import json
import datetime
from django.http import HttpResponse
from django.conf import settings


def set_cookie(response, key, value, days_expire=7):
    if days_expire is None:
        max_age = 365 * 24 * 60 * 60  # one year
    else:
        max_age = days_expire * 24 * 60 * 60
    expires = datetime.datetime.strftime(
        datetime.datetime.utcnow() + datetime.timedelta(seconds=max_age),
        "%a, %d-%b-%Y %H:%M:%S GMT",
    )
    response.set_cookie(
        key,
        value,
        max_age=max_age,
        expires=expires,
        domain=settings.SESSION_COOKIE_DOMAIN,
        secure=settings.SESSION_COOKIE_SECURE or None,
    )

    return response

class ResponseInterceptionMiddleware:
    # def __init__(self, get_response):
    #     self.get_response = get_response
    #
    # def __call__(self, request):
    #     return self.get_response(request)
    # def process_request(self, request):
    def __init__(self, get_response):
        self.get_response = get_response
        # One-time configuration and initialization.

    def __call__(self, request):
        # Code to be executed for each request before
        # the view (and later middleware) are called.

        if request.user.is_authenticated:
            request = request.user.user_profile.save_user_alerts_to_session(request)

        response = self.get_response(request)
        if request.user.is_authenticated:
            for_save_to_session = request.user.user_profile.pop_node_by_name('for_save_to_session')
            if for_save_to_session:
                for key, val in for_save_to_session.items():
                    set_cookie(response, key, json.dumps(val), 30)

        # Code to be executed for each request/response after
        # the view is called.

        return response