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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)

from spack.package import *


class Lmdb(MakefilePackage):
    """Symas LMDB is an extraordinarily fast, memory-efficient database we
    developed for the Symas OpenLDAP Project. With memory-mapped files, it
    has the read performance of a pure in-memory database while retaining
    the persistence of standard disk-based databases."""

    homepage = "https://lmdb.tech/"
    url = "https://github.com/LMDB/lmdb/archive/LMDB_0.9.21.tar.gz"

    license("OLDAP-2.8")

    version("0.9.31", sha256="dd70a8c67807b3b8532b3e987b0a4e998962ecc28643e1af5ec77696b081c9b0")
    version("0.9.29", sha256="22054926b426c66d8f2bc22071365df6e35f3aacf19ad943bc6167d4cae3bebb")
    version("0.9.24", sha256="44602436c52c29d4f301f55f6fd8115f945469b868348e3cddaf91ab2473ea26")
    version("0.9.22", sha256="f3927859882eb608868c8c31586bb7eb84562a40a6bf5cc3e13b6b564641ea28")
    version("0.9.21", sha256="1187b635a4cc415bb6972bba346121f81edd996e99b8f0816151d4090f90b559")
    version("0.9.16", sha256="49d7b40949f2ced9bc8b23ea6a89e75471a1c9126537a8b268c318a00b84322b")

    build_directory = "libraries/liblmdb"

    @property
    def build_targets(self):
        return ["CC={0}".format(spack_cc)]

    @property
    def install_targets(self):
        return ["prefix={0}".format(self.prefix), "install"]

    @run_after("install")
    def install_pkgconfig(self):
        mkdirp(self.prefix.lib.pkgconfig)

        with open(join_path(self.prefix.lib.pkgconfig, "lmdb.pc"), "w") as f:
            f.write("prefix={0}\n".format(self.prefix))
            f.write("exec_prefix=${prefix}\n")
            f.write("libdir={0}\n".format(self.prefix.lib))
            f.write("includedir={0}\n".format(self.prefix.include))
            f.write("\n")
            f.write("Name: LMDB\n")
            f.write(
                "Description: Symas LMDB is an extraordinarily fast, "
                "memory-efficient database.\n"
            )
            f.write("Version: {0}\n".format(self.spec.version))
            f.write("Cflags: -I${includedir}\n")
            f.write("Libs: -L${libdir} -llmdb\n")