from flask import (
    Blueprint, flash, g, redirect, render_template, request, session, url_for
)
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from auth import login_required

from config import CONFIG 
from create_db import Deck, User

from deck import get_deck, probabilistic_deck_generator

bp = Blueprint('menu', __name__, url_prefix='/menu')

engine = create_engine(CONFIG['DB_CONNECTION'])
dbsessionmaker = sessionmaker(bind=engine)
dbsession = dbsessionmaker()

@bp.route("/", methods=("GET", "POST"))
def index():
    if 'user_id' in session:
        user_id = session['user_id']
        username = session['username']

        print(username)

        if request.method == "POST":
            action = request.form.get("menu", False) #internetna rešitev, nevem kako, ampak dela, tj. dobi info iz meni buttonov
            print(action)
            if action == "new_session":
                # @TODO tu bi moral preveriti če je kak unfinished deck, potem bi pisalo continiue, namesto new
                
                #ustvari novi vnos v Deck
                deck = probabilistic_deck_generator(user_id, 5, 5)
                cards_by_id = get_deck(deck)
                number_of_cards = len(cards_by_id.split(","))
                
                print(cards_by_id, number_of_cards)
                deck = Deck(cards_by_id=cards_by_id, owner_id=user_id, number_of_cards=number_of_cards, current_card=0, completed=False)
                dbsession.add(deck)
                dbsession.commit()

                return redirect(url_for("deck"))
            elif action == "matches":
                pass
            elif action == "upload":
                return redirect(url_for("upload.index"))
            elif action == "settings":
                pass
            elif action == "instructions":
                pass
            elif action == "about":
                pass


    return render_template("menu/menu.html", username=username)