class PasswordChangeAPI(MethodView):
    """
    Password change resource
    """
    @login_required
    @exception_handler
    def post(self):
        post_data = request.get_json()
        print(self.post.user)
        user = self.post.user
        old_password = post_data.get('old_password')
        new_password = post_data.get('new_password')

        if user and user.check_password(old_password) and new_password:
            user.set_password(new_password)
            db.session.commit()
            response_object = {
                'status': 'success',
                'response_code': 'PASSWORD_CHANGED'
            }
            response = make_response(jsonify(response_object), 200)

        else:
            response_object = {
                'status': 'fail',
                'response_code': 'FAIL_PASSWORD'
            }
            response = make_response(jsonify(response_object), 400)

        return response





# decorators

def exception_handler(func):
    @wraps(func)
    def wrapped_view(*args, **kwargs):
        try:
            print(args)
            response = func(args, kwargs)
        except Exception as e:
            print(e)
            response_object = {
                'status': 'fail',
                'response_code': 'SERVER_ERROR'
            }
            response = make_response(jsonify(response_object), 500)
            return response

        return response
    return wrapped_view


def login_required(func):
    @wraps(func)
    def wrapped_view(*args, **kwargs):
        secret_key = current_app.config['SECRET_KEY']
        try:
            jw_token = jwt.decode(request.cookies.get('session'), secret_key, algorithms='HS512')
        except jwt.ExpiredSignatureError:
            response = make_response(jsonify({'status': 'fail', 'response_code': 'TOKEN_EXPIRED'}), 401)
            return response

        user = User.query.filter_by(
            email=jw_token['email'],
            username=jw_token['username'],
            id=jw_token['id']
        ).first()

        if not user:
            response_object = {
                'status': 'fail',
                'response_code': 'INVALID_TOKEN'
            }
            response = make_response(jsonify(response_object), 403)

        else:
            wrapped_view.user = user
            print(args)
            response = func(args, kwargs)

        return response

    return wrapped_view