# exams/serializers.py
from rest_framework import serializers
from .models import ExamClass, ExamSubject, ExamTopic, ExamSubtopic, QuestionModel
from django.contrib.auth import get_user_model

User = get_user_model()


class ExamClassSerializer(serializers.ModelSerializer):
    class Meta:
        model = ExamClass
        fields = "__all__"


class ExamSubjectSerializer(serializers.ModelSerializer):
    class Meta:
        model = ExamSubject
        fields = "__all__"


class ExamTopicSerializer(serializers.ModelSerializer):
    class Meta:
        model = ExamTopic
        fields = "__all__"


class ExamSubtopicSerializer(serializers.ModelSerializer):
    class Meta:
        model = ExamSubtopic
        fields = "__all__"


class QuestionSerializer(serializers.ModelSerializer):
    class Meta:
        model = QuestionModel
        fields = "__all__"


class UserRegisterSerializer(serializers.ModelSerializer):
    password = serializers.CharField(write_only=True)

    class Meta:
        model = User
        fields = ["id", "username", "email", "password"]

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