from PyQt5.QtWidgets import QMessageBox

class Calculator:
	def __init__(self, dict):
		self.plus = dict["plus"]
		self.minus = dict["minus"]
		self.multi = dict["multi"]
		self.dele = dict["dele"]
		self.result = dict["result"]
		self.number_one = dict["number_one"]
		self.number_two = dict["number_two"]

		self.start()

	def start(self):
		self.plus.clicked.connect(self.test)
		self.minus.clicked.connect(self.minus_func)
		self.multi.clicked.connect(self.multi_func)
		self.dele.clicked.connect(self.dele_func)

	def test(self):
		print("Hello, world!")

	def popup_action(self, button):
		print(button.toPlainText())

	def plus_func(self):
		try:
			result = int(self.number_one.toPlainText()) + int(self.number_two.toPlainText())
			self.result.setText(str(result))
		except ValueError:
			err = QMessageBox()

			err.setWindowTitle("Ошибка")
			err.setText("Сейчас это действите выполнить нельзя")
			err.setIcon(QMessageBox.Warning)
			err.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)
			err.setDefaultButton(QMessageBox.Cancel)
			err.setInformativeText("Два раза срака")
			err.setDetailedText("Детальное описание ошибки")

			err.exec_()

	def minus_func(self):
		result = int(self.number_one.toPlainText()) - int(self.number_two.toPlainText())
		self.result.setText(str(result))

	def multi_func(self):
		result = int(self.number_one.toPlainText()) * int(self.number_two.toPlainText())
		self.result.setText(str(result))

	def dele_func(self):
		result = int(self.number_one.toPlainText()) / int(self.number_two.toPlainText())
		self.result.setText(str(result))