"""
Django settings for khaganat project.

Generated by 'django-admin startproject' using Django 2.0.1.

For more information on this file, see
https://docs.djangoproject.com/en/2.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.0/ref/settings/
"""

from django.utils.translation import gettext_lazy as _
from django.urls import reverse_lazy
import os


def get_config_bool(env_name, default=False):
    val = os.getenv(env_name, default='').lower()
    if val == '':
        return default
    return val in ('true', '1', 't', 'y', 'yes')


# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv('KHAGANAT_SECRET_KEY')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = get_config_bool('KHAGANAT_DEBUG', default=False)

ALLOWED_HOSTS = [
    _ for _ in os.getenv('KHAGANAT_HOSTNAMES', default='').split(',')
    if _ != ''
]


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'khaganat',
    'neluser.apps.NeluserConfig',
    'pages.apps.PagesConfig',
    'navbar.apps.NavbarConfig',
    'logs.apps.LogsConfig',
]

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.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'khaganat.urls'

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

WSGI_APPLICATION = 'khaganat.wsgi.application'


# Database
# https://docs.djangoproject.com/en/2.0/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}


# Emailing
# https://docs.djangoproject.com/fr/2.0/topics/email/

EMAIL_HOST = os.getenv('KHAGANAT_EMAIL_HOST', default='localhost')
EMAIL_PORT = int(os.getenv('KHAGANAT_EMAIL_PORT', default='25'))
EMAIL_HOST_USER = os.getenv('KHAGANAT_EMAIL_HOST_USER', default='')
EMAIL_HOST_PASSWORD = os.getenv('KHAGANAT_EMAIL_HOST_PASSWORD', default='')
EMAIL_USE_TLS = get_config_bool('KHAGANAT_EMAIL_USE_TLS', default=False)

EMAIL_SUBJECT_PREFIX = os.getenv('KHAGANAT_EMAIL_SUBJECT_PREFIX', default='')
DEFAULT_FROM_EMAIL = os.getenv(
    'KHAGANAT_DEFAULT_FROM_EMAIL',
    default='no-reply@localhost'
)


# User model
# https://docs.djangoproject.com/en/2.0/topics/auth/customizing/

AUTH_USER_MODEL = 'neluser.NelUser'
LOGIN_URL = os.getenv('KHAGANAT_LOGIN_URL', default='/account/login/')
LOGIN_REDIRECT_URL = reverse_lazy(
    os.getenv('KHAGANAT_LOGIN_REDIRECT_URL', default='index')
)
REGISTER_REQUIRE_VALIDATION = get_config_bool(
    'KHAGANAT_REGISTER_REQUIRE_VALIDATION',
    default=True
)


# Password validation
# https://docs.djangoproject.com/en/2.0/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/2.0/topics/i18n/

LANGUAGE_CODE = os.getenv('KHAGANAT_LANGUAGE_CODE', default='fr')

# https://github.com/django/django/blob/master/django/conf/global_settings.py

LANGUAGES = [
    ('en', _('English')),
    ('fr', _('French')),
]

TIME_ZONE = os.getenv('KHAGANAT_TIME_ZONE', default='Europe/Paris')

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.0/howto/static-files/

STATIC_URL = os.getenv('KHAGANAT_STATIC_URL', default='/static/')
STATIC_ROOT = os.getenv('KHAGANAT_STATIC_ROOT', default='') or None


# Logs configuration
KHAGANAT_LOGS_MIN_DAYS = int(os.getenv('KHAGANAT_LOGS_MIN_DAYS', default='0'))
KHAGANAT_LOGS_MAX_DAYS = int(os.getenv('KHAGANAT_LOGS_MAX_DAYS', default='7'))


# TLS
# https://docs.djangoproject.com/fr/2.0/ref/settings/#std:setting-SECURE_PROXY_SSL_HEADER

if get_config_bool('KHAGANAT_FORCE_HTTPS', default=False):
    SECURE_PROXY_SSL_HEADER = (
        os.getenv('KHAGANAT_HTTPS_HEADER_NAME', default='HTTP_X_FORWARDED_PROTO'),
        os.getenv('KHAGANAT_HTTPS_HEADER_VALUE', default='https')
    )