"""Anime Easy Sync Flask server"""
import os

from flask import Flask


def create_app(test_config=None):
    """Creates and configures the app"""
    # create and configure the app
    app = Flask(__name__, instance_relative_config=True)
    app.config.from_mapping(
        SECRET_KEY=b'\x10\xc3\xf11\x9e\x17\x1f\xf0l\x84~A\x82{TP5Z\xe3\x8b\xbaa\x14\x03'
    )

    if test_config is None:
        # load the instance config, if it exists, when not testing
        app.config.from_pyfile('config.py', silent=True)
    else:
        # load the test config if passed in
        app.config.from_mapping(test_config)

    # ensure the instance folder exists
    try:
        os.makedirs(app.instance_path)
    except OSError:
        pass

    from . import aes # pylint: disable=import-outside-toplevel
    app.register_blueprint(aes.bp)
    app.add_url_rule('/aes', endpoint='index')

    return app