from .models import User
from rest_framework import serializers


class UserCreationSerializer(serializers.ModelSerializer):
    email = serializers.EmailField(allow_null=False, allow_blank=False)
    password = serializers.CharField(min_length=8)

    class Meta:
        model = User
        fields = ['email', 'password']

    def validate(self, attrs):
        email_exists = User.objects.filter(email=attrs['email']).exists()
        if email_exists:
            raise serializers.ValidationError(detail='El email es necesario')
        attrs['username'] = attrs['email']
        return super().validate(attrs)