#ifndef _SOLAR_CELL_HELPER_H__
#define _SOLAR_CELL_HELPER_H__

#include <QDebug>
#include <windows.h>
#include <QImage>
#include <QFileInfo>
#include <QFileInfoList>
#include <QDir>


namespace solarCell
{
    class SolarCellHelper
    {
    public:
        static inline qint64 GetDiskFreeSpace(QString strDriver)
        {
            LPCWSTR lpcwstrDriver = (LPCWSTR)strDriver.utf16();

            ULARGE_INTEGER liFreeBytesAvailable, liTotalBytes, liTotalFreeBytes;

            if (!GetDiskFreeSpaceEx(lpcwstrDriver, &liFreeBytesAvailable, &liTotalBytes, &liTotalFreeBytes))
            {
                qWarning() << "ERROR: Call to GetDiskFreeSpaceEx() failed.";
                return 0;
            }

            //返回MB
            return (quint64)liTotalFreeBytes.QuadPart / 1024 / 1024;
        }
        static inline void GetFileInfoList(QFileInfoList& fileInfoList, QString strFolder)
        {
            QDir qDir(strFolder);
			QFileInfoList filesListTmp = qDir.entryInfoList(QDir::Files | QDir::NoDotAndDotDot, QDir::Time);
            fileInfoList += filesListTmp;

            QStringList dirList = qDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
            for (int i = 0; i < dirList.size(); i++)
            {
                GetFileInfoList(fileInfoList, strFolder + "/" + dirList.at(i));
            }
        }

		static inline void GetDirInfoList_child(QFileInfoList& dirInfoList, QString strFolder)
		{
			QDir qDir(strFolder);
			QFileInfoList filesListTmp = qDir.entryInfoList(QDir::Dirs, QDir::Time);
			dirInfoList += filesListTmp;

			QStringList dirList = qDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
			for (int i = 0; i < dirList.size(); i++)
			{
				GetDirInfoList_child(dirInfoList, strFolder + "/" + dirList.at(i));
			}
		}

		static inline void GetDirInfoList_root(QFileInfoList& dirInfoList, QString strFolder)
		{
			QDir qDir(strFolder);
			QFileInfoList filesListTmp = qDir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Time);
			dirInfoList += filesListTmp;
		}

		static inline bool DelDiretory(const QString &dirPath)
		{
			if (dirPath.isEmpty())
				return false;
			QDir qDir(dirPath);
			if (!qDir.exists())
				return true;
			qDir.setFilter(QDir::AllEntries | QDir::NoDotAndDotDot);
			QFileInfoList qFileList = qDir.entryInfoList();
			foreach(QFileInfo qFileInfo, qFileList)
			{
				if (qFileInfo.isFile())
					qFileInfo.dir().remove(qFileInfo.fileName());
				else
					DelDiretory(qFileInfo.absoluteFilePath());
			}
			return qDir.rmpath(qDir.absolutePath());
		}


    };//Class SolarCellHelper

}
#endif//_SOLAR_CELL_HELPER_H__