"""
Django settings for the gestioBDS project.
"""

import os
from pathlib import Path

from loadcredential import Credentials

credentials = Credentials(env_prefix="GESTIOBDS_")

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

# WARNING: keep the secret key used in production secret!
SECRET_KEY = credentials["SECRET_KEY"]

# WARNING: don't run with debug turned on in production!
DEBUG = credentials.get_json("DEBUG", False)

ALLOWED_HOSTS = credentials.get_json("ALLOWED_HOSTS", [])
ADMINS = credentials.get_json("ADMINS", [])

SERVER_EMAIL = credentials.get("SERVER_EMAIL")
EMAIL_HOST = credentials.get("EMAIL_HOST")

DEFAULT_AUTO_FIELD = "django.db.models.AutoField"


##
# Installed Apps configuration

INSTALLED_APPS = [
    "shared",
    # Must be before 'django.contrib.admin'.
    # https://django-autocomplete-light.readthedocs.io/en/master/install.html
    "dal",
    "dal_select2",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.sites",
    "django.contrib.messages",
    "django.contrib.admin",
    "django.contrib.admindocs",
    "gestioasso.apps.IgnoreSrcStaticFilesConfig",
    "django_cas_ng",
    "bootstrapform",
    "widget_tweaks",
    "bds",
    "events",
    "clubs",
    "authens",
]


##
# Middleware configuration

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


##
# URL configuration

ROOT_URLCONF = "gestioasso.urls"


##
# Templates configuration

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
                "django.template.context_processors.i18n",
                "django.template.context_processors.media",
                "django.template.context_processors.static",
            ]
        },
    }
]


##
# Database configuration

DATABASES = credentials.get_json(
    "DATABASES",
    default={
        "default": {
            "ENGINE": "django.db.backends.sqlite3",
            "NAME": (BASE_DIR / "db.sqlite3"),
        }
    },
)

CACHES = credentials.get_json(
    "CACHES",
    default={
        "default": {
            "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
        },
    },
)

CORS_ORIGIN_WHITELIST = credentials.get("CORS_ORIGIN_WHITELIST", [])


SITE_ID = 1


###
# Staticfiles configuration

STATIC_ROOT = credentials["STATIC_ROOT"]
STATIC_URL = "/static/"

MEDIA_ROOT = credentials.get("MEDIA_ROOT", (BASE_DIR / "media"))
MEDIA_URL = "/media/"


##
# Authens and Authentication configuration

AUTHENTICATION_BACKENDS = [
    "django.contrib.auth.backends.ModelBackend",
    "authens.backends.ENSCASBackend",
    "authens.backends.OldCASBackend",
]

AUTHENS_USE_OLDCAS = False

LOGIN_URL = "authens:login"
LOGIN_REDIRECT_URL = "bds:home"
LOGOUT_REDIRECT_URL = "bds:home"


# ---
# Internationalization
# https://docs.djangoproject.com/en/1.8/topics/i18n/
# ---

LANGUAGE_CODE = "fr-fr"
TIME_ZONE = "Europe/Paris"
USE_I18N = True
USE_L10N = True
USE_TZ = True
LANGUAGES = (("fr", "Français"), ("en", "English"))
FORMAT_MODULE_PATH = "gestioasso.locale"

##
# Development configuration

if DEBUG:
    EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"

    def show_toolbar(request):
        """
        On active la debug-toolbar en mode développement local sauf :
        - dans l'admin où ça ne sert pas à grand chose;
        - si la variable d'environnement DJANGO_NO_DDT est à 1 → ça permet de la désactiver
          sans modifier ce fichier en exécutant `export DJANGO_NO_DDT=1` dans le terminal
          qui lance `./manage.py runserver`.

        Autre side effect de cette fonction : on ne fait pas la vérification de INTERNAL_IPS
        que ferait la debug-toolbar par défaut, ce qui la fait fonctionner aussi à
        l'intérieur de Vagrant (comportement non testé depuis un moment…)
        """

        env_no_ddt = bool(os.environ.get("DJANGO_NO_DDT", None))
        return not (env_no_ddt or request.path.startswith("/admin/"))

    ##
    # Django Debug Toolbar configuration

    DEBUG_TOOLBAR_CONFIG = {"SHOW_TOOLBAR_CALLBACK": show_toolbar}
    INSTALLED_APPS += ["debug_toolbar"]
    MIDDLEWARE = ["debug_toolbar.middleware.DebugToolbarMiddleware"] + MIDDLEWARE