"""Application.

The API application is a `flask` application. It provides simple features such
as registering a url for a specific handlers.
"""
import boto3
from flask import Flask
from opensearchpy import connections as connectionsOpen
from owslogger import flask_logger
from owsrequest import flask_request
from requests_aws4auth import AWS4Auth

from conflict_manager import config
from conflict_manager.models.aws_http_connection_open\
    import AWSHttpConnection as RequestsHttpConnectionOpen

app = Flask(config.SERVICE_NAME)
flask_logger.setup(
    app, config.ENVIRONMENT, config.LOGGER_NAME,
    config.LOGGER_LEVEL, config.SERVICE_NAME, config.SERVICE_VERSION,
    exclude_paths=[config.HEALTH_CHECK])
try:
    import uwsgi  # noqa
    uwsgiRunning = True
except ImportError:
    uwsgiRunning = False

flask_request.setup(
    app, config.ENVIRONMENT,
    uwsgi_cache_enabled=uwsgiRunning, add_request_context=True)

if config.OPENSEARCH_HOST:
    region = 'us-east-1'
    service = 'es'
    credentials = boto3.Session().get_credentials()
    awsauth = AWS4Auth(
        credentials.access_key, credentials.secret_key, region, service,
        session_token=credentials.token
    )
    connectionsOpen.create_connection(
        hosts=[{
            'host': config.OPENSEARCH_HOST,
            'port': config.OPENSEARCH_PORT,
            'use_ssl': config.OPENSEARCH_USE_SSL
        }],
        http_auth=awsauth,
        connection_class=RequestsHttpConnectionOpen
    )