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

accesTokenController = ac.AccesTokenController()
userController = uc.UserController()

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("/pricelist", methods=['GET'])
def _getPricelist():
    try:
        retVal = userController.getPricelist()
        print(retVal)
        return jsonify(retVal)
    except Exception as err:
        return jsonify({"error": str(err)})

@app.route('/drinkTypes', methods=['GET'])
def getTypes():
    try:
        retVal = userController.getAllDrinkTypes()
        return jsonify(retVal)
    except Exception as err:
        return jsonify({"error": str(err)}), 500

@app.route('/getAllStatus', methods=['GET'])
@login_required(groups=[USER, MONEY, GASTRO, BAR])
def _getAllStatus(**kwargs):
    try:
        retVal = userController.getAllStatus()
        return jsonify(retVal)
    except Exception as err:
        return jsonify({"error": str(err)}), 500

@app.route('/getStatus', methods=['POST'])
@login_required(groups=[USER, MONEY, GASTRO, BAR])
def _getStatus(**kwargs):
    try:
        data = request.get_json()
        name = data['name']
        retVal = userController.getStatus(name)
        return jsonify(retVal)
    except Exception as err:
        return jsonify({"error": str(err)}), 500

@app.route('/getUsers', methods=['GET'])
@login_required(groups=[MONEY, GASTRO])
def _getUsers(**kwargs):
    try:
        users = userController.getAllUsersfromDB()
        retVal = [user.toJSON() for user in users]
        return jsonify(retVal)
    except Exception as err:
        return jsonify({"error": str(err)}), 500

@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, ldap_conn = userController.loginUser(username, password)
        user.password = password
        token = accesTokenController.createAccesToken(user, ldap_conn)
        dic = accesTokenController.validateAccessToken(token, [USER]).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
    except Exception:
        return jsonify({"error": "permission denied"}), 401
    LOGGER.info("User {} does not exist.".format(username))
    return jsonify({"error": "wrong username"}), 401