from uuid import uuid4
from datetime import datetime
import logging

from logging.handlers import TimedRotatingFileHandler

FORMAT = "[%(asctime)s] %(levelname)s %(message)s"
formatter = logging.Formatter(FORMAT)

logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)

fh = TimedRotatingFileHandler('aplygo.log'.format(datetime.now()), 'D')
fh.setLevel(logging.INFO)
fh.setFormatter(formatter)

fe = TimedRotatingFileHandler('aplygo.err'.format(datetime.now()), 'D')
fe.setLevel(logging.WARNING)
fe.setFormatter(formatter)

logger.addHandler(fh)
logger.addHandler(fe)


class LoggingMiddleware(object):

    def __init__(self, get_response):
        self.get_response = get_response

    def __call__(self, request):
        request.internal_operation_code = uuid4()

        response = self.get_response(request)

        status_code = response.status_code
        if status_code >= 500:
            level = logger.error
        elif status_code >= 400:
            level = logger.warning
        else:
            level = logger.info
        level("[{}] {} {} {}".format(request.user, request.method, request.path, status_code))
        return response