from django.db import models
from django.db.models import Prefetch
from django.apps import apps

class DeckNameTranslation(models.Model):
  id = models.AutoField(primary_key=True)
  name = models.CharField(max_length=64)
  deck = models.ForeignKey("Deck", on_delete=models.PROTECT, related_name='name_translations')
  language = models.CharField(max_length=64)
  created_at = models.DateTimeField(auto_now_add=True)
  updated_at = models.DateTimeField(auto_now=True)

  def __str__(self):
    return self.name

class CardNameTranslation(models.Model):
  id = models.AutoField(primary_key=True)
  name = models.CharField(max_length=64)
  card = models.ForeignKey("Card", on_delete=models.PROTECT, related_name='name_translations')
  language = models.CharField(max_length=64)
  created_at = models.DateTimeField(auto_now_add=True)
  updated_at = models.DateTimeField(auto_now=True)

  def __str__(self):
    return self.name
class Deck(models.Model):
  id = models.AutoField(primary_key=True)
  name = models.CharField(max_length=64)
  hex_color = models.CharField(max_length=9)
  cardset = models.CharField(max_length=8)
  created_at = models.DateTimeField(auto_now_add=True)
  updated_at = models.DateTimeField(auto_now=True)

  def __str__(self):
    return self.name

class Card(models.Model):
  id = models.AutoField(primary_key=True)
  name = models.CharField(max_length=128)
  decks = models.ManyToManyField("Deck")
  cardset = models.CharField(max_length=8)
  cardnum = models.IntegerField()
  style = models.CharField(max_length=255, null=False)
  rarity_icon = models.CharField(max_length=8)
  rarity_level = models.IntegerField()
  created_at = models.DateTimeField(auto_now_add=True)
  updated_at = models.DateTimeField(auto_now=True)

  def __str__(self):
    # For display, we show the original rarity icons.
    return f"{self.name} {self.rarity_icon} {self.cardset}"