// 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.

package {
    default_applicable_licenses: ["external_pigweed_license"],
}

cc_library_headers {
    name: "pw_log",
    cpp_std: "c++20",
    vendor_available: true,
    export_include_dirs: ["public"],
    host_supported: true,
}

cc_library_headers {
    name: "pw_log_pwpb",
    cpp_std: "c++20",
    vendor_available: true,
    static_libs: [
        "pw_toolchain",
    ],
    export_static_lib_headers: [
        "pw_toolchain",
    ],
    host_supported: true,
    generated_headers: [
        "google_protobuf_descriptor_pwpb_h",
        "pw_log_log_proto_pwpb_h",
        "pw_log_log_rpc_pwpb_h",
        "pw_log_log_raw_rpc_h",
        "pw_protobuf_protos_common_pwpb_h",
        "pw_tokenizer_proto_options_pwpb_h",
    ],
    export_generated_headers: [
        "google_protobuf_descriptor_pwpb_h",
        "pw_log_log_proto_pwpb_h",
        "pw_log_log_rpc_pwpb_h",
        "pw_log_log_raw_rpc_h",
        "pw_protobuf_protos_common_pwpb_h",
        "pw_tokenizer_proto_options_pwpb_h",
    ],
}

// Copies the proto files to a prefix directory to add the prefix to the
// compiled proto. The prefix is taken from the directory name of the first
// item listen in out.
genrule_defaults {
    name: "pw_log_add_prefix_to_proto",
    cmd: "out_files=($(out)); prefix=$$(dirname $${out_files[0]}); " +
        "mkdir -p $${prefix}; cp -t $${prefix} $(in);",
}

genrule {
    name: "pw_log_log_proto_with_prefix",
    defaults: ["pw_log_add_prefix_to_proto"],
    srcs: [
        "log.proto",
    ],
    out: [
        "pw_log/proto/log.proto",
    ],
}

genrule {
    name: "pw_log_log_proto_pwpb_h",
    srcs: [
        ":libprotobuf-internal-protos",
        ":pw_log_log_proto_with_prefix",
        ":pw_protobuf_common_proto",
        ":pw_tokenizer_proto_options_proto",
    ],
    cmd: "python3 $(location pw_protobuf_compiler_py) " +
        "--proto-path=external/pigweed/pw_protobuf/ " +
        "--proto-path=external/pigweed/pw_tokenizer/ " +
        "--proto-path=$$(dirname $$(dirname $$(dirname $(location :pw_log_log_proto_with_prefix)))) " +
        "--proto-path=external/protobuf/src/ " +
        "--out-dir=$(genDir) " +
        "--plugin-path=$(location pw_protobuf_plugin_py) " +
        "--compile-dir=$(genDir) " +
        "--sources $(location :pw_log_log_proto_with_prefix) " +
        "--language pwpb " +
        "--no-experimental-proto3-optional " +
        "--protoc=$(location aprotoc) && " +
        // TODO(b/308678575) - Ideally the previous command would create the file at the right location,
        // but following all the layers of pigweed wrappers around protoc is too difficult.
        "python3 -c \"import os; import shutil; " +
        "shutil.copy2(os.path.splitext('$(location :pw_log_log_proto_with_prefix)')[0]+'.pwpb.h', '$(out)')\"",
    out: [
        "pw_log/proto/log.pwpb.h",
    ],
    tools: [
        "aprotoc",
        "pw_protobuf_plugin_py",
        "pw_protobuf_compiler_py",
    ],
}

genrule {
    name: "pw_log_log_rpc_pwpb_h",
    srcs: [
        ":libprotobuf-internal-protos",
        ":pw_log_log_proto_with_prefix",
        ":pw_protobuf_common_proto",
        ":pw_tokenizer_proto_options_proto",
    ],
    cmd: "python3 $(location pw_protobuf_compiler_py) " +
        "--proto-path=external/pigweed/pw_protobuf/ " +
        "--proto-path=external/pigweed/pw_tokenizer/ " +
        "--proto-path=$$(dirname $$(dirname $$(dirname $(location :pw_log_log_proto_with_prefix)))) " +
        "--proto-path=external/protobuf/src/ " +
        "--out-dir=$(genDir) " +
        "--plugin-path=$(location pw_rpc_plugin_pwpb_py) " +
        "--compile-dir=$(genDir) " +
        "--sources $(location :pw_log_log_proto_with_prefix) " +
        "--language pwpb_rpc " +
        "--no-experimental-proto3-optional " +
        "--protoc=$(location aprotoc) && " +
        // TODO(b/308678575) - Ideally the previous command would create the file at the right location,
        // but following all the layers of pigweed wrappers around protoc is too difficult.
        "python3 -c \"import os; import shutil; " +
        "shutil.copy2(os.path.splitext('$(location :pw_log_log_proto_with_prefix)')[0]+'.rpc.pwpb.h', '$(out)')\"",
    out: [
        "pw_log/proto/log.rpc.pwpb.h",
    ],
    tools: [
        "aprotoc",
        "pw_protobuf_compiler_py",
        "pw_rpc_plugin_pwpb_py",
    ],
}

genrule {
    name: "pw_log_log_raw_rpc_h",
    srcs: [
        ":libprotobuf-internal-protos",
        ":pw_log_log_proto_with_prefix",
        ":pw_protobuf_common_proto",
        ":pw_tokenizer_proto_options_proto",
    ],
    cmd: "python3 $(location pw_protobuf_compiler_py) " +
        "--proto-path=external/pigweed/pw_protobuf/ " +
        "--proto-path=external/pigweed/pw_tokenizer/ " +
        "--proto-path=$$(dirname $$(dirname $$(dirname $(location :pw_log_log_proto_with_prefix)))) " +
        "--proto-path=external/protobuf/src/ " +
        "--out-dir=$(genDir) " +
        "--plugin-path=$(location pw_rpc_plugin_rawpb_py) " +
        "--compile-dir=$(genDir) " +
        "--sources $(location :pw_log_log_proto_with_prefix) " +
        "--language raw_rpc " +
        "--no-experimental-proto3-optional " +
        "--protoc=$(location aprotoc) && " +
        // TODO(b/308678575) - Ideally the previous command would create the file at the right location,
        // but following all the layers of pigweed wrappers around protoc is too difficult.
        "python3 -c \"import os; import shutil; " +
        "shutil.copy2(os.path.splitext('$(location :pw_log_log_proto_with_prefix)')[0]+'.raw_rpc.pb.h', '$(out)')\"",
    out: [
        "pw_log/proto/log.raw_rpc.pb.h",
    ],
    tools: [
        "aprotoc",
        "pw_protobuf_compiler_py",
        "pw_rpc_plugin_rawpb_py",
    ],
}

android_library {
    name: "pw_log_android_java",
    srcs: ["java/android_main/dev/pigweed/pw_log/*.java"],
    visibility: ["//visibility:public"],
    sdk_version: "current",
}