from functools import wraps
from .logger import getDebugLogger
DEBUG = getDebugLogger()


def login_required(**kwargs):
    import geruecht.controller.accesTokenController as ac
    from geruecht.model import BAR, USER, MONEY, GASTRO
    from flask import request, jsonify
    accessController = ac.AccesTokenController()
    groups = [USER, BAR, GASTRO, MONEY]
    if "groups" in kwargs:
        groups = kwargs["groups"]
    DEBUG.debug("groups are {{ {} }}".format(groups))

    def real_decorator(func):
        @wraps(func)
        def wrapper(*args, **kwargs):
            token = request.headers.get('Token')
            DEBUG.debug("token is {{ {} }}".format(token))
            accToken = accessController.validateAccessToken(token, groups)
            DEBUG.debug("accToken is {{ {} }}".format(accToken))
            kwargs['accToken'] = accToken
            if accToken:
                DEBUG.debug("token {{ {} }} is valid".format(token))
                return func(*args, **kwargs)
            else:
                DEBUG.warning("token {{ {} }} is not valid".format(token))
                return jsonify({"error": "error",
                                "message": "permission denied"}), 401
        return wrapper
    return real_decorator