import datetime

import django.utils.timezone
from django.core.cache import cache
from django.http import HttpRequest
from django.shortcuts import render

from .models import Tobacco, ClubhausEvent


def index(request: HttpRequest) -> django.http.HttpResponse:
    return render(request, 'homepage/index.html', {})


def tobacco(request: HttpRequest) -> django.http.HttpResponse:
    context = {'tobaccos': Tobacco.objects.all().order_by('-in_stock')}
    return render(request, 'homepage/tobacco.html', context)


def events(request: HttpRequest) -> django.http.HttpResponse:
    yesterday = django.utils.timezone.now() - datetime.timedelta(days=1)
    next_events = ClubhausEvent.objects.filter(date__gte=yesterday).order_by('-date')
    next_event = next_events[0] if next_events else None
    return render(request, 'homepage/events.html', {'next_event': next_event})


def voting(request: HttpRequest) -> django.http.HttpResponse:
    request.session.clear_expired()

    ip = request.META.get("REMOTE_ADDR")
    rate_cache: django.core.cache.BaseCache = cache
    if ip not in rate_cache:
        rate_cache.add(f"voting_block_{ip}", 0, 15)
    rate_cache.incr(f"voting_block_{ip}")

    if request.method == "GET":
        return render(request, 'homepage/voting.html',
                      {"ip": ip, "request_count": rate_cache.get(f"voting_block_{ip}"), "session": request.session})

    elif request.method == "POST":
        key = request.POST["key"]
        value = request.POST["value"]
        request.session[key] = value
        return render(request, 'homepage/voting.html', {"ip": ip, "session": request.session})
        # return HttpResponseRedirect(reverse("index"))