# -*- coding: utf-8 -*-
import configparser
import os
from .utils import read_config_file, get_random_string

LIBRETIME_CONF_DIR = os.getenv('LIBRETIME_CONF_DIR', '/etc/airtime')
DEFAULT_CONFIG_PATH = os.getenv('LIBRETIME_CONF_FILE',
                                os.path.join(LIBRETIME_CONF_DIR, 'airtime.conf'))
API_VERSION = '2.0.0'

try:
    CONFIG = read_config_file(DEFAULT_CONFIG_PATH)
except IOError:
    CONFIG = configparser.ConfigParser()


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = get_random_string(CONFIG.get('general', 'api_key', fallback=''))

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.getenv('LIBRETIME_DEBUG', False)

ALLOWED_HOSTS = ['*']


# Application definition

INSTALLED_APPS = [
    'libretimeapi.apps.LibreTimeAPIConfig',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'url_filter',
]

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 = 'libretimeapi.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 = 'libretimeapi.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.0/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': CONFIG.get('database', 'dbname', fallback=''),
        'USER': CONFIG.get('database', 'dbuser', fallback=''),
        'PASSWORD': CONFIG.get('database', 'dbpass', fallback=''),
        'HOST': CONFIG.get('database', 'host', fallback=''),
        'PORT': '5432',
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.0/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.SessionAuthentication',
        'rest_framework.authentication.BasicAuthentication',
    ),
    'DEFAULT_PERMISSION_CLASSES': [
        'libretimeapi.permissions.IsSystemTokenOrUser',
    ],
    'DEFAULT_FILTER_BACKENDS': [
        'url_filter.integrations.drf.DjangoFilterBackend',
    ],
    'URL_FIELD_NAME': 'item_url',
}


# Internationalization
# https://docs.djangoproject.com/en/3.0/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/3.0/howto/static-files/

STATIC_URL = '/api/static/'
if not DEBUG:
    STATIC_ROOT = os.getenv('LIBRETIME_STATIC_ROOT', '/usr/share/airtime/api')

AUTH_USER_MODEL = 'libretimeapi.User'

TEST_RUNNER = 'libretimeapi.tests.runners.ManagedModelTestRunner'

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'simple': {
            'format': '{levelname} {message}',
            'style': '{',
        },
        'verbose': {
            'format': '{asctime} {module} {levelname} {message}',
            'style': '{',
        }
    },
    'handlers': {
        'file': {
            'level': 'DEBUG',
            'class': 'logging.FileHandler',
            'filename': os.path.join(CONFIG.get('pypo', 'log_base_dir', fallback='.').replace('\'',''), 'api.log'),
            'formatter': 'verbose',
        },
        'console': {
            'level': 'INFO',
            'class': 'logging.StreamHandler',
            'formatter': 'simple',
        },
    },
    'loggers': {
        'django': {
            'handlers': ['file', 'console'],
            'level': 'INFO',
            'propogate': True,
        },
        'libretimeapi': {
            'handlers': ['file', 'console'],
            'level': 'INFO',
            'propogate': True,
        },
    },
}