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):
  """
  functional pattern for creating the flask app
  """
  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

  # index_html = 'site.html'

  # @app.route('/episode1', methods=['GET'])
  # def serve_dir_directory_index():
  #   return send_from_directory(app_cfg.DIR_STATIC_SITE_VIEWER, 'episode1/index.html')

  # @app.errorhandler(404)
  # def page_not_found(e):
  #   filename = request.url.replace(app_cfg.SERVER_NAME, '')
  #   print(filename)
  #   # return app.send_static_file(index_html), 200

  # @app.route('/<path:filename>', methods=['GET'])
  # def serve_file_in_dir(filename):
  #   print(filename)
  #   if os.path.isfile(os.path.join(app_cfg.DIR_STATIC_SITE_VIEWER, filename)):
  #     return send_from_directory(app_cfg.DIR_STATIC_SITE_VIEWER, filename)
  #   if os.path.isfile(os.path.join(app_cfg.DIR_STATIC_SITE_VIEWER, filename, 'index.html')):
  #     filename = os.path.join(filename, 'index.html')
  #     return send_from_directory(app_cfg.DIR_STATIC_SITE_VIEWER, filename)
  #   return 404
   
  #   return app.send_static_file(index_html), 200
    # path = os.path.join(os.path.dirname(__file__), 'site.html')
    # with open(path, "r") as f:
    #   return f.read(), 200

  # @app.route('/', methods=['GET'])
  # def index():
  #   return app.send_static_file('site.html')

  @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