import logging

from django.utils import timezone
from datetime import timedelta

from fellchensammlung.models import AdoptionNotice, Location, RescueOrganization, AdoptionNoticeStatus, Log, \
    AndoptionNoticeNotification
from fellchensammlung.tools.misc import is_404


def clean_locations(quiet=True):
    # ADOPTION NOTICES
    adoption_notices_without_location = AdoptionNotice.objects.filter(location__isnull=True)
    num_of_all = AdoptionNotice.objects.count()
    num_without_location = adoption_notices_without_location.count()
    if not quiet:
        print(f"From {num_of_all} there are {num_without_location} adoption notices without location "
              f"({num_without_location / num_of_all * 100:.2f}%)")
    for adoption_notice in adoption_notices_without_location:
        if not quiet:
            print(f"Searching {adoption_notice.location_string} in Nominatim")
        location = Location.get_location_from_string(adoption_notice.location_string)
        if location:
            adoption_notice.location = location
            adoption_notice.save()

    adoption_notices_without_location_new = AdoptionNotice.objects.filter(location__isnull=True)
    num_without_location_new = adoption_notices_without_location_new.count()
    num_new = num_without_location - num_without_location_new
    if not quiet:
        print(f"Added {num_new} new locations")

    # RESCUE ORGANIZATIONS
    rescue_orgs_without_location = RescueOrganization.objects.filter(location__isnull=True)
    num_of_all = RescueOrganization.objects.count()
    num_without_location = rescue_orgs_without_location.count()
    if not quiet:
        print(f"From {num_of_all} there are {num_without_location} adoption notices without location "
              f"({num_without_location / num_of_all * 100:.2f}%)")
    for rescue_org in rescue_orgs_without_location:
        if not quiet:
            print(f"Searching {rescue_org.location_string} in Nominatim")
        location = Location.get_location_from_string(rescue_org.location_string)
        if location:
            rescue_org.location = location
            rescue_org.save()

    rescue_orgs_without_location_new = RescueOrganization.objects.filter(location__isnull=True)
    num_without_location_new = rescue_orgs_without_location_new.count()
    num_new = num_without_location - num_without_location_new
    if not quiet:
        print(f"Added {num_new} new locations")


def get_unchecked_adoption_notices(weeks=3):
    now = timezone.now()
    n_weeks_ago = now - timedelta(weeks=weeks)

    # Query for active adoption notices that were not checked in the last n weeks
    unchecked_adoptions = AdoptionNotice.objects.filter(
        last_checked__lte=n_weeks_ago
    )
    active_unchecked_adoptions = [adoption for adoption in unchecked_adoptions if adoption.is_active]
    return active_unchecked_adoptions


def get_active_adoption_notices():
    ans = AdoptionNotice.objects.all()
    active_adoptions = [adoption for adoption in ans if adoption.is_active]
    return active_adoptions


def deactivate_unchecked_adoption_notices():
    for adoption_notice in get_unchecked_adoption_notices(weeks=3):
        adoption_notice.set_unchecked()


def deactivate_404_adoption_notices():
    for adoption_notice in get_active_adoption_notices():
        if adoption_notice.further_information and adoption_notice.further_information != "":
            if is_404(adoption_notice.further_information):
                adoption_notice.set_closed()
                logging_msg = f"Automatically set Adoption Notice {adoption_notice.id} closed as link to more information returened 404"
                logging.info(logging_msg)
                Log.objects.create(action="automated", text=logging_msg)

                deactivation_message = f'Die Vermittlung  [{adoption_notice.name}]({adoption_notice.get_absolute_url()}) wurde automatisch deaktiviert, da die Website unter "Mehr Informationen" nicht mehr online ist.'
                for subscription in adoption_notice.get_subscriptions():
                    AndoptionNoticeNotification.objects.create(user=subscription.owner,
                                                               title="Vermittlung deaktiviert",
                                                               adoption_notice=adoption_notice,
                                                               text=deactivation_message)