# Copyright 2013-2022 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 import *


class Xbraid(MakefilePackage):
    """XBraid: Parallel time integration with Multigrid"""

    homepage = "https://computing.llnl.gov/projects/parallel-time-integration-multigrid/software"
    url      = "https://github.com/XBraid/xbraid/archive/v2.2.0.tar.gz"
    tags     = ['radiuss']

    version('3.0.0', sha256='06988c0599cd100d3b3f3ebb183c9ad34a4021922e0896815cbedc659aaadce6')
    version('2.3.0', sha256='706f0acde201c7c336ade3604679759752a74e2cd6c2a29a8bf5676b6e54b704')
    version('2.2.0', sha256='082623b2ddcd2150b3ace65b96c1e00be637876ec6c94dc8fefda88743b35ba3')

    depends_on('mpi')

    @when('@:2.2.0')
    def build(self, spec, prefix):
        make('libbraid.a')

    @when('@2.3.0:')
    def build(self, spec, prefix):
        make('braid')

    # XBraid doesn't have a real install target, so it has to be done
    # manually
    @when('@2.3.0:')
    def install(self, spec, prefix):
        # Install headers
        mkdirp(prefix.include)
        install('braid/*.h', prefix.include)
        install('braid/*.hpp', prefix.include)

        # Install library
        mkdirp(prefix.lib)
        install('braid/libbraid.a', join_path(prefix.lib, 'libbraid.a'))

        # Install other material (e.g., examples, tests, docs)
        mkdirp(prefix.share)
        install('makefile.inc', prefix.share)
        install_tree('examples', prefix.share.examples)
        install_tree('drivers', prefix.share.drivers)

        # TODO: Some of the scripts in 'test' are useful, even for
        # users; some could be deleted from an installation because
        # they're not useful to users
        install_tree('test', prefix.share.test)
        install_tree('misc', prefix.share.misc)
        install_tree('docs', prefix.share.docs)

    @when('@:2.2.0')
    def install(self, spec, prefix):
        # Install headers
        mkdirp(prefix.include)
        install('*.h', prefix.include)

        # Install library
        mkdirp(prefix.lib)
        library = 'libbraid.a'
        install(library, join_path(prefix.lib, library))

        # Install other material (e.g., examples, tests, docs)
        mkdirp(prefix.share)
        install('makefile.inc', prefix.share)
        install_tree('examples', prefix.share.examples)
        install_tree('drivers', prefix.share.drivers)

        # TODO: Some of the scripts in 'test' are useful, even for
        # users; some could be deleted from an installation because
        # they're not useful to users
        install_tree('test', prefix.share.test)
        install_tree('user_utils', prefix.share.user_utils)
        install_tree('docs', prefix.share.docs)

    @property
    def libs(self):
        return find_libraries('libbraid', root=self.prefix,
                              shared=False, recursive=True)
