"""
Django settings for BookingService project.

Generated by 'django-admin startproject' using Django 2.1.7.

For more information on this file, see
https://docs.djangoproject.com/en/2.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.1/ref/settings/
"""

import os

# Tell which environment
ENV = os.environ.get('ENV')

# 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/2.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'l%o*o21h_a5^f+3xblzzfch*&2k_4pcak(o#t2@vymeb_mcy3$'

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

ALLOWED_HOSTS = [] if DEBUG else ['127.0.0.1', 'localhost', 'code.wh.sdu.edu.cn']

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'django_filters',
    'corsheaders',
    'user',
    'booking',
    'utils',
]

if DEBUG:
    INSTALLED_APPS += [
        'debug_toolbar'
    ]

MIDDLEWARE = [
    # 'django.middleware.cache.UpdateCacheMiddleware',
    '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',
]

if DEBUG:
    MIDDLEWARE += [
        'debug_toolbar.middleware.DebugToolbarMiddleware'
    ]

# MIDDLEWARE += ['django.middleware.cache.FetchFromCacheMiddleware']

ROOT_URLCONF = 'BookingService.urls'

AUTH_USER_MODEL = 'user.User'

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

# Database
# https://docs.djangoproject.com/en/2.1/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
} if DEBUG else {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'bookingservice',
        'USER': 'postgres',
        'PASSWORD': 'sduwhsduwh',
        'HOST': 'bookingservice_postgresql',
        'PORT': '5432',
    }
}

# CACHE

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.dummy.DummyCache'
    }
} if DEBUG else {
    'default': {
        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
        'LOCATION': 'bookingservice_memcached:11211',
        'TIMEOUT': 60,
    }
}

CACHE_MIDDLEWARE_SECONDS = 60

# Password validation
# https://docs.djangoproject.com/en/2.1/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/2.1/topics/i18n/

LANGUAGE_CODE = 'zh-hans'

TIME_ZONE = 'Asia/Shanghai'

USE_I18N = True

USE_L10N = True

USE_TZ = False

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.1/howto/static-files/

STATIC_URL = '/static/'

STATIC_ROOT = os.path.join(BASE_DIR, "static")

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, 'frontend', 'dist', 'static'),
]

MEDIA_URL = '/media/'

MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

# Django Restfull Framework
REST_FRAMEWORK = {
    'EXCEPTION_HANDLER': 'utils.handler.custom_exception_handler',
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework.authentication.SessionAuthentication',
    ),
    'PAGE_SIZE': 10,
    'DATETIME_FORMAT': '%Y-%m-%d %H:%M:%S',
    'DATETIME_INPUT_FORMATS': ['%Y-%m-%d %H:%M:%S'],
    'DATE_FORMAT': '%Y-%m-%d',
    'DATE_INPUT_FORMATS': ['%Y-%m-%d'],
    'TIME_FORMAT': '%H:%M:%S',
    'TIME_INPUT_FORMATS': ['%H:%M:%S']
}

# ERROR
SILENCED_SYSTEM_CHECKS = [
    'rest_framework.W001'
]

# COOKIE
SESSION_COOKIE_HTTPONLY = False

# SLASH
APPEND_SLASH = True

# CELERY
CELERY_BROKER_URL = 'amqp://guest:guest@davidz.cn' if DEBUG else 'amqp://admin:sduwhsduwh@bookingservice_rabbitmq'

CELERY_TIMEZONE = 'Asia/Shanghai'

if not DEBUG:
    SECURE_SSL_REDIRECT = True

    # lower version of chrome and edge do not support same-site flag
    SESSION_COOKIE_SAMESITE = None

    CSRF_COOKIE_SAMESITE = None

# Django Debug Toolbar
if DEBUG:
    # DEBUG_TOOLBAR_PATCH_SETTINGS = False
    INTERNAL_IPS = ('127.0.0.1', 'localhost')

# CORS
CORS_ORIGIN_ALLOW_ALL = True