#pragma once

#include "GdiplusNew.h"
#include <functional>
using namespace Gdiplus;

// COTSHelper command target
namespace OTSTools {

#ifdef UNICODE
#define isdigit_t iswdigit
#else
#define isdigit_t isdigit
#endif
	class ScopeGuard
	{
	public:
		explicit ScopeGuard(std::function<void()> onExitScope)
			: onExitScope_(onExitScope), dismissed_(false)
		{ }

		~ScopeGuard()
		{
			if (!dismissed_)
			{
				onExitScope_();
			}
		}

		void Dismiss()
		{
			dismissed_ = true;
		}

	private:
		std::function<void()> onExitScope_;
		bool dismissed_;

	private: // noncopyable
		ScopeGuard(ScopeGuard const&);
		ScopeGuard& operator=(ScopeGuard const&);
	};
#define SCOPEGUARD_LINENAME_CAT(name, line) name##line
#define SCOPEGUARD_LINENAME(name, line) SCOPEGUARD_LINENAME_CAT(name, line)

#define ON_SCOPE_EXIT(callback) ScopeGuard SCOPEGUARD_LINENAME(EXIT, __LINE__)(callback)
	class __declspec(dllexport) COTSHelper 
	{
	protected:

		COTSHelper();
		~COTSHelper();

	public:

		// gets the name of the folder
		static CString GetFolderName(CString a_strPathName);

		// get file name without extension
		static CString GetFileNameWithoutExtension(CString a_strPathName);

		// Gets the name of the file
		static CString GetFileName(LPCTSTR a_strPathName);

		// get file extension
		static CString GetFileExtension(LPCTSTR a_strPathName);

		// get system error string
		static LPCTSTR GetSystemErrorString(DWORD a_nErr);

		// Strings to int.
		static BOOL StringToInt(LPCTSTR a_sValue, int& a_nValue);

		// Strings to double
		static BOOL StringToDouble(LPCTSTR a_sValue, double& a_nValue);

		// is digit string
		static BOOL IsDigitString(LPCTSTR a_sValue);

		// is double string
		static BOOL IsDoubleString(LPCTSTR a_sValue);

		// is CTRL key pressed 
		static BOOL IsCtrlKeyPressed();

		// is shift key pressed 
		static BOOL IsShiftKeyPressed();

		// Saves the bitmap to file.
 		static BOOL SaveBitmapToFile(Gdiplus::Bitmap* a_pBitmap, LPCTSTR a_pFileName);

		// Saves the bitmap to file.
		static BOOL SaveBitmapToStream(Gdiplus::Bitmap* a_pBitmap, LPCTSTR a_pFileType, IStream *a_stream);

		// Get encoder CLSID
		// following code from http://msdn.microsoft.com/en-us/library/windows/desktop/ms533843(v=vs.85).aspx
		static int GetEncoderClsid(const WCHAR* format, CLSID* pClsid);

		// Finds the index of the string list.
		static int FindStringListIndex(CStringList& a_listStr, LPCTSTR a_sItem, BOOL a_bNoCase = TRUE);
		static int FindStringListIndex(std::vector<CString> & a_listStr, LPCTSTR a_sItem, BOOL a_bNoCase = TRUE);

		// open file
		static BOOL ShellOpenFile(LPCTSTR a_strPathName);
		static BOOL ShellExecuteCommand(LPCTSTR a_strCommandFile, LPCTSTR a_sCommandParam = NULL);

		// get machine id
		static CString GetMachineId();

		// send email
		static BOOL SendEmail(LPCTSTR a_strEmailAddress, LPCTSTR a_sTitle, LPCTSTR a_sBody);

		// string conversions
		static int CharToWChar(const char* a_psSource, wchar_t* a_psTarget);
		static int WCharToChar(const wchar_t* a_psSource, char* a_psTarget);
		static CString CharToString(const char* a_psSource);
		static DWORD ConvStreamToByteArr(IStream *a_stream, BYTE **a_byte);

		// time strings
		static CString GetDateTimeString(const COleDateTime& a_DateTime);
		static CString GetTimeSpanString(const COleDateTimeSpan& a_TimeSpan, BOOL a_bFixLenth = FALSE);
		static COleDateTime GetDateTimeFromString(const CString& a_DateTime);
		static COleDateTimeSpan GetTimeSpanFromString(const CString& a_TimeSpan, BOOL a_bFixLenth = FALSE);
		// waiting
		static void Waiting(long a_nMilliseconds);

		// version string
		static DWORD GetVersionFromString(LPCTSTR a_sVersion);
		static BOOL GetMajorVersionFromString(LPCTSTR a_sVersion, int& a_nVersion);
		static BOOL GetMinorVersionFromString(LPCTSTR a_sVersion, int& a_nVersion);
		static BOOL GetBuildVersionFromString(LPCTSTR a_sVersion, int& a_nBuild);

		// get file modify string
		static CString GetFileWriteTime(LPCTSTR a_strFilePath);

		// load text file
		static std::vector<std::string> LoadTextFileToSTDList(CString a_strPathName, int a_nLine = -1);
		static std::vector<CString> LoadTextFileToCStingList(CString a_strPathName, int a_nLine = -1);

		// split string 
		static std::vector<std::string> SplitSTDString(std::string& a_sSource, char a_cTok);
		static std::vector<CString> SplitString(const CString& a_sSource, LPCTSTR a_sTok);

		// cut of the string to make sure that it will be never over the length
		static void EnsureStringLengthNoMoreThan(CString& a_str, int a_nMaxLength);

		// trim std string
		static void TrimSTDString(std::string& a_strString, char a_cTrimChar = ' ');

		// get file name list in a folder
		static  BOOL GetFileNameList(CString a_strFolderName, CString a_strFileType,std::vector<CString>& a_listFileName);

		std::string GetSystemTime();

	};

	



}