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/*
 * Copyright (c) 2017 Cisco and/or its affiliates.
 * Licensed 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.
 */

#ifndef QUERY_HPP
#define QUERY_HPP

#include <string>
#include <list>
#include <vector>
#include <map>

#include "json.h"

typedef struct QueryKeys {
  static const std::string ACTION;
  static const std::string OBJECT_NAME;
  static const std::string FILTER;
  static const std::string PARAMS;
  static const std::string FIELD_NAMES;
  static const std::string LAST;
} QueryKeys;

// for convenience
typedef nlohmann::json Json2;

class Query
{
public:
  Query();

  Query(const std::string& action,
        const std::string& objectName,
        const std::list<std::vector<std::string>>& filter,
        const std::map<std::string, std::string>& params,
        const std::list<std::string>& fields,
        bool last);

  static Query
  fromJsonString(const std::string &jsonString);

  static void
  removeQuotes(std::string& string);

  static std::string
  toJsonString(const Query &query);

  static std::string
  toJsonString(const std::string& action,
               const std::string& objectName,
               const std::list<std::vector<std::string>>& filter,
               const std::map<std::string, std::string>& params,
               const std::list<std::string>& fields,
               bool last);

  std::string
  toJsonString();

  const std::string&
  getAction() const;

  void
  setAction(const std::string &action);

  const std::string&
  getObjectName() const;

  void
  setObjectName(const std::string &objectName);

  const std::list<std::vector<std::string>>&
  getFilter() const;

  void
  setFilter(const std::list<std::vector<std::string>>& filter);

  const std::map<std::string, std::string>&
  getParams() const;

  void
  setParams(const std::map<std::string, std::string>& params);

  const std::list<std::string>&
  getFields() const;

  void
  setFields(const std::list<std::string>& fields);

  bool
  isLast() const;

  void
  setLast(int last);

  bool
  isEmpty();

private:
  Json2 query;

  std::string action;
  std::string objectName;
  std::list<std::vector<std::string>> filter;
  std::map<std::string, std::string> params;
  std::list<std::string> fields;
  bool last;
};


#endif //QUERY_HPP