# Copyright 2023 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("$dir_pw_async2/backend.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_unit_test/test.gni")

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

pw_source_set("chunk") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/chunk.h" ]
  sources = [ "chunk.cc" ]
  public_deps = [
    "$dir_pw_sync:interrupt_spin_lock",
    dir_pw_assert,
    dir_pw_bytes,
    dir_pw_preprocessor,
    dir_pw_span,
  ]
  deps = [ "$dir_pw_assert:check" ]
}

pw_source_set("header_chunk_region_tracker") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/header_chunk_region_tracker.h" ]
  public_deps = [
    ":chunk",
    dir_pw_allocator,
    dir_pw_bytes,
  ]
}

pw_test("header_chunk_region_tracker_test") {
  deps = [
    ":chunk",
    ":header_chunk_region_tracker",
    "$dir_pw_allocator:testing",
    dir_pw_status,
  ]
  sources = [ "header_chunk_region_tracker_test.cc" ]
}

pw_source_set("single_chunk_region_tracker") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/single_chunk_region_tracker.h" ]
  public_deps = [
    ":chunk",
    dir_pw_assert,
    dir_pw_bytes,
  ]
}

pw_test("single_chunk_region_tracker_test") {
  deps = [
    ":chunk",
    ":single_chunk_region_tracker",
  ]
  sources = [ "single_chunk_region_tracker_test.cc" ]

  # TODO: b/260624583 - Fix this for //targets/rp2040
  enable_if = pw_build_EXECUTABLE_TARGET_TYPE != "pico_executable"
}

pw_test("chunk_test") {
  deps = [
    ":chunk",
    ":header_chunk_region_tracker",
    "$dir_pw_allocator:testing",
  ]
  sources = [ "chunk_test.cc" ]
}

pw_source_set("pw_multibuf") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/multibuf.h" ]
  sources = [ "multibuf.cc" ]
  public_deps = [
    ":chunk",
    dir_pw_preprocessor,
  ]
}

pw_test("multibuf_test") {
  deps = [
    ":internal_test_utils",
    ":pw_multibuf",
  ]
  sources = [ "multibuf_test.cc" ]
}

pw_source_set("allocator") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/allocator.h" ]
  sources = [ "allocator.cc" ]
  public_deps = [
    ":pw_multibuf",
    "$dir_pw_async2:dispatcher",
    "$dir_pw_result",
  ]
}

pw_test("allocator_test") {
  enable_if = pw_async2_DISPATCHER_BACKEND != ""
  deps = [
    ":allocator",
    "$dir_pw_async2:dispatcher",
    "$dir_pw_async2:poll",
  ]
  sources = [ "allocator_test.cc" ]
}

pw_source_set("simple_allocator") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/simple_allocator.h" ]
  sources = [ "simple_allocator.cc" ]
  public_deps = [
    ":allocator",
    ":pw_multibuf",
    "$dir_pw_allocator:allocator",
    "$dir_pw_containers:intrusive_list",
  ]
}

pw_test("simple_allocator_test") {
  enable_if = pw_async2_DISPATCHER_BACKEND != ""
  deps = [
    ":simple_allocator",
    "$dir_pw_allocator:null_allocator",
    "$dir_pw_allocator:testing",
  ]
  sources = [ "simple_allocator_test.cc" ]
}

pw_source_set("stream") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/stream.h" ]
  public_deps = [
    ":pw_multibuf",
    dir_pw_status,
    dir_pw_stream,
  ]
  sources = [ "stream.cc" ]
}

pw_test("stream_test") {
  enable_if = pw_async2_DISPATCHER_BACKEND != ""
  deps = [
    ":internal_test_utils",
    ":stream",
  ]
  sources = [ "stream_test.cc" ]
}

pw_source_set("testing") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multibuf/simple_allocator_for_test.h" ]
  public_deps = [
    ":simple_allocator",
    "$dir_pw_allocator:testing",
    dir_pw_assert,
  ]
}

pw_source_set("internal_test_utils") {
  sources = [ "pw_multibuf_private/test_utils.h" ]
  public_deps = [
    ":header_chunk_region_tracker",
    ":pw_multibuf",
    "$dir_pw_allocator:testing",
    dir_pw_assert,
    dir_pw_bytes,
  ]
  visibility = [ ":*" ]
}

pw_test_group("tests") {
  tests = [
    ":allocator_test",
    ":chunk_test",
    ":header_chunk_region_tracker_test",
    ":multibuf_test",
    ":simple_allocator_test",
    ":single_chunk_region_tracker_test",
    ":stream_test",
  ]
}

pw_doc_group("docs") {
  sources = [ "docs.rst" ]
}