from rest_framework import serializers
from django.contrib.auth.password_validation import validate_password
from apps.account.models import User


class WebUserRegisterSerializer(serializers.ModelSerializer):
    password = serializers.CharField(write_only=True, validators=[validate_password])
    fcm = serializers.CharField(required=False, allow_blank=True, allow_null=True)
    email = serializers.EmailField()

    class Meta:
        model = User
        fields = ['id', 'fullname', 'email', 'password', 'fcm']
        extra_kwargs = {
            'fullname': {'required': True},
            'email': {'required': True},
        }

    def validate_email(self, value):
        normalized_email = User.objects.normalize_email(value)
        if User.objects.filter(email=normalized_email).exists():
            raise serializers.ValidationError("This email is already registered.")
        return normalized_email

    def create(self, validated_data):
        user = super().create(validated_data)
        return user