#include "OptionalValue.h"

#include "Constants.h"

namespace Databoard {
	namespace Value {
		OptionalValue::OptionalValue(Databoard::Type::DataType* dataBoard) : Value(dataBoard)
		{
			this->value = NULL;
		}

		OptionalValue::~OptionalValue()
		{
			if(value != NULL)
			{
				delete value;
				
				value = NULL;
			}
		}

		void OptionalValue::setValue(Value* value)
		{
			if(this->value != NULL)
			{
				delete this->value;
				
				this->value = NULL;
			}

			this->value = value;
		}

		void OptionalValue::setNoValue()
		{
			if(value != NULL)
			{
				delete value;
				
				value = NULL;
			}
		}

		Value* OptionalValue::getValue()
		{
			return value;
		}

		bool OptionalValue::hasValue()
		{
			return (value != NULL);
		}

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

			if(value != NULL)
			{
				s += value->writeOut();
			}

			return s;
		}

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

			if(hasValue() != o->hasValue())
			{
				return hasValue();
			}

			return value->equals(o->value);
		}

		std::string OptionalValue::isValid()
		{
			if(hasValue() == true)
			{
				return value->isValid();
			}

			return STR_EMPTY;
		}
	}
}