import uuid
from django.db import models
from django.conf import settings
from decimal import Decimal


class WalletTransaction(models.Model):
    TRANSACTION_TYPES = [
        ('deposit', 'Deposit'),
        ('withdrawal', 'Withdrawal'),
        ('fee', 'Fee'),
    ]
    
    STATUS_CHOICES = [
        ('pending', 'Pending'),
        ('completed', 'Completed'),
        ('failed', 'Failed'),
    ]
    
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='wallet_transactions')
    transaction_type = models.CharField(max_length=20, choices=TRANSACTION_TYPES)
    amount = models.DecimalField(max_digits=10, decimal_places=2)
    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='pending')
    stripe_payment_intent_id = models.CharField(max_length=255, null=True, blank=True)
    description = models.TextField(blank=True)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)
    
    class Meta:
        ordering = ['-created_at']
    
    def __str__(self):
        return f"{self.user.email} - {self.transaction_type} - ${self.amount}"