#ifndef _PATH_UTILS_H_
#define _PATH_UTILS_H_

#include <string>

#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)

#include<Windows.h>

#elif defined(linux) || defined(__linux)

#include <string.h>
#include <unistd.h>
#include <dlfcn.h>
#include <limits.h>
#include <iostream>

#endif // WINDOWS

namespace helpers
{
	namespace PathUtils {

	#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
	static HMODULE GetSelfModuleHandle()
	{
		MEMORY_BASIC_INFORMATION mbi;
		return (
			(::VirtualQuery(GetSelfModuleHandle, &mbi, sizeof(mbi)) != 0)
			? (HMODULE)mbi.AllocationBase : NULL
			);
	}

	static std::string GetCurrentProgramDir()
	{
		std::string strCurrentPath = "";
		char curDirector[260] = { 0 };
		GetModuleFileName(GetSelfModuleHandle(), curDirector, 260);
		strCurrentPath = curDirector;

		size_t nameStart = strCurrentPath.rfind("\\");
		strCurrentPath = strCurrentPath.substr(0, nameStart + 1);
		return strCurrentPath;
	}

	#elif defined(linux) || defined(__linux)
	static std::string GetCurrentProgramDir()
	{
		std::string strCurrentPath = "";
		char szCurWorkPath[256];
		memset(szCurWorkPath, '\0', 256);
		int nRet = readlink("/proc/self/exe", szCurWorkPath, 256);
		if (nRet > 256 || nRet < 0)
		{
			return strCurrentPath;
		}

		for (int i = nRet; i > 0; i--)
		{
			if (szCurWorkPath[i] == '/' || szCurWorkPath[i] == '\\')
			{
				szCurWorkPath[i] = '\0';
				break;
			}
		}

		strCurrentPath = szCurWorkPath;

		return strCurrentPath;
	}

	static std::string GetCmdDir() {
		char cwd[PATH_MAX];
		if (getcwd(cwd, sizeof(cwd)) != nullptr) {
			std::cout << "当前工作目录是: " << cwd << std::endl;
		} else {
			std::cerr << "错误: 无法获取当前工作目录。" << std::endl;
		}
		return cwd;
	}
	#endif

	}

}

#endif // !_PATH_UTILS_H_