# Copyright 2013-2021 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 import *


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

    homepage = "https://www.example.com"
    url      = "https://github.com/gartung/quux/archive/v3.0.0.tar.gz"

    version('3.0.0',
            sha256='b91bc96fb746495786bddac2c527039177499f2f76d3fa9dcf0b393859e68484')

    depends_on('garply')

    def install(self, spec, prefix):
        quux_cc = '''#include "quux.h"
#include "garply/garply.h"
#include "quux_version.h"
#include <iostream>
#include <stdexcept>

const int Quux::version_major = quux_version_major;
const int Quux::version_minor = quux_version_minor;

Quux::Quux() {}

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

int
Quux::quuxify() const
{
    int quux_version = get_version();
    std::cout << "Quux::quuxify version " << quux_version
              << " invoked" <<std::endl;
    std::cout << "Quux config directory is %s" <<std::endl;
    Garply garply;
    int garply_version = garply.garplinate();

    if (garply_version != quux_version) {
        throw std::runtime_error(
            "Quux found an incompatible version of Garply.");
    }

    return quux_version;
}
'''
        quux_h = '''#ifndef QUUX_H_

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

public:
    Quux();
    int get_version() const;
    int quuxify() const;
};

#endif // QUUX_H_
'''
        quuxifier_cc = '''
#include "quux.h"
#include <iostream>

int
main()
{
    Quux quux;
    quux.quuxify();

    return 0;
}
'''
        quux_version_h = '''const int quux_version_major = %s;
const int quux_version_minor = %s;
'''
        mkdirp('%s/quux' % prefix.include)
        with open('%s/quux_version.h' % self.stage.source_path, 'w')  as f:
            f.write(quux_version_h % (self.version[0], self.version[1:]))
        with open('%s/quux/quux.cc' % self.stage.source_path, 'w') as f:
            f.write(quux_cc % (prefix.config))
        with open('%s/quux/quux.h' % self.stage.source_path, 'w') as f:
            f.write(quux_h)
        with open('%s/quux/quuxifier.cc' % self.stage.source_path, 'w') as f:
            f.write(quuxifier_cc)
        gpp = which('/usr/bin/g++')
        if sys.platform == 'darwin':
            gpp = which('/usr/bin/clang++')
        gpp('-Dquux_EXPORTS',
            '-I%s' % self.stage.source_path,
            '-I%s' % spec['garply'].prefix.include,
            '-O2', '-g', '-DNDEBUG', '-fPIC',
            '-o', 'quux.cc.o',
            '-c', 'quux/quux.cc')
        gpp('-Dquux_EXPORTS',
            '-I%s' % self.stage.source_path,
            '-I%s' % spec['garply'].prefix.include,
            '-O2', '-g', '-DNDEBUG', '-fPIC',
            '-o', 'quuxifier.cc.o',
            '-c', 'quux/quuxifier.cc')
        if sys.platform == 'darwin':
            gpp('-fPIC', '-O2', '-g', '-DNDEBUG',
                '-dynamiclib', '-Wl,-headerpad_max_install_names',
                '-o', 'libquux.dylib',
                '-install_name', '@rpath/libcorge.dylib',
                'quux.cc.o', '-Wl,-rpath,%s' % prefix.lib64,
                '-Wl,-rpath,%s' % spec['garply'].prefix.lib64,
                '%s/libgarply.dylib' % spec['garply'].prefix.lib64)
            gpp('-O2', '-g', '-DNDEBUG',
                'quuxifier.cc.o', '-o', 'quuxifier',
                '-Wl,-rpath,%s' % prefix.lib64,
                '-Wl,-rpath,%s' % spec['garply'].prefix.lib64,
                'libquux.dylib',
                '%s/libgarply.dylib' % spec['garply'].prefix.lib64)
            mkdirp(prefix.lib64)
            copy('libquux.dylib', '%s/libquux.dylib' % prefix.lib64)
        else:
            gpp('-fPIC', '-O2', '-g', '-DNDEBUG', '-shared',
                '-Wl,-soname,libquux.so', '-o', 'libquux.so', 'quux.cc.o',
                '-Wl,-rpath,%s:%s::::' % (prefix.lib64,
                                          spec['garply'].prefix.lib64),
                '%s/libgarply.so' % spec['garply'].prefix.lib64)
            gpp('-O2', '-g', '-DNDEBUG', '-rdynamic',
                'quuxifier.cc.o', '-o', 'quuxifier',
                '-Wl,-rpath,%s:%s::::' % (prefix.lib64,
                                          spec['garply'].prefix.lib64),
                'libquux.so',
                '%s/libgarply.so' % spec['garply'].prefix.lib64)
            mkdirp(prefix.lib64)
            copy('libquux.so', '%s/libquux.so' % prefix.lib64)
        copy('quuxifier', '%s/quuxifier' % prefix.lib64)
        copy('%s/quux/quux.h' % self.stage.source_path,
             '%s/quux/quux.h' % prefix.include)
        mkdirp(prefix.bin)
        copy('quux_version.h', '%s/quux_version.h' % prefix.bin)
        os.symlink('%s/quuxifier' % prefix.lib64, '%s/quuxifier' % prefix.bin)
        os.symlink('%s/garplinator' % spec['garply'].prefix.lib64,
                   '%s/garplinator' % prefix.bin)