import logging
import logging.config

logging.basicConfig(level=logging.INFO)

from flask import url_for, render_template
from flask_sqlalchemy import SQLAlchemy
from flask_security import Security, SQLAlchemyUserDatastore
from flask_social import Social
from flask_social.datastore import SQLAlchemyConnectionDatastore
from flask_mail import Mail
from flask_migrate import Migrate
from flask_admin import Admin
from flask_wtf.csrf import CsrfProtect
from flask.ext.markdown import Markdown
from flask_pagedown import PageDown

db = SQLAlchemy()
security = Security()
social = Social()
mail = Mail()
migrate = Migrate()
admin = Admin(template_mode='bootstrap3')


def init_app(app):
    db.init_app(app)
    mail.init_app(app)
    admin.init_app(app)
    migrate.init_app(app, db)

    @app.context_processor
    def utility_processor():
        return {
            'static': lambda fn: url_for('static', filename=fn)
            }

    @app.errorhandler(404)
    def page_not_found(e):
            return render_template('404.html'), 404

    if app.config.get('LOGGING'):
        logging.config.dictConfig(app.config['LOGGING'])

    from auth.models import User, Role, Connection
    security.init_app(app, SQLAlchemyUserDatastore(db, User, Role))
    social._state = social.init_app(
        app, SQLAlchemyConnectionDatastore(db, Connection))

    CsrfProtect(app)
    Markdown(app)
    PageDown(app)