#include <cmath>
#include "MyForm1.h"
#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^  button2;
	private: System::Windows::Forms::Button^  button3;
	private: System::Windows::Forms::Button^  button4;
	private: System::Windows::Forms::Button^  button5;
	private: System::Windows::Forms::Button^  button6;
	private: System::Windows::Forms::Button^  button7;
	private: System::Windows::Forms::Button^  button8;
	private: System::Windows::Forms::Button^  button9;
	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^  tb13;
	private: System::Windows::Forms::TextBox^  tb10;
	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->button3 = (gcnew System::Windows::Forms::Button());
			this->button4 = (gcnew System::Windows::Forms::Button());
			this->button5 = (gcnew System::Windows::Forms::Button());
			this->button6 = (gcnew System::Windows::Forms::Button());
			this->button7 = (gcnew System::Windows::Forms::Button());
			this->button8 = (gcnew System::Windows::Forms::Button());
			this->button9 = (gcnew System::Windows::Forms::Button());
			this->button0 = (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->tb13 = (gcnew System::Windows::Forms::TextBox());
			this->tb10 = (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(12, 254);
			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(78, 254);
			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);
			//
			// button0
			//
			this->button0->Location = System::Drawing::Point(12, 300);
			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(118, 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(118, 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(118, 40);
			this->buttonBackSpace->TabIndex = 0;
			this->buttonBackSpace->Text = L"BackSpace";
			this->buttonBackSpace->UseVisualStyleBackColor = true;
			this->buttonBackSpace->Click += gcnew System::EventHandler(this, &MyForm::buttonBackSpace_Click);
			//
			// tb13
			//
			this->tb13->BackColor = System::Drawing::Color::White;
			this->tb13->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->tb13->Location = System::Drawing::Point(13, 116);
			this->tb13->Name = L"tb13";
			this->tb13->ReadOnly = true;
			this->tb13->Size = System::Drawing::Size(331, 38);
			this->tb13->TabIndex = 1;
			this->tb13->Text = L"0";
			this->tb13->TextAlign = System::Windows::Forms::HorizontalAlignment::Right;
			//
			// 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(12, 57);
			this->tb10->Name = L"tb10";
			this->tb10->ReadOnly = true;
			this->tb10->Size = System::Drawing::Size(331, 38);
			this->tb10->TabIndex = 1;
			this->tb10->Text = L"0";
			this->tb10->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"13-ричная 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"10-ричная система счисления";
			//
			// MyForm
			//
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(356, 348);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->label1);
			this->Controls->Add(this->tb10);
			this->Controls->Add(this->tb13);
			this->Controls->Add(this->button0);
			this->Controls->Add(this->button7);
			this->Controls->Add(this->buttonBackSpace);
			this->Controls->Add(this->buttonClear);
			this->Controls->Add(this->buttonRavno);
			this->Controls->Add(this->button4);
			this->Controls->Add(this->button9);
			this->Controls->Add(this->button8);
			this->Controls->Add(this->button6);
			this->Controls->Add(this->button5);
			this->Controls->Add(this->button3);
			this->Controls->Add(this->button2);
			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(372, 386);
			this->MinimumSize = System::Drawing::Size(372, 386);
			this->Name = L"MyForm";
			this->Text = L"Калькулятор 10->13";
			this->menuStrip1->ResumeLayout(false);
			this->menuStrip1->PerformLayout();
			this->ResumeLayout(false);
			this->PerformLayout();

		}
		int 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, int y) { // Перевод дробной части
			double ost = Convert::ToDouble(x); // Перевод строки в дабл
			String^ otv = "0,"; // Создание строки для вывода ответа
			double o = 0; // переменная для записи целой части числа в цикле
			while (ost != 0 && y != 19) {
				ost *= 3; // Умножение исходного числа на 13
				ost = modf(ost, &o);   // отделение целого и дробного. ost - дробное.
				if (o < 3) otv += Convert::ToString(o);
				y++;
			}
			return otv; // Возвращение переведённой строки
		}
		String^ cel(String^ x) {
			if(x=="0") return "0"; // проверка на 0
			String^ otv = ""; // Создание строки для вывода ответа
			_int64 chislo = Convert::ToInt64(x); // отбрасывание дробной части исходного числа
			int num = 0; // Переменная для записи остатка
			while (chislo != 0 ) {
				num = chislo % 3;
				chislo = chislo / 3;
				otv = Convert::ToString(num) + otv;
			}
			return otv;
		}
	void zapis(int x) // Ввод данных в верхний текстбокс.
	{
		if (n != 12)
		{
			if (tb10->Text == "0" || tb10->Text == "-0")
			{
				if (x != 0)
				{
					if (tb10->Text == "0") tb10->Text = Convert::ToString(x);
					if (tb10->Text == "-0") tb10->Text = "-" + Convert::ToString(x);
					n++;
				}
			}
			else
			{
				tb10->Text += x;
				n++;
			}
			if (n == 12)
			{
				vivod = tb13->Text;
				tb13->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 1-9, 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 buttonClear_Click(System::Object^  sender, System::EventArgs^  e) {
	// Очистка полей ввода, вывода, счётчика введённых цифр
	tb10->Text = "0";
	tb13->Text = "0";
	n = 0;
}
private: System::Void buttonDot_Click(System::Object^  sender, System::EventArgs^  e) {
	// Нажатие на кнопку разделителя
	if (tb10->Text->Contains(",") == 0) // Проверка на наличие разделителя
	{
		if (tb10->Text == "0" || tb10->Text == "-0") n++; // если в целой части 0 или -0, считаем 0 как цифру.
		tb10->Text = tb10->Text + ","; // Дописываем разделитель справа
	}
}
private: System::Void buttonZnak_Click(System::Object^  sender, System::EventArgs^  e) {
	// Нажатие на кнопку "+/-"
	if (tb10->Text->Contains("-") == 0) tb10->Text = "-" + tb10->Text; // Если минуса не было, дописываем слева
	else
	{
		tb10->Text = tb10->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 = tb10->Text->Contains(","); // Проверка на разделитель
	if (n == 1 && dot == 0) // 1 цифра и разделителя нет
	{
		if (tb10->Text->Contains("-") == 1)
		{
			tb10->Text = "-" + "0";
			n--;
		}
		else
		{
			n--;
			tb10->Text = "0";
		}
	}
	if (n == 1 && dot == 1) // 1 цифра и есть разделитель
	{
		tb10->Text = tb10->Text->Remove(tb10->Text->Length - 1, 1);
	}
	if (n > 1) // цифр больше чем 1
	{
		tb10->Text = tb10->Text->Remove(tb10->Text->Length - 1, 1);
		if(dot == tb10->Text->Contains(",")) n--;
	}
	if (n == 11) tb13->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 = tb10->Text->Contains("-");
	if (tb10->Text->Contains(",") == 0)
	{
		if(minus == 0) tb13->Text = cel(tb10->Text->Replace("-", ""));
		else
		{
			tb13->Text = "-" + cel(tb10->Text->Replace("-", ""));
		}
	}
	else
	{
		_int64 celoe = _int64(Convert::ToDouble(tb10->Text));
		String^ a = tb10->Text; // новая строка с элементами текстбокса
		int position = 0; // переменная для определения позиции разделителя
		int size = tb10->Text->Length; // Количество символов в строке
		for (int i = 0; i < size; i++) // цикл подсчёта позиции разделителя
		{
			if (a[i] == ',')
			{
				position = i;
				break;
			}
		}
		a = tb10->Text->Remove(0, position); // Удаление целой части при наличии остатка
		if (minus == 0)
		{
			tb13->Text = cel(Convert::ToString(celoe));
			int y = tb13->Text->Length;
			if (a != ",") tb13->Text += ost(a, y)->Remove(0, 1); // Проверка на наличие символов в дробной части.
		}
		else
		{
			tb13->Text = "-" + cel(Convert::ToString(celoe)->Replace("-", ""));
			int y = tb13->Text->Length;
			if (a != ",") tb13->Text += ost(a, y)->Remove(0, 1);
		}
	}
	if (tb10->Text == "0") tb13->Text = "0";
	if (tb10->Text == "-0") tb13->Text = "-0";
	vivod = tb13->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
}
};
}