from django.db import models


class ExamSection(models.Model):
    class SectionType(models.IntegerChoices):
        INSTRUCTION = 0
        QUESTION = 1

    variant = models.ForeignKey("labs.ExamVariant", on_delete=models.CASCADE)
    title = models.CharField(max_length=255)
    section_type = models.IntegerField(choices=SectionType.choices, default=SectionType.INSTRUCTION)
    content = models.JSONField(default=dict)
    display_order = models.IntegerField(default=0)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        db_table = "exam_sections"