"""PyPIStats application."""
from flask import Flask

from pypistats import views
from pypistats.extensions import db
from pypistats.extensions import github
from pypistats.extensions import migrate
from pypistats.settings import DevConfig


def create_app(config_object=DevConfig):
    """Create the application.

    :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)
    return app


def register_extensions(app):
    """Register Flask extensions."""
    db.init_app(app)
    github.init_app(app)
    migrate.init_app(app, db)


def register_blueprints(app):
    """Register Flask blueprints."""
    app.register_blueprint(views.api.blueprint)
    app.register_blueprint(views.error.blueprint)
    app.register_blueprint(views.general.blueprint)
    app.register_blueprint(views.user.blueprint)