# textdocs/models.py
from django.db import models
from django.urls import reverse

class Document(models.Model):
    """Represents a single document with its fixed sections."""
    title = models.CharField(max_length=255)
    introduction = models.TextField(help_text="The introductory section of the document.")
    main_body = models.TextField(help_text="The main content or analysis.")
    conclusion = models.TextField(help_text="The concluding remarks or summary.")
    created_at = models.DateTimeField(auto_now_add=True)

    def __str__(self):
        return self.title

    def get_absolute_url(self):
        return reverse('document_detail', kwargs={'pk': self.pk})