"""
WSGI config for rad project.

It exposes the WSGI callable as a module-level variable named ``application``.

For more information on this file, see
https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
"""

import os

from django.core.wsgi import get_wsgi_application
from loguru import logger
import sys
from pathlib import Path
import logging

# Configure Loguru sinks early so app imports see consistent logging.
# Log to stdout (so `docker logs` shows messages) and to a file at
# `/var/log/rad/app.log` for persistent collection / host tailing.
try:
	# ensure directory exists
	log_dir = Path("/var/log/rad")
	log_dir.mkdir(parents=True, exist_ok=True)
	# Determine stdout level: allow overriding with LOGURU_STDOUT_LEVEL env var,
	# otherwise expose DEBUG when DEBUG env var is truthy, fall back to INFO.
	raw_debug = os.environ.get("DEBUG", "0")
	env_level = os.environ.get("LOGURU_STDOUT_LEVEL")
	if env_level:
		stdout_level = env_level
	else:
		stdout_level = "DEBUG" if raw_debug.lower() in ("1", "true", "yes") else "INFO"

	# Add stdout sink (if not already added by other code)
	logger.remove()  # remove default handlers to avoid duplicate lines
	logger.add(sys.stdout, level=stdout_level, enqueue=True, backtrace=False, diagnose=False)
	# Add rotating file sink for persistence in container. Use JSON lines
	# (serialize=True) to make logs easy to query in Loki/Grafana.
	logger.add(
		str(log_dir / "app.log"),
		rotation="10 MB",
		retention="10 days",
		level="DEBUG",
		enqueue=True,
		serialize=True,
	)
	logger.debug("Loguru logging configured with stdout and file sinks (stdout=%s)", stdout_level)

	logging.root.setLevel(logging.DEBUG)
except Exception:
	# Best-effort only — don't crash WSGI startup if logging can't be configured
	try:
		logger.add(sys.stderr, level="DEBUG", enqueue=True, backtrace=False, diagnose=False)
	except Exception:
		pass
	logger.debug("Failed to configure Loguru logging sinks, continuing without file logging")

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "rad.settings")

application = get_wsgi_application()