from cgitb import text
from statistics import variance
from tabnanny import check
from tkinter import *
from tkinter import messagebox

def ShowCalculation(service,gst,calculated):
    root2 = Tk()
    root2.title("Result")
    root2.geometry("50x80")

    label = Label(root2, text="Gst RM{}\nService Tax RM{}\n\nTotal RM{}".format(round(gst,2),round(service,2),round(calculated,2)))
    label.place(x=1,y=1)

    root2.mainloop()

def Calculate():

    price = enterPrice.get()
    gstTax = 0.035
    serviceTax = 0.075
    totalGst = 0
    totalService = 0

    if (price == "") :
        # Widget 5
        messagebox.showerror("ERROR : 0XXDES324", "Please enter some input to calculate!")
        return

    if (price.isnumeric() == False) :
        # Widget 5
        messagebox.showerror("ERROR : 0XXDES223", "Please enter numeric value!")
        return

    print(checkGst.get())

    if(checkGst.get() == 1):
        totalGst = int(price) * gstTax
        print(totalGst)

    if(checkService.get() == 1):
        totalService = int(price) * serviceTax
        print(totalService)

    ShowCalculation(totalService,totalGst,int(price) - int(totalGst) - int(totalService))



root = Tk()
root.title("LAB TASK 4")
root.geometry("135x160")
root.resizable(0,0)

checkGst = IntVar()
checkService = IntVar()

# Widget 1
label1 = Label(root, text="   TAX CALCULATOR\n      ENTER PRICE")
label1.place(x=5,y=1)

# Widget 2
enterPrice = Entry(root, textvariable="Enter Price RM")
enterPrice.place(x=5, y = 50)

# Widget 3
checkButton = Checkbutton(root, text="Service tax", variable = checkService)
checkButton.place(x=25, y = 75)

# Widget 3
checkButton = Checkbutton(root, text="Gst tax", variable = checkGst)
checkButton.place(x=25, y = 100)

# Widget 4
btnConfirm = Button(root, text ="Confirm",width=10,fg='brown', bg='light green', command=Calculate)
btnConfirm.place(x=20,y=125)

root.mainloop()