import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *


class MyWindow(QWidget):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("Kalkulator BMI")
        grid = QGridLayout()
        self.setLayout(grid)

        self.label = QLabel("Kalkulator BMI")
        self.label.setFont(QFont("Calibri", 21))
        grid.addWidget(self.label, 0, 0)

        label1 = QLabel("Podaj mase")
        label1.setFont(QFont("Calibri", 16))
        grid.addWidget(label1, 1, 0)

        label2 = QLabel("Podaj wzrost")
        label2.setFont(QFont("Calibri", 16))
        grid.addWidget(label2, 2, 0)

        self.oblicz_button = QPushButton("Oblicz BMI", self)
        self.oblicz_button.clicked.connect(self.oblicz)
        grid.addWidget(self.oblicz_button, 3, 0)

        self.textbox1 = QTextEdit('50', self)
        grid.addWidget(self.textbox1, 1, 1)
        self.textbox2 = QTextEdit('150', self)
        grid.addWidget(self.textbox2, 2, 1)
        self.textbox3 = QTextEdit('0', self)
        grid.addWidget(self.textbox3, 3, 1)
        self.textbox4 = QTextEdit('Opis', self)
        grid.addWidget(self.textbox4, 4, 1)

        self.radiobutton1 = QRadioButton("kg")
        self.radiobutton1.setChecked(True)
        self.radiobutton1.toggled.connect(self.oblicz)
        grid.addWidget(self.radiobutton1, 1, 2)

        self.radiobutton2 = QRadioButton("lbs")
        self.radiobutton2.setChecked(False)
        self.radiobutton2.toggled.connect(self.oblicz)
        grid.addWidget(self.radiobutton2, 1, 3)

        self.radiobutton3 = QRadioButton("m")
        self.radiobutton3.setChecked(True)
        self.radiobutton3.toggled.connect(self.oblicz)
        grid.addWidget(self.radiobutton3, 2, 2)

        self.radiobutton4 = QRadioButton("cm")
        self.radiobutton4.setChecked(False)
        self.radiobutton4.toggled.connect(self.oblicz)
        grid.addWidget(self.radiobutton4, 2, 3)

    def oblicz(self):
        masa = float(self.textbox1.toPlainText())
        if self.radiobutton2.isChecked():
            masa = masa * 0.4535
            print(f"masa: {masa}")
        wzrost = float(self.textbox2.toPlainText())
        if self.radiobutton4.isChecked():
            wzrost = wzrost * 0.01
            print(f"Wzrost: {wzrost}")

        bmi = masa / (wzrost * wzrost)
        print(f"BMI: {bmi}")
        self.textbox3.setText(str(bmi))

        if self.checkbox1.isChecked():
            if bmi <16:
                self.textbox4.setText("Wyglodzenie")
            if bmi <17:
                self.textbox4.setText("Wychudzenie")
            if bmi <16:
                self.textbox4.setText("Wyglodzenie")

if __name__ == '__main__':
    app = QApplication(sys.argv)
    MyWindow = MyWindow()
    MyWindow.resize(640, 480)
    MyWindow.show()
    sys.exit(app.exec_())