"""
Django settings for core project.
"""

import os
import sys
import datetime

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

sys.path.insert(0, os.path.join(BASE_DIR, 'api'))


# Quick-start development settings - unsuitable for production
SECRET_KEY = 't5!*pr($f^2^so(6#46gwud4l(=w@=evvw0b$0lf2i7x3akano'
DEBUG = True
ALLOWED_HOSTS = []
WSGI_APPLICATION = 'core.wsgi.application'
ROOT_URLCONF = 'core.urls'
AUTH_USER_MODEL = 'accounts.User'


# Application definition
DJANGO_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
]

THIRD_PARTY_APPS = [
    'rest_framework',
    'rest_framework.authtoken',
    'rest_framework_jwt',
]

LOCAL_APPS = [
    'api.accounts',
]

INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS

# Middleware
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',
]


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


# Internationalization
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True

# Rest Framework
REST_FRAMEWORK = {
    'DEFAULT_PERMISSION_CLASSES': (),
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authentication.BasicAuthentication',
        'rest_framework_jwt.authentication.JSONWebTokenAuthentication',
    ),
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 20,
    'DEFAULT_PARSER_CLASSES': (
        'rest_framework.parsers.JSONParser',
        'rest_framework.parsers.FormParser',
        'rest_framework.parsers.MultiPartParser',
    ),
}

# JWT Authentication
JWT_AUTH = {
    'JWT_ENCODE_HANDLER':
        'rest_framework_jwt.utils.jwt_encode_handler',

    'JWT_DECODE_HANDLER':
        'rest_framework_jwt.utils.jwt_decode_handler',

    'JWT_PAYLOAD_HANDLER':
        'rest_framework_jwt.utils.jwt_payload_handler',

    'JWT_PAYLOAD_GET_USER_ID_HANDLER':
        'rest_framework_jwt.utils.jwt_get_user_id_from_payload_handler',

    'JWT_RESPONSE_PAYLOAD_HANDLER':
        'rest_framework_jwt.utils.jwt_response_payload_handler',

    'JWT_SECRET_KEY': SECRET_KEY,
    'JWT_ALGORITHM': 'HS512',
    'JWT_VERIFY': True,
    'JWT_VERIFY_EXPIRATION': True,
    'JWT_LEEWAY': 0,
    'JWT_EXPIRATION_DELTA': datetime.timedelta(seconds=60 * 60 * 24),

    'JWT_ALLOW_REFRESH': False,
    'JWT_REFRESH_EXPIRATION_DELTA': datetime.timedelta(days=7),

    'JWT_AUTH_HEADER_PREFIX': 'JWT',
}
