// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#include "Clr2JavaImpl.h"

namespace Org {
  namespace Apache {
    namespace REEF {
      namespace Driver {
        namespace Bridge {
          namespace Clr2java {
            ref class ManagedLog {
            internal:
              static BridgeLogger^ LOGGER = BridgeLogger::GetLogger("<C++>");
            };

            SuspendedTaskClr2Java::SuspendedTaskClr2Java(JNIEnv *env, jobject jobjectSuspendedTask) {
              ManagedLog::LOGGER->LogStart("SuspendedTaskClr2Java::SuspendedTaskClr2Java");
              pin_ptr<JavaVM*> pJavaVm = &_jvm;
              if (env->GetJavaVM(pJavaVm) != 0) {
                ManagedLog::LOGGER->LogError("Failed to get JavaVM", nullptr);
              }
              _jobjectSuspendedTask = reinterpret_cast<jobject>(env->NewGlobalRef(jobjectSuspendedTask));

              jclass jclassSuspendedTask = env->GetObjectClass(_jobjectSuspendedTask);
              _jstringId = CommonUtilities::GetJObjectId(env, _jobjectSuspendedTask, jclassSuspendedTask);
              ManagedLog::LOGGER->LogStop("SuspendedTaskClr2Java::SuspendedTaskClr2Java");
            }

            SuspendedTaskClr2Java::~SuspendedTaskClr2Java() {
              this->!SuspendedTaskClr2Java();
            }

            SuspendedTaskClr2Java::!SuspendedTaskClr2Java() {
              JNIEnv *env = RetrieveEnv(_jvm);
              if (_jobjectSuspendedTask != NULL) {
                env->DeleteGlobalRef(_jobjectSuspendedTask);
              }

              if (_jstringId != NULL) {
                env->DeleteGlobalRef(_jstringId);
              }
            }

            IActiveContextClr2Java^ SuspendedTaskClr2Java::GetActiveContext() {
              ManagedLog::LOGGER->LogStart("SuspendedTaskClr2Java::GetActiveContext");
              JNIEnv *env = RetrieveEnv(_jvm);

              jclass jclassSuspendedTask = env->GetObjectClass(_jobjectSuspendedTask);
              jmethodID jmidGetActiveContext = env->GetMethodID(jclassSuspendedTask, "getActiveContext", "()Lorg/apache/reef/javabridge/ActiveContextBridge;");
              jobject jobjectActiveContext = env->CallObjectMethod(_jobjectSuspendedTask, jmidGetActiveContext);
              ManagedLog::LOGGER->LogStop("SuspendedTaskClr2Java::GetActiveContext");
              return gcnew ActiveContextClr2Java(env, jobjectActiveContext);
            }

            String^ SuspendedTaskClr2Java::GetId() {
              ManagedLog::LOGGER->Log("SuspendedTaskClr2Java::GetId");
              JNIEnv *env = RetrieveEnv(_jvm);
              return ManagedStringFromJavaString(env, _jstringId);
            }

            array<byte>^ SuspendedTaskClr2Java::Get() {
              ManagedLog::LOGGER->Log("SuspendedTaskClr2Java::Get");
              JNIEnv *env = RetrieveEnv(_jvm);
              jclass jclassSuspendedTask = env->GetObjectClass(_jobjectSuspendedTask);
              jmethodID jmidGet = env->GetMethodID(jclassSuspendedTask, "get", "()[B");

              if (jmidGet == NULL) {
                ManagedLog::LOGGER->Log("jmidGet is NULL");
                return nullptr;
              }
              jbyteArray jMessage = (jbyteArray)env->CallObjectMethod(_jobjectSuspendedTask, jmidGet);
              return ManagedByteArrayFromJavaByteArray(env, jMessage);
            }

            void SuspendedTaskClr2Java::OnError(String^ message) {
              ManagedLog::LOGGER->Log("SuspendedTaskClr2Java::OnError");
              JNIEnv *env = RetrieveEnv(_jvm);
              HandleClr2JavaError(env, message, _jobjectSuspendedTask);
            }
          }
        }
      }
    }
  }
}