# 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("$dir_pw_build/module_config.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_thread/backend.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_multisink_CONFIG = pw_build_DEFAULT_MODULE_CONFIG
}

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

pw_source_set("config") {
  public = [ "public/pw_multisink/config.h" ]
  public_configs = [ ":public_include_path" ]
  public_deps = [ pw_multisink_CONFIG ]
}

pw_source_set("pw_multisink") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multisink/multisink.h" ]
  public_deps = [
    ":config",
    "$dir_pw_sync:interrupt_spin_lock",
    "$dir_pw_sync:lock_annotations",
    "$dir_pw_sync:mutex",
    dir_pw_bytes,
    dir_pw_containers,
    dir_pw_function,
    dir_pw_result,
    dir_pw_ring_buffer,
    dir_pw_status,
  ]
  deps = [
    dir_pw_assert,
    dir_pw_log,
    dir_pw_varint,
  ]
  sources = [ "multisink.cc" ]
}

pw_source_set("util") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multisink/util.h" ]
  public_deps = [
    ":pw_multisink",
    "$dir_pw_log:protos.pwpb",
    dir_pw_status,
  ]
  deps = [
    dir_pw_bytes,
    dir_pw_function,
  ]
  sources = [ "util.cc" ]
}

pw_source_set("test_thread") {
  public_configs = [ ":public_include_path" ]
  public = [ "public/pw_multisink/test_thread.h" ]
  public_deps = [ "$dir_pw_thread:thread" ]
}

# Tests that use threads.
# To instantiate this test based on a thread backend, create a pw_test target
# that depends on this pw_source_set and a pw_source_set that provides the
# implementaiton of test_thread. See :stl_multisink_test as an example.
pw_source_set("multisink_threaded_test") {
  sources = [ "multisink_threaded_test.cc" ]
  deps = [
    ":pw_multisink",
    ":test_thread",
    "$dir_pw_string",
    "$dir_pw_thread:thread",
    "$dir_pw_thread:yield",
    "$dir_pw_unit_test",
  ]
}

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

pw_test("multisink_test") {
  sources = [ "multisink_test.cc" ]
  deps = [
    ":pw_multisink",
    dir_pw_function,
    dir_pw_status,
  ]
}

pw_source_set("stl_test_thread") {
  sources = [ "stl_test_thread.cc" ]
  deps = [
    ":test_thread",
    "$dir_pw_thread:thread",
    "$dir_pw_thread_stl:thread",
  ]
}

pw_test("stl_multisink_threaded_test") {
  enable_if = pw_thread_THREAD_BACKEND == "$dir_pw_thread_stl:thread"
  deps = [
    ":multisink_threaded_test",
    ":stl_test_thread",
  ]
}

pw_test_group("tests") {
  tests = [
    ":multisink_test",
    ":stl_multisink_threaded_test",
  ]
}