// This file is a part of Framsticks SDK.  http://www.framsticks.com/
// Copyright (C) 1999-2020  Maciej Komosinski and Szymon Ulatowski.
// See LICENSE.txt for details.

#ifndef _CONVERT_H_
#define _CONVERT_H_

#include "nonstd.h"
#include "nonstd_math.h"
#include "nonstd_stl.h"
#include <stdint.h>
#include <cmath>

#ifdef LINUX
#define UINT64_FORMAT "%llu" //we want to avoid this and ambiguous "long long", but gcc does not seem to support I64u (yet?)
#else
#define UINT64_FORMAT "%I64u"
#endif

struct Convert
{
public:
	static int toInt(string s);
	static int toInt_HexIf0x(string s);
	static float toFloat(string s);
	static string toLowerCase(string s);
	static string toUpperCase(string s);
	static string toLowerCaseUTF8(string s);
	static string toUpperCaseUTF8(string s);
	static char toLowerCase(char c);
	static char toUpperCase(char c);
	template<class T> static string _toString(const T& value);
	static string toString(unsigned int v);
	static string toString(int v);
	static string toString(short v);
	static string toString(float v);
	static string toString(double v);
	static string zeroPad(string s, int l) { while ((int)s.length() < l) s = string("0") + s; return s; }
	static uint32_t hexToInt(const string& col);

	static double toRadians(double angle) { return angle * M_PI / 180; }
	static double toDegrees(double angle) { return angle / M_PI * 180; }
	static double atan_2(double y, double x) { if (x == 0 && y == 0) return 0; else return atan2(y, x); } //needed by borland 5/6 only?

	static double odleglosc_sq(double x1, double y1, double x2, double y2) //odleglosc do kwadratu, wystarczy do porownywania
	{
		double dx = x2 - x1, dy = y2 - y1;
		return dx * dx + dy * dy;
	}

	static double odleglosc(double x1, double y1, double x2, double y2) { return sqrt(odleglosc_sq(x1, y1, x2, y2)); }

	//static float odleglosc(int x1,int y1,int x2,int y2) {float dx=x1-x2; float dy=y1-y2; return sqrt(dx*dx+dy*dy);}
	//static float odleglosc(float x1,float y1,float x2,float y2) {return sqrt(odleglosc_sq(x1,y1,x2,y2));}
	//static float odleglosc_sq(float x1,float y1,float x2,float y2) {float dx=x1-x2; float dy=y1-y2; return dx*dx+dy*dy;}

	static struct tm localtime(const time_t &timep);//jak ::localtime ale zwraca strukture zamiast wskaznika, ref w parametrze dla wygodnego wywolywania
	static string asctime(const struct tm &tm);//jak ::asctime ale thread safe i bez glupiego \n na koncu, ref w parametrze dla wygodnego wywolywania

	static std::wstring strTOwstr(const char *s)
	{
		string str(s);
		return std::wstring(str.begin(), str.end());
	}

	static string wstrTOstr(const wchar_t *s)
	{
		wstring str(s);
		return string(str.begin(), str.end());
	}

	static string wstrToUtf8(const wchar_t *str);
#ifdef _WIN32
	static wstring utf8ToUtf16(const char *str);
#endif
};

#endif