# coding=utf-8

from Tkinter import *

import tkMessageBox

from configurer import contacts

root = Tk()

tl = None

l_name = Label(root, text="Name")

l_name.grid(row=0, column=0)

e_name = Entry(root)

e_name.grid(row=0, column=1)

l_phone = Label(root, text="Phone")

l_phone.grid(row=1, column=0)

e_phone = Entry(root)

e_phone.grid(row=1, column=1)

def clear_entries():

e_name.delete(0, END)

e_phone.delete(0, END)

def ask_create_contact():

try:

contacts.create_contact(e_name.get(), e_phone.get())

clear_entries()

tkMessageBox.showinfo("Success", "Contact added")

except ValueError as e:

tkMessageBox.showerror("Error", e)

def ask_find_contact():

try:

phone = contacts.find_contact(e_name.get())

e_phone.delete(0, END)

e_phone.insert(0, phone)

except ValueError as e:

tkMessageBox.showerror("Error", e)

def ask_update_contact():

try:

contacts.update_contact(e_name.get(), e_phone.get())

clear_entries()

tkMessageBox.showinfo("Success", "Contact updated")

except ValueError as e:

tkMessageBox.showerror("Error", e)

def ask_delete_contact():

try:

contacts.delete_contact(e_name.get())

clear_entries()

tkMessageBox.showinfo("Success", "Contact deleted")

except ValueError as e:

tkMessageBox.showerror("Error", e)

def ask_list_contacts():

global tl

b_l.config(text="Close List", command=on_tl_exit)

tl = Toplevel(root)

tl.bind('<Destroy>', on_tl_exit)

scrollbar = Scrollbar(tl)

scrollbar.pack(side=RIGHT, fill=Y)

lb = Listbox(tl)

lb.pack()

lb.config(yscrollcommand=scrollbar.set)

scrollbar.config(command=lb.yview)

for name, phone in contacts.list_contacts():

lb.insert(0, "{}:{}".format(name, phone))

def on_tl_exit(_=None):

b_l.config(text="Show All", command=ask_list_contacts)

tl.destroy()

def on_exit():

contacts.save_contacts()

root.quit()

Button(root, text="Add", width=10, command=ask_create_contact).grid(row=0, column=2)

Button(root, text="Find", width=10, command=ask_find_contact).grid(row=1, column=2)

Button(root, text="Update", width=10, command=ask_update_contact).grid(row=2, column=2)

Button(root, text="Delete", width=10, command=ask_delete_contact).grid(row=3, column=2)

b_l = Button(root, text="Show All", width=10, command=ask_list_contacts)

b_l.grid(row=3, column=0)

root.protocol("WM_DELETE_WINDOW", on_exit)

root.mainloop()