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


class TenantProvisioningLog(models.Model):
    """Audit log for tenant creation via API."""
    tenant_name = models.CharField(max_length=255, db_index=True)
    external_key = models.CharField(max_length=255)
    created_by = models.ForeignKey(User, on_delete=models.CASCADE)
    created_at = models.DateTimeField(auto_now_add=True)
    status = models.CharField(max_length=50, choices=[
        ('success', 'Success'),
        ('failed', 'Failed'),
    ])
    error_message = models.TextField(blank=True)
    tenant_config_id = models.IntegerField(null=True, blank=True)

    class Meta:
        ordering = ['-created_at']
        indexes = [
            models.Index(fields=['tenant_name', 'created_at']),
        ]

    def __str__(self):
        return f"{self.tenant_name} - {self.status} - {self.created_at}"