#include "DoubleValue.h"

#include "DoubleType.h"
#include "Constants.h"

#include "Range.h"
#include "Limit.h"

#include <sstream>
#include <iomanip>
#include <iostream>
#include <valarray>
#include <cfloat>

namespace Databoard {
	namespace Value {
		DoubleValue::DoubleValue(Databoard::Type::DataType* dataBoard) : Value(dataBoard)
		{
		}

		DoubleValue::~DoubleValue()
		{
		}

		void DoubleValue::setValue(double value)
		{
			Databoard::Type::DoubleType* doubleType = dynamic_cast<Databoard::Type::DoubleType*>(dataBoard);

			if(doubleType != NULL)
			{
				this->value = value;
			}
		}

		double DoubleValue::getValue()
		{
			return value;
		}

		std::string DoubleValue::writeOut(int /*indent*/)
		{
			std::string s;

			std::stringstream oss;

			//oss.setf(std::ios::fixed);

			oss << value;

			oss >> s;

			return s;
		}

		bool DoubleValue::equals(const Value* other)
		{
			DoubleValue* o = (DoubleValue*)other;

			return (this->value < o->value);
		}

		std::string DoubleValue::isValid()
		{
			if(dataBoard == NULL)
			{
				return "There is no datatype.";
			}

			Databoard::Type::DoubleType* doubleType = (Databoard::Type::DoubleType*)dataBoard;

			if(doubleType->getRange() == NULL)
			{
				return STR_EMPTY;
			}

			double minValue = doubleType->minValue();
			double maxValue = doubleType->maxValue();

			if(doubleType->getRange()->getLower()->getInclusive() == true)
			{
				if(value < minValue)
				{
					return std::string("DoubleValue: ") + STR_ERROR_VALUE_SMALL;
				}
			}
			else //if(integerType->getRange()->getLower()->getInclusive() == false)
			{
				if(value < minValue || (abs(value-minValue) < DBL_EPSILON))
				{
					return std::string("DoubleValue: ") + STR_ERROR_VALUE_SMALL;
				}
			}

			if(doubleType->getRange()->getUpper()->getInclusive() == true)
			{
				if(value > maxValue)
				{
					return std::string("DoubleValue: ") + STR_ERROR_VALUE_LARGE;
				}
			}
			else //if(integerType->getRange()->getUpper()->getInclusive() == false)
			{
				double d1 = abs(value-maxValue);
				double d2 = DBL_EPSILON;

				if(value > maxValue || (abs(value-maxValue) < DBL_EPSILON))
				{
					return std::string("DoubleValue: ") + STR_ERROR_VALUE_LARGE;
				}
			}

			return STR_EMPTY;
		}
	}
}