#include "zeroerr/assert.h"
#include "zeroerr/unittest.h"

#include "common/Runtime.h"
#include "plugins/Plugins.h"

#include <string>

using eve::plugins::Plugins;

TEST_CASE("plugins.load.rejectsEmptyPath") {
    Plugins plugins;
    CHECK_THROWS((plugins.load(""), false));
    CHECK_EQ(plugins.isLoaded(""), false);
}

TEST_CASE("plugins.load.rejectsMissingLibrary") {
    Plugins plugins;
    const std::string missing = "evengine-plugin-that-does-not-exist.dll";
    CHECK_THROWS((plugins.load(missing), false));
    CHECK_EQ(plugins.isLoaded(missing), false);
}

TEST_CASE("plugins.load.closesLibraryWithoutEntrypoint") {
    Plugins plugins;
#if defined(_WIN32)
    const std::string library = "kernel32.dll";
#elif defined(__APPLE__)
    const std::string library = "/usr/lib/libSystem.B.dylib";
#else
    const std::string library = "libm.so.6";
#endif
    CHECK_THROWS((plugins.load(library), false));
    CHECK_EQ(plugins.isLoaded(library), false);
    CHECK_EQ(plugins.unload(library), false);
}

TEST_CASE("plugins.unload.unknownPathIsNoop") {
    Plugins plugins;
    CHECK_EQ(plugins.unload("not-loaded"), false);
}

#if !defined(EVENGINE_ANDROID) && !defined(EVENGINE_IOS)
TEST_CASE("plugins.load.nativeLibraryAndInstantiateCppModule") {
    eve::Runtime runtime(512, ssq::Libs::ALL);
    runtime.initialize();

    Plugins plugins;
    const std::string library =
        std::string(EVENGINE_TEST_BINARY_DIR) + "/native_test_plugin" +
        EVENGINE_TEST_SHARED_LIBRARY_SUFFIX;
    REQUIRE(plugins.load(library));
    CHECK(plugins.isLoaded(library));

    auto* module = eve::ModuleManager::requireInstance<eve::Module>("NativeTestPlugin");
    REQUIRE(module != nullptr);
    CHECK_EQ(module->getName(), std::string("NativeTestPlugin"));

    // Native classes and VM closures still point into the library, so plugins
    // deliberately remain resident for the rest of the process.
    CHECK_EQ(plugins.unload(library), false);
    CHECK(plugins.isLoaded(library));
}
#endif