"""
Django settings for kedja_server project.

Generated by 'django-admin startproject' using Django 2.2.6.

For more information on this file, see
https://docs.djangoproject.com/en/2.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.2/ref/settings/
"""
import json
import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
import sys

import yaml

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/2.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'not-in-repo'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = bool(os.environ.get('DEBUG'))

ALLOWED_HOSTS = ['localhost', '127.0.0.1']


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'core',
    'walls',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    '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',
]

ROOT_URLCONF = 'kedja_server.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 = 'kedja_server.wsgi.application'


REST_FRAMEWORK = {
    # Use Django's standard `django.contrib.auth` permissions,
    # or allow read-only access for unauthenticated users.
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'
    ]
}


# Password validation
# https://docs.djangoproject.com/en/2.2/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/2.2/topics/i18n/

LANGUAGE_CODE = 'sv-se'

TIME_ZONE = 'Europe/Stockholm'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.2/howto/static-files/

STATIC_URL = '/static/'


class ConfigLoader:
    loaders = {
        '.yaml': yaml.safe_load,
        '.yml': yaml.safe_load,
        '.json': json.load
    }

    def __init__(self, module) -> None:
        self.module = module

    def load_file(self, filename):
        extension = os.path.splitext(filename)[1]
        if extension in self.loaders:
            with open(filename) as file:
                for (key, value) in self.loaders[extension](file).items():
                    setattr(self.module, key, value)

    def load_dir(self, dir_name):
        # What happens with walk when the directory doesn't exist.
        for (dir_path, dirs, files) in os.walk(dir_name):
            for filename in files:
                self.load_file(os.path.join(dir_path, filename))


loader = ConfigLoader(sys.modules[__name__])
loader.load_dir('../etc/settings')
loader.load_dir('../etc/settings.local')
#loader.load_dir('/app/etc/settings')
#loader.load_dir('/app/etc/settings.local')
