import logging

from flask import Flask
from flask_login import LoginManager
from flask_migrate import Migrate

from . import models
from .routes import bp
from .ldap import LDAPUser
from .oauth2 import config_oauth


def create_app():
    app = Flask("auth")
    app.config.from_object(__name__)
    app.config.from_pyfile("auth.cfg")

    setup_app(app)
    return app

def register_shellcontext(app):
    """Register shell context objects."""

    def shell_context():
        """Shell context objects."""
        return {"db": models.db, "models": models}

    app.shell_context_processor(shell_context)


def setup_app(app):
    logging.basicConfig(
        level=logging.DEBUG,
        format="[%(asctime)-15s] %(name)-10s %(levelname)7s: %(message)s",
    )
    models.db.init_app(app)
    migrate = Migrate(app, models.db)
    login_manager = LoginManager()
    login_manager.init_app(app)
    login_manager.login_view = "/login"
    login_manager.user_loader(LDAPUser.by_login)
    config_oauth(app)
    app.register_blueprint(bp, url_prefix='')
    register_shellcontext(app)