// Copyright 2016 Klemens Morgenstern
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)

// For more information, see http://www.boost.org


#include <boost/config.hpp>

#include "../example/b2_workarounds.hpp"

#include <iostream>

using namespace std;

#include <boost/dll/smart_library.hpp>
#include <boost/dll/import_mangled.hpp>
#include <boost/dll/import_class.hpp>

#include <boost/core/lightweight_test.hpp>
#include <boost/filesystem.hpp>
#include <boost/variant.hpp>
#include <functional>

#define L cout << __LINE__ << endl;

int main(int argc, char* argv[])
{   
     using namespace boost::dll;
    using namespace boost::dll::experimental;
    boost::dll::fs::path pt = b2_workarounds::first_lib_from_argv(argc, argv);

    BOOST_TEST(!pt.empty());
    std::cout << "Library: " << pt << std::endl;

    smart_library sm(pt);

    auto static_val = import_mangled<int>(sm, "some_space::some_class::value");

    std::cout << "--------------------- Entry Points ------------------------\n" << std::endl;
    for (auto &s : sm.symbol_storage().get_storage())
        std::cout << s.demangled << std::endl;

    std::cout << "-----------------------------------------------------------\n\n" << std::endl;


    auto sp_variable = import_mangled<double>(sm, "some_space::variable");

    auto unscoped_var = import_mangled<int>(sm, "unscoped_var");

    std::size_t type_size = *import_mangled<std::size_t>(sm, "some_space::size_of_some_class");
    {

#if defined(_MSC_VER) // MSVC, Clang-cl, and ICC on Windows
       class override_class{};
       auto cl = import_class<override_class, int>(sm, "some_space::some_class", type_size, 42);
#else
       auto cl = import_class<class override_class, int>(sm, "some_space::some_class", type_size, 42);
#endif
       BOOST_TEST(!cl.is_copy_assignable());
       BOOST_TEST(!cl.is_copy_constructible());

       BOOST_TEST( cl.is_move_assignable());
       BOOST_TEST( cl.is_move_constructible());

       BOOST_TEST(*static_val == 42);

       auto i = cl.call<const override_class, int()>("get")();
       BOOST_TEST(i == 456);
       cl.call<void(int)>("set")(42);
       i = 0;
       i = cl.call<const override_class, int()>("get")();
       BOOST_TEST(i == 42);

         auto func = import_mangled<
                override_class, double(double, double), int(int, int),
                volatile override_class, int(int, int),
                const volatile override_class, double(double, double)>(sm, "func");



        BOOST_TEST((cl->*func)(3.,2.) == 6.);
        BOOST_TEST((cl->*func)(1 ,2 ) == 3 );

        auto fun2 = cl.import_symbol<double(double, double), int(int, int)>("func");

        BOOST_TEST((cl->*fun2)(3.,2.) == 6.);
        BOOST_TEST((cl->*fun2)(5 ,2 ) == 7 );

        //test if it binds.
        std::function<int(override_class* const, int, int)> mem_fn_obj = func;


        const std::type_info & ti = cl.get_type_info();
        std::string imp_name = boost::core::demangle(ti.name());
#if defined(_MSC_VER) // MSVC, Clang-cl, and ICC on Windows
        std::string exp_name = "struct some_space::some_class";
#else
        std::string exp_name = "some_space::some_class";
#endif
        BOOST_TEST(imp_name == exp_name);
    }

    BOOST_TEST(*static_val == 0);

    return boost::report_errors();
}
