"""Global application-level constants for configuration"""
import multiprocessing
import os

APP_NAME = 'delphi-api'

ENVIRONMENT = os.getenv('ENVIRONMENT', 'dev')
PKG_PATH = os.path.dirname(os.path.abspath(__file__))
STATIC_PATH = os.path.join(PKG_PATH, 'static')

#: Port to expose for webserver
SERVICE_PORT = os.getenv('SERVICE_PORT', 8000)

#: AWS configuration
AWS_DEFAULT_REGION = os.getenv('AWS_DEFAULT_REGION', 'us-east-1')

#: Auth0 and OAuth2 config
AUTH0_DOMAIN = os.getenv('AUTH0_DOMAIN', 'dev-delphi.auth0.com')
AUTH0_API_AUDIENCE = os.getenv('AUTH0_API_AUDIENCE', 'dev-delphi-api')
AUTH0_ALGORITHMS = ['RS256']

#: This shouldn't be changed without updating the implementors. It's here to find usages in code
DEFAULT_OAUTH2_FLOW = 'client_credentials'
OAUTH2_CALLBACK_URL = '/oauth/callback'
OAUTH2_TOKEN_URL = '/oauth/token'

#: Used for the bucket name in the S3 URI for files – Not used
ARCHIVE_BUCKET = os.getenv('ARCHIVE_BUCKET', f'{ENVIRONMENT}-sme-data-archive')

#: Default size for API results pagination (-1 for unlimited)
DEFAULT_PAGE_SIZE = 5000

MINUTES = 60
HOURS = 60 * MINUTES

#: Default TTL for caches
DEFAULT_CACHE_TTL = 2 * HOURS
DEFAULT_CACHE_MAX_SIZE = 128  # max number of objects to hold

# Recommended 10 hours
# See: https://community.auth0.com/t/auth0-failures-getting-well-known-jwks-json/13863/2
#: Cache TTL for the Auth0 jwks.json
AUTH0_KEY_SIG_CACHE_TTL = 10 * HOURS
#: Cache for getting the RSA key from the key signatures
RSA_KEY_CACHE_TTL = 1 * HOURS

#: Cache for the secretsmanager request identifying our clients by the provided client_id
TRACING_CACHE_TTL = 24 * HOURS

#: AWS secret name for the secret containing the list of Auth0 clients by client ID
CLIENTS_LIST_SECRET_NAME = os.getenv('CLIENTS_LIST_SECRET_NAME',
                                     f'delphi/{ENVIRONMENT}/delphi-api/clients_list')
#: Cache duration to store the clients list from AWS secrets manager
CLIENTS_LIST_CACHE_TTL = int(os.getenv('CLIENTS_LIST_CACHE_TTL', DEFAULT_CACHE_TTL))

#: Profiling
ENABLE_PROFILING = os.getenv('PROFILE', 'false').lower() == 'true'

#: Log level config
DEBUG = os.getenv('DEBUG', 'false').lower() == 'true' or ENABLE_PROFILING
RELOAD_WORKERS = os.getenv('RELOAD_WORKERS', 'false').lower() == 'true'
LOG_LEVEL = os.getenv('LOG_LEVEL', ('DEBUG' if DEBUG else 'INFO'))

#: GCP Config
BIGTABLE_INSTANCE_ID = os.getenv('BIGTABLE_INSTANCE_ID',
                                 f'{ENVIRONMENT}-delphi-consumer-analytics-hdd')
BIGTABLE_APP_PROFILE_ID = os.getenv('BIGTABLE_APP_PROFILE_ID', None)
#: Upper limit of rows to read per query (0 for unlimited)
BIGTABLE_MAX_ROWS_READ = int(os.getenv('BIGTABLE_MAX_ROWS_READ', 0))

#: Sentry DSN key https://<key>@sentry.io/<project>
SENTRY_DSN = os.getenv('SENTRY_DSN')
SENTRY_ENABLE = os.getenv('SENTRY_ENABLE', 'true').lower() == 'true' and bool(SENTRY_DSN)
SENTRY_PROJECT = os.getenv('SENTRY_PROJECT', APP_NAME)

#: Postgres Config
POSTGRES_URL = 'postgres://{username}:{password}@{address}:{port}/{dbname}'.format(
    username=os.getenv('POSTGRES_USER', 'postgres'),
    password=os.getenv('POSTGRES_PASSWORD', 'postgres'),
    address=os.getenv('POSTGRES_ADDRESS', 'localhost'),
    port=os.getenv('POSTGRES_PORT', '5432'),
    dbname=os.getenv('POSTGRES_DB', 'test_db'),
)
POSTGRES_SCHEMA_NAME = os.getenv('POSTGRES_SCHEMA_NAME', 'public')

#: SQLAlchemy Config
SQLALCHEMY_DATABASE_URI = POSTGRES_URL
SQLALCHEMY_TRACK_MODIFICATIONS = True

#: Fake data enabled
ENABLE_FAKE_DATA = os.getenv('ENABLE_FAKE_DATA', 'true').lower() == 'true'

#: Atlas Image Service
ATLAS_HOST = os.getenv('ATLAS_HOST', 'https://qa-images-api.atlas.stream')

#: Threadpool config - enable/disable for aggregations
USE_THREAD_POOL_FOR_AGG = os.getenv('USE_THREAD_POOL_FOR_AGG', 'true').lower() == 'true'
MAX_THREADS = multiprocessing.cpu_count() * 2 + 1