#pragma once

#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <time.h>
#include <chrono>
#include <thread>

#if __cplusplus >= 201703L
#include <filesystem>
#endif

#include "String.h"

class Utils {
public:
	static int max(int a, int b) {
		return (a > b) ? a : b;
	}
	static int min(int a, int b) {
		return (a > b) ? b : a;
	}
	static void Mkdir(const String& path) {
#if __cplusplus >= 201703L
		std::filesystem::create_directory(path.getCharArray());
#else
		mkdir(path.getCharArray(), 0777);
#endif
	}

	//https://stackoverflow.com/questions/4568681/using-chmod-in-a-c-program
	static void Chmod(const String& path) {
#if __cplusplus >= 201703L
        	std::filesystem::permissions(path.getCharArray(), std::filesystem::perms::all);
#else
        	String command = "chmod 777 " + String::DQuotes(path);
            int i=system(command.getCharArray());
            printf("chmod 777 '%s' return code = %d\n", path.getCharArray(), i);
#endif
	}

	//https://stackoverflow.com/questions/230062/whats-the-best-way-to-check-if-a-file-exists-in-c
	static bool Exists(const String& path) {
#if __cplusplus >= 201703L
		return std::filesystem::exists(path.getCharArray());
#else
		struct stat buffer;
		return (stat(path.getCharArray(), &buffer) == 0);
#endif
	}

	//in seconds
	static void Sleep(int s) {
		std::chrono::seconds timespan(s);
		std::this_thread::sleep_for(timespan);
	}
	static void Copy(const String& src, const String& dst) {
#if __cplusplus >= 201703L
	        std::filesystem::copy(src.getCharArray(), dst.getCharArray());
#else
		    String command = "cp " + String::DQuotes(src) + " " + String::DQuotes(dst);
		    int i = system(command.getCharArray());
		    printf("cp '%s' return code = %d\n",src.getCharArray(), i);
#endif
	}
	static void CopyDirectory(const String& src, const String& dst) {
#if __cplusplus >= 201703L
        	std::filesystem::copy((src+ "/.").getCharArray(), dst.getCharArray(), std::filesystem::copy_options::recursive);
#else
        	String command = "cp -r " + String::DQuotes(src + "/.") + " " + String::DQuotes(dst);
            int i = system(command.getCharArray());
            printf("cp -r '%s' return code = %d\n",src.getCharArray(),i);
#endif
    }
	static time_t getAbsoluteTime() {
		return time(NULL);
	}
	static String getDate() {
		auto ttime = time(NULL);
		String res(ctime(&ttime));
		return res;
	}
};