from _ast import Lambda
from tkinter import *
from PIL import ImageTk, Image
import tkinter.font as font

root = Tk()
root.resizable(0, 0)
root.configure(background="#84749c", borderwidth=15, relief="raised")


myFont = font.Font(family="Press Start", size=20, weight="bold")


root.title("Retro Calculator")
root.iconbitmap("Calc_icon.ico")


# Create Methods to do Calculations

def button_click(number):
    current = entryBox.get()
    entryBox.delete(0, END)
    entryBox.insert(0, str(current) + str(number))

def button_dec(string):
    current = entryBox.get()
    entryBox.delete(0, END)
    entryBox.insert(0, str(current) + str(string))


def op():
    try:
        global f_num
        first_number = entryBox.get()
        f_num = float(first_number)
        entryBox.delete(0, END)
    except:
        entryBox.delete(0, END)
        entryBox.insert(0, "Error")


def button_add():
    global math
    math = "addition"
    op()


def button_subtract():
    global math
    math = "subtraction"
    op()


def button_divide():
    global math
    math = "division"
    op()


def button_multiply():
    global math
    math = "multiplication"
    op()


def button_clear():
    entryBox.delete(0, END)


def button_eq():
    current = entryBox.get()
    entryBox.delete(0, END)

    if math == "addition":
        entryBox.insert(0, float(f_num) + float(current))


    elif math == "subtraction":
        entryBox.insert(0, float(f_num) - float(current))

    elif math == "multiplication":
        entryBox.insert(0, float(f_num) * float(current))

    elif math == "division":
        try:
            entryBox.insert(0, float(f_num) / float(current))
        except:
            entryBox.insert(0, "Error")


# Create the entry Box
entryBox = Entry(root, width=10, borderwidth=7, bg="#008850", fg="#00e533", relief="sunken")
entryBox["font"] = myFont
# Place Entry Box
entryBox.grid(row=1, column=0, columnspan=4, padx=10, pady=20, ipady=15)

# Create Buttons
button1 = Button(root, text=("1"), command=lambda: button_click(1), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button1["font"] = myFont
button2 = Button(root, text=("2"), command=lambda: button_click(2), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button2["font"] = myFont
button3 = Button(root, text=("3"), command=lambda: button_click(3), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button3["font"] = myFont

button4 = Button(root, text=("4"), command=lambda: button_click(4), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button4["font"] = myFont
button5 = Button(root, text=("5"), command=lambda: button_click(5), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button5["font"] = myFont
button6 = Button(root, text=("6"), command=lambda: button_click(6), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button6["font"] = myFont

button7 = Button(root, text=("7"), command=lambda: button_click(7), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button7["font"] = myFont
button8 = Button(root, text=("8"), command=lambda: button_click(8), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button8["font"] = myFont
button9 = Button(root, text=("9"), command=lambda: button_click(9), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
button9["font"] = myFont
button0 = Button(root, text=("0"), command=lambda: button_click(0), height=2, width=4, padx=15, bg="#84779d", fg="#11141d", borderwidth=7)
button0["font"] = myFont

buttonDiv = Button(root, text=("/"), command=button_divide, height=2, width=2, bg="#c3c4c8", fg="#11141d", borderwidth=7)
buttonDiv["font"] = myFont
buttonMul = Button(root, text=("*"), command=button_multiply, height=2, width=2, bg="#c3c4c8", fg="#11141d", borderwidth=7)
buttonMul["font"] = myFont
buttonSub = Button(root, text=("-"), command=button_subtract, height=2, width=2, bg="#c3c4c8", fg="#11141d", borderwidth=7)
buttonSub["font"] = myFont

buttonAdd = Button(root, text=("+"), command=button_add, height=5, width=2, bg="#c3c4c8", fg="#11141d", borderwidth=7)
buttonAdd["font"] = myFont

buttonEq = Button(root, text=("="), command=button_eq, height=5, width=2, bg="#ffa400", fg="#172752", borderwidth=7)
buttonEq["font"] = myFont
buttonDec = Button(root, text=("."), command=lambda: button_click("."), height=2, width=2, bg="#84779d", fg="#11141d", borderwidth=7)
buttonDec["font"] = myFont
buttonC = Button(root, text=("C"), command=button_clear, height=2, width=2, bg="#ff78a9", fg="#11141d", borderwidth=7)
buttonC["font"] = myFont

# Place Button on screen
button1.grid(row=5, column=0)
button2.grid(row=5, column=1)
button3.grid(row=5, column=2)

button4.grid(row=4, column=0, pady=10)
button5.grid(row=4, column=1)
button6.grid(row=4, column=2)

button7.grid(row=3, column=0)
button8.grid(row=3, column=1)
button9.grid(row=3, column=2)

button0.grid(row=6, column=0, columnspan=2, pady=10)
buttonDec.grid(row=6, column=2)

buttonAdd.grid(row=3, rowspan=2, column=3, ipady=10)
buttonEq.grid(row=5, rowspan=2, column=3, ipady=7)

buttonC.grid(row=2, column=0, pady=10)
buttonDiv.grid(row=2, column=1, padx=4)
buttonMul.grid(row=2, column=2)
buttonSub.grid(row=2, column=3, padx=4)

root.mainloop()