"""
Django settings for shimatta_kenkyusho project.

Generated by 'django-admin startproject' using Django 3.2.5.

For more information on this file, see
https://docs.djangoproject.com/en/3.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.2/ref/settings/

The following environment variables have to be set:
- DJANGO_SECRET_KEY
- DJANGO_ALLOWED_HOST
- DJANGO_STATIC_ROOT
- DJANGO_MEDIA_URL
- DJANGO_MEDIA_ROOT
- DJANGO_POSTGRESQL_SOCKET


"""

from pathlib import Path
import os

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

def get_env_value(env_variable):
	try:
	  	return os.environ[env_variable]
	except KeyError:
		error_msg = 'Set the {} environment variable'.format(env_variable)
		raise Exception(error_msg)


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = get_env_value('DJANGO_SECRET_KEY')

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

ALLOWED_HOSTS = ['localhost', get_env_value('DJANGO_ALLOWED_HOST')]


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'parts.apps.PartsConfig',
    'api.apps.ApiConfig',
    'rest_framework.authtoken',
    'django_filters',
    'qr_code',
    'rest_framework',
    'crispy_forms',
    'crispy_bootstrap5',
]

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 = 'shimatta_kenkyusho.urls'

CACHES = {
	'default': {
		'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
	},
	'qr-code': {
		'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
		'LOCATION': 'qr-code-cache',
		'TIMEOUT': 3600
	}
}

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 = 'shimatta_kenkyusho.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases

db_pw = ''
try:
	db_pw = get_env_value('DJANGO_POSTGRESQL_PW')
except:
	pass

db_user = ''
try:
	db_user = get_env_value('DJANGO_POSTGRESQL_USER')
except:
	pass


DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'shimatta_kenkyusho',
        'USER': db_user,
        'PASSWORD': db_pw,
        'HOST': get_env_value('DJANGO_POSTGRESQL_SOCKET'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.2/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',
    },
]

REST_FRAMEWORK = {
	'DEFAULT_AUTHENTICATION_CLASSES': [
		'rest_framework.authentication.BasicAuthentication',
		'rest_framework.authentication.SessionAuthentication',
		'api.ExpiringAuthToken.ExpiringTokenAuthentication',
	],
	'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
	'PAGE_SIZE': 10,
	'DEFAULT_THROTTLE_CLASSES': [
		'rest_framework.throttling.AnonRateThrottle',
		'rest_framework.throttling.UserRateThrottle'
	],
	'DEFAULT_THROTTLE_RATES': {
		'anon': '100/hour',
		'user': '2000/hour'
	}

}

REST_FRAMEWORK_TOKEN_EXPIRE_HOURS = 4


# Internationalization
# https://docs.djangoproject.com/en/3.2/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.2/howto/static-files/

STATIC_URL = '/static/'

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, "static"),
]

STATIC_ROOT = get_env_value('DJANGO_STATIC_ROOT')

# Default primary key field type
# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
MEDIA_URL = get_env_value('DJANGO_MEDIA_URL')
MEDIA_ROOT = get_env_value('DJANGO_MEDIA_ROOT')

LOGIN_URL = '/login'
LOGIN_REDIRECT_URL = '/'


SHIMATTA_KENKYUSHO_TITLE = 'しまった・研究所'

CRISPY_ALLOWED_TEMPLATE_PACKS = "bootstrap5"

CRISPY_TEMPLATE_PACK = "bootstrap5"