"""
Django settings for refunds project.

Generated by 'django-admin startproject' using Django 1.9.4.

For more information on this file, see
https://docs.djangoproject.com/en/1.9/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.9/ref/settings/
"""

import ast

import dj_database_url
import os
from django.contrib import messages

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

# Retrieve environment
ENV = os.getenv('DJANGO_ENV', 'prod')
debug_env = os.getenv('DEBUG', None)

# Define production
PROD = ENV in ['prod', 'production']

# By default, if we're in prod, we don't want debug
DEBUG = not PROD

# But we can override this.
if debug_env is not None:
    DEBUG = ast.literal_eval(debug_env)

# SSL will be required if in prod, unless the SSL is set to False.
ssl_required = PROD and ast.literal_eval(os.getenv('SSL', 'True'))

SECURE_BROWSER_XSS_FILTER = ssl_required
SECURE_CONTENT_TYPE_NOSNIFF = ssl_required
SESSION_COOKIE_SECURE = ssl_required
CSRF_COOKIE_SECURE = ssl_required
CSRF_COOKIE_HTTPONLY = PROD
USE_X_FORWARDED_HOST = PROD

# We don't want to redirect but throw an error if no SSL in prod.
# See api.middleware.RejectHTTPMiddleware
# SECURE_SSL_REDIRECT = ssl_required

SECRET_KEY = os.getenv('SECRET_KEY', '+)2m1(7!+5-p-iazefib&8i7+a4^pod(èer!éç"fn,uo5)jhem(1-bo#p')

ALLOWED_HOSTS = ['localhost', '.herokuapp.com', '.augendre.info', 'refunds-web']

X_FRAME_OPTIONS = 'DENY'

# Application definition

INSTALLED_APPS = [
    'refunding',
    'authentication',
    'bootstrap3_datetime',
    'crispy_forms',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

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

ROOT_URLCONF = 'refunds.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': ['templates', 'refunds/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 = 'refunds.wsgi.application'

# Database
# https://docs.djangoproject.com/en/1.9/ref/settings/#databases

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

db_from_env = dj_database_url.config(conn_max_age=500)
DATABASES['default'].update(db_from_env)

# Password validation
# https://docs.djangoproject.com/en/1.9/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/1.9/topics/i18n/

LANGUAGE_CODE = os.getenv('DJANGO_LOCALE', 'en-us')

TIME_ZONE = os.getenv('DJANGO_TIMEZONE', 'UTC')

USE_I18N = True

USE_L10N = True

USE_TZ = True

SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.9/howto/static-files/

PROJECT_ROOT = os.path.dirname(os.path.abspath(__file__))

STATIC_ROOT = os.path.join(PROJECT_ROOT, 'staticfiles')
STATIC_URL = '/static/'

# Extra places for collectstatic to find static files.
STATICFILES_DIRS = (
    os.path.join(PROJECT_ROOT, 'static'),
    'static'
)

# Simplified static file serving.
# https://warehouse.python.org/project/whitenoise/

STATICFILES_STORAGE = 'whitenoise.django.GzipManifestStaticFilesStorage'

LOGIN_URL = 'auth_login'
LOGOUT_URL = 'auth_logout'
LOGIN_REDIRECT_URL = 'home'

CRISPY_TEMPLATE_PACK = 'bootstrap3'

MESSAGE_TAGS = {
    messages.ERROR: 'danger'
}