"""
Django settings for etebase_server project.

Generated by 'django-admin startproject' using Django 3.0.3.

For more information on this file, see
https://docs.djangoproject.com/en/3.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.0/ref/settings/
"""

import os
import configparser
from .utils import get_secret_from_file

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

AUTH_USER_MODEL = 'myauth.User'


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
# See secret.py for how this is generated; uses a file 'secret.txt' in the root
# directory
SECRET_FILE = os.path.join(BASE_DIR, "secret.txt")

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = False

ALLOWED_HOSTS = []

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

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


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'corsheaders',
    'rest_framework',
    'fullurl',
    'myauth.apps.MyauthConfig',
    'django_etebase.apps.DjangoEtebaseConfig',
    'django_etebase.token_auth.apps.TokenAuthConfig',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'etebase_server.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [
            os.path.join(BASE_DIR, 'templates')
        ],
        '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 = 'etebase_server.wsgi.application'


# Password validation
# https://docs.djangoproject.com/en/3.0/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/3.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

# Cors
CORS_ORIGIN_ALLOW_ALL = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.0/howto/static-files/

STATIC_URL = '/static/'
STATIC_ROOT = os.environ.get('DJANGO_STATIC_ROOT', os.path.join(BASE_DIR, 'static'))

MEDIA_ROOT = os.environ.get('DJANGO_MEDIA_ROOT', os.path.join(BASE_DIR, 'media'))
MEDIA_URL = '/user-media/'


# Define where to find configuration files
config_locations = ['etebase-server.ini', '/etc/etebase-server/etebase-server.ini']
# Use config file if present
if any(os.path.isfile(x) for x in config_locations):
    config = configparser.ConfigParser()
    config.read(config_locations)

    section = config['global']

    SECRET_FILE   = section.get('secret_file', SECRET_FILE)
    STATIC_ROOT   = section.get('static_root', STATIC_ROOT)
    STATIC_URL    = section.get('static_url', STATIC_URL)
    MEDIA_ROOT    = section.get('media_root', MEDIA_ROOT)
    MEDIA_URL     = section.get('media_url', MEDIA_URL)
    LANGUAGE_CODE = section.get('language_code', LANGUAGE_CODE)
    TIME_ZONE     = section.get('time_zone', TIME_ZONE)
    DEBUG         = section.getboolean('debug', DEBUG)

    if 'allowed_hosts' in config:
        ALLOWED_HOSTS = [y for x, y in config.items('allowed_hosts')]

    if 'database' in config:
        DATABASES = { 'default': { x.upper(): y for x, y in config.items('database') } }

ETEBASE_API_PERMISSIONS = ('rest_framework.permissions.IsAuthenticated', )
ETEBASE_API_AUTHENTICATORS = ('django_etebase.token_auth.authentication.TokenAuthentication',
                              'rest_framework.authentication.SessionAuthentication')

# Make an `etebase_server_settings` module available to override settings.
try:
    from etebase_server_settings import *
except ImportError:
    pass

if 'SECRET_KEY' not in locals():
    SECRET_KEY = get_secret_from_file(SECRET_FILE)