#include <cmath>
#include "MyForm1.h"
#include <iostream>


#pragma once

namespace Project7 {

	using namespace System;
	using namespace System::ComponentModel;
	using namespace System::Collections;
	using namespace System::Windows::Forms;
	using namespace System::Data;
	using namespace System::Drawing;

	/// <summary>
	/// Сводка для MyForm
	/// </summary>
	public ref class MyForm : public System::Windows::Forms::Form
	{
	public:
		MyForm(void)
		{
			InitializeComponent();
			//
			//TODO: добавьте код конструктора
			//
		}

	protected:
		/// <summary>
		/// Освободить все используемые ресурсы.
		/// </summary>
		~MyForm()
		{
			if (components)
			{
				delete components;
			}
		}
	private: System::Windows::Forms::Button^  button1;
	protected:
	private: System::Windows::Forms::Button^  button5;
	private: System::Windows::Forms::Button^  button4;
	private: System::Windows::Forms::Button^  button3;
	private: System::Windows::Forms::Button^  button2;
	private: System::Windows::Forms::Button^  button0;
	private: System::Windows::Forms::Button^  buttonZnak;
	private: System::Windows::Forms::Button^  buttonDot;
	private: System::Windows::Forms::Button^  buttonRavno;
	private: System::Windows::Forms::Button^  buttonClear;
	private: System::Windows::Forms::Button^  buttonBackSpace;
	private: System::Windows::Forms::TextBox^  tb10;
	private: System::Windows::Forms::TextBox^  tb6;
	private: System::Windows::Forms::MenuStrip^  menuStrip1;
	private: System::Windows::Forms::ToolStripMenuItem^  fileToolStripMenuItem;
	private: System::Windows::Forms::ToolStripMenuItem^  closeALLToolStripMenuItem;
	private: System::Windows::Forms::ToolStripMenuItem^  helpToolStripMenuItem;
	private: System::Windows::Forms::Label^  label1;
	private: System::Windows::Forms::Label^  label2;

	private:
		/// <summary>
		/// Обязательная переменная конструктора.
		/// </summary>
		System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
		/// <summary>
		/// Требуемый метод для поддержки конструктора — не изменяйте
		/// содержимое этого метода с помощью редактора кода.
		/// </summary>
		void InitializeComponent(void)
		{
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->button2 = (gcnew System::Windows::Forms::Button());
			this->button0 = (gcnew System::Windows::Forms::Button());
			this->button3 = (gcnew System::Windows::Forms::Button());
			this->button4 = (gcnew System::Windows::Forms::Button());
			this->button5 = (gcnew System::Windows::Forms::Button());
			this->buttonZnak = (gcnew System::Windows::Forms::Button());
			this->buttonDot = (gcnew System::Windows::Forms::Button());
			this->buttonRavno = (gcnew System::Windows::Forms::Button());
			this->buttonClear = (gcnew System::Windows::Forms::Button());
			this->buttonBackSpace = (gcnew System::Windows::Forms::Button());
			this->tb10 = (gcnew System::Windows::Forms::TextBox());
			this->tb6 = (gcnew System::Windows::Forms::TextBox());
			this->menuStrip1 = (gcnew System::Windows::Forms::MenuStrip());
			this->fileToolStripMenuItem = (gcnew System::Windows::Forms::ToolStripMenuItem());
			this->closeALLToolStripMenuItem = (gcnew System::Windows::Forms::ToolStripMenuItem());
			this->helpToolStripMenuItem = (gcnew System::Windows::Forms::ToolStripMenuItem());
			this->label1 = (gcnew System::Windows::Forms::Label());
			this->label2 = (gcnew System::Windows::Forms::Label());
			this->menuStrip1->SuspendLayout();
			this->SuspendLayout();
			//
			// button1
			//
			this->button1->Location = System::Drawing::Point(78, 160);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(60, 40);
			this->button1->TabIndex = 0;
			this->button1->Text = L"1";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &MyForm::button1_Click);
			//
			// button2
			//
			this->button2->Location = System::Drawing::Point(144, 160);
			this->button2->Name = L"button2";
			this->button2->Size = System::Drawing::Size(60, 40);
			this->button2->TabIndex = 0;
			this->button2->Text = L"2";
			this->button2->UseVisualStyleBackColor = true;
			this->button2->Click += gcnew System::EventHandler(this, &MyForm::button2_Click);
			//
			// button3
			//
			this->button3->Location = System::Drawing::Point(12, 210);
			this->button3->Name = L"button3";
			this->button3->Size = System::Drawing::Size(60, 40);
			this->button3->TabIndex = 0;
			this->button3->Text = L"3";
			this->button3->UseVisualStyleBackColor = true;
			this->button3->Click += gcnew System::EventHandler(this, &MyForm::button3_Click);
			//
			// button4
			//
			this->button4->Location = System::Drawing::Point(78, 210);
			this->button4->Name = L"button4";
			this->button4->Size = System::Drawing::Size(60, 40);
			this->button4->TabIndex = 0;
			this->button4->Text = L"4";
			this->button4->UseVisualStyleBackColor = true;
			this->button4->Click += gcnew System::EventHandler(this, &MyForm::button4_Click);
			//
			// button5
			//
			this->button5->Location = System::Drawing::Point(144, 210);
			this->button5->Name = L"button5";
			this->button5->Size = System::Drawing::Size(60, 40);
			this->button5->TabIndex = 0;
			this->button5->Text = L"5";
			this->button5->UseVisualStyleBackColor = true;
			this->button5->Click += gcnew System::EventHandler(this, &MyForm::button5_Click);
			//
			// button0
			//
			this->button0->Location = System::Drawing::Point(12, 160);
			this->button0->Name = L"button0";
			this->button0->Size = System::Drawing::Size(60, 40);
			this->button0->TabIndex = 0;
			this->button0->Text = L"0";
			this->button0->UseVisualStyleBackColor = true;
			this->button0->Click += gcnew System::EventHandler(this, &MyForm::button0_Click);
			//
			// buttonZnak
			//
			this->buttonZnak->Location = System::Drawing::Point(78, 300);
			this->buttonZnak->Name = L"buttonZnak";
			this->buttonZnak->Size = System::Drawing::Size(60, 40);
			this->buttonZnak->TabIndex = 0;
			this->buttonZnak->Text = L"+/-";
			this->buttonZnak->UseVisualStyleBackColor = true;
			this->buttonZnak->Click += gcnew System::EventHandler(this, &MyForm::buttonZnak_Click);
			//
			// buttonDot
			//
			this->buttonDot->Location = System::Drawing::Point(144, 300);
			this->buttonDot->Name = L"buttonDot";
			this->buttonDot->Size = System::Drawing::Size(60, 40);
			this->buttonDot->TabIndex = 0;
			this->buttonDot->Text = L".";
			this->buttonDot->UseVisualStyleBackColor = true;
			this->buttonDot->Click += gcnew System::EventHandler(this, &MyForm::buttonDot_Click);
			//
			// buttonRavno
			//
			this->buttonRavno->Location = System::Drawing::Point(226, 254);
			this->buttonRavno->Name = L"buttonRavno";
			this->buttonRavno->Size = System::Drawing::Size(190, 86);
			this->buttonRavno->TabIndex = 0;
			this->buttonRavno->Text = L"=";
			this->buttonRavno->UseVisualStyleBackColor = true;
			this->buttonRavno->Click += gcnew System::EventHandler(this, &MyForm::buttonRavno_Click);
			//
			// buttonClear
			//
			this->buttonClear->Location = System::Drawing::Point(226, 208);
			this->buttonClear->Name = L"buttonClear";
			this->buttonClear->Size = System::Drawing::Size(190, 40);
			this->buttonClear->TabIndex = 0;
			this->buttonClear->Text = L"Clear";
			this->buttonClear->UseVisualStyleBackColor = true;
			this->buttonClear->Click += gcnew System::EventHandler(this, &MyForm::buttonClear_Click);
			//
			// buttonBackSpace
			//
			this->buttonBackSpace->Location = System::Drawing::Point(225, 162);
			this->buttonBackSpace->Name = L"buttonBackSpace";
			this->buttonBackSpace->Size = System::Drawing::Size(190, 40);
			this->buttonBackSpace->TabIndex = 0;
			this->buttonBackSpace->Text = L"BackSpace";
			this->buttonBackSpace->UseVisualStyleBackColor = true;
			this->buttonBackSpace->Click += gcnew System::EventHandler(this, &MyForm::buttonBackSpace_Click);
			//
			// tb10
			//
			this->tb10->BackColor = System::Drawing::Color::White;
			this->tb10->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 20.25F, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			this->tb10->Location = System::Drawing::Point(13, 116);
			this->tb10->Name = L"tb10";
			this->tb10->ReadOnly = true;
			this->tb10->Size = System::Drawing::Size(400, 38);
			this->tb10->TabIndex = 1;
			this->tb10->Text = L"0";
			this->tb10->TextAlign = System::Windows::Forms::HorizontalAlignment::Right;
			//
			// tb6
			//
			this->tb6->BackColor = System::Drawing::Color::White;
			this->tb6->Font = (gcnew System::Drawing::Font(L"Microsoft Sans Serif", 20.25F, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,
				static_cast<System::Byte>(204)));
			this->tb6->Location = System::Drawing::Point(12, 57);
			this->tb6->Name = L"tb6";
			this->tb6->ReadOnly = true;
			this->tb6->Size = System::Drawing::Size(400, 38);
			this->tb6->TabIndex = 1;
			this->tb6->Text = L"0";
			this->tb6->TextAlign = System::Windows::Forms::HorizontalAlignment::Right;
			//
			// menuStrip1
			//
			this->menuStrip1->Items->AddRange(gcnew cli::array< System::Windows::Forms::ToolStripItem^  >(2) {
				this->fileToolStripMenuItem,
					this->helpToolStripMenuItem
			});
			this->menuStrip1->Location = System::Drawing::Point(0, 0);
			this->menuStrip1->Name = L"menuStrip1";
			this->menuStrip1->Size = System::Drawing::Size(356, 24);
			this->menuStrip1->TabIndex = 2;
			this->menuStrip1->Text = L"menuStrip1";
			//
			// fileToolStripMenuItem
			//
			this->fileToolStripMenuItem->DropDownItems->AddRange(gcnew cli::array< System::Windows::Forms::ToolStripItem^  >(1) { this->closeALLToolStripMenuItem });
			this->fileToolStripMenuItem->Name = L"fileToolStripMenuItem";
			this->fileToolStripMenuItem->Size = System::Drawing::Size(37, 20);
			this->fileToolStripMenuItem->Text = L"File";
			//
			// closeALLToolStripMenuItem
			//
			this->closeALLToolStripMenuItem->Name = L"closeALLToolStripMenuItem";
			this->closeALLToolStripMenuItem->Size = System::Drawing::Size(126, 22);
			this->closeALLToolStripMenuItem->Text = L"Close ALL";
			this->closeALLToolStripMenuItem->Click += gcnew System::EventHandler(this, &MyForm::closeALLToolStripMenuItem_Click);
			//
			// helpToolStripMenuItem
			//
			this->helpToolStripMenuItem->Name = L"helpToolStripMenuItem";
			this->helpToolStripMenuItem->Size = System::Drawing::Size(44, 20);
			this->helpToolStripMenuItem->Text = L"Help";
			this->helpToolStripMenuItem->Click += gcnew System::EventHandler(this, &MyForm::helpToolStripMenuItem_Click);
			//
			// label1
			//
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(13, 96);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(159, 13);
			this->label1->TabIndex = 3;
			this->label1->Text = L"Десятеричная система счисления";
			//
			// label2
			//
			this->label2->AutoSize = true;
			this->label2->Location = System::Drawing::Point(10, 37);
			this->label2->Name = L"label2";
			this->label2->Size = System::Drawing::Size(159, 13);
			this->label2->TabIndex = 3;
			this->label2->Text = L"Шестеричная система счисления";
			//
			// MyForm
			//
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(646, 638);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->label1);
			this->Controls->Add(this->tb6);
			this->Controls->Add(this->tb10);
			this->Controls->Add(this->button0);
			this->Controls->Add(this->buttonBackSpace);
			this->Controls->Add(this->buttonClear);
			this->Controls->Add(this->buttonRavno);
			this->Controls->Add(this->button2);
			this->Controls->Add(this->button3);
			this->Controls->Add(this->button4);
			this->Controls->Add(this->button5);
			this->Controls->Add(this->buttonDot);
			this->Controls->Add(this->buttonZnak);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->menuStrip1);
			this->MainMenuStrip = this->menuStrip1;
			this->MaximumSize = System::Drawing::Size(452, 400);
			this->MinimumSize = System::Drawing::Size(452, 400);
			this->Name = L"MyForm";
			this->Text = L"перевод из шестеричной в десятичную сс";
			this->menuStrip1->ResumeLayout(false);
			this->menuStrip1->PerformLayout();
			this->ResumeLayout(false);
			this->PerformLayout();

		}
		long long n = 0; // Количество цифр в числе.
		String^ vivod = {}; // Строка для запоминания содержимого поля вывода (на случай изменения поля вывода при переполнении)

#pragma endregion
		String^ ost(String^ x, long long y) { // Перевод дробной части
			double eps = pow(10, -19);
			double ost = Convert::ToDouble(x); // Перевод строки
			ost -= floor(ost);			 // Создание строки для вывода ответа
			double o = (double)1 / 6; // переменная для записи целой части числа в цикле
			double res = 0;
			long long whole = 0;
			while (ost != 0 && y != 19) {
				ost *= 10;
				whole = floor(ost);
				ost -= whole;
				res += whole * o;
				o /= 6;
				y++;
			}
			return Convert::ToString(res); // Возвращение переведённой строки
			std::cout << res;
		}
		String^ cel(String^ x) {
			if (x == "0") return "0"; // проверка на 0
			_int64 chislo = Convert::ToInt64(x); // отбрасывание дробной части исходного числа
			long long num = 0; // Переменная для записи остатка
			long long degree = 0;
			while (chislo != 0) {
				num += (chislo % 10) * pow(6, degree);
				chislo /= 10;
				degree++;
			}
			return Convert::ToString(num);
		}
		void zapis(long long x) // Ввод данных в верхний текстбокс.
		{
			if (n != 12)
			{
				if (tb6->Text == "0" || tb6->Text == "-0")
				{
					if (x != 0)
					{
						if (tb6->Text == "0") tb6->Text = Convert::ToString(x);
						if (tb6->Text == "-0") tb6->Text = "-" + Convert::ToString(x);
						n++;
					}
				}
				else
				{
					tb6->Text += x;
					n++;
				}
				if (n == 12)
				{
					vivod = tb10->Text;
					tb10->Text = "Максимум символов";
				}
			}
		}
	private: System::Void closeALLToolStripMenuItem_Click(System::Object^  sender, System::EventArgs^  e) {
		//Функция закрытия программы
		this->Close();
	}
			 /*
			 buttonX_Click - функции нажатия на кнопки 0-5, отправляют введённую цифру в zapis
			 */

	private: System::Void button0_Click(System::Object^  sender, System::EventArgs^  e) {
		zapis(0);
	}
	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
		zapis(1);
	}
	private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e) {
		zapis(2);
	}
	private: System::Void button3_Click(System::Object^  sender, System::EventArgs^  e) {
		zapis(3);
	}
	private: System::Void button4_Click(System::Object^  sender, System::EventArgs^  e) {
		zapis(4);
	}
	private: System::Void button5_Click(System::Object^  sender, System::EventArgs^  e) {
		zapis(5);
	}
	private: System::Void buttonClear_Click(System::Object^  sender, System::EventArgs^  e) {
		// Очистка полей ввода, вывода, счётчика введённых цифр
		tb6->Text = "0";
		tb10->Text = "0";
		n = 0;
	}
	private: System::Void buttonDot_Click(System::Object^  sender, System::EventArgs^  e) {
		// Нажатие на кнопку разделителя
		if (tb6->Text->Contains(".") == 0) // Проверка на наличие разделителя
		{
			if (tb6->Text == "0" || tb6->Text == "-0") n++; // если в целой части 0 или -0, считаем 0 как цифру.
			tb6->Text = tb6->Text + "."; // Дописываем разделитель справа
		}
	}
	private: System::Void buttonZnak_Click(System::Object^  sender, System::EventArgs^  e) {
		// Нажатие на кнопку "+/-"
		if (tb6->Text->Contains("-") == 0) tb6->Text = "-" + tb6->Text; // Если минуса не было, дописываем слева
		else
		{
			tb6->Text = tb6->Text->Replace("-", ""); // если минус был - меняем на пустоту (удаляем минус).
		}
	}
	private: System::Void buttonBackSpace_Click(System::Object^  sender, System::EventArgs^  e) {
		// Нажатие на кнопку BackSpace (Удаление последнего символа)
		bool dot = tb6->Text->Contains("."); // Проверка на разделитель
		if (n == 1 && dot == 0) // 1 цифра и разделителя нет
		{
			if (tb6->Text->Contains("-") == 1)
			{
				tb6->Text = "-" + "0";
				n--;
			}
			else
			{
				n--;
				tb6->Text = "0";
			}
		}
		if (n == 1 && dot == 1) // 1 цифра и есть разделитель
		{
			tb6->Text = tb6->Text->Remove(tb6->Text->Length - 1, 1);
		}
		if (n > 1) // цифр больше чем 1
		{
			tb6->Text = tb6->Text->Remove(tb6->Text->Length - 1, 1);
			if (dot == tb6->Text->Contains(".")) n--;
		}
		if (n == 11) tb10->Text = vivod; // Возвращение ответа в поле вывода, если там было сообщение о переполнении
	}
	private: System::Void buttonRavno_Click(System::Object^  sender, System::EventArgs^  e) {
		// кнопка "="
		bool minus = tb6->Text->Contains("-");
		if (tb6->Text->Contains(".") == 0)
		{
			if (minus == 0) tb10->Text = cel(tb6->Text->Replace("-", ""));
			else
			{
				tb10->Text = "-" + cel(tb6->Text->Replace("-", ""));
			}
		}
		else
		{
			_int64 celoe = _int64(Convert::ToDouble(tb6->Text));
			String^ a = tb6->Text; // новая строка с элементами текстбокса
			long long position = 0; // переменная для определения позиции разделителя
			long long size = tb6->Text->Length; // Количество символов в строке
			for (long long i = 0; i < size; i++) // цикл подсчёта позиции разделителя
			{
				if (a[i] == '.')
				{
					position = i;
					break;
				}
			}
			a = tb6->Text->Remove(0, position); // Удаление целой части при наличии остатка
			if (minus == 0)
			{
				tb10->Text = cel(Convert::ToString(celoe));
				long long y = tb10->Text->Length;
				y++;
				if (a != ".") tb10->Text += ost(a, y)->Remove(0, 1); // Проверка на наличие символов в дробной части.
			}
			else
			{
				tb10->Text = "-" + cel(Convert::ToString(celoe)->Replace("-", ""));
				long long y = tb10->Text->Length;
				if (a != ".") tb10->Text += ost(a, y)->Remove(0, 1);
			}
		}
		if (tb6->Text == "0") tb10->Text = "0";
		if (tb6->Text == "-0") tb10->Text = "-0";
		if (tb6->Text->Contains("-0") == 1 && tb6->Text->Contains("1") == 0 && tb6->Text->Contains("2") == 0 && tb6->Text->Contains("3") == 0 && tb6->Text->Contains("4") == 0 && tb6->Text->Contains("5") == 0) tb10->Text = "-0";

		vivod = tb10->Text;
	}
	private: System::Void helpToolStripMenuItem_Click(System::Object^  sender, System::EventArgs^  e) {
		// Нажатие на "Help"
		MyForm1^ newForm = gcnew MyForm1; // создание формы справки
		newForm->ShowDialog();  // инициализация формы справки
	}
	};
}