# 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)


import os
import sys

from spack.package import *


class Garply(Package):
    """Toy package for testing dependencies"""

    homepage = "https://www.example.com"
    has_code = False
    version("3.0.0")

    def install(self, spec, prefix):
        garply_h = """#ifndef GARPLY_H_

class Garply
{
private:
    static const int version_major;
    static const int version_minor;

public:
    Garply();
    int get_version() const;
    int garplinate() const;
};

#endif // GARPLY_H_
"""
        garply_cc = """#include "garply.h"
#include "garply_version.h"
#include <iostream>

const int Garply::version_major = garply_version_major;
const int Garply::version_minor = garply_version_minor;

Garply::Garply() {}

int
Garply::get_version() const
{
    return 10 * version_major + version_minor;
}

int
Garply::garplinate() const
{
    std::cout << "Garply::garplinate version " << get_version()
              << " invoked" << std::endl;
    std::cout << "Garply config dir = %s" << std::endl;
    return get_version();
}
"""
        garplinator_cc = """#include "garply.h"
#include <iostream>

int
main()
{
    Garply garply;
    garply.garplinate();

    return 0;
}
"""
        garply_version_h = """const int garply_version_major = %s;
const int garply_version_minor = %s;
"""
        mkdirp("%s/garply" % prefix.include)
        mkdirp("%s/garply" % self.stage.source_path)
        with open("%s/garply_version.h" % self.stage.source_path, "w") as f:
            f.write(garply_version_h % (self.version[0], self.version[1:]))
        with open("%s/garply/garply.h" % self.stage.source_path, "w") as f:
            f.write(garply_h)
        with open("%s/garply/garply.cc" % self.stage.source_path, "w") as f:
            f.write(garply_cc % prefix.config)
        with open("%s/garply/garplinator.cc" % self.stage.source_path, "w") as f:
            f.write(garplinator_cc)
        gpp = which("/usr/bin/g++")
        if sys.platform == "darwin":
            gpp = which("/usr/bin/clang++")
        gpp(
            "-Dgarply_EXPORTS",
            "-I%s" % self.stage.source_path,
            "-O2",
            "-g",
            "-DNDEBUG",
            "-fPIC",
            "-o",
            "garply.cc.o",
            "-c",
            "%s/garply/garply.cc" % self.stage.source_path,
        )
        gpp(
            "-Dgarply_EXPORTS",
            "-I%s" % self.stage.source_path,
            "-O2",
            "-g",
            "-DNDEBUG",
            "-fPIC",
            "-o",
            "garplinator.cc.o",
            "-c",
            "%s/garply/garplinator.cc" % self.stage.source_path,
        )
        if sys.platform == "darwin":
            gpp(
                "-fPIC",
                "-O2",
                "-g",
                "-DNDEBUG",
                "-dynamiclib",
                "-Wl,-headerpad_max_install_names",
                "-o",
                "libgarply.dylib",
                "-install_name",
                "@rpath/libgarply.dylib",
                "garply.cc.o",
            )
            gpp(
                "-O2",
                "-g",
                "-DNDEBUG",
                "-Wl,-search_paths_first",
                "-Wl,-headerpad_max_install_names",
                "garplinator.cc.o",
                "-o",
                "garplinator",
                "-Wl,-rpath,%s" % prefix.lib64,
                "libgarply.dylib",
            )
            mkdirp(prefix.lib64)
            copy("libgarply.dylib", "%s/libgarply.dylib" % prefix.lib64)
            os.link("%s/libgarply.dylib" % prefix.lib64, "%s/libgarply.dylib.3.0" % prefix.lib64)
        else:
            gpp(
                "-fPIC",
                "-O2",
                "-g",
                "-DNDEBUG",
                "-shared",
                "-Wl,-soname,libgarply.so",
                "-o",
                "libgarply.so",
                "garply.cc.o",
            )
            gpp(
                "-O2",
                "-g",
                "-DNDEBUG",
                "-rdynamic",
                "garplinator.cc.o",
                "-o",
                "garplinator",
                "-Wl,-rpath,%s" % prefix.lib64,
                "libgarply.so",
            )
            mkdirp(prefix.lib64)
            copy("libgarply.so", "%s/libgarply.so" % prefix.lib64)
            os.link("%s/libgarply.so" % prefix.lib64, "%s/libgarply.so.3.0" % prefix.lib64)
        copy("garplinator", "%s/garplinator" % prefix.lib64)
        copy("%s/garply/garply.h" % self.stage.source_path, "%s/garply/garply.h" % prefix.include)
        mkdirp(prefix.bin)
        copy("garply_version.h", "%s/garply_version.h" % prefix.bin)
        os.symlink("%s/garplinator" % prefix.lib64, "%s/garplinator" % prefix.bin)