/*
 * 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.
 */

#pragma once

#ifndef GEODE_PUTALLPARTIALRESULT_H_
#define GEODE_PUTALLPARTIALRESULT_H_

#include <mutex>

#include <ace/RW_Thread_Mutex.h>
#include <ace/Task.h>

#include <geode/CacheableString.hpp>
#include <geode/Serializable.hpp>

#include "VersionedCacheableObjectPartList.hpp"

namespace apache {
namespace geode {
namespace client {

class PutAllPartialResult final : public Serializable {
 private:
  std::shared_ptr<VersionedCacheableObjectPartList> m_succeededKeys;
  std::shared_ptr<CacheableKey> m_firstFailedKey;
  std::shared_ptr<Exception> m_firstCauseOfFailure;
  int32_t m_totalMapSize;
  ACE_RW_Thread_Mutex g_readerWriterLock;

 public:
  PutAllPartialResult(int totalMapSize, std::recursive_mutex& responseLock);
  ~PutAllPartialResult() noexcept final {}

  void setTotalMapSize(int totalMapSize) { m_totalMapSize = totalMapSize; }

  // Add all succeededKeys and firstfailedKey.
  // Before calling this, we must read PutAllPartialResultServerException and
  // formulate obj of type PutAllPartialResult.
  void consolidate(std::shared_ptr<PutAllPartialResult> other);

  std::shared_ptr<Exception> getFailure() { return m_firstCauseOfFailure; }

  void addKeysAndVersions(
      std::shared_ptr<VersionedCacheableObjectPartList> keysAndVersion);

  void addKeys(
      std::shared_ptr<std::vector<std::shared_ptr<CacheableKey>>> m_keys);

  void saveFailedKey(std::shared_ptr<CacheableKey> key,
                     std::shared_ptr<Exception> cause) {
    if (key == nullptr) {
      return;
    }
    // TODO:: Do we need to handle server cancelException.
    if (m_firstFailedKey == nullptr /*|| cause instanceof CaccelException */) {
      m_firstFailedKey = key;
      m_firstCauseOfFailure = cause;
    }
  }

  std::shared_ptr<VersionedCacheableObjectPartList>
  getSucceededKeysAndVersions();

  // Returns the first key that failed
  std::shared_ptr<CacheableKey> getFirstFailedKey() { return m_firstFailedKey; }

  // Returns there's failedKeys
  bool hasFailure() { return m_firstFailedKey != nullptr; }

  // Returns there's saved succeed keys
  bool hasSucceededKeys();

  virtual std::string toString() const final {
    char msgStr1[1024];
    if (m_firstFailedKey != nullptr) {
      std::snprintf(msgStr1, 1024, "[ Key =%s ]",
                    m_firstFailedKey->toString().c_str());
    }

    char msgStr2[1024];
    if (m_totalMapSize > 0) {
      // TODO:: impl. CacheableObjectPartList.size();
      int failedKeyNum = m_totalMapSize - m_succeededKeys->size();
      if (failedKeyNum > 0) {
        std::snprintf(
            msgStr2, 1024,
            "The putAll operation failed to put %d out of %d entries ",
            failedKeyNum, m_totalMapSize);
      } else {
        std::snprintf(
            msgStr2, 1024,
            "The putAll operation successfully put %d out of %d entries ",
            m_succeededKeys->size(), m_totalMapSize);
      }
    }

    char stringBuf[7000];
    std::snprintf(stringBuf, 7000, "PutAllPartialResult: %s%s", msgStr1,
                  msgStr2);
    return std::string(stringBuf);
  }
};

}  // namespace client
}  // namespace geode
}  // namespace apache

#endif  // GEODE_PUTALLPARTIALRESULT_H_