import os
from pathlib import Path

BASE_DIR = Path(__file__).resolve().parent.parent
SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', 'dev-secret-key-change-in-production')
DEBUG = os.environ.get('DJANGO_DEBUG', 'False').lower() == 'true'
ALLOWED_HOSTS = os.environ.get('DJANGO_ALLOWED_HOSTS', '*').split(',')

INSTALLED_APPS = [
    'django.contrib.contenttypes',
    'django.contrib.staticfiles',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.middleware.common.CommonMiddleware',
]

ROOT_URLCONF = 'app.urls'
WSGI_APPLICATION = 'app.wsgi.application'
LANGUAGE_CODE = 'zh-hans'
TIME_ZONE = 'Asia/Shanghai'
STATIC_URL = '/static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'