import traceback
from datetime import datetime

from geruecht.exceptions import DatabaseExecption
from geruecht.model.creditList import CreditList
from geruecht.model.user import User


class Base:
    def getCreditListFromUser(self, user, **kwargs):
        try:
            if user.uid == 'extern':
                return []
            cursor = self.db.connection.cursor()
            if 'year' in kwargs:
                sql = "select * from creditList where user_id={} and year_date={}".format(user.id if type(user) is User else user, kwargs['year'])
            else:
                sql = "select * from creditList where user_id={}".format(user.id if type(user) is User else user)
            cursor.execute(sql)
            data = cursor.fetchall()
            if len(data) == 0:
                return self.createCreditList(user_id=user.id, year=datetime.now().year)
            elif len(data) == 1:
                return [CreditList(data[0])]
            else:
                return [CreditList(value) for value in data]
        except Exception as err:
            traceback.print_exc()
            self.db.connection.rollback()
            raise DatabaseExecption("Something went worng with Datatabase: {}".format(err))


    def createCreditList(self, user_id, year=datetime.now().year):
        try:
            cursor = self.db.connection.cursor()
            cursor.execute("insert into creditList (year_date, user_id) values ({},{})".format(year, user_id))
            self.db.connection.commit()
            return self.getCreditListFromUser(user_id)
        except Exception as err:
            traceback.print_exc()
            self.db.connection.rollback()
            raise DatabaseExecption("Something went worng with Datatabase: {}".format(err))


    def updateCreditList(self, creditlist):
        try:
            cursor = self.db.connection.cursor()
            cursor.execute("select * from creditList where user_id={} and year_date={}".format(creditlist.user_id, creditlist.year))
            data = cursor.fetchall()
            if len(data) == 0:
                self.createCreditList(creditlist.user_id, creditlist.year)
            sql = "update creditList set jan_guthaben={}, jan_schulden={},feb_guthaben={}, feb_schulden={}, maer_guthaben={}, maer_schulden={}, apr_guthaben={}, apr_schulden={}, mai_guthaben={}, mai_schulden={}, jun_guthaben={}, jun_schulden={}, jul_guthaben={}, jul_schulden={}, aug_guthaben={}, aug_schulden={},sep_guthaben={}, sep_schulden={},okt_guthaben={}, okt_schulden={}, nov_guthaben={}, nov_schulden={}, dez_guthaben={}, dez_schulden={}, last_schulden={} where year_date={} and user_id={}".format(creditlist.jan_guthaben, creditlist.jan_schulden,
                                                     creditlist.feb_guthaben, creditlist.feb_schulden,
                                                     creditlist.maer_guthaben, creditlist.maer_schulden,
                                                     creditlist.apr_guthaben, creditlist.apr_schulden,
                                                     creditlist.mai_guthaben, creditlist.mai_schulden,
                                                     creditlist.jun_guthaben, creditlist.jun_schulden,
                                                     creditlist.jul_guthaben, creditlist.jul_schulden,
                                                     creditlist.aug_guthaben, creditlist.aug_schulden,
                                                     creditlist.sep_guthaben, creditlist.sep_schulden,
                                                     creditlist.okt_guthaben, creditlist.okt_schulden,
                                                     creditlist.nov_guthaben, creditlist.nov_schulden,
                                                     creditlist.dez_guthaben, creditlist.dez_schulden,
                                                     creditlist.last_schulden, creditlist.year, creditlist.user_id)
            print(sql)
            cursor = self.db.connection.cursor()
            cursor.execute(sql)
            self.db.connection.commit()
        except Exception as err:
            traceback.print_exc()
            self.db.connection.rollback()
            raise DatabaseExecption("Something went worng with Datatabase: {}".format(err))