//#include "stdafx.h"
#include <iostream>
#include <string.h>
#include <stdlib.h>
#include <conio.h>
#include <string>
using namespace std;

long double degree(int deg, int number) {
	long double res = 1;
	for (int i = 0; i < abs(deg); i++) {
		res *= number;
	}
	if (deg < 0)
		res = 1 / res;
	return res;
}

void numberEnter(string& str, int numberSystem, char& sign) {
	char ch = 0;
	while (ch != 13) {
		ch = _getch();
		if (ch == '-') {
			sign *= -1;
			cout << ch;
		}
		else {
			if (numberSystem > 36) {
				if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch < numberSystem + '0' + 7 + 6)) {
					cout << ch;
					str += ch;
				}
			}
			else {
				if (numberSystem > 10) {
					if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch < numberSystem + '0' + 7)) {
						cout << ch;
						str += ch;
					}
				}
				else {
					if (ch >= '0' && ch < numberSystem + '0') {
						cout << ch;
						str += ch;
					}
				}
			}
		}
	}
}

void fractionalNumberEnter(string& str, int numberSystem, char& sign, int& dotPos) {
	char ch = 0;
	int k = 0;
	while (ch != 13) {
		ch = _getch();
		if (ch == '.' && dotPos == -1) {
			dotPos = k;
			cout << ch;
			str += ch;
			k++;
		}
		else {
			if (ch == '-') {
				sign *= -1;
				cout << ch;
			}
			else {
				k++;
				if (numberSystem > 36) {
					if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch < numberSystem + '0' + 7 + 6)) {
						cout << ch;
						str += ch;
					}
				}
				else {
					if (numberSystem > 10) {
						if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch < numberSystem + '0' + 7)) {
							cout << ch;
							str += ch;
						}
					}
					else {
						if (ch >= '0' && ch < numberSystem + '0') {
							cout << ch;
							str += ch;
						}
					}
				}
			}
		}
	}
}

void charEnter(string& charEnter) {
	char ch = 0;
	while (ch != 13/*return*/) {
		ch = _getch();
		if (ch >= '0' && ch <= '9') {
			cout << ch;
			charEnter += ch;
		}
		if ((charEnter[0] > '2' && charEnter.length() >= 2) || (charEnter.length() == 3))
			break;
	}
}

void printAlphabet(int numberSystem) {
	cout << "Admissible characters: ";
	for (int i = 0; i < numberSystem; i++) {
		if (i < 10)
			cout << "\t" << char(i + '0') << "-" << i << " ";
		if (i >= 10 && i < 36)
			cout << "\t" << char(i + '0' + 7) << "-" << i << " ";
		if (i >= 36)
			cout << "\t" << char(i + '0' + 7 + 6) << "-" << i << " ";
	}
	cout << endl;
}

int main()
{
	//system("color F0");
	char dataType;
	do {
		short int numberSystem = 0;
		char ch = 0;
		string intEnter{}, numberSystemEnter{}, floatEnter{}, doubleEnter{}, charString{};
		cout << "Enter data type\n" << "[1] - int\n" << "[2] - float\n"
			<< "[3] - double\n" << "[4] - char\n" << "[5] - bool\n" << "[ESC] - exit\n";
		dataType = _getch();
		if (dataType == '1' || dataType == '2' || dataType == '3') {
			system("cls");
			do {
				ch = 0;
				cout << "Enter number system (2-62): ";
				while (numberSystemEnter.length() < 2 && ch != 13/*return*/) {
					ch = _getch();
					if (ch >= '0' && ch <= '9') {
						if (!(ch == '0' && numberSystemEnter.length() == 0)) {
							cout << ch;
							numberSystemEnter += ch;
						}
					}
					if (numberSystemEnter.length() == 1 && numberSystemEnter[0] > '6') {
						break;
					}
				}
				for (int i = 0; i < numberSystemEnter.length(); i++) {
					numberSystem += (numberSystemEnter[i] - '0') * degree(numberSystemEnter.length() - i - 1, 10);
				}
				if (numberSystem > 62 || numberSystem < 2) {
					system("cls");
					cout << "ERROR: Wrong enter!" << endl;
					numberSystem = 0;
					numberSystemEnter = "";
				}
			} while (numberSystem < 2 || numberSystem > 62);
		}
		switch (dataType) {
		case '1' /*int*/:
			union {
				int number;
				char bytes[sizeof(int)];
			};
			number = 0;
			char sign;
			sign = 1;
			system("cls");
			cout << "INT " << numberSystem << " system\n";
			printAlphabet(numberSystem);
			cout << "Enter number: ";
			numberEnter(intEnter, numberSystem, sign);
			for (int i = 0; i < intEnter.length(); i++) {
				if (intEnter[i] >= 'a') {
					number += (intEnter[i] - '0' - 7 - 6) * degree(intEnter.length() - i - 1, numberSystem);
				}
				else {
					if (intEnter[i] >= 'A') {
						number += (intEnter[i] - '0' - 7) * degree(intEnter.length() - i - 1, numberSystem);
					}
					else {
						number += (intEnter[i] - '0') * degree(intEnter.length() - i - 1, numberSystem);
					}
				}
			}
			number *= sign;
			cout << "\ndecimal notation: " << number << endl;
			cout << "binary notation: ";
			for (int i = sizeof(int) - 1; i >= 0; i--) {
				for (int j = 0; j < sizeof(char) * 8; j++) {
					if (bytes[i] & 128)
						cout << "1";
					else
						cout << 0;
					bytes[i] <<= 1;
				}
			}
			cout << endl;
			system("pause");
			system("cls");
			break;
		case '2' /*float*/:
			union {
				float number2;
				char bytes2[sizeof(float)];
			};
			number2 = 0;
			char sign2;
			sign2 = 1;
			int dotPos;
			dotPos = -1;
			system("cls");
			cout << "FLOAT " << numberSystem << " system\n";
			printAlphabet(numberSystem);
			cout << "Enter number: ";
			fractionalNumberEnter(floatEnter, numberSystem, sign2, dotPos);
			if (dotPos != -1) {
				for (int i = 0; i < dotPos; i++) {
					if (floatEnter[i] - '0' < 10)
						number2 += (floatEnter[i] - '0') * degree(dotPos - i - 1, numberSystem);
					else {
						if (floatEnter[i] <= 'Z') {
							number2 += (floatEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(dotPos - i - 1, numberSystem);
						}
						else {
							number2 += (floatEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character a and 10*/) * degree(dotPos - i - 1, numberSystem);
						}
					}
				}
				for (int i = dotPos + 1; i < floatEnter.length(); i++) {
					if (floatEnter[i] - '0' < 10)
						number2 += (floatEnter[i] - '0') * degree(dotPos - i, numberSystem);
					else {
						if (floatEnter[i] <= 'Z') {
							number2 += (floatEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(dotPos - i, numberSystem);
						}
						else {
							number2 += (floatEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character a and number 10*/) * degree(dotPos - i, numberSystem);
						}
					}
				}
			}
			else {
				for (int i = 0; i < floatEnter.length(); i++) {
					if (floatEnter[i] - '0' < 10) {
						number2 += (floatEnter[i] - '0') * degree(floatEnter.length() - i - 1, numberSystem);
					}
					else {
						number2 += (floatEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(floatEnter.length() - i - 1, numberSystem);
					}
				}
			}
			number2 *= sign2;
			cout << "\ndecimal notation: " << fixed << number2 << endl;
			cout << "binary notation: ";
			for (int i = sizeof(float) - 1; i >= 0; i--) {
				for (int j = 0; j < sizeof(char) * 8; j++) {
					if (bytes2[i] & 128)
						cout << "1";
					else
						cout << 0;
					bytes2[i] <<= 1;
				}
			}
			cout << endl;
			system("pause");
			system("cls");
			break;
		case '3' /*double*/:
			union {
				double number3;
				char bytes3[sizeof(double)];
			};
			number3 = 0;
			char sign3;
			sign3 = 1;
			int dotPos2;
			dotPos2 = -1;
			system("cls");
			cout << "DOUBLE " << numberSystem << " system\n";
			printAlphabet(numberSystem);
			cout << "Enter number: ";
			fractionalNumberEnter(doubleEnter, numberSystem, sign3, dotPos2);
			if (dotPos2 != -1) {
				for (int i = 0; i < dotPos2; i++) {
					if (doubleEnter[i] - '0' < 10)
						number3 += (doubleEnter[i] - '0') * degree(dotPos2 - i - 1, numberSystem);
					else {
						if (floatEnter[i] <= 'Z') {
							number3 += (doubleEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(dotPos2 - i - 1, numberSystem);
						}
						else {
							number3 += (doubleEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character a and 10*/) * degree(dotPos2 - i - 1, numberSystem);
						}
					}
				}
				for (int i = dotPos2 + 1; i < doubleEnter.length(); i++) {
					if (doubleEnter[i] - '0' < 10)
						number3 += (doubleEnter[i] - '0') * degree(dotPos2 - i, numberSystem);
					else {
						if (floatEnter[i] <= 'Z') {
							number3 += (doubleEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(dotPos2 - i, numberSystem);
						}
						else {
							number3 += (doubleEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character a and number 10*/) * degree(dotPos2 - i, numberSystem);
						}
					}
				}
			}
			else {
				for (int i = 0; i < doubleEnter.length(); i++) {
					if (doubleEnter[i] - '0' < 10) {
						number3 += (doubleEnter[i] - '0') * degree(doubleEnter.length() - i - 1, numberSystem);
					}
					else {
						if (doubleEnter[i] <= 'Z') {
							number3 += (doubleEnter[i] - '0' - 7 /*number that deletes the difference between the character A and number 10*/) * degree(doubleEnter.length() - i - 1, numberSystem);
						}
						else {
							number3 += (doubleEnter[i] - '0' - 7 - 6 /*number that deletes the difference between the character A and number 10*/) * degree(doubleEnter.length() - i - 1, numberSystem);
						}
					}
				}
			}
			number3 *= sign3;
			cout << "\ndecimal notation: " << fixed << number3 << endl;
			cout << "binary notation: ";
			for (int i = sizeof(double) - 1; i >= 0; i--) {
				for (int j = 0; j < sizeof(char) * 8; j++) {
					if (bytes3[i] & 128)
						cout << "1";
					else
						cout << 0;
					bytes3[i] <<= 1;
				}
			}
			cout << endl;
			system("pause");
			system("cls");
			break;
		case '4' /*char*/:
			system("cls");
			char task, character;
			task = character = 0;
			do {
				cout << "[1] - character itself\n" << "[2] - code of character";
				task = _getch();
				if (task != '1' && task != '2') {
					system("cls");
					cout << "ERROR: Wrong enter!\n";
				}
			} while (task != '1' && task != '2');
			if (task == '1') {
				cout << "\nEnter a character: ";
				character = _getch();
				cout << character << endl;
				cout << "Code: " << int(character) << endl;
			}
			else {
				cout << "\nEnter code of character: ";
				charEnter(charString);
				for (int i = 0; i < charString.length(); i++) {
					character += (charString[i] - '0') * degree(charString.length() - i - 1, 10);
				}
				cout << "\nCharacter: " << character << endl;
			}
			cout << "binary notation: ";
			for (int i = 0; i < sizeof(char) * 8; i++) {
				if (character & 128)
					cout << "1";
				else
					cout << 0;
				character <<= 1;
			}
			cout << endl;
			system("pause");
			system("cls");
			break;
		case '5'/*bool*/:
			union {
				bool flag;
				char help;
			};
			system("cls");
			cout << "Enter smt: ";
			help = _getch();
			cout << help;
			if (help == '0')
				flag = 0;
			else
				flag = 1;
			cout << "\nYou entered: " << boolalpha << flag << endl;
			cout << "binary notation: ";
			for (int i = 0; i < sizeof(char) * 8; i++) {
				if (help & 128)
					cout << "1";
				else
					cout << 0;
				help <<= 1;
			}
			cout << endl;
			system("pause");
			system("cls");
			break;
		default:
			system("cls");
			cout << "ERROR: Wrong enter!\n";
		}
	} while (dataType != 27 /*esc*/);
	return 0;
}