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# Copyright 2013-2023 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)

import inspect
import os.path

from spack.package import *


class Grackle(Package):
    """Grackle is a chemistry and radiative cooling library for astrophysical
    simulations with interfaces for C, C++, and Fortran codes. It is a
    generalized and trimmed down version of the chemistry network of the Enzo
    simulation code
    """

    homepage = "http://grackle.readthedocs.io/en/grackle-3.1/"
    url = "https://bitbucket.org/grackle/grackle/get/grackle-3.1.tar.bz2"

    version("3.1", sha256="504fb080c7f8578c92dcde76cf9e8b851331a38ac76fc4a784df4ecbe1ff2ae8")
    version("3.0", sha256="9219033332188d615e49135a3b030963f076b3afee098592b0c3e9f8bafdf504")
    version("2.2", sha256="b1d201313c924df38d1e677015f7c31dce42083ef6a0e0936bb9410ccd8a3655")
    version("2.0.1", sha256="8f784aaf53d98ddb52b448dc51eb9ec452261a2dbb360170a798693b85165f7d")

    variant("float", default=False, description="Build with float")

    depends_on("libtool", when="@2.2")

    depends_on("mpi")
    depends_on("hdf5+mpi")

    parallel = False

    def install(self, spec, prefix):
        template_name = "{0.architecture}-{0.compiler.name}"
        grackle_architecture = template_name.format(spec)
        link_variables = (
            "MACH_AR = ar" if spec.version < Version("2.2") else "MACH_LIBTOOL = libtool"
        )
        substitutions = {
            "@ARCHITECTURE": grackle_architecture,
            "@CC": spec["mpi"].mpicc,
            "@CXX": spec["mpi"].mpicxx,
            "@FC": spec["mpi"].mpifc,
            "@F77": spec["mpi"].mpif77,
            "@STDCXX_LIB": " ".join(self.compiler.stdcxx_libs),
            "@HDF5_ROOT": spec["hdf5"].prefix,
            "@PREFIX": prefix,
            "@LINK_VARIABLES_DEFINITION": link_variables,
        }

        template = join_path(
            os.path.dirname(inspect.getmodule(self).__file__), "Make.mach.template"
        )
        makefile = join_path(
            self.stage.source_path, "src", "clib", "Make.mach.{0}".format(grackle_architecture)
        )
        copy(template, makefile)
        for key, value in substitutions.items():
            filter_file(key, value, makefile)

        configure()
        with working_dir("src/clib"):
            make("clean")
            make("machine-{0}".format(grackle_architecture))
            make("opt-high")
            if spec.satisfies("+float"):
                make("precision-32")
            make("show-config")
            make()
            mkdirp(prefix.lib)
            make("install")