegen_test.cc" ]
}

config("one_byte_varint") {
  defines = [ "PW_PROTOBUF_CFG_MAX_VARINT_SIZE=1" ]
  visibility = [ ":*" ]
}

pw_source_set("varint_size_test_config") {
  public_configs = [ ":one_byte_varint" ]
  visibility = [ ":*" ]
}

pw_facade_test("varint_size_test") {
  build_args = {
    pw_protobuf_CONFIG = ":varint_size_test_config"
  }
  deps = [ ":pw_protobuf" ]
  sources = [ "varint_size_test.cc" ]
}

pw_proto_library("common_protos") {
  sources = [ "pw_protobuf_protos/common.proto" ]
}

pw_proto_library("codegen_test_protos") {
  sources = [
    "pw_protobuf_test_protos/full_test.proto",
    "pw_protobuf_test_protos/imported.proto",
    "pw_protobuf_test_protos/importer.proto",
    "pw_protobuf_test_protos/non_pw_package.proto",
    "pw_protobuf_test_protos/proto2.proto",
    "pw_protobuf_test_protos/repeated.proto",
  ]
  deps = [ ":common_protos" ]
}

pw_fuzzer("encoder_fuzzer") {
  sources = [ "encoder_fuzzer.cc" ]
  deps = [ ":pw_protobuf" ]
}