# Create your models here.
from django.conf import settings
from django.db import models

class Material(models.Model):
    teacher = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.SET_NULL, null=True, blank=True)
    title = models.CharField(max_length=200)
    pdf = models.FileField(upload_to="materials/", blank=True, null=True)
    text = models.TextField(blank=True)
    created_at = models.DateTimeField(auto_now_add=True)

class Flashcard(models.Model):
    material = models.ForeignKey(Material, related_name="cards", on_delete=models.CASCADE)
    title = models.CharField(max_length=120)
    content = models.TextField()
    color = models.CharField(max_length=7)
    order = models.PositiveIntegerField(default=0)

    class Meta:
        ordering = ["order"]