/**
 * @file
 *
 * @author  Mamadou Babaei <mamadou@senseglove.com>
 *
 * @section LICENSE
 *
 * (The MIT License)
 *
 * Copyright (c) 2020 - 2023 SenseGlove
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * @section DESCRIPTION
 *
 *
 */


#include "SGAndroid/SGConnectJNI.h"

#if PLATFORM_ANDROID
#include "Android/AndroidApplication.h"
#include "Android/AndroidJava.h"
#endif  /* PLATFORM_ANDROID */

#if PLATFORM_ANDROID
#include "SGConnectImpl/SGExportedFunctions.h"
#include "SGInterop/SGIC_jclass.h"
#include "SGInterop/SGIC_jmethodID.h"
#include "SGInterop/SGIC_JNIEnv_Ptr.h"
#endif  /* PLATFORM_ANDROID */

int32 FSGConnectJNI::Initialize()
{
    int32 Result = -999999;

#if PLATFORM_ANDROID
    static constexpr char SGCONNECT_JAVA_CLASS_NAME[] = "com.senseglove.sgconnect.SGConnect";

    SGLOG("FSGCoreJNI: attempting to get the Android JNI environment...");

    JNIEnv* Env = FAndroidApplication::GetJavaEnv();
    FAndroidApplication::CheckJavaException();
    if (!Env)
    {
        SGLOG_ERROR("FSGCoreJNI: failed to get the Android JNI environmnet!");
        return -1999999;
    }
    FSGIC_JNIEnv_Ptr InEnvContainer{Env};

    SGLOG("FSGCoreJNI: attempting to find the Android Java class...");

    jclass Class = FAndroidApplication::FindJavaClass(SGCONNECT_JAVA_CLASS_NAME);
    FAndroidApplication::CheckJavaException();
    if (Env->IsSameObject(Class, nullptr))
    {
        SGLOG_ERROR("FSGCoreJNI: failed to get the Android Java class!");
        return -2999999;
    }
    Class = (jclass)Env->NewGlobalRef(Class);
    FSGIC_jclass InClassContainer{Class};

    SGLOG("FSGCoreJNI: attempting to find the Android JNI method 'Init'...");

    jmethodID InitMethodID = Env->GetStaticMethodID(Class, "Init", "()I");
    FAndroidApplication::CheckJavaException();
    if (!InitMethodID)
    {
        SGLOG_ERROR("FSGCoreJNI: failed to get the Android JNI method 'Init'!");
        return -3999999;
    }
    FSGIC_jmethodID InInitMethodIDContainer{InitMethodID};

    SGLOG("FSGCoreJNI: attempting to find the Android JNI method 'Dispose'...");

    jmethodID DisposeMethodID = Env->GetStaticMethodID(Class, "Dispose", "()I");
    FAndroidApplication::CheckJavaException();
    if (!DisposeMethodID)
    {
        SGLOG_ERROR("FSGCoreJNI: failed to get the Android JNI method 'Dispose'!");
        return -4999999;
    }
    FSGIC_jmethodID InDisposeMethodIDContainer{DisposeMethodID};

    SGLOG("FSGCoreJNI: attempting to find the Android JNI method 'GetLibraryVersion'...");

    jmethodID GetLibraryVersionMethodID = Env->GetStaticMethodID(Class, "GetLibraryVersion", "()Ljava/lang/String;");
    FAndroidApplication::CheckJavaException();
    if (!GetLibraryVersionMethodID)
    {
        SGLOG_ERROR("FSGCoreJNI: failed to get the Android JNI method 'GetLibraryVersion'!");
        return -5999999;
    }
    FSGIC_jmethodID InGetLibraryVersionMethodIDContainer{GetLibraryVersionMethodID};

    Result = SGConnectImpl_Android_Initialize(&InEnvContainer, &InClassContainer,
                                              &InInitMethodIDContainer,
                                              &InDisposeMethodIDContainer,
                                              &InGetLibraryVersionMethodIDContainer);
#endif  /* PLATFORM_ANDROID */

    return Result;
}