# (c) 2025 by Stephan Menzel
# Licensed under the Apache License, Version 2.0.
# See attached file LICENSE for full details

from pathlib import Path

from build_functions.build_utils import print_banner
from common.azure import write_package_version_batch
from common.cmake import cmake_build_install, assemble_prefix_path
from common.git_helpers import clone_git_tag
import common.settings
from package.package_info import get_package_info


def build_grpc(prefix: Path, sbom: dict) -> Path:

    print_banner("Building gRPC")

    package_info = get_package_info("grpc")

    # Gotta reduce this for gRPC. The build agent keeps running out of mem
    global num_cores
    num_cores = 1 if common.settings.run_in_buildpipeline else 6

    package_info.add_to_sbom(sbom)

    deps = [
        package_info.dependency("zlib"),
        package_info.dependency("re2"),
        package_info.dependency("openssl"),
        package_info.dependency("abseil-cpp"),
        package_info.dependency("c-ares"),
        package_info.dependency("protobuf")
    ]

    zlib_install_path = package_info.dependency_path("zlib")

    grpc_cmake_args = [
        ("BUILD_SHARED_LIBS:BOOL", "OFF"),
        ("BUILD_TESTING:BOOL", "OFF"),
        ("ABSL_PROPAGATE_CXX_STD:BOOL", "ON"),
        ("gRPC_BUILD_GRPC_CPP_PLUGIN:BOOL", "ON"),
        ("gRPC_BUILD_GRPC_CSHARP_PLUGIN:BOOL", "ON"),
        ("gRPC_BUILD_GRPC_PYTHON_PLUGIN:BOOL", "ON"),
        ("gRPC_BUILD_GRPC_NODE_PLUGIN:BOOL", "OFF"),
        ("gRPC_BUILD_GRPC_OBJECTIVE_C_PLUGIN:BOOL", "OFF"),
        ("gRPC_BUILD_GRPC_PHP_PLUGIN:BOOL", "OFF"),
        ("gRPC_BUILD_GRPC_RUBY_PLUGIN:BOOL", "OFF"),
        # ("gRPC_BUILD_MSVC_MP_COUNT:STRING", "1"),
        # ("gRPC_DOWNLOAD_ARCHIVES:BOOL", "ON"),
        ("gRPC_ABSL_PROVIDER:STRING", "package"),
        ("gRPC_CARES_PROVIDER:STRING", "package"),
        ("gRPC_PROTOBUF_PROVIDER:STRING", "package"),
        ("gRPC_SSL_PROVIDER", "package"),
        ("gRPC_RE2_PROVIDER", "package"),
        ("gRPC_ZLIB_PROVIDER:STRING", "package"),

        ("CMAKE_PREFIX_PATH:STRING", assemble_prefix_path(deps)),

        # ("OPENSSL_ROOT_DIR:PATH", openssl_install_path),
        ("OPENSSL_USE_STATIC_LIBS:BOOL", "ON"),

        ("ZLIB_ROOT:PATH", str(zlib_install_path)),
        ("ZLIB_USE_STATIC_LIBS:BOOL", "ON"),  # doesn't appear to do its job
        ("ZLIB_LIBRARY_RELEASE:FILEPATH", str(zlib_install_path / "lib" / common.settings.zlib_static_lib_name)),
        ("ZLIB_LIBRARY_DEBUG:FILEPATH", str(zlib_install_path / "lib" / common.settings.zlib_static_lib_name))
    ]
    grpc_dir = clone_git_tag(package_info, recursive=False)
    install_dir = cmake_build_install(grpc_dir, package_info, cmake_args=grpc_cmake_args)
    write_package_version_batch(package_info.version)
    return install_dir