#include "SaveMode.h"
#include <stdio.h>
#include <stdlib.h>
bool SaveMode::uploadFile()
{    
	/**
	   you can choose any zip file of size 3-4 Mb.
	   Just incase if server indicates that authenticationKey is wrong,
	   please comment me for a new one.
	   This code runs in MacOsX already but not on windows 10.
	*/
    QString filename="test.zip";
	QUrl serviceUrl = QUrl("http://woden-api.mvm-test.com/boschar/ProductQR/Create");
	QString authenticationKey="eyJJZCI6MSwiU2l0ZUlkIjoxLCJCcmFuZElkIjoyLCJTaXRlTmFtZSI6IkJvc2NoIEFSIiwiVXNlck5hbWUiOiJib3NjaGFyIiwiUGFzc3dvcmQiOiIxMjMiLCJDdWx0dXJlSW5mbyI6IlRSIiwiVXJsQWxpYXMiOiJib3NjaGFyIiwiRGF0ZSI6IjIwMTctMDEtMjRUMjM6NTI6MTUuMDE5MDczNCswMzowMCJ9";
    QErrorMessage msg;

    QFile *file=new QFile(filename);
    if(!file->open(QIODevice::ReadOnly| QIODevice::Unbuffered))
    {
        msg.showMessage("File is not found upload is unsuccesfull");
        msg.exec();
        return false;
    }
    
    uploadProgressBar = new QProgressDialog("Uploading file...", "cancel", 0, 100);
	
	QHttpMultiPart *multiPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);      
	QHttpPart productIDpart;
	productIDpart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"ProductId\""));
	productIDpart.setBody("123");
	multiPart->append(productIDpart);


	QHttpPart versionPart;
	versionPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"Version\""));
	versionPart.setBody("100");
	multiPart->append(versionPart);

	QHttpPart filePart;
	filePart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("application/zip"));
	filePart.setHeader(QNetworkRequest::ContentDispositionHeader,
					   QVariant("form-data; name=\"File\";filename=\"test.zip\" "));
	filePart.setBodyDevice(file);
	file->setParent(multiPart); // we cannot delete the file now, so delete it with the multiPart
	multiPart->append(filePart);

	QHttpPart descriptionPart;
	descriptionPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"Description\""));
	descriptionPart.setBody("some description");
	multiPart->append(descriptionPart);

	
	QNetworkAccessManager *manager =new QNetworkAccessManager();

	QNetworkRequest request(serviceUrl);
	request.setRawHeader( "AuthenticationKey",authenticationKey.toUtf8());
	QEventLoop eventLoop;
	QNetworkReply *reply = manager->post(request, multiPart);
	connect(uploadProgressBar, SIGNAL(canceled()),reply,SLOT(abort()));
	connect(reply, SIGNAL(uploadProgress(qint64, qint64)),this,SLOT(uploadProgress(qint64, qint64)));
	connect(reply, SIGNAL(finished()), &eventLoop, SLOT(quit()));
	connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(error(QNetworkReply::NetworkError)));
	connect(reply, SIGNAL(sslErrors(const QList<QSslError>)), this, SLOT(error(const QList<QSslError>)));
	connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),&eventLoop, SLOT(quit()));
	connect(reply, SIGNAL(sslErrors(const QList<QSslError>)), &eventLoop, SLOT(quit()));		
	multiPart->setParent(reply); // delete the multiPart with the reply
	eventLoop.exec();
	if (reply->error() == QNetworkReply::NoError)
	{
		
		QString strReply = (QString)reply->readAll();
		
		//parse json
		qDebug() << "Response:" << strReply;
		QJsonDocument jsonResponse = QJsonDocument::fromJson(strReply.toUtf8());
		QJsonObject jsonObj = jsonResponse.object();
		QJsonObject result=jsonObj["result"].toObject();
		
		if(jsonObj["error"].toBool()==false)
		{
			QJsonObject data=result["data"].toObject();
			QrLink=data["QrLink"].toString();
			QMessageBox msgBox;
			msgBox.setText("Upload successfull");
			msgBox.exec();
		}
		else
		{
			QErrorMessage msg;
			msg.showMessage("Error:There was a problem during upload.");
			msg.exec();
		}
		delete reply;
		
	}
	else
	{
		QErrorMessage msg;
		int errCode = reply->error();
		msg.showMessage("Error:Upload couldn't be started,error code:"+ QString::number(errCode));
		msg.exec();
	}

	return true;
}
void SaveMode::error(const QList<QSslError> &errors)
{
	qDebug() << errors;

}
void SaveMode::error(QNetworkReply::NetworkError error)
{
	qDebug() << error;
}
void SaveMode::uploadProgress(qint64 a, qint64 b)
{
    if (b > 0) 
	{
        float per=100*a/b;
        uploadProgressBar->setValue(per);
        qDebug() << "Uploading " << a  << "/" << b << "%" << per;
        qApp->processEvents();
    }
}