# 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.

load("@rules_proto//proto:defs.bzl", "proto_library")
load(
    "//pw_build:pigweed.bzl",
    "pw_cc_library",
    "pw_cc_test",
)
load("@rules_python//python:defs.bzl", "py_binary")
load("@rules_proto_grpc//:plugin.bzl", "proto_plugin")
load("//pw_protobuf_compiler:proto.bzl", "pw_proto_library")

package(default_visibility = ["//visibility:public"])

licenses(["notice"])  # Apache License 2.0

pw_cc_library(
    name = "config",
    hdrs = ["public/pw_protobuf/config.h"],
    includes = ["public"],
)

pw_cc_library(
    name = "pw_protobuf",
    srcs = [
        "decoder.cc",
        "encoder.cc",
        "find.cc",
    ],
    hdrs = [
        "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/wire_format.h",
    ],
    includes = ["public"],
    deps = [
        ":config",
        "//pw_bytes",
        "//pw_result",
        "//pw_span",
        "//pw_status",
        "//pw_varint",
    ],
)

pw_cc_test(
    name = "decoder_test",
    srcs = ["decoder_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_preprocessor",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "encoder_test",
    srcs = ["encoder_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "find_test",
    srcs = ["find_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

proto_library(
    name = "codegen_test_proto",
    srcs = [
        "pw_protobuf_protos/common.proto",
        "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",
    ],
    strip_import_prefix = "//pw_protobuf",
)

pw_proto_library(
    name = "codegen_test_protos_pwpb",
    deps = [":codegen_test_proto"],
)

pw_cc_test(
    name = "codegen_test",
    srcs = [
        "codegen_test.cc",
    ],
    deps = [
        ":codegen_test_protos_pwpb",
        ":pw_protobuf",
        "//pw_span",
        "//pw_unit_test",
    ],
)

# TODO(frolv): Figure out how to add facade tests to Bazel.
filegroup(
    name = "varint_size_test",
    srcs = [
        "varint_size_test.cc",
    ],
)

# TODO(frolv): Figure out what to do about size reports in Bazel.
filegroup(
    name = "size_reports",
    srcs = glob([
        "size_report/*.cc",
    ]),
)

py_binary(
    name = "plugin",
    srcs = glob(["py/pw_protobuf/*.py"]),
    imports = ["py"],
    main = "py/pw_protobuf/plugin.py",
    python_version = "PY3",
    deps = ["@com_google_protobuf//:protobuf_python"],
)

proto_plugin(
    name = "pw_cc_plugin",
    outputs = [
        "{protopath}.pwpb.h",
    ],
    protoc_plugin_name = "pwpb",
    tool = "@pigweed//pw_protobuf:plugin",
    visibility = ["//visibility:public"],
)