from rest_framework import serializers
from django.contrib.auth.models import User
from .models import Todo

class UserSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = ('id', 'username')
        extra_kwargs = {'password': {'write_only': True}}

    def create(self, validated_data):
        user = User.objects.create_user(
            username=validated_data['username'],
            password=validated_data['password']
        )
        return user

class TodoSerializer(serializers.ModelSerializer):
    class Meta:
        model = Todo
        fields = ('id', 'title', 'completed', 'created_at')