from django.utils.translation import ugettext_lazy as _

from django.conf import settings

import math

from events.location import get_geoip, get_client_ip
from .new_user import *

KM_PER_DEGREE_LAT = 110.574
KM_PER_DEGREE_LNG = 111.320 # At the equator
DEFAULT_NEAR_DISTANCE = 100 # kilometeres


def get_nearby_teams(request, near_distance=DEFAULT_NEAR_DISTANCE):
    g = get_geoip(request)
    if g.latlng is None or g.latlng[0] is None or g.latlng[1] is None:
        print("Could not identify latlng from geoip")
        return Team.objects.none()
    try:
        minlat = g.latlng[0]-(near_distance/KM_PER_DEGREE_LAT)
        maxlat = g.latlng[0]+(near_distance/KM_PER_DEGREE_LAT)
        minlng = g.latlng[1]-(near_distance/(KM_PER_DEGREE_LNG*math.cos(math.radians(g.latlng[0]))))
        maxlng = g.latlng[1]+(near_distance/(KM_PER_DEGREE_LNG*math.cos(math.radians(g.latlng[0]))))

        near_teams = Team.public_objects.filter(city__latitude__gte=minlat, city__latitude__lte=maxlat, city__longitude__gte=minlng, city__longitude__lte=maxlng)
        return near_teams
    except Exception as e:
        print("Error looking for local teams: ", e)
        return Team.objects.none()