/*
 * 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_STATISTICS_GEODESTATISTICSFACTORY_H_
#define GEODE_STATISTICS_GEODESTATISTICSFACTORY_H_

#include <mutex>
#include <unordered_map>
#include <vector>

#include <geode/ExceptionTypes.hpp>
#include <geode/internal/geode_globals.hpp>

#include "../util/synchronized_map.hpp"
#include "StatisticsFactory.hpp"
#include "StatisticsManager.hpp"
#include "StatisticsTypeImpl.hpp"

namespace apache {
namespace geode {
namespace statistics {

class StatisticsManager;

/**
 * Geode's implementation of {@link StatisticsFactory}.
 *
 */
class GeodeStatisticsFactory : public StatisticsFactory {
  std::string m_name;

  int64_t m_id;

  StatisticsManager* m_statMngr;

  int64_t m_statsListUniqueId;

  std::recursive_mutex m_statsListUniqueIdLock;

  /* Maps a stat name to its StatisticDescriptor*/
  apache::geode::client::synchronized_map<
      std::unordered_map<std::string, StatisticsTypeImpl*>,
      std::recursive_mutex>
      statsTypeMap;

  StatisticsTypeImpl* addType(StatisticsTypeImpl* t);

 public:
  explicit GeodeStatisticsFactory(StatisticsManager* statMngr);
  ~GeodeStatisticsFactory() override;

  const std::string& getName() const override;

  int64_t getId() const override;

  Statistics* createStatistics(StatisticsType* type) override;

  Statistics* createStatistics(StatisticsType* type,
                               const std::string& textId) override;

  Statistics* createStatistics(StatisticsType* type, const std::string& textId,
                               int64_t numericId) override;

  Statistics* createOsStatistics(StatisticsType* type,
                                 const std::string& textId, int64_t numericId);

  Statistics* createAtomicStatistics(StatisticsType* type) override;

  Statistics* createAtomicStatistics(StatisticsType* type,
                                     const std::string& textId) override;

  Statistics* createAtomicStatistics(StatisticsType* type,
                                     const std::string& textId,
                                     int64_t numericId) override;

  StatisticsType* createType(
      const std::string& name, const std::string& description,
      std::vector<std::shared_ptr<StatisticDescriptor>> stats) override;

  StatisticsType* findType(const std::string& name) const override;

  std::shared_ptr<StatisticDescriptor> createIntCounter(
      const std::string& name, const std::string& description,
      const std::string& units, bool largerBetter) override;

  std::shared_ptr<StatisticDescriptor> createLongCounter(
      const std::string& name, const std::string& description,
      const std::string& units, bool largerBetter) override;

  std::shared_ptr<StatisticDescriptor> createDoubleCounter(
      const std::string& name, const std::string& description,
      const std::string& units, bool largerBetter) override;

  std::shared_ptr<StatisticDescriptor> createIntGauge(
      const std::string& name, const std::string& description,
      const std::string& units, bool largerBetter) override;

  std::shared_ptr<StatisticDescriptor> createLongGauge(
      const std::string& name, const std::string& description,
      const std::string& units, bool largerBetter) override;

  std::shared_ptr<StatisticDescriptor> createDoubleGauge(
      const std::string& name, const std::string& description,
      const std::string& units, bool largerBetter) override;

  Statistics* findFirstStatisticsByType(
      const StatisticsType* type) const override;
};

}  // namespace statistics
}  // namespace geode
}  // namespace apache

#endif  // GEODE_STATISTICS_GEODESTATISTICSFACTORY_H_