from geruecht import app, LOGGER
from geruecht.exceptions import PermissionDenied
from geruecht.controller import accesTokenController, userController
from geruecht.model import MONEY, BAR, USER, GASTRO
from flask import request, jsonify


def login(user, password):
    return user.login(password)

@app.route("/valid")
def _valid():
    token = request.headers.get("Token")
    accToken = accesTokenController.validateAccessToken(token, MONEY)
    if accToken:
        return jsonify(accToken.user.toJSON())
    accToken = accesTokenController.validateAccessToken(token, BAR)
    if accToken:
        return jsonify(accToken.user.toJSON())
    accToken = accesTokenController.validateAccessToken(token, GASTRO)
    if accToken:
        return jsonify(accToken.user.toJSON())
    accToken = accesTokenController.validateAccessToken(token, USER)
    if accToken:
        return jsonify(accToken.user.toJSON())
    return jsonify({"error": "permission denied"}), 401

@app.route("/login", methods=['POST'])
def _login():
    """ Login User

        Nothing to say.
        Login in User and create an AccessToken for the User.

        Returns:
            A JSON-File with createt Token or Errors
    """
    LOGGER.info("Start log in.")
    data = request.get_json()
    print(data)
    LOGGER.debug("JSON from request: {}".format(data))
    username = data['username']
    password = data['password']
    LOGGER.info("search {} in database".format(username))
    try:
        user = userController.loginUser(username, password)
        token = accesTokenController.createAccesToken(user)
        dic = user.toJSON()
        dic["token"] = token
        dic["accessToken"] = token
        LOGGER.info("User {} success login.".format(username))
        return jsonify(dic)
    except PermissionDenied as err:
        return jsonify({"error": str(err)}), 401
    LOGGER.info("User {} does not exist.".format(username))
    return jsonify({"error": "wrong username"}), 401