# -*- coding: utf-8 -*-
"""The app module, containing the app factory function."""
from flask import Flask, render_template

from store import commands, public, user, book, orders, customer
from store.assets import assets
from store.extensions import bcrypt, cache, csrf_protect, db, debug_toolbar, login_manager, migrate
from store.settings import ProdConfig


def create_app(config_object=ProdConfig):
    """An application factory, as explained here: http://flask.pocoo.org/docs/patterns/appfactories/.

    :param config_object: The configuration object to use.
    """
    app = Flask(__name__.split('.')[0])
    app.config.from_object(config_object)
    register_extensions(app)
    register_blueprints(app)
    register_errorhandlers(app)
    register_shellcontext(app)
    register_commands(app)
    return app


def register_extensions(app):
    """Register Flask extensions."""
    # assets.init_app(app)
    bcrypt.init_app(app)
    cache.init_app(app)
    db.init_app(app)
    csrf_protect.init_app(app)
    login_manager.init_app(app)
    # debug_toolbar.init_app(app)
    migrate.init_app(app, db)
    return None


def register_blueprints(app):
    """Register Flask blueprints."""
    app.register_blueprint(user.views.blueprint)
    app.register_blueprint(public.views.blueprint)
    app.register_blueprint(book.views.book_blueprint)
    app.register_blueprint(orders.views.order_blueprint)
    app.register_blueprint(orders.views.consistsof_blueprint)
    app.register_blueprint(customer.views.customer_blueprint)
    return None


def register_errorhandlers(app):
    """Register error handlers."""
    def render_error(error):
        """Render error template."""
        # If a HTTPException, pull the `code` attribute; default to 500
        error_code = getattr(error, 'code', 500)
        return render_template('{0}.html'.format(error_code)), error_code
    for errcode in [401, 404, 500]:
        app.errorhandler(errcode)(render_error)
    return None


def register_shellcontext(app):
    """Register shell context objects."""
    def shell_context():
        """Shell context objects."""
        return {
            'db': db,
            'User': user.models.User,
            'Customer': customer.models.Customer,
            'book': book.models.Book,
            'Order': orders.models.Order,
            'Order_Consists_Of': orders.models.Order_Consists_Of
            }

    app.shell_context_processor(shell_context)


def register_commands(app):
    """Register Click commands."""
    app.cli.add_command(commands.test)
    app.cli.add_command(commands.lint)
    app.cli.add_command(commands.clean)
    app.cli.add_command(commands.urls)
    app.cli.add_command(commands.seed)

@@ -183,16 +183,18 @@
 ustomer%0A
+# 
 from sto
@@ -2252,17 +2252,17 @@
        '
-b
+B
 ook': bo
@@ -2384,20 +2384,16 @@
 ists_Of%0A
-    
         

Tidy up.