from tkinter import *
import json
import sys
import os
import unicodedata

class Interface:
    import webbrowser


    def __init__(self):
        self.datafilepath=os.path.dirname(os.path.realpath(__file__))+"/chaine.json"
        self.data = load_jsonfile(self.datafilepath)
        self.fenetre = Tk()
        self.fenetre.title("recherche de chaine")
        self.value = StringVar()
        self.label = Label(self.fenetre, text="entrer numero de chaine")
        self.entree = Entry(self.fenetre, textvariable=self.value, width=30)
        self.frame = Frame(self.fenetre)
        self.label2 = Label(self.fenetre, text="")
        self.bouton_update_base = Button(
        self.fenetre, text="update la base de chaine", command=self.click_update)
        self.bouton = Button(self.frame, text="OK", command=self.click)
        self.reset = Button(self.frame, text="reset", command=self.click_reset)
        self.label.pack()
        self.entree.pack()
        self.entree.focus_set()
        self.frame.pack()
        self.bouton.pack(side=LEFT)
        self.reset.pack(side=RIGHT)
        self.label2.pack()
        self.bouton_update_base.pack()
        self.fenetre.bind("<Key-Return>", self.enter)
        self.fenetre.bind("<Key-Escape>", self.eventreset)
        

    def enter(self,evt):
        self.click()

    def eventreset(self,evt):
        self.click_reset()

    def mainloop(self):
        self.fenetre.mainloop()

    def click(self):
        print(self.value.get())
        try:
            self.label2["text"] += self.data[self.value.get()]+"\r"
            print(self.data[self.value.get()])
        except KeyError:
            print("numero de chaine inconnue")
            self.label2["text"] += "numero de chaine inconnue"+"\r"
            self.value.set("")
            return
        self.label2["text"] += geturlprogrammetv(self.data[self.value.get()])
        self.value.set("")
                

    def click_reset(self):
        print("reset")
        self.fenetre.quit
        self.label2["text"] = ""
        self.fenetre.mainloop

    def click_update(self):
        parsechaine(self.datafilepath)
        self.data = load_jsonfile(self.datafilepath)
        self.label2["text"] += "update chaine done"+"\r"



def load_jsonfile(file):
    try:
        with open(file, 'r', encoding='utf-8') as f:
            return json.load(f)
    except FileNotFoundError:
        parsechaine(file)
        with open(file, 'r', encoding='utf-8') as f:
            return json.load(f)    

def RepresentsInt(s):
    try: 
        int(s)
        return True
    except ValueError:
        return False
    except TypeError:
        return False


def parsechaine(file):
    from bs4 import BeautifulSoup
    import urllib.request
    URL = 'https://fr.wikipedia.org/wiki/Liste_des_cha%C3%AEnes_de_Canal'
    liste_chaine = {} 
    response = urllib.request.urlopen(URL)
    html = response.read()
    parse = BeautifulSoup(html,"html.parser")
    for item in parse.find_all('table'):
        if (item.get("class") == ['wikitable'] or item.get("class") == ['wikitable', 'sortable']):
            for tr in item.find_all('tr'):
            
                firstTD = tr.find()
                num = firstTD.text
                #print(num)  
                if RepresentsInt(num):
                                
                    if RepresentsInt(firstTD.find_next().string):
                       #print(firstTD.find_next().find_next().text)
                       liste_chaine[int(num)] = firstTD.find_next().find_next().text
                    else:
                        #print(firstTD.find_next().string)
                        liste_chaine[int(num)] = firstTD.find_next().text
    print(json.dumps(liste_chaine, indent=4))
    with open(file, 'w', encoding='utf-8') as f:
        json.dump(liste_chaine, f, indent=4)

def geturlprogrammetv(strsearch):
    strsearch=unicodedata.normalize('NFD', strsearch).encode('ascii', 'ignore') 
    strsearch=strsearch.decode("utf-8")
    strsearch=strsearch.replace(" ","+")
    return "https://www.programme-tv.net/rechercher?q="+strsearch



def cli(num):
    datafilepath=os.path.dirname(os.path.realpath(__file__))+"/chaine.json"
    data = load_jsonfile(datafilepath)
    print(num)
    try:
            print(data[num])
    except KeyError:
        print("numero de chaine inconnue")
        return
    print (geturlprogrammetv(data[num]))


if len(sys.argv) > 1:
    for i in sys.argv[1:]:
        if i =="update":
            parsechaine(os.path.dirname(os.path.realpath(__file__))+"/chaine.json")
        else:
            cli(i)
else:
    interface = Interface()
    interface.value.set("")
    interface.mainloop()