from rest_framework import serializers
from .models import User


class UserSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = ["id", "username", "avatar_url", "created_at"]
        read_only_fields = fields


class UserUpdateSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = ["avatar_url"]


class FCMTokenSerializer(serializers.Serializer):
    token = serializers.CharField(max_length=512)