import os
import logging
from flask import Flask
from _init_config import CONF_DIR
from config_app.config_util.config import get_config_provider

app = Flask(__name__)

logger = logging.getLogger(__name__)

OVERRIDE_CONFIG_DIRECTORY = os.path.join(CONF_DIR, 'stack/')


is_testing = 'TEST' in os.environ
is_kubernetes = 'KUBERNETES_SERVICE_HOST' in os.environ

config_provider = get_config_provider(OVERRIDE_CONFIG_DIRECTORY, 'config.yaml', 'config_app_config.py',
                                      testing=is_testing, kubernetes=is_kubernetes)

if is_testing:
    from config_app.config_test.testconfig import TestConfig
    logger.debug('Loading test config.')
    app.config.from_object(TestConfig())
else:
    from config_app.config_app_config import DefaultConfig
    logger.debug('Loading default config.')
    app.config.from_object(DefaultConfig())
    # app.teardown_request(database.close_db_filter)

# Load the override config via the provider.
config_provider.update_app_config(app.config)