# -*- coding: utf-8 -*-
#
# ITerativ GmbH
# http://www.iterativ.ch/
#
# Copyright (c) 2019 ITerativ GmbH. All rights reserved.
#
# Created on 2019-10-08
# @author: chrigu <christian.cueni@iterativ.ch>
from django.contrib.auth import get_user_model
from rest_framework import serializers
from rest_framework.fields import CharField, EmailField
from django.utils.translation import ugettext_lazy as _
from registration.models import License, LicenseType


class RegistrationSerializer(serializers.Serializer):
    first_name = CharField(allow_blank=False)
    last_name = CharField(allow_blank=False)
    email = EmailField(allow_blank=False)
    license_key = CharField(allow_blank=False)
    skillbox_license = None

    def validate_email(self, value):
        lower_email = value.lower()
        # the email is used as username
        if len(get_user_model().objects.filter(username=lower_email)) > 0:
            raise serializers.ValidationError(_(u'Diese E-Mail ist bereits registriert'))
        elif len(get_user_model().objects.filter(email=lower_email)) > 0:
            raise serializers.ValidationError(_(u'Dieser E-Mail ist bereits registriert'))
        else:
            return lower_email

    def validate_license_key(self, value):
        license_types = LicenseType.objects.filter(key=value, active=True)
        if len(license_types) == 0:
            raise serializers.ValidationError(_(u'Die Lizenznummer ist ungültig'))

        self.context['license_type'] = license_types[0]  # Assuming there is just ONE license per key
        return value