from django.db import models
from django.contrib.auth.models import User

class Notice(models.Model):
  PRIORITY_CHOICES = [('low', 'Low'), ('medium', 'Medium'), ('high', 'High'), ('urgent', 'Urgent')]
  AUDIENCE_CHOICES = [('all', 'Everyone'), ('students', 'Students'), ('teachers', 'Teachers'), ('parents', 'Parents')]

  title = models.CharField(max_length=200)
  content = models.TextField()
  priority = models.CharField(max_length=10, choices=PRIORITY_CHOICES, default='medium')
  audience = models.CharField(max_length=10, choices=AUDIENCE_CHOICES, default='all')
  author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
  is_active = models.BooleanField(default=True)
  created_at = models.DateTimeField(auto_now_add=True)
  updated_at = models.DateTimeField(auto_now=True)

  def __str__(self):
      return self.title

  class Meta:
      ordering = ['-created_at']