def register_user():
    email = request.form['email']
    password = request.form['password']

    User.register(email, password)

    return render_template("profile.html", email=session['email'])

def submit_quiz():
    if request.get_json() is None:
        return jsonify({"result": "error", "field":"", "message": "Not valid model!"}), 200
    quiz = Quiz.factory_form_json(request.get_json())
    if quiz.get_points() is "":
        return jsonify({"result": "error", "field":"points", "message": "Points cannot be empty"}), 200
    if not quiz.is_valid_model():
        return jsonify({"result": "error", "field":"", "message": "Not valid model!"}), 200
    if len(quiz.get_title()) == 0:
        return jsonify({"result": "error", "field": "title", "message": "Title cannot be empty!"}), 200
    if quiz.get_points() < 0:
        return jsonify({"result": "error", "field":"points", "message": "Points cannot be less then 0!"}), 200
    quiz_real = Quiz.get_by_id(uuid.UUID(quiz._id))

    passed = False
    if quiz_real.mark_subbmitted_quiz(quiz):
        passed = True
    try:
        QuizProfile.get_by_composite_id(uuid.UUID(quiz._id),session['email'])
        return jsonify({"result": "ok", "field": "title", "message": "", "relocateTo": "/quiz_profile/"+str(quiz_real.get_id()) }), 200
    except NoSuchQuizProfileExistException as e:
        new_quiz_profile = QuizProfile(uuid.UUID(quiz._id),session['email'],datetime.now(),0,passed)
        new_quiz_profile.save_to_db()
        User.update_user_points(session['email'],"virtual",quiz_real.get_points())
        return jsonify({"result": "ok", "field": "title", "message": "", "relocateTo": "/quiz_profile/"+str(quiz_real.get_id())}), 200

def admin_edit_profile_page(user):
    universities = University.get_uni_list()
    profile = User.find_by_email(user)
    mypermissions = User.get_user_permissions(session['email'])
    permissions = [permission_level for permission_level in Database.find(Permissions.COLLECTION, {})]
    return render_template('edit-profile.html', user=user, universities=universities, profile=profile,
                           permissions=permissions, mypermissions=mypermissions)

def save():
    if request.method == 'POST':
        username = request.form['username']
        password = request.form['password']
        user = User(username, password)
        user.save()
    return

def user_blogs(user_id=None):
    if user_id is not None:
        user = User.get_by_id(user_id)
    else:
        user = User.get_by_email(session['email'])
    blogs = user.get_blogs()
    return render_template('user_blogs.html', blogs=blogs, email=user.email)

    def test_save_simple_user_to_db(self):
        email = "[email protected]"
        user = User(email, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
        user.permissions = Permissions.default().name
        user.save_to_db()

        self.assertIsNotNone(User.find_by_email(email))

        Database.remove("users", {"email": email})

def home_function():
    email = request.form['email']
    password = request.form['password']
    if User.login_valid(email,password):
        User.login_valid(email,password)
    else:
        session['email'] = None

    return render_template('homepage.html',user=session['email'])

def login():
    email = request.form['email']
    password = request.form['password']

    if User.login_valid(email, password):
        User.login(email)
    else:
        session['email'] = None
    return render_template("profile.html", email=session['email'])

def login_user():
    email = request.form['email']
    password = request.form['password']
    if User.login_valid(email, password):
        print('user verified')
        User.login(email)
    else:
        session['email'] = None
    print('session email', session['email'])
    return render_template('profile.html', email=session['email'])

def edit_profile():
    if User.check_login(session['email'], request.form['password']):
        user = User.find_by_email(session['email'])
        user.data.update(firstname=request.form['firstname'], lastname=request.form['lastname'],
                         university=request.form['university'], level=request.form['level'],
                         country=request.form['country'], school=request.form['college'],
                         subject=request.form['course'], year=request.form['yearofstudy'])

        user.save_to_db()
        return make_response(view_profile())
    else:
        return render_template('user-profile.html', message="Incorrect Password")

def login_user():
    email = request.form['email']
    password = request.form['password']

    if User.login_valid(email, password):
        User.login(email)
    else:
        session['email'] = None
        return render_template('login.html',
                               failed_login=True)  # check if variable check_login is passed, other wise do not display error message

    return render_template("profile.html", email=session['email'])

def login_user():
    email=request.form['email']
    password=request.form['password']


    if User.login_valid(email,password):
        User.login(email)
    else:
        session['email']=None
        print('Wrong Details')
        return render_template("login.html",email=session['email'])

    return render_template("choice.html",email=session['email'])

def admin_update_user_profile():
    if User.check_login(session['email'], request.form['password']):
        user = User.find_by_email(request.form['email'])
        user.data.update(firstname=request.form['firstname'], lastname=request.form['lastname'],
                         university=request.form['university'], level=request.form['level'],
                         country=request.form['country'], school=request.form['college'],
                         subject=request.form['course'], year=request.form['yearofstudy'],
                         permissions=request.form['permissions'])

        user.save_to_db()
        return redirect("/admin/view-profile/" + request.form['email'])
    else:
        return render_template('user-profile.html', message="Incorrect Password")

def login_userapp():
    email=request.form['email']
    password=request.form['password']


    if User.login_valid(email,password):
        User.login(email)
        print('Correct Details')
    else:
        session['email']=None
        print('Wrong Details')


    return jsonify({"status":"success"})

def update_attended(user, event_id):
    id_ = uuid.UUID(event_id)
    event = Event.get_by_id(id_)
    category = event.get_event_type()
    points = event.get_points()

    if EventRegister.get_user_attended(user, event_id):
        EventRegister.set_user_attended(user, event_id)
        User.update_user_points(user, category, -points)
    else:
        User.update_user_points(user, category, points)
        EventRegister.set_user_attended(user, event_id)

    return jsonify({"message": "ok"}), 200

def tester_method():

    email=request.form['email']
    print(email)
    user=User.get_by_email(email)
    Database.update("users",{"email":email},{"printdata":"no"})
    return "done"

def auth_process():
    data = request.get_json()
    if not data:
        abort(415)

    login = data.get("login", None)
    password = data.get("password", None)

    if not login or not password:
        return jsonify({"status": "fail", "message": "Вы должны ввести логин и пароль"})

    try:
        user = User.get(User.login == login)
    except User.DoesNotExist:
        return jsonify({"status": "fail", "message": "Логин или пароль неправильные"})

    rounds, password_hash, salt = parse_hashed_password(user.password)

    if hash_password(password, rounds, salt) != user.password:
        return jsonify({"status": "fail", "message": "Логин или пароль неправильные"})

    safe_session = SafeSession.create(user=user, salt=generate_random_bytes_in_base64(32),
                                      session_key=generate_random_bytes_in_base64(32),
                                      session_expire=datetime.utcnow() + SESSION_ALIVE_TIME,
                                      client_ip=request.remote_addr)
    session["safe_id"] = safe_session.id
    session["safe_salt"] = safe_session.salt

    return jsonify({
        "status": "ok",
        "sessionKey": safe_session.session_key,
        "userPrivateData": user.private_data,
    })

def register_user():
    email=request.form['email']
    password=request.form['password']
    if (email is "") or (password is ""):
        flash("Please fill email id and password")
    else:
        user_data = Database.find_one('users', {'email': email})
        if not Utils.email_is_valid(email):
            flash("Your email has a invalid format.")
        elif user_data is not None:
            flash("User email id already exists!")
        else:
            User.register(email,password)
            return render_template('profile.html', email=session['email'])

    return render_template('register.html')

def view_event_registrations(event_id):
    if session.contains('email') and session['email'] is not None:
        if User.get_user_permissions(session['email']) == 'admin':
            users = EventRegister.list_registered_users(event_id)
            return render_template('admin-event-registrations.html', users=users, event_id=event_id)
        else:
            abort(401)

def login_user():
    email=request.form['email']
    password=request.form['password']

    if (email is "") or (password is ""):
        flash("Please fill email id and password")
        return render_template('login.html')

    if User.login_valid(email,password):
        User.login(email)
    else:
        flash("Invalid credentials")
        session['email']=None
        return render_template('login.html')


    return render_template('profile.html',email=session['email'])