# Copyright 2020 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("$dir_pw_build/target_types.gni")
import("$dir_pw_chrono/backend.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_fuzzer/fuzzer.gni")
import("$dir_pw_thread/backend.gni")
import("$dir_pw_toolchain/generate_toolchain.gni")
import("$dir_pw_unit_test/test.gni")

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

pw_source_set("pw_stream") {
  public_configs = [ ":public_include_path" ]
  public = [
    "public/pw_stream/memory_stream.h",
    "public/pw_stream/null_stream.h",
    "public/pw_stream/seek.h",
    "public/pw_stream/stream.h",
  ]
  sources = [ "memory_stream.cc" ]
  public_deps = [
    "$dir_pw_toolchain:sibling_cast",
    dir_pw_assert,
    dir_pw_bytes,
    dir_pw_polyfill,
    dir_pw_result,
    dir_pw_span,
    dir_pw_status,
  ]
}

pw_source_set("socket_stream") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    ":pw_stream",
    "$dir_pw_sync:mutex",
  ]
  deps = [
    dir_pw_assert,
    dir_pw_log,
    dir_pw_string,
  ]
  sources = [ "socket_stream.cc" ]
  public = [ "public/pw_stream/socket_stream.h" ]
  if (current_os == "win") {
    libs = [ "ws2_32" ]
  }
}

pw_source_set("sys_io_stream") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    "$dir_pw_stream",
    "$dir_pw_sys_io",
  ]
  public = [ "public/pw_stream/sys_io_stream.h" ]
}

pw_source_set("std_file_stream") {
  public_configs = [ ":public_include_path" ]
  public_deps = [ ":pw_stream" ]
  deps = [ "$dir_pw_assert" ]
  public = [ "public/pw_stream/std_file_stream.h" ]
  sources = [ "std_file_stream.cc" ]
}

pw_source_set("interval_reader") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    ":pw_stream",
    dir_pw_assert,
    dir_pw_status,
  ]
  public = [ "public/pw_stream/interval_reader.h" ]
  sources = [ "interval_reader.cc" ]
}

pw_source_set("mpsc_stream") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    ":pw_stream",
    "$dir_pw_chrono:system_clock",
    "$dir_pw_containers:intrusive_list",
    "$dir_pw_sync:lock_annotations",
    "$dir_pw_sync:mutex",
    "$dir_pw_sync:timed_thread_notification",
    dir_pw_assert,
    dir_pw_bytes,
    dir_pw_function,
    dir_pw_status,
  ]
  public = [ "public/pw_stream/mpsc_stream.h" ]
  sources = [ "mpsc_stream.cc" ]
}

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

pw_test_group("tests") {
  tests = [
    ":interval_reader_test",
    ":memory_stream_test",
    ":null_stream_test",
    ":seek_test",
    ":stream_test",
    ":mpsc_stream_test",
  ]

  if (defined(pw_toolchain_SCOPE.is_host_toolchain) &&
      pw_toolchain_SCOPE.is_host_toolchain) {
    tests += [ ":std_file_stream_test" ]

    # socket_stream_test doesn't compile on Windows.
    if (host_os != "win") {
      tests += [ ":socket_stream_test" ]
    }
  }
}

pw_test("memory_stream_test") {
  sources = [ "memory_stream_test.cc" ]
  deps = [ ":pw_stream" ]
}

pw_test("null_stream_test") {
  sources = [ "null_stream_test.cc" ]
  deps = [ ":pw_stream" ]
}

pw_test("std_file_stream_test") {
  sources = [ "std_file_stream_test.cc" ]
  deps = [
    ":std_file_stream",
    "$dir_pw_assert",
    "$dir_pw_bytes",
    "$dir_pw_containers",
    "$dir_pw_random",
    "$dir_pw_result",
    "$dir_pw_status",
    "$dir_pw_string",
  ]
}

pw_test("seek_test") {
  sources = [ "seek_test.cc" ]
  deps = [ ":pw_stream" ]
}

pw_test("stream_test") {
  sources = [ "stream_test.cc" ]
  deps = [ ":pw_stream" ]
}

pw_test("interval_reader_test") {
  sources = [ "interval_reader_test.cc" ]
  deps = [ ":interval_reader" ]
}

pw_test("socket_stream_test") {
  sources = [ "socket_stream_test.cc" ]
  deps = [ ":socket_stream" ]
}

pw_test("mpsc_stream_test") {
  sources = [ "mpsc_stream_test.cc" ]
  deps = [
    ":mpsc_stream",
    "$dir_pw_containers:vector",
    "$dir_pw_fuzzer:fuzztest",
    "$dir_pw_thread:test_thread_context",
    "$dir_pw_thread:thread",
    dir_pw_random,
  ]
  enable_if =
      pw_chrono_SYSTEM_CLOCK_BACKEND != "" && pw_thread_THREAD_BACKEND != "" &&
      pw_thread_TEST_THREAD_CONTEXT_BACKEND != ""
}