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

import os
from pathlib import Path

from build_functions.build_utils import run_in_shell, print_banner, file_and_console_log
from common.azure import write_package_version_batch
from common.directory_helpers import pushd, get_local_prefix
from common.git_helpers import clone_git_tag
import common.settings
from package.package_info import get_package_info


def build_boost(prefix: Path | str, sbom: dict):

    print_banner("Building Boost")

    package_info = get_package_info("boost")
    package_info.add_to_sbom(sbom)

    boost_dir = clone_git_tag(package_info, recursive=True)

    with pushd(boost_dir):
        prefix = package_info.install_location()

        if not common.settings.rebuild and os.path.exists("built_and_installed.txt"):
            file_and_console_log("already built, exiting")
            return prefix

        if os.name == 'nt':
            bootstrap_suffix = "bat"
            b2_suffix = ".exe"
            cmdprefix = ""
            flags = "define=BOOST_USE_WINAPI_VERSION=0x0A00 define=_WIN32_WINNT=0x0A00"
        else:
            cmdprefix = "./"
            bootstrap_suffix = "sh"
            b2_suffix = ""
            flags = "cxxflags=-fPIC cflags=-fPIC"

        if os.name != 'nt':
            run_in_shell('chmod +x bootstrap.sh')
            run_in_shell('chmod +x ./tools/build/src/engine/build.sh')

        run_in_shell(
            f"{cmdprefix}bootstrap.{bootstrap_suffix} {common.settings.boost_bootstrap_toolset} --prefix={prefix}")

        # Normally I wouldn't exclude this many (or indeed any) libs from the build
        # but I have to save time to get the pipeline run below 1h
        run_in_shell(
            f"{cmdprefix}b2{b2_suffix} {flags} {common.settings.boost_toolset} cxxstd={common.settings.cpp_standard} -j {common.settings.num_cores} "
            f"--prefix={prefix} "
            "--without-mpi "
            "--without-graph_parallel "
            # "--without-python "
            "address-model=64 architecture=x86 link=static runtime-link=shared "
            "variant=release threading=multi install")

        with open("built_and_installed.txt", "w") as lockfile:
            lockfile.write("built")

    write_package_version_batch(package_info.version)

    # This stopped working somehow...
    # if run_in_buildpipeline:
    #     shutil.rmtree(local_directory)

    return prefix