#include "CCtrlNikiraPMA.h"
#include <QRegularExpression>
CtrlNikiraPMA::CtrlNikiraPMA()
{
	m_iBaudRate = 115200;
	m_pSerialPort = new QSerialPort;
}

CtrlNikiraPMA::~CtrlNikiraPMA()
{
	delete m_pSerialPort;
}

double CtrlNikiraPMA::ConvertDateToEpoch(const QString& qstrDateTime)
{
    QDateTime dateTime = QDateTime::fromString(qstrDateTime, "yyyyMMdd-hh:mm:ss.zzz");
    if (!dateTime.isValid()) 
    {
        throw std::invalid_argument("Invalid date format");
    }


    return dateTime.toMSecsSinceEpoch() / 1000.0;
}

QVector<double> CtrlNikiraPMA::ParseData(const QString& qstrData)
{
	return QVector<double>();
}

QString CtrlNikiraPMA::FindCompleteFrame()
{
	
	int firstValidCharPos = -1;
	for (int i = 0; i < m_qbRecv.size(); ++i) 
	{
		if (m_qbRecv[i] != '\x00' && m_qbRecv[i] != '\r') 
		{
			firstValidCharPos = i;
			break;
		}
	}

	if (firstValidCharPos == -1) 
	{
		return QString();
	}

	QByteArray validData = m_qbRecv.mid(firstValidCharPos);

	int endPos = validData.lastIndexOf("OK\r");
	if (endPos == -1)
	{
		return QString(); 
	}


	// 查找时间戳开头，确保是从时间戳开始到 OK\r 结束
	QRegularExpression timeStampRegex(R"(\d{8}-\d{2}:\d{2}:\d{2}\.\d{3})");
	QRegularExpressionMatch match = timeStampRegex.match(QString::fromLatin1(validData));

	int startPos = match.capturedStart();
	if (!match.hasMatch() || startPos >= endPos)
	{
		return QString(); 
	}


	QString completeFrame = QString::fromLatin1(validData.mid(startPos, endPos - startPos + 3));

	
	m_qbRecv.remove(0, firstValidCharPos + endPos + 3); 
	//qDebug() << m_qbRecv;
	//qDebug() << completeFrame;
	return completeFrame; 

	////QRegularExpression frameRegex(R"((\d{8}-\d{2}:\d{2}:\d{2}\.\d{3},(-?\d+(\.\d+)?)(,-?\d+(\.\d+)?)*,OK\r))");
	//QRegularExpression frameRegex("(\\d{8}-\\d{2}:\\d{2}:\\d{2}\\.\\d{3}.*?OK)");
	//qDebug() << m_qbRecv;
	//QRegularExpressionMatch match = frameRegex.match(QString::fromUtf8(m_qbRecv));
	//if (match.hasMatch()) 
	//{
	//	QString completeFrame = match.captured(1);
	//	m_qbRecv.remove(0, match.capturedEnd(1));
	//	//qDebug() << "Removed"<< m_qbRecv <<endl;
	//	return completeFrame;
	//}
	//return QString();  
}



int CtrlNikiraPMA::Initialize(std::string ucPortNumber)
{
	QString qstrPortName = QString::fromStdString(ucPortNumber);

	m_pSerialPort->setPortName(qstrPortName);
	m_pSerialPort->setReadBufferSize(512);

	bool bRes = m_pSerialPort->setBaudRate(m_iBaudRate);
	if (!bRes)
	{
		qDebug() << "Err:setBaudRate Failed.Exit Code:1";
		return 1;
	}

	bRes = m_pSerialPort->open(QIODevice::ReadWrite);
	if (!bRes)
	{
		qDebug() << "nikira,Err:open Failed.Exit Code:2";
		return 2;
	}

	m_qbRecv.clear();

	return 0;
}

QString CtrlNikiraPMA::GetLastValidDataFrame(double& dCH4, double& dH2O)
{
	m_qbRecv.clear();
	int iFlag = 1;
	//qDebug() << "enter GetLastValidDataFrame";
	while (iFlag)
	{
		//qDebug() << "enter GetLastValidDataFrame while";
		m_pSerialPort->waitForReadyRead(1000);
		QByteArray data = m_pSerialPort->readAll();
		m_qbRecv.append(data);
		//qDebug() <<"Append:" << m_qbRecv << endl;
		QString qstrFrame = FindCompleteFrame();
		if (!qstrFrame.isEmpty())
		{
			//if (qstrFrame.endsWith("OK\\r"))
			//{
				QStringList values = qstrFrame.split(',');
				if (values.size() >= 5)
				{
					QString methane = values[2];
					QString waterVapor = values[3];

					dCH4 = methane.toDouble();
					dH2O = waterVapor.toDouble();
					iFlag = 0;
				}
					//qDebug() <<"FULL:" << qstrFrame << endl;
				return qstrFrame;
			//}
		}
	}
	return 0;
}