from django.utils.translation import ugettext_lazy as _

from django.contrib import messages
from django.contrib.auth import logout as logout_user
from django.shortcuts import render, redirect
from django.http import HttpResponse, JsonResponse

from events.models.locale import City
from events.models.events import Event, Place, Attendee
from events.models.profiles import Team, UserProfile, Member
from events.models.search import Searchable
from events.forms import SearchForm

from accounts.decorators import setup_wanted
from django.conf import settings

import datetime
import simplejson
import geocoder
import math
import traceback

from .teams import *
from .events import *
from .places import *
from .user import *
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_geoip(request):
    client_ip = get_client_ip(request)
    if client_ip == '127.0.0.1' or client_ip == 'localhost':
        if settings.DEBUG:
            client_ip = '8.8.8.8' # Try Google's server
            print("Client is localhost, using 8.8.8.8 for geoip instead")
        else:
            raise Exception("Client is localhost")

    g = geocoder.ip(client_ip)
    return g

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.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()

def get_client_ip(request):
    x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
    if x_forwarded_for:
        ip = x_forwarded_for.split(',')[0]
    else:
        ip = request.META.get('REMOTE_ADDR')
    return ip