# 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 FrontierClient(MakefilePackage):
    """The Frontier distributed database caching system distributes data from
    data sources to many client systems around the world. The name comes
    from "N Tier" where N is any number and tiers are layers of locations
    of distribution."""

    homepage = "http://frontier.cern.ch/"
    url = "https://github.com/fermitools/frontier/archive/v2_9_1.tar.gz"

    version("2_9_1", sha256="d21370fbe142807966e3c2218ce361ea3bb573498e1b8387b801fb6641c3ed22")
    version("2_9_0", sha256="e58dba3f177c5b74609f244101a22a5c14d42bf019013fe2dba72c09f819c62a")
    version("2_8_21", sha256="7df9ba61c3e1778aca75c5da6e45ee4d00b5c061d3f7162208e2fbd2ec266a9e")
    version("2_8_20", sha256="81b0f45762d96a33f156e0238631a60eef910a176644e95c6c19a36824bef7e1")

    depends_on("pacparser")
    depends_on("expat")
    depends_on("openssl")
    depends_on("zlib-api")

    patch("frontier-client.patch", level=0)

    # pacparser changed the function return type from void to
    # int from v1.3.9, whereas frontier-client has not tagged
    # any new versions in a while. Therefore, the patch below
    # serves as a (temporary) fix. See
    # https://github.com/spack/spack/pull/29936
    @when("^pacparser@1.3.9:")
    def patch(self):
        filter_file(
            "static void (*pp_setmyip)(const char *);",
            "static int (*pp_setmyip)(const char *);",
            "client/pacparser-dlopen.c",
            string=True,
        )
        filter_file(
            "void pacparser_setmyip(const char *ip)",
            "int pacparser_setmyip(const char *ip)",
            "client/pacparser-dlopen.c",
            string=True,
        )
        filter_file(
            r"  if\(\!pp_dlhandle\)\n    return;",
            r"  if\(\!pp_dlhandle\)\n    return 0;",
            "client/pacparser-dlopen.c",
        )
        filter_file(
            "  (*pp_setmyip)(ip);",
            "  return (*pp_setmyip)(ip);",
            "client/pacparser-dlopen.c",
            string=True,
        )

    def edit(self, spec, prefix):
        makefile = FileFilter("client/Makefile")
        makefile.filter("EXPAT_DIR}/lib", "EXPAT_DIR}/lib64")

    def build(self, spec, prefix):
        with working_dir("client"):
            make(
                "CC=clang" if self.spec.satisfies("%clang") else "",
                "-j1",
                "dist",
                "PACPARSER_DIR=" + self.spec["pacparser"].prefix,
                "EXPAT_DIR=" + self.spec["expat"].prefix,
                "OPENSSL_DIR=" + self.spec["openssl"].prefix,
                "ZLIB_DIR=" + self.spec["zlib-api"].prefix,
            )

    def install(self, spec, prefix):
        install_tree(join_path("client", "dist"), prefix)