from rest_framework import serializers
from .models import OpcCertification

class OpcCertificationSerializer(serializers.ModelSerializer):
    user_detail = serializers.SerializerMethodField()

    class Meta:
        model = OpcCertification
        fields = '__all__'
        read_only_fields = ['id', 'user', 'status', 'reviewer', 'reviewed_at', 'rating', 'rating_tags', 'rating_note', 'rated_by', 'rated_at', 'created_at', 'updated_at']

    def get_user_detail(self, obj):
        user = obj.user
        return {
            'id': user.id,
            'username': user.username,
            'nickname': user.nickname,
            'avatar_url': user.avatar_url,
            'email': user.email,
            'phone': user.phone
        }