from rest_framework.serializers import ModelSerializer, Serializer
from rest_framework import serializers
from django.contrib.auth import password_validation

from .models import User


class UserSerializer(ModelSerializer):
    class Meta:
        model = User
        fields = (
            "id",
            "username",
            "nickname",
        )


class UserCreateSerializer(ModelSerializer):
    class Meta:
        model = User
        fields = (
            "username",
            "password",
            "nickname",
        )
        extra_kwargs = {
            "password": {"write_only": True},
        }

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


class PasswordSerializer(Serializer):
    oldPassword = serializers.CharField(required=True)
    newPassword = serializers.CharField(required=True)

    def validate_newPassword(self, value):
        password_validation.validate_password(value)
        return value