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/*
 * Copyright (c) 2014, Ford Motor Company
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * Neither the name of the Ford Motor Company nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SRC_COMPONENTS_SMART_OBJECTS_INCLUDE_SMART_OBJECTS_NUMBER_SCHEMA_ITEM_H_
#define SRC_COMPONENTS_SMART_OBJECTS_INCLUDE_SMART_OBJECTS_NUMBER_SCHEMA_ITEM_H_

#include <typeinfo>

#include "utils/shared_ptr.h"
#include "smart_objects/default_shema_item.h"
#include "smart_objects/schema_item_parameter.h"

namespace NsSmartDeviceLink {
namespace NsSmartObjects {
/**
 * @brief Number schema item.
 * @tparam NumberType Number type.
 **/
template<typename NumberType>
class TNumberSchemaItem : public CDefaultSchemaItem<NumberType> {
 public:
  /**
   * @brief Create a new schema item.
   * @param MinValue Minimum allowed value.
   * @param MaxValue Maximum allowed value.
   * @param DefaultValue Default value.
   * @return Shared pointer to a new schema item.
   **/
  static utils::SharedPtr<TNumberSchemaItem> create(
    const TSchemaItemParameter<NumberType>& MinValue = TSchemaItemParameter <NumberType > (),
    const TSchemaItemParameter<NumberType>& MaxValue = TSchemaItemParameter <NumberType > (),
    const TSchemaItemParameter<NumberType>& DefaultValue =
      TSchemaItemParameter<NumberType>());

  /**
   * @brief Validate smart object.
   * @param Object Object to validate.
   * @return NsSmartObjects::Errors::eType
   **/
  Errors::eType validate(const SmartObject& Object) OVERRIDE;

 private:
  /**
   * @brief Get smart type for this NumberType.
   * @return Smart type for this NumberType.
   **/
  SmartType getSmartType() const OVERRIDE;
  NumberType getDefaultValue() const OVERRIDE;
  /**
   * @brief Constructor.
   *
   * @param MinValue Minimum allowed value.
   * @param MaxValue Maximum allowed value.
   * @param DefaultValue Default value.
   **/
  TNumberSchemaItem(const TSchemaItemParameter<NumberType>& MinValue,
                    const TSchemaItemParameter<NumberType>& MaxValue,
                    const TSchemaItemParameter<NumberType>& DefaultValue);
  bool isNumberType(SmartType type);

  /**
   * @brief Minimum and Maximum allowed values.
   **/
  const TSchemaItemParameter<NumberType> mMinValue;
  const TSchemaItemParameter<NumberType> mMaxValue;
  DISALLOW_COPY_AND_ASSIGN(TNumberSchemaItem);
};

template<typename NumberType>
utils::SharedPtr<TNumberSchemaItem<NumberType> >
TNumberSchemaItem<NumberType>::create(
  const TSchemaItemParameter<NumberType>& MinValue,
  const TSchemaItemParameter<NumberType>& MaxValue,
  const TSchemaItemParameter<NumberType>& DefaultValue) {
  return new TNumberSchemaItem<NumberType>(MinValue, MaxValue, DefaultValue);
}

template<typename NumberType>
bool TNumberSchemaItem<NumberType>::isNumberType(SmartType type) {
  return SmartType_Integer == type || SmartType_Double == type;
}

template<typename NumberType>
Errors::eType TNumberSchemaItem<NumberType>::validate(const SmartObject& Object) {
  if (!isNumberType(Object.getType())) {
    return Errors::INVALID_VALUE;
  }
  NumberType value;
  if (typeid(int32_t) == typeid(value)) {
    value = Object.asInt();
  } else if (typeid(uint32_t) == typeid(value)) {
    value = Object.asUInt();
  } else if (typeid(double) == typeid(value)) {
    value = Object.asDouble();
  } else if (typeid(int64_t) == typeid(value)) {
    value = Object.asInt64();
  } else {
    NOTREACHED();
  }

  NumberType rangeLimit;
  if (mMinValue.getValue(rangeLimit) && (value < rangeLimit)) {
    return Errors::OUT_OF_RANGE;
  }

  if (mMaxValue.getValue(rangeLimit) && (value > rangeLimit)) {
    return Errors::OUT_OF_RANGE;
  }
  return Errors::OK;
}

template<typename NumberType>
TNumberSchemaItem<NumberType>::TNumberSchemaItem(
  const TSchemaItemParameter<NumberType>& MinValue,
  const TSchemaItemParameter<NumberType>& MaxValue,
  const TSchemaItemParameter<NumberType>& DefaultValue)
  : CDefaultSchemaItem<NumberType>(DefaultValue),
    mMinValue(MinValue),
    mMaxValue(MaxValue) {
}

template<typename NumberType>
NumberType TNumberSchemaItem<NumberType>::getDefaultValue() const {
  return NumberType(0);
}

/**
 * @brief Specialization of getSmartType for number types.
 * @return SmartType.
 **/
template<typename NumberType>
SmartType TNumberSchemaItem<NumberType>::getSmartType() const {
  DCHECK(!"Wrong type of template class");
  return SmartType_Invalid;
}
template<>
SmartType TNumberSchemaItem<int32_t>::getSmartType() const;

template<>
SmartType TNumberSchemaItem<uint32_t>::getSmartType() const;

template<>
SmartType TNumberSchemaItem<uint32_t>::getSmartType() const;

template<>
SmartType TNumberSchemaItem<double>::getSmartType() const;

}  // namespace NsSmartObjects
}  // namespace NsSmartDeviceLink
#endif  // SRC_COMPONENTS_SMART_OBJECTS_INCLUDE_SMART_OBJECTS_NUMBER_SCHEMA_ITEM_H_