#!/usr/bin/env python3

import ipaddress
import tkinter
import tkinter.ttk
import tkinter.messagebox
import sys


def bin2dec(value):
	return int(value, 2)

def bin2hex(value):
	return hex(int(value, 2))

def dec2bin(value):
	return bin(int(value))

def dec2hex(value):
	return hex(int(value))

def hex2bin(value):
	return bin(int(value, 16))

def hex2dec(value):
	return int(value, 16)

def ip2int(value):
	return int(ipaddress.IPv4Address(str(value)))

def int2ip(value):
	return str(ipaddress.IPv4Address(int(value)))


class MainWindow():
	
	C_FONT = ("Consolas", 16)
	C_TXT_MAXLEN = 32
	
	def __init__(self):
		self._window = tkinter.Tk()
		self._window.title("    pyConversor    ")
		self._window.geometry("820x260")
		self._window.resizable(False, False)
		
		label = tkinter.Label(self._window, text="Number: ", font=MainWindow.C_FONT)
		label.grid(row=0, column=0, padx=10, pady=5)
		
		self._txt_input = tkinter.Entry(self._window, width=MainWindow.C_TXT_MAXLEN, font=MainWindow.C_FONT)
		self._txt_input.grid(row=0, column=1, pady=5)
		self._txt_input.focus()
		
		self._bt_bin = tkinter.Button(self._window, text="Bin", font=MainWindow.C_FONT, command=self.evt_bt_bin)
		self._bt_bin.grid(row=0, column=2, padx=5, pady=5)
		
		self._bt_dec = tkinter.Button(self._window, text="Dec", font=MainWindow.C_FONT, command=self.evt_bt_dec)
		self._bt_dec.grid(row=0, column=4, padx=5, pady=5)
		
		self._bt_hex = tkinter.Button(self._window, text="Hex", font=MainWindow.C_FONT, command=self.evt_bt_hex)
		self._bt_hex.grid(row=0, column=6, padx=5, pady=5)
		
		self._bt_ip = tkinter.Button(self._window, text="IP", font=MainWindow.C_FONT, command=self.evt_bt_ip)
		self._bt_ip.grid(row=0, column=8, padx=5, pady=5)
		
		separator = tkinter.ttk.Separator(self._window,orient=tkinter.HORIZONTAL)
		separator.grid(row=1, column=1, pady=10)
		
		label = tkinter.Label(self._window, text="Binary:", font=MainWindow.C_FONT)
		label.grid(row=2, column=0,  padx=10, pady=5)
		
		self._stringvar_bin = tkinter.StringVar()
		txt_output = tkinter.Entry(self._window, textvariable=self._stringvar_bin, width=MainWindow.C_TXT_MAXLEN, state="readonly", font=MainWindow.C_FONT)
		txt_output.grid(row=2, column=1, pady=5)
		
		label = tkinter.Label(self._window, text="Decimal:", font=MainWindow.C_FONT)
		label.grid(row=3, column=0,  padx=10, pady=5)
		
		self._stringvar_dec = tkinter.StringVar()
		txt_output = tkinter.Entry(self._window, textvariable=self._stringvar_dec, width=MainWindow.C_TXT_MAXLEN, state="readonly", font=MainWindow.C_FONT)
		txt_output.grid(row=3, column=1, pady=5)
		
		label = tkinter.Label(self._window, text="Hexadecimal:", font=MainWindow.C_FONT)
		label.grid(row=4, column=0,  padx=10, pady=5)
		
		self._stringvar_hex = tkinter.StringVar()
		txt_output = tkinter.Entry(self._window, textvariable=self._stringvar_hex, width=MainWindow.C_TXT_MAXLEN, state="readonly", font=MainWindow.C_FONT)
		txt_output.grid(row=4, column=1, pady=5)
		
		label = tkinter.Label(self._window, text="IP Address:", font=MainWindow.C_FONT)
		label.grid(row=5, column=0,  padx=10, pady=5)
		
		self._stringvar_ip = tkinter.StringVar()
		txt_output = tkinter.Entry(self._window, textvariable=self._stringvar_ip, width=MainWindow.C_TXT_MAXLEN, state="readonly", font=MainWindow.C_FONT)
		txt_output.grid(row=5, column=1, pady=5)
		
	def evt_bt_bin(self):
		try:
			bin_value = self._txt_input.get().strip().replace(" ", "")
			dec_value = bin2dec(bin_value)
			hex_value = bin2hex(bin_value)
			ip_value = int2ip(dec_value)
			
			self._set_values(bin_value, dec_value, hex_value, ip_value)
			
		except Exception:
			tkinter.messagebox.showerror("Error", "Invalid conversion")
			print(ex, file=sys.stderr)
	
	def evt_bt_dec(self):
		try:
			dec_value = self._txt_input.get().strip().replace(" ", "")
			bin_value = dec2bin(dec_value)
			hex_value = dec2hex(dec_value)
			ip_value = int2ip(dec_value)
			
			self._set_values(bin_value, dec_value, hex_value, ip_value)
			
		except Exception as ex:
			tkinter.messagebox.showerror("Error", "Invalid conversion")
			print(ex, file=sys.stderr)
		
	def evt_bt_hex(self):
		try:
			hex_value = self._txt_input.get().strip().replace(" ", "")
			bin_value = hex2bin(hex_value)
			dec_value = hex2dec(hex_value)
			ip_value = int2ip(dec_value)
			
			self._set_values(bin_value, dec_value, hex_value, ip_value)
		
		except Exception as ex:
			tkinter.messagebox.showerror("Error", "Invalid conversion")
			print(ex, file=sys.stderr)
	
	def evt_bt_ip(self):
		try:
			ip_value = self._txt_input.get().strip().replace(" ", "")
			dec_value = ip2int(ip_value)
			bin_value = dec2bin(dec_value)
			hex_value = dec2hex(dec_value)
			
			self._set_values(bin_value, dec_value, hex_value, ip_value)
		
		except Exception as ex:
			tkinter.messagebox.showerror("Error", "Invalid conversion")
			print(ex, file=sys.stderr)
	
	def _set_values(self, bin_value, dec_value, hex_value, ip_value):
		if not bin_value.startswith("0b"):
			bin_value = "0b" + bin_value
		if not hex_value.startswith("0x"):
			hex_value = "0x" + hex_value
		
		self._stringvar_bin.set(bin_value)
		self._stringvar_dec.set(dec_value)
		self._stringvar_hex.set(hex_value)
		self._stringvar_ip.set(ip_value)
	
	def mainloop(self):
		self._window.mainloop()


if __name__ == "__main__":
	win = MainWindow()
	win.mainloop()