from geruecht import app
from geruecht.logger import getDebugLogger, getInfoLogger
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, VORSTAND, EXTERN
from flask import request, jsonify

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

debug = getDebugLogger("MAIN-ROUTE", True)
info = getInfoLogger("MAIN-ROUTE")

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:
        debug.info("get pricelist")
        retVal = userController.getPricelist()
        debug.info("return pricelist {{}}".format(retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.warning("exception in get pricelist.", exc_info=True)
        return jsonify({"error": str(err)}), 500

@app.route('/drinkTypes', methods=['GET'])
def getTypes():
    try:
        debug.info("get drinktypes")
        retVal = userController.getAllDrinkTypes()
        debug.info("return drinktypes {{}}".format(retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.warning("exception in get drinktypes.", exc_info=True)
        return jsonify({"error": str(err)}), 500

@app.route('/getAllStatus', methods=['GET'])
@login_required(groups=[USER, MONEY, GASTRO, BAR, VORSTAND])
def _getAllStatus(**kwargs):
    try:
        debug.info("get all status for users")
        retVal = userController.getAllStatus()
        debug.info("return all status for users {{}}".format(retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.warning("exception in get all status for users.", exc_info=True)
        return jsonify({"error": str(err)}), 500

@app.route('/getStatus', methods=['POST'])
@login_required(groups=[USER, MONEY, GASTRO, BAR, VORSTAND])
def _getStatus(**kwargs):
    try:
        debug.info("get status from user")
        data = request.get_json()
        name = data['name']
        debug.info("get status from user {{}}".format(name))
        retVal = userController.getStatus(name)
        debug.info("return status from user {{}} : {{}}".format(name, retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.warning("exception in get status from user.", exc_info=True)
        return jsonify({"error": str(err)}), 500

@app.route('/getUsers', methods=['GET'])
@login_required(groups=[MONEY, GASTRO, VORSTAND])
def _getUsers(**kwargs):
    try:
        debug.info("get all users from database")
        users = userController.getAllUsersfromDB()
        debug.debug("users are {{}}".format(users))
        retVal = [user.toJSON() for user in users]
        debug.info("return all users from database {{}}".format(retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.warning("exception in get all users from database.", exc_info=True)
        return jsonify({"error": str(err)}), 500

@app.route("/getLifeTime", methods=['GET'])
@login_required(groups=[MONEY, GASTRO, VORSTAND, EXTERN, USER])
def _getLifeTime(**kwargs):
    try:
        debug.info("get lifetime of accesstoken")
        if 'accToken' in kwargs:
            accToken = kwargs['accToken']
            debug.debug("accessToken is {{}}".format(accToken))
            retVal = {"value": accToken.lifetime}
            debug.info("return get lifetime from accesstoken {{}}".format(retVal))
            return jsonify(retVal)
    except Exception as err:
        debug.info("exception in get lifetime of accesstoken.", exc_info=True)
        return jsonify({"error": str(err)}), 500

@app.route("/saveLifeTime", methods=['POST'])
@login_required(groups=[MONEY, GASTRO, VORSTAND, EXTERN, USER])
def _saveLifeTime(**kwargs):
    try:
        debug.info("save lifetime for accessToken")
        if 'accToken' in kwargs:
            accToken = kwargs['accToken']
            debug.debug("accessToken is {{}}".format(accToken))
            data = request.get_json()
            lifetime = data['value']
            debug.debug("lifetime is {{}}".format(lifetime))
            debug.info("set lifetime {{}} to accesstoken {{}}".format(lifetime, accToken))
            accToken.lifetime = lifetime
            debug.info("update accesstoken timestamp")
            accToken.updateTimestamp()
            retVal = {"value": accToken.lifetime}
            debug.info("return save lifetime for accessToken {{}}".format(retVal))
            return jsonify(retVal)
    except Exception as err:
        debug.warning("exception in save lifetime for accesstoken.", exc_info=True)
        return jsonify({"error": str(err)}), 500

@app.route("/logout", methods=['GET'])
@login_required(groups=[MONEY, GASTRO, VORSTAND, EXTERN, USER])
def _logout(**kwargs):
    try:
        debug.info("logout user")
        if 'accToken' in kwargs:
            accToken = kwargs['accToken']
            debug.debug("accesstoken is {{}}".format(accToken))
            debug.info("delete accesstoken")
            accesTokenController.deleteAccessToken(accToken)
            debug.info("return ok logout user")
            return jsonify({"ok": "ok"})
    except Exception as err:
        debug.warning("exception in logout user.", exc_info=True)
        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
    """
    debug.info("Start log in.")
    data = request.get_json()
    debug.debug("JSON from request: {}".format(data))
    username = data['username']
    password = data['password']
    try:
        debug.info("search {{}} in database".format(username))
        user, ldap_conn = userController.loginUser(username, password)
        debug.debug("user is {{}}".format(user))
        user.password = password
        token = accesTokenController.createAccesToken(user, ldap_conn)
        debug.debug("accesstoken is {{}}".format(token))
        debug.info("validate accesstoken")
        dic = accesTokenController.validateAccessToken(token, [USER, EXTERN]).user.toJSON()
        dic["token"] = token
        dic["accessToken"] = token
        debug.info("User {{}} success login.".format(username))
        debug.info("return login {{}}".format(dic))
        return jsonify(dic)
    except PermissionDenied as err:
        debug.warning("permission denied exception in logout", exc_info=True)
        return jsonify({"error": str(err)}), 401
    except Exception as err:
        debug.warning("exception in logout.", exc_info=True)
        return jsonify({"error": "permission denied"}), 401