// DetcGD10Dev.cpp: implementation of the CDetcGD10Dev class.
//
//////////////////////////////////////////////////////////////////////

#include "geomative.h"
#include "DetcGD10Dev.h"
#include <sys/stat.h>
#include "GD10OperCmd.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

#define GD10DEVICE  _T("GD20")
extern SYSTEMTIME g_sysCurTime;
extern int g_iUILanguage;
extern CGeoMativeApp theApp;
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CDetcGD10Dev* CDetcGD10Dev::m_pDetcDev = NULL;
CDetcGD10Dev::CDetcGD10Dev()
{
	m_bGD10DevIsCon = false;
	m_strDevAddr = _T("");
	m_pLogFile = NULL;
	m_pLogFile = fopen("LOG\\detect_gd20_log.txt","ab+");
	if (NULL == m_pLogFile)
	{
		if (LANG_ZHCN == g_iUILanguage)
			AfxMessageBox(_T("打开 detect_gd20_log.txt 失败."));
        else
			MessageBoxEx(NULL, _T("Open detect_gd20_log.txt failed!!!"), STRING_MESSAGEBOXEX_TITLE, MB_OK, MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US));
	}


}

CDetcGD10Dev::~CDetcGD10Dev()
{
	fclose(m_pLogFile);
	m_pLogFile = NULL;

}

CDetcGD10Dev* CDetcGD10Dev::GetInstance()
{
	if (NULL == m_pDetcDev)
	{
		m_pDetcDev = new CDetcGD10Dev();
	}
	return m_pDetcDev;
}

CString CDetcGD10Dev::GetGD10DevAddr()
{
	return m_strDevAddr;
}

void CDetcGD10Dev::DetectGD10Dev()
{
	m_strDevAddr.Empty();
	PrintLog(_T("Now is ready to find gd20-device!"));
	CString strDevName = (EN_MULTI_CHANNEL == theApp.m_ucIsMultiChannel) ? GD10DEVICE : _T("GD10");
	m_strDevAddr = FindUsbDevice(strDevName);
	m_bGD10DevIsCon = m_strDevAddr.IsEmpty() ? false : true;
}

bool CDetcGD10Dev::CompareDriverName(CString strDriName,CString strDriverAddr)
{
	bool bRes = false;
	if (strDriverAddr.IsEmpty())
	{
		PrintLog(_T("Driver address can not be empty!"));
		return bRes;
	}
	
    TCHAR chVolName[MAX_PATH+1];
	TCHAR chFileSys[MAX_PATH+1];
	memset(chVolName, 0, sizeof(TCHAR)*(MAX_PATH+1));
	memset(chFileSys, 0, sizeof(TCHAR)*(MAX_PATH+1));
    CString strText = _T("");
	if (0 == GetVolumeInformation(strDriverAddr,chVolName,MAX_PATH+1,NULL,NULL,NULL,chFileSys,MAX_PATH+1))
	{
		strText.Format(_T("Get Volume Information failed, errorno = %d"),GetLastError());
		PrintLog(strText);
	}
	else
	{
		CString strVal = chVolName;
		strText.Empty();
		strText.Format(_T("Get Volume Information success, volume_name = %s"),strVal);
		bRes = (0 == strVal.Compare(strDriName)) ? true : false;
	}
	return bRes;
}


CString CDetcGD10Dev::FindUsbDevice(CString strDevName)
{
	UINT DiskType;  
	CString strLog;
	CString strText = _T("");
	CString strDir = _T("");
	size_t   szAllDriveStrings   =   GetLogicalDriveStrings(0,NULL);  
	if (0 == szAllDriveStrings)
	{
		ASSERT(0 == szAllDriveStrings);
		return strDir;
	}

	char *pDriveStrings   =   new   char[szAllDriveStrings   +   sizeof(_T( " "))];  
	char *pAddr = pDriveStrings;
	GetLogicalDriveStrings(szAllDriveStrings,pDriveStrings);     
	size_t   szDriveString   =   strlen(pDriveStrings);     
	while(szDriveString   >   0)     
	{         
		DiskType=GetDriveType(pDriveStrings);     
		switch(DiskType)       
		{     
		case   DRIVE_REMOVABLE:     
			{
				strDir.Empty();
				strDir.Format(_T("%s"),pDriveStrings);
				strText.Empty();
				strText.Format(_T("detect removable drive(%s), ready to parser device"),strDir);
				PrintLog(strText);
				//如果名字相等则认为匹配成功
				if (CompareDriverName(strDevName, strDir))
				{
					delete[]pAddr;
					return strDir;
				}
				else 
				{
					//规避有的电脑怎么改，u盘都不是GD10/GD20的问题 by quyx 20180517 //"\SD\equipment\equipment.xml"
					struct _stat fileStat;
					CString str = "\SD\\equipment";
					CString strPath = strDir + str;
					if ((_stat(strPath.GetBuffer(0), &fileStat) == 0) && (fileStat.st_mode & _S_IFDIR))
					{
						delete[]pAddr;
						return strDir;
					}
				}
				break;
			}  
			
		case   DRIVE_FIXED:     
			break;     
		case   DRIVE_REMOTE:       
			break;    
		case   DRIVE_CDROM:     
            break;  
		case   DRIVE_NO_ROOT_DIR:
			{
				strText.Empty();
				strText.Format(_T("Unknow driver string (%s)"),pDriveStrings);
				MessageBoxEx(NULL, strText, STRING_MESSAGEBOXEX_TITLE, MB_OK, MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US));
				break;
//				return _T("");
			}
		default:
			break;
			
		}  
		
		pDriveStrings   +=   szDriveString   +   1;     
		szDriveString   =   strlen(pDriveStrings);     
	}  
	delete []pAddr;
	return _T("");
	
}

void CDetcGD10Dev::PrintLog(CString strLog)
{
	if (NULL == m_pLogFile)
	{
		MessageBox(NULL, "can't write device_log, log File point is NULL", "LOG_ERROR", MB_OK);
		return;
	}
	CString strOutPut = _T("");
	strOutPut.Format(_T("%04d-%02d-%02d %02d:%02d:%02d.%03d  %s \r\n"),g_sysCurTime.wYear, g_sysCurTime.wMonth, g_sysCurTime.wDay,
		g_sysCurTime.wHour, g_sysCurTime.wMinute, g_sysCurTime.wSecond, g_sysCurTime.wMilliseconds, strLog.GetBuffer(0));
	fwrite(strOutPut.GetBuffer(0), 1, strOutPut.GetLength(), m_pLogFile);
	fflush(m_pLogFile);
}