"""
Production settings.

- validate the configuration
- disable debug mode
- load secret key from environment variables
- set other production configurations
"""
from django.core.exceptions import ImproperlyConfigured

from .base import *  # noqa
from .base import TEMPLATES, env

# CONFIGURATION VALIDATION
# ------------------------------------------------------------------------------
# Ensure that the database configuration has been set
if not env('DJANGO_DATABASE_URL', default=None):
    raise ImproperlyConfigured(
        "No database configuration has been set, you should check "
        "the value of your DATABASE_URL environment variable."
    )

# Ensure that the default email address has been set
if not env('DEFAULT_FROM_EMAIL', default=None):
    raise ImproperlyConfigured(
        "No default email address has been set, you should check "
        "the value of your DEFAULT_FROM_EMAIL environment variable."
    )

# GENERAL
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/stable/ref/settings/#debug
DEBUG = False

# https://docs.djangoproject.com/en/stable/ref/settings/#secret-key
SECRET_KEY = env('DJANGO_SECRET_KEY')

# https://docs.djangoproject.com/en/stable/ref/settings/#allowed-hosts
ALLOWED_HOSTS = env.list('DJANGO_ALLOWED_HOSTS', default=[])

# TEMPLATES
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/stable/ref/settings/#templates
TEMPLATES[0]['OPTIONS']['debug'] = DEBUG
TEMPLATES[0]['OPTIONS']['loaders'] = [
    (
        'django.template.loaders.cached.Loader',
        [
            'django.template.loaders.filesystem.Loader',
            'django.template.loaders.app_directories.Loader',
        ],
    )
]

# ------------------------------------------------------------------------------
# APPLICATION AND 3RD PARTY LIBRARY SETTINGS
# ------------------------------------------------------------------------------