# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack.package import *
from spack.pkg.builtin.boost import Boost
from spack.spec import ConflictsInSpecError

yaml_cpp_tests_libcxx_error_msg = "yaml-cpp tests incompatible with libc++"


class YamlCpp(CMakePackage):
    """A YAML parser and emitter in C++"""

    homepage = "https://github.com/jbeder/yaml-cpp"
    url = "https://github.com/jbeder/yaml-cpp/archive/yaml-cpp-0.5.3.tar.gz"
    git = "https://github.com/jbeder/yaml-cpp.git"
    maintainers("eschnett")

    license("MIT")

    version("develop", branch="master")
    version("0.7.0", sha256="43e6a9fcb146ad871515f0d0873947e5d497a1c9c60c58cb102a97b47208b7c3")
    version("0.6.3", sha256="77ea1b90b3718aa0c324207cb29418f5bced2354c2e483a9523d98c3460af1ed")
    version("0.6.2", sha256="e4d8560e163c3d875fd5d9e5542b5fd5bec810febdcba61481fe5fc4e6b1fd05")
    version("0.5.3", sha256="decc5beabb86e8ed9ebeb04358d5363a5c4f72d458b2c788cb2f3ac9c19467b2")
    version("0.3.0", sha256="ab8d0e07aa14f10224ed6682065569761f363ec44bc36fcdb2946f6d38fe5a89")

    variant("shared", default=True, description="Build shared instead of static libraries")
    variant("pic", default=True, description="Build with position independent code")
    variant("tests", default=False, description="Build yaml-cpp tests using internal gtest")

    depends_on("boost@:1.66", when="@0.5.0:0.5.3")

    # TODO: replace this with an explicit list of components of Boost,
    # for instance depends_on('boost +filesystem')
    # See https://github.com/spack/spack/pull/22303 for reference
    depends_on(Boost.with_default_variants, when="@0.5.0:0.5.3")

    conflicts("%gcc@:4.7", when="@0.6.0:", msg="versions 0.6.0: require c++11 support")
    conflicts("%clang@:3.3.0", when="@0.6.0:", msg="versions 0.6.0: require c++11 support")
    conflicts("%apple-clang@:4.0.0", when="@0.6.0:", msg="versions 0.6.0: require c++11 support")
    conflicts("%intel@:11.1", when="@0.6.0:", msg="versions 0.6.0: require c++11 support")
    conflicts("%xl@:13.1", when="@0.6.0:", msg="versions 0.6.0: require c++11 support")
    conflicts("%xl_r@:13.1", when="@0.6.0:", msg="versions 0.6.0: require c++11 support")
    conflicts(
        '%clang cxxflags="-stdlib=libc++"', when="+tests", msg=yaml_cpp_tests_libcxx_error_msg
    )

    def flag_handler(self, name, flags):
        # We cannot catch all conflicts with the conflicts directive because
        # the user can add arbitrary strings to the flags. Here we can at least
        # fail early.
        # We'll include cppflags in case users mistakenly put c++ flags there.
        spec = self.spec
        if name in ("cxxflags", "cppflags") and spec.satisfies("+tests"):
            if "-stdlib=libc++" in flags:
                raise ConflictsInSpecError(
                    spec,
                    [
                        (
                            spec,
                            spec.compiler_flags[name],
                            spec.variants["tests"],
                            yaml_cpp_tests_libcxx_error_msg,
                        )
                    ],
                )
        return (flags, None, None)

    def cmake_args(self):
        options = []

        options.extend(
            [
                self.define_from_variant("BUILD_SHARED_LIBS", "shared"),
                self.define_from_variant("YAML_BUILD_SHARED_LIBS", "shared"),
                self.define_from_variant("CMAKE_POSITION_INDEPENDENT_CODE", "pic"),
                self.define_from_variant("YAML_CPP_BUILD_TESTS", "tests"),
            ]
        )

        return options

    def url_for_version(self, version):
        url = "https://github.com/jbeder/yaml-cpp/archive/{0}-{1}.tar.gz"
        if version < Version("0.5.3"):
            return url.format("release", version)
        else:
            return url.format("yaml-cpp", version)