#!/bin/sh
set -eu

echo "Starting IoT PreTester 4.6 Demo backend (LOG_LEVEL=${LOG_LEVEL:-info})"
echo "tshark: $(tshark -v 2>/dev/null | head -n 1 || echo 'NOT FOUND')"

mkdir -p /app/data /app/files/uploads /app/logs /app/django_project/staticfiles
cd /app/django_project

python manage.py migrate --noinput
python manage.py collectstatic --noinput

# Keep the configured demo administrator reproducible across container restarts.
python manage.py shell <<'PY'
import os

from django.contrib.auth import get_user_model
from django.utils.timezone import now

User = get_user_model()
username = os.environ.get("DJANGO_SUPERUSER_USERNAME", "admin")
email = os.environ.get("DJANGO_SUPERUSER_EMAIL", "admin@example.com")
password = os.environ["DJANGO_SUPERUSER_PASSWORD"]

user, created = User.objects.get_or_create(username=username, defaults={"email": email})
user.email = email
user.is_superuser = True
user.is_staff = True
user.is_active = True
user.set_password(password)
user.last_login = now()
user.save()
print("Demo administrator created" if created else "Demo administrator synchronized")
PY

# A restart loses in-flight background analyses. Without this the frontend
# would poll a capture that is stuck in "analyzing" forever.
python manage.py shell <<'PY'
from IoTAnalyzer.models import File

stale = File.objects.filter(status__in=["analyzing", "pending"])
count = stale.count()
if count:
    stale.update(status="analysis_failed")
print(f"Reset {count} interrupted capture analyses")
PY

if [ "${INIT_DATABASE:-true}" = "true" ]; then
    python create_models.py
fi

# Errors and application logs go to stdout/stderr so `docker compose logs`
# shows them; /app/logs keeps rotating copies (backend.log, access.log).
exec gunicorn IoTPreTester.wsgi:application \
    --bind 0.0.0.0:8000 \
    --workers "${GUNICORN_WORKERS:-4}" \
    --timeout "${GUNICORN_TIMEOUT:-120}" \
    --access-logfile /app/logs/access.log \
    --error-logfile - \
    --capture-output \
    --log-level "${LOG_LEVEL:-info}"