#include "NumberSourceDataModel.hpp"

#include "DecimalData.hpp"

#include <QtCore/QJsonValue>
#include <QtGui/QDoubleValidator>
#include <QtWidgets/QLineEdit>

NumberSourceDataModel::
NumberSourceDataModel()
	: _lineEdit{ nullptr }
{
}


QJsonObject
NumberSourceDataModel::
save() const
{
	QJsonObject modelJson = NodeDataModel::save();

	if (_number)
		modelJson["number"] = QString::number(_number->number());

	return modelJson;
}


void
NumberSourceDataModel::
restore(QJsonObject const& p)
{
	QJsonValue v = p["number"];

	if (!v.isUndefined())
	{
		QString strNum = v.toString();

		bool   ok;
		double d = strNum.toDouble(&ok);
		if (ok)
		{
			_number = std::make_shared<DecimalData>(d);
			_lineEdit->setText(strNum);
		}
	}
}

unsigned int
NumberSourceDataModel::
nPorts(PortType portType) const
{
	unsigned int result = 1;

	switch (portType)
	{
	case PortType::In:
		result = 0;
		break;

	case PortType::Out:
		result = 1;

	default:
		break;
	}

	return result;
}


void
NumberSourceDataModel::
onTextEdited(QString const& string)
{
	Q_UNUSED(string);

	bool ok = false;

	double number = _lineEdit->text().toDouble(&ok);

	if (ok)
	{
		_number = std::make_shared<DecimalData>(number);

		Q_EMIT dataUpdated(0);
	}
	else
	{
		Q_EMIT dataInvalidated(0);
	}
}


NodeDataType
NumberSourceDataModel::
dataType(PortType, PortIndex) const
{
	return DecimalData().type();
}


std::shared_ptr<NodeData>
NumberSourceDataModel::
outData(PortIndex)
{
	return _number;
}


QWidget*
NumberSourceDataModel::
embeddedWidget()
{
	if (!_lineEdit)
	{
		_lineEdit = new QLineEdit();

		_lineEdit->setValidator(new QDoubleValidator());
		_lineEdit->setMaximumSize(_lineEdit->sizeHint());

		connect(_lineEdit, &QLineEdit::textChanged,
			this, &NumberSourceDataModel::onTextEdited);

		_lineEdit->setText("0.0");
	}

	return _lineEdit;
}