from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion
import uuid


def work_order_photo_upload_to(instance, filename):
    vehicle_reg = 'unknown'
    try:
        vehicle_reg = instance.work_order.vehicle.registration_number
    except Exception:
        vehicle_reg = 'unknown'
    unique_name = f"{uuid.uuid4().hex}_{filename}"
    return f"fleet/{vehicle_reg}/work_order_photos/{unique_name}"


class Migration(migrations.Migration):

    dependencies = [
        ('fleet', '0021_alter_vehicle_assigned_servicer_many_to_one'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='WorkOrderPhoto',
            fields=[
                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('image', models.ImageField(upload_to=work_order_photo_upload_to, verbose_name='Fotografija putnog naloga')),
                ('description', models.CharField(blank=True, max_length=255, verbose_name='Opis')),
                ('is_active', models.BooleanField(default=True, verbose_name='Aktivan')),
                ('uploaded_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='uploaded_work_order_photos', to=settings.AUTH_USER_MODEL, verbose_name='Postavio')),
                ('work_order', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='photos', to='fleet.workorder', verbose_name='Putni nalog')),
            ],
            options={
                'verbose_name': 'Fotografija putnog naloga',
                'verbose_name_plural': 'Fotografije putnog naloga',
                'ordering': ['-created_at'],
            },
        ),
    ]