import os

from openslides.utils.plugins import collect_plugins

MODULE_DIR = os.path.realpath(os.path.dirname(os.path.abspath(__file__)))


# Application definition

INSTALLED_APPS = [
    'openslides.core',
    'openslides.users',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.staticfiles',
    'rest_framework',
    'channels',
    'openslides.agenda',
    'openslides.topics',
    'openslides.motions',
    'openslides.assignments',
    'openslides.mediafiles',
]

INSTALLED_PLUGINS = collect_plugins()  # Adds all automaticly collected plugins

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.locale.LocaleMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'openslides.urls'

ALLOWED_HOSTS = ['*']

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
    },
]


# Internationalization
# https://docs.djangoproject.com/en/1.10/topics/i18n/

LANGUAGE_CODE = 'en'

LANGUAGES = (
    ('en', 'English'),
    ('de', 'Deutsch'),
    ('fr', 'Français'),
    ('es', 'Español'),
    ('pt', 'Português'),
    ('cs', 'Český'),
)

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

LOCALE_PATHS = [
    os.path.join(MODULE_DIR, 'locale'),
]


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.10/howto/static-files/

STATIC_URL = '/static/'

STATIC_ROOT = os.path.join(MODULE_DIR, '..', 'collected-static')

STATICFILES_DIRS = [
    os.path.join(MODULE_DIR, 'static'),
]


# Sessions and user authentication
# https://docs.djangoproject.com/en/1.10/topics/http/sessions/
# https://docs.djangoproject.com/en/1.10/topics/auth/

AUTH_USER_MODEL = 'users.User'

AUTHENTICATION_BACKENDS = [
    'openslides.utils.auth.CustomizedModelBackend',
]

SESSION_COOKIE_NAME = 'OpenSlidesSessionID'

SESSION_EXPIRE_AT_BROWSER_CLOSE = True

CSRF_COOKIE_NAME = 'OpenSlidesCsrfToken'

CSRF_COOKIE_AGE = None

PASSWORD_HASHERS = [
    'django.contrib.auth.hashers.PBKDF2PasswordHasher',
    'django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher',
    'django.contrib.auth.hashers.Argon2PasswordHasher',
    'django.contrib.auth.hashers.BCryptSHA256PasswordHasher',
    'django.contrib.auth.hashers.BCryptPasswordHasher',
    'django.contrib.auth.hashers.MD5PasswordHasher',  # MD5 is only used for initial passwords.
]


# Files
# https://docs.djangoproject.com/en/1.10/topics/files/

MEDIA_URL = '/media/'


# Cache
# https://docs.djangoproject.com/en/1.10/topics/cache/

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
        'LOCATION': 'openslides-cache',
        'OPTIONS': {
            'MAX_ENTRIES': 10000
        }
    }
}


# Django REST framework
# http://www.django-rest-framework.org/api-guide/settings/

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework.authentication.SessionAuthentication',
        'openslides.utils.auth.RESTFrameworkAnonymousAuthentication',
    )
}


# Django Channels
# http://channels.readthedocs.io/en/latest/

CHANNEL_LAYERS = {
    'default': {
        'BACKEND': 'asgiref.inmemory.ChannelLayer',
        'ROUTING': 'openslides.routing.channel_routing',
        'CONFIG': {
            'capacity': 1000,
        },
    },
}