#ifndef __INC_ETER2_ETERBASE_UTILS_H__
#define __INC_ETER2_ETERBASE_UTILS_H__

#include <windows.h>
#include <vector>
#include <string>

#ifndef SAFE_DELETE
#define SAFE_DELETE(p)			{ if (p) { delete (p);		(p) = NULL; } }
#endif

#ifndef SAFE_DELETE_ARRAY
#define SAFE_DELETE_ARRAY(p)	{ if (p) { delete[] (p);	(p) = NULL; } }
#endif

#ifndef SAFE_RELEASE
#define SAFE_RELEASE(p)			{ if (p) { (p)->Release();	(p) = NULL; } }
#endif

#ifndef SAFE_FREE_GLOBAL
#define SAFE_FREE_GLOBAL(p)		{ if (p) { ::GlobalFree(p);	(p) = NULL; } }
#endif

#ifndef SAFE_FREE_LIBRARY
#define SAFE_FREE_LIBRARY(p)	{ if (p) { ::FreeLibrary(p); (p) = NULL; } }
#endif

#define AssertLog(str)	TraceError(str); assert(!str)

#ifndef MAKEFOURCC
#define MAKEFOURCC(ch0, ch1, ch2, ch3)                                      \
				((DWORD)(BYTE) (ch0       ) | ((DWORD)(BYTE) (ch1) <<  8) | \
				((DWORD)(BYTE) (ch2) << 16) | ((DWORD)(BYTE) (ch3) << 24))
#endif // defined(MAKEFOURCC)

#ifndef IS_SET
#define IS_SET(flag,bit)                ((flag) & (bit))
#endif

#ifndef SET_BIT
#define SET_BIT(var,bit)                ((var) |= (bit))
#endif

#ifndef REMOVE_BIT
#define REMOVE_BIT(var,bit)             ((var) &= ~(bit))
#endif

#ifndef TOGGLE_BIT
#define TOGGLE_BIT(var,bit)             ((var) = (var) ^ (bit))
#endif

extern const char * CreateTempFileName(const char * c_pszPrefix = NULL);
extern void			GetFilePathNameExtension(const char* c_szFile, int len, std::string* pstPath, std::string* pstName, std::string* pstExt);
extern void			GetFileExtension(const char* c_szFile, int len, std::string* pstExt);
extern void			GetFileNameParts(const char* c_szFile, int len, char* pszPath, char* pszName, char* pszExt);
extern void			GetOldIndexingName(char * szName, int Index);
extern void			GetIndexingName(char * szName, DWORD Index);
extern void			stl_lowers(std::string& rstRet);
extern void			GetOnlyFileName(const char * sz_Name, std::string & strFileName);
extern void			GetOnlyPathName(const char * sz_Name, std::string & OnlyPathName);
extern const char *	GetOnlyPathName(const char * c_szName);
bool				GetLocalFileName(const char * c_szGlobalPath, const char * c_szFullPathFileName, std::string * pstrLocalFileName);
extern void			GetExceptionPathName(const char * sz_Name, std::string & OnlyFileName);
extern void			GetWorkingFolder(std::string & strFileName);
extern void			StringLowers(char * pString);
extern void			StringPath(std::string & rString);
extern void			StringPath(char * pString);	// ¸ðµÎ ¼Ò¹®ÀÚ·Î ¸¸µé°í, \´Â /·Î ¹Ù²Û´Ù.
extern void			StringPath(const char * c_szSrc, char * szDest);	// ¸ðµÎ ¼Ò¹®ÀÚ·Î ¸¸µé°í, \´Â /·Î ¹Ù²Û´Ù.
extern void			StringPath(const char * c_szSrc, std::string & rString);	// ¸ðµÎ ¼Ò¹®ÀÚ·Î ¸¸µé°í, \´Â /·Î ¹Ù²Û´Ù.
extern void			PrintAsciiData(const void* data, int bytes);
bool				IsFile(const char* filename);
bool				IsGlobalFileName(const char * c_szFileName);
int					MIN(int a, int b);
int					MAX(int a, int b);
int					MINMAX(int min, int value, int max);
float				fMIN(float a, float b);
float				fMAX(float a, float b);
float				fMINMAX(float min, float value, float max);
void				MyCreateDirectory(const char* path);
void				RemoveAllDirectory(const char * c_szDirectoryName);
bool				SplitLine(const char * c_szLine, const char * c_szDelimeter, std::vector<std::string> * pkVec_strToken);
const char *		_getf(const char* c_szFormat, ...);
PCHAR*				CommandLineToArgv( PCHAR CmdLine, int* _argc );

template<typename T>
T EL_DegreeToRadian(T degree)
{
	const T PI = T(3.141592);
	return T(PI*degree/180.0f);
}

template<typename T>
void ELPlainCoord_GetRotatedPixelPosition(T centerX, T centerY, T distance, T rotDegree, T* pdstX, T* pdstY)
{	
	T rotRadian=EL_DegreeToRadian(rotDegree);
	*pdstX=centerX+distance*T(sin((double)rotRadian));
	*pdstY=centerY+distance*T(cos((double)rotRadian));
}

template<typename T>
T EL_SignedDegreeToUnsignedDegree(T fSrc)
{
	if (fSrc<0.0f)
		return T(360.0+T(fmod(fSrc, 360.0)));
	
	return T(fmod(fSrc, 360.0));
}

template<typename T>
T ELRightCoord_ConvertToPlainCoordDegree(T srcDegree)
{
	return T(fmod(450.0 - srcDegree, 360.0));
}

template<typename C>
void string_join(const std::string& sep, const C& container, std::string* ret)
{
	unsigned int capacity = sep.length() * container.size() - 1;
    
    // calculate string sequence
    {
        for (C::const_iterator i = container.begin(); i != container.end(); ++i)
            capacity += (*i).length();
    }

    std::string buf;
    buf.reserve(capacity);

    // join strings
    {
        C::const_iterator cur = container.begin();
        C::const_iterator end = container.end();
        --end;

        while (cur != end)
        {
            buf.append(*cur++);
            buf.append(sep);
        }
        buf.append(*cur);
    }

    swap(*ret, buf);
}

__forceinline int htoi(const wchar_t *s, int size)
{
    const wchar_t *t = s;
    int x = 0, y = 1;
    s += size;

    while (t <= --s)
    {
		if (L'0' <= *s && *s <= L'9')
            x += y * (*s - L'0');
        else if (L'a' <= *s && *s <= L'f')
            x += y * (*s - L'a' + 10);
        else if (L'A' <= *s && *s <= L'F')
            x += y * (10 + *s - L'A');
        else
            return -1; /* invalid input! */
        y <<= 4;
    }

    return x;
}

__forceinline int htoi(const char *s, int size)
{
    const char *t = s;
    int x = 0, y = 1;
    s += size;

    while (t <= --s)
    {
		if ('0' <= *s && *s <= '9')
            x += y * (*s - '0');
        else if ('a' <= *s && *s <= 'f')
            x += y * (*s - 'a' + 10);
        else if ('A' <= *s && *s <= 'F')
            x += y * (10 + *s - 'A');
        else
            return -1; /* invalid input! */
        y <<= 4;
    }

    return x;
}

__forceinline int htoi(const char *s)
{
    const char *t = s;
    int x = 0, y = 1;
    s += strlen(s);

    while (t <= --s)
    {
		if ('0' <= *s && *s <= '9')
            x += y * (*s - '0');
        else if ('a' <= *s && *s <= 'f')
            x += y * (*s - 'a' + 10);
        else if ('A' <= *s && *s <= 'F')
            x += y * (10 + *s - 'A');
        else
            return -1; /* invalid input! */
        y <<= 4;
    }

    return x;
}

typedef std::vector<std::string> TTokenVector;

void StringExceptCharacter(std::string * pstrString, const char * c_szCharacter);

extern void GetExcutedFileName(std::string & r_str);

#endif