#include "FloatValue.h"

#include "FloatType.h"
#include "Constants.h"
#include "Range.h"
#include "Limit.h"

#include <sstream>
#include <cfloat>
#include <valarray>

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

		FloatValue::~FloatValue()
		{
		}

		void FloatValue::setValue(float value)
		{
			Databoard::Type::FloatType* floatType = dynamic_cast<Databoard::Type::FloatType*>(dataBoard);

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

		float FloatValue::getValue()
		{
			return value;
		}

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

			std::stringstream oss;

			oss << value;

			oss >> s;

			//if(unit.size() != 0)
			//{
			//	s += "(Unit=\"" + unit + "\")";
			//}

			return s;
		}

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

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

		}

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

			Databoard::Type::FloatType* floatType = (Databoard::Type::FloatType*)dataBoard;

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

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

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

			if(floatType->getRange()->getUpper()->getInclusive() == true)
			{
				if(value > maxValue)
				{
					return std::string("FloatValue: ") + STR_ERROR_VALUE_LARGE;
				}
			}
			else //if(integerType->getRange()->getUpper()->getInclusive() == false)
			{
				if(value > maxValue || (abs(value-minValue) > FLT_EPSILON))
				{
					return std::string("FloatValue: ") + STR_ERROR_VALUE_LARGE;
				}
			}

			return STR_EMPTY;
		}
	}
}