from flask import Blueprint, request, jsonify
from datetime import datetime
from geruecht import MONEY
from geruecht.routes import verifyAccessToken
from geruecht.model.user import User

finanzer = Blueprint("finanzer", __name__)


@finanzer.route("/getFinanzerMain")
def _getFinanzer():
    """ Function for /getFinanzerMain

        Retrieves all User for the groupe 'moneymaster'

        Returns:
            A JSON-File with Users
            or ERROR 401 Permission Denied.
    """
    token = request.headers.get("Token")

    accToken = verifyAccessToken(token, MONEY)
    if accToken is not None:
        users = User.query.all()
        dic = {}
        for user in users:
            dic[user.userID] = user.toJSON()
        return jsonify(dic)
    return jsonify({"error": "permission denied"}), 401

@finanzer.route("/getFinanzerYears", methods=['POST'])
def _getFinanzerYear():
    """ Get all geruechte from User

        This function returns all geruechte from user with posted userID

        Returns:
            JSON-File with geruechte of special user
            or ERROR 401 Permission Denied
    """
    print(request.headers)
    token = request.headers.get("Token")
    print(token)
    accToken = verifyAccessToken(token, MONEY)

    dic = {}
    if accToken is not None:
        data = request.get_json()
        userID = data['userId']

        user = User.query.filter_by(userID=userID).first()
        dic[user.userID] = {}
        for geruecht in user.geruechte:
            dic[user.userID][geruecht.year] = geruecht.toJSON()
        return jsonify(dic)
    return jsonify({"error": "permission denied"}), 401

@finanzer.route("/finanzerAddAmount", methods=['POST'])
def _addAmount():
    """ Add Amount to User

        This Function add an amount to the user with posted userID.
        If year is not posted the default is the actual Year.
        If month is not posted the default is the actual Month.

        Returns:
            JSON-File with geruecht of year
            or ERROR 401 Permission Denied
    """
    print(request.headers)
    token = request.headers.get("Token")
    print(token)
    accToken = verifyAccessToken(token, MONEY)

    if accToken is not None:
        data = request.get_json()
        userID = data['userId']
        amount = int(data['amount'])

        try:
            year = int(data['year'])
        except KeyError as er:
            print("Error: ", er)
            year = datetime.now().year
        try:
            month = int(data['month'])
        except KeyError as er:
            print("Error: ", er)
            month = datetime.now().month

        user = User.query.filter_by(userID=userID).first()
        user.addAmount(amount, year=year, month=month)
        retVal = user.getGeruecht(year=year).toJSON()
        return jsonify(retVal)
    return jsonify({"error": "permission denied"}), 401

@finanzer.route("/finanzerAddCredit", methods=['POST'])
def _addCredit():
    """ Add Credit to User

        This Function add an credit to the user with posted userID.
        If year is not posted the default is the actual Year.
        If month is not posted the default is the actual Month.

        Returns:
            JSON-File with geruecht of year
            or ERROR 401 Permission Denied
    """
    print(request.headers)
    token = request.headers.get("Token")
    print(token)
    accToken = verifyAccessToken(token, MONEY)

    if accToken is not None:
        data = request.get_json()
        userID = data['userId']
        credit = int(data['credit'])

        try:
            year = int(data['year'])
        except KeyError as er:
            print("Error: ", er)
            year = datetime.now().year
        try:
            month = int(data['month'])
        except KeyError as er:
            print("Error: ", er)
            month = datetime.now().month

        user = User.query.filter_by(userID=userID).first()
        user.addCredit(credit, year=year, month=month)
        retVal = user.getGeruecht(year=year).toJSON()
        return jsonify(retVal)
    return jsonify({"error": "permission denied"}), 401