# Copyright 2022 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_docgen/docs.gni")
import("$dir_pw_protobuf_compiler/proto.gni")
import("$dir_pw_rpc/internal/integration_test_ports.gni")
import("$dir_pw_thread/backend.gni")
import("$dir_pw_toolchain/generate_toolchain.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_transfer_CONFIG = pw_build_DEFAULT_MODULE_CONFIG
}

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

pw_source_set("config") {
  public = [ "public/pw_transfer/internal/config.h" ]
  public_configs = [ ":public_include_path" ]
  public_deps = [
    "$dir_pw_chrono:system_timer",
    pw_transfer_CONFIG,
  ]
  visibility = [ ":*" ]
}

pw_source_set("pw_transfer") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    ":core",
    ":proto.raw_rpc",
    dir_pw_assert,
    dir_pw_bytes,
    dir_pw_result,
    dir_pw_status,
    dir_pw_stream,
  ]
  deps = [ dir_pw_log ]
  public = [ "public/pw_transfer/transfer.h" ]
  sources = [ "transfer.cc" ]
}

pw_source_set("client") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    ":core",
    ":proto.raw_rpc",
    dir_pw_assert,
    dir_pw_function,
    dir_pw_stream,
  ]
  deps = [ dir_pw_log ]
  public = [ "public/pw_transfer/client.h" ]
  sources = [ "client.cc" ]
}

pw_source_set("core") {
  public_configs = [ ":public_include_path" ]
  public_deps = [
    ":config",
    "$dir_pw_chrono:system_clock",
    "$dir_pw_preprocessor",
    "$dir_pw_rpc:client",
    "$dir_pw_rpc/raw:client_api",
    "$dir_pw_rpc/raw:server_api",
    "$dir_pw_sync:binary_semaphore",
    "$dir_pw_sync:timed_thread_notification",
    "$dir_pw_thread:thread_core",
    dir_pw_assert,
    dir_pw_bytes,
    dir_pw_result,
    dir_pw_status,
    dir_pw_stream,
  ]
  deps = [
    ":proto.pwpb",
    dir_pw_log,
    dir_pw_protobuf,
    dir_pw_varint,
  ]
  public = [
    "public/pw_transfer/handler.h",
    "public/pw_transfer/rate_estimate.h",
    "public/pw_transfer/transfer_thread.h",
  ]
  sources = [
    "chunk.cc",
    "client_context.cc",
    "context.cc",
    "public/pw_transfer/internal/chunk.h",
    "public/pw_transfer/internal/client_context.h",
    "public/pw_transfer/internal/context.h",
    "public/pw_transfer/internal/event.h",
    "public/pw_transfer/internal/server_context.h",
    "rate_estimate.cc",
    "server_context.cc",
    "transfer_thread.cc",
  ]
  friend = [ ":*" ]
  visibility = [ ":*" ]
}

pw_source_set("test_helpers") {
  public_deps = [
    ":core",
    dir_pw_containers,
  ]
  sources = [ "pw_transfer_private/chunk_testing.h" ]
  friend = [ ":*" ]
  visibility = [ ":*" ]
}

pw_proto_library("proto") {
  sources = [ "transfer.proto" ]
  python_package = "py"
  prefix = "pw_transfer"
}

pw_test_group("tests") {
  tests = []

  # pw_transfer requires threading.
  if (pw_thread_THREAD_BACKEND != "") {
    tests = [
      ":client_test",
      ":transfer_thread_test",
    ]

    # TODO(pwbug/441): Fix transfer tests on Windows and non-host builds.
    if (defined(pw_toolchain_SCOPE.is_host_toolchain) &&
        pw_toolchain_SCOPE.is_host_toolchain && host_os != "win") {
      tests += [
        ":handler_test",
        ":transfer_test",
      ]
    }
  }
}

pw_test("handler_test") {
  sources = [ "handler_test.cc" ]
  deps = [ ":pw_transfer" ]
}

pw_test("transfer_test") {
  sources = [ "transfer_test.cc" ]
  deps = [
    ":proto.pwpb",
    ":pw_transfer",
    ":test_helpers",
    "$dir_pw_rpc:thread_testing",
    "$dir_pw_rpc/raw:test_method_context",
    "$dir_pw_thread:thread",
  ]
}

pw_test("transfer_thread_test") {
  sources = [ "transfer_thread_test.cc" ]
  deps = [
    ":core",
    ":proto.raw_rpc",
    ":pw_transfer",
    ":test_helpers",
    "$dir_pw_rpc:thread_testing",
    "$dir_pw_rpc/raw:client_testing",
    "$dir_pw_rpc/raw:test_method_context",
    "$dir_pw_thread:thread",
  ]
}

pw_test("client_test") {
  sources = [ "client_test.cc" ]
  deps = [
    ":client",
    ":test_helpers",
    "$dir_pw_rpc:thread_testing",
    "$dir_pw_rpc/raw:client_testing",
    "$dir_pw_thread:sleep",
    "$dir_pw_thread:thread",
  ]
}

pw_doc_group("docs") {
  sources = [ "docs.rst" ]
  inputs = [
    "transfer.proto",
    "read.svg",
    "write.svg",
  ]
}

pw_proto_library("test_server_proto") {
  sources = [ "test_server.proto" ]
  prefix = "pw_transfer_test"
  deps = [ "$dir_pw_protobuf:common_protos" ]
}

pw_executable("test_rpc_server") {
  sources = [ "test_rpc_server.cc" ]
  deps = [
    ":pw_transfer",
    ":test_server_proto.raw_rpc",
    "$dir_pw_rpc/system_server",
    "$dir_pw_rpc/system_server:socket",
    "$dir_pw_stream:std_file_stream",
    "$dir_pw_thread:thread",
    dir_pw_log,
  ]
}

pw_executable("integration_test") {
  sources = [ "integration_test.cc" ]
  deps = [
    ":client",
    ":test_server_proto.raw_rpc",
    "$dir_pw_rpc:integration_testing",
    "$dir_pw_sync:binary_semaphore",
    "$dir_pw_thread:thread",
    dir_pw_assert,
    dir_pw_log,
    dir_pw_unit_test,
  ]
}

pw_python_action("cpp_client_integration_test") {
  script = "$dir_pw_rpc/py/pw_rpc/testing.py"
  args = [
    "--server",
    "<TARGET_FILE(:test_rpc_server)>",
    "--client",
    "<TARGET_FILE(:integration_test)>",
    "--",
    "$pw_transfer_CPP_CPP_TRANSFER_TEST_PORT",
    "(pw_rpc:CREATE_TEMP_DIR)",
  ]
  deps = [
    ":integration_test",
    ":test_rpc_server",
  ]

  stamp = true
}