# coding: utf-8
# adapted from: https://freres.peyronnet.eu/scraping-en-python-pour-etre-alerte-des-nouveaux-creneaux-drive-chez-super-u/

import requests
from bs4 import BeautifulSoup
import time
from lxml import html
from tkinter import Label, Entry, Button, Tk
import tkinter as tk


def main_search_loop(slot_string_var, url_entry, refresh):
    slot_string_var.set("Créneau disponible: (recherche en cours...)")
    while True:
        resp = requests.get(url_entry.get())
        data = resp.content
        soup = BeautifulSoup(data, "lxml")
        tree = html.fromstring(data)
        isit = tree.xpath('//a[@class="store__content-delivery hidden"]/text()')
        if not len(isit) or isit[0] == "Information momentanément indisponible":
            slot_string_var.set(
                'Créneau disponible: Information momentanément indisponibles, nouvelle tentative dans {} minute(s)'.format(refresh.get())
            )
            time.sleep(int(refresh.get())*60)
            continue
        else:
            slot_string_var.set('Créneau disponible: {}'.format(isit[0]))
            print('créneau disponible: {}'.format(isit[0]))
            break


window = Tk()

window.title("drive-u delivery slot tracker")
window.geometry('650x400')

url_label = Label(window, text="URL du magasin:")
url_label.grid(column=0, row=0)

url_entry = Entry(window, width=50)
url_entry.insert(0, "https://www.coursesu.com/drive-superu-montpellier")
url_entry.grid(column=0, row=1)


refresh_label = Label(window, text="Rafraichir toutes les (minutes): ")
refresh_label.grid(column=0, row=2)

refresh_entry = Entry(window, width=4, text='1')
refresh_entry.insert(0, '1')
refresh_entry.grid(column=1, row=2)

slot_string_var = tk.StringVar(value="Créneau disponible: ")
slot_label = Label(window, textvariable=slot_string_var)
slot_label.grid(column=0, row=3)
btn = Button(window, text="Rechercher", command= lambda: main_search_loop(slot_string_var,
                                                                          url_entry,
                                                                          refresh_entry))
btn.grid(column=4, row=4)
window.mainloop()