from flask import Blueprint, request, jsonify
import geruecht.controller.ldapController as lc
import geruecht.controller.userController as uc
from datetime import datetime
from geruecht.model import BAR, MONEY, USER, VORSTAND
from geruecht.decorator import login_required
from geruecht.logger import getDebugLogger, getCreditLogger

debug = getDebugLogger()
creditL = getCreditLogger()

baruser = Blueprint("baruser", __name__)

ldap= lc.LDAPController()
userController = uc.UserController()


@baruser.route("/bar")
@login_required(groups=[BAR])
def _bar(**kwargs):
    """ Main function for Baruser

        Returns JSON-file with all Users, who hast amounts in this month.

        Returns:
            JSON-File with Users, who has amounts in this month
            or ERROR 401 Permission Denied
    """
    debug.info("/bar")
    try:
        dic = {}
        users = userController.getAllUsersfromDB()
        for user in users:
            geruecht = None
            geruecht = user.getGeruecht(datetime.now().year)
            if geruecht is not None:
                month = geruecht.getMonth(datetime.now().month)
                amount = month[0] - month[1]
                all = geruecht.getSchulden()
                if all != 0:
                    if all >= 0:
                        type = 'credit'
                    else:
                        type = 'amount'
                    dic[user.uid] = {"username": user.uid,
                                        "firstname": user.firstname,
                                        "lastname": user.lastname,
                                        "amount": all,
                                        "locked": user.locked,
                                        "type": type
                                        }
        debug.debug("return {{}}".format(dic))
        return jsonify(dic)
    except Exception as err:
        debug.debug("exception", exc_info=True)
        return jsonify({"error": str(err)}), 500


@baruser.route("/baradd", methods=['POST'])
@login_required(groups=[BAR])
def _baradd(**kwargs):
    """ Function for Baruser to add amount

        This function added to the user with the posted userID the posted amount.

        Returns:
            JSON-File with userID and the amount
            or ERROR 401 Permission Denied
    """
    debug.info("/baradd")
    try:
        data = request.get_json()
        userID = data['userId']
        amount = int(data['amount'])

        date = datetime.now()
        userController.addAmount(userID, amount, year=date.year, month=date.month)
        user = userController.getUser(userID)
        geruecht = user.getGeruecht(year=date.year)
        month = geruecht.getMonth(month=date.month)
        amount = abs(month[0] - month[1])
        all = geruecht.getSchulden()
        if all >= 0:
            type = 'credit'
        else:
            type = 'amount'
        dic = user.toJSON()
        dic['amount'] = abs(all)
        dic['type'] = type
        debug.debug("return {{}}".format(dic))
        creditL.info("{} Baruser {} {} fügt {} {} {} € Schulden hinzu.".format(date, kwargs['accToken'].user.firstname, kwargs['accToken'].user.lastname, user.firstname, user.lastname, amount/100))
        return jsonify(dic)
    except Exception as err:
        debug.debug("exception", exc_info=True)
        return jsonify({"error": str(err)}), 500


@baruser.route("/barGetUsers")
@login_required(groups=[BAR, MONEY])
def _getUsers(**kwargs):
    """ Get Users without amount

        This Function returns all Users, who hasn't an amount in this month.

        Returns:
            JSON-File with Users
            or ERROR 401 Permission Denied
    """
    debug.info("/barGetUsers")
    try:
        retVal = {}
        retVal = ldap.getAllUser()
        debug.debug("return {{}}".format(retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.debug("exception", exc_info=True)
        return jsonify({"error": str(err)}), 500

@baruser.route("/bar/storno", methods=['POST'])
@login_required(groups=[BAR])
def _storno(**kwargs):
    """ Function for Baruser to storno amount

            This function added to the user with the posted userID the posted amount.

            Returns:
                JSON-File with userID and the amount
                or ERROR 401 Permission Denied
        """
    debug.info("/bar/storno")
    try:
        data = request.get_json()
        userID = data['userId']
        amount = int(data['amount'])

        date = datetime.now()
        userController.addCredit(userID, amount, year=date.year, month=date.month)
        user = userController.getUser(userID)
        geruecht = user.getGeruecht(year=date.year)
        month = geruecht.getMonth(month=date.month)
        amount = abs(month[0] - month[1])
        all = geruecht.getSchulden()
        if all >= 0:
            type = 'credit'
        else:
            type = 'amount'
        dic = user.toJSON()
        dic['amount'] = abs(all)
        dic['type'] = type
        debug.debug("return {{}}".format(dic))
        creditL.info("{} Baruser {} {} storniert {} € von {} {}".format(date, kwargs['accToken'].user.firstname, kwargs['accToken'].user.lastname, amount/100, user.firstname, user.lastname))
        return jsonify(dic)
    except Exception as err:
        debug.debug("exception", exc_info=True)
        return jsonify({"error": str(err)}), 500

@baruser.route("/barGetUser", methods=['POST'])
@login_required(groups=[BAR])
def _getUser(**kwargs):
    debug.info("/barGetUser")
    try:
        data = request.get_json()
        username = data['userId']
        user = userController.getUser(username)
        amount = user.getGeruecht(datetime.now().year).getSchulden()
        if amount >= 0:
            type = 'credit'
        else:
            type = 'amount'

        retVal = user.toJSON()
        retVal['amount'] = amount
        retVal['type'] = type
        debug.debug("return {{}}".format(retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.debug("exception", exc_info=True)
        return jsonify({"error": str(err)}), 500

@baruser.route("/search", methods=['GET'])
@login_required(groups=[BAR, MONEY, USER,VORSTAND])
def _search(**kwargs):
    debug.info("/search")
    try:
        retVal = ldap.getAllUser()
        for user in retVal:
            if user['username'] == 'extern':
                retVal.remove(user)
                break
        debug.debug("return {{}}".format(retVal))
        return jsonify(retVal)
    except Exception as err:
        debug.debug("exception", exc_info=True)
        return jsonify({"error": str(err)}), 500