from flask import Flask
import sqlite3
import time
import re

app = Flask( 'pywallter' )
app.config.from_pyfile('config.py')


########################### Variables Globales #################################
extensionimg = app.config.get('EXT_IMG')
DATABASE = app.config.get('DATABASE')

conn = sqlite3.connect(DATABASE) # Connexion à la base de donnée
cursor = conn.cursor() # Création de l'objet "curseur"
cursor.execute("""SELECT title, creation_date, last_updated FROM Blog_posts """ )
list_posts=cursor.fetchall()
for post in list_posts:
    title=post[0]
    tmp = re.sub(r'[^a-zA-Z0-9 ]', '', title.rstrip())
    title_id = tmp.replace(' ', '-')
    newDatePost = ""
    newDateUdatedPost = ""
    if post[1] != '':
        try:
            date_post = time.strptime(post[1], '%d/%m/%Y %H:%M:%S')
        except:
            print(title +'-- Posted at: '+ str(post[1]) + ' Not modified: The date is not in the old format')
            newDatePost = post[1]
        else: 
            newDatePost = time.strftime("%Y-%m-%d %H:%M:%S", date_post)
    if post[2] != '':
        try:
            last_updated_post = time.strptime(post[2], '%d/%m/%Y %H:%M:%S')
        except: 
            print(title + '-- Updated at '+ str(post[2]) + ' Not modified: The date is not in the old format')
            newDateUpdatedPost = post[2]
        else:
            newDateUpdatedPost = time.strftime("%Y-%m-%d %H:%M:%S", last_updated_post)
        
    cursor.execute("""UPDATE Blog_posts set creation_date=?, last_updated=?, title_id=? WHERE title=?""", (newDatePost, newDateUpdatedPost, title_id, title))
    
conn.commit()