import os
import logging
import logging.handlers

logger = logging.getLogger("")
logger.setLevel(logging.DEBUG)
handler = logging.handlers.RotatingFileHandler("flask.log",
    maxBytes=3000000, backupCount=2)
formatter = logging.Formatter(
    '[%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
logging.getLogger().addHandler(logging.StreamHandler())

from flask import Flask, Blueprint, send_from_directory, request

from app.settings import app_cfg

def create_app(script_info=None):
  """
  Instantiate a standalone viewer of an exported build.
  Used because Flask is better than SimpleHTTPServer at serving media.
  """
  logging.debug("Starting site viewer...")
  # print(app_cfg.SERVER_NAME)
  app = Flask(__name__, static_folder=app_cfg.DIR_STATIC_SITE_VIEWER, static_url_path='/')
  app.config['SERVER_NAME'] = app_cfg.SERVER_NAME
  app.url_map.strict_slashes = False

  @app.route('/favicon.ico')
  def favicon():
    return send_from_directory(os.path.join(app.root_path, 'static/img/'),
      'favicon.ico', mimetype='image/vnd.microsoft.icon')

  @app.shell_context_processor
  def shell_context():
    return { 'app': app, 'db': db }

  return app