import celery

from django.shortcuts import render_to_response, get_object_or_404, redirect
from django.core.urlresolvers import reverse
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.template import RequestContext
from django.http import Http404

from eve_api.forms import EveAPIForm
from eve_api.models import EVEAccount, EVEPlayerCharacter
from eve_api.tasks import import_apikey_result


@login_required
def eveapi_add(request, post_save_redirect='/'):
    """ Add a EVE API key to a user's account """

    if request.method == 'POST':
        form = EveAPIForm(request.POST)
        if form.is_valid():

            task = import_apikey_result.delay(api_key=form.cleaned_data['api_key'], api_userid=form.cleaned_data['user_id'], user=request.user.id)
            try:
                task.wait(10)
            except celery.exceptions.TimeoutError:
                msg = "The addition of your API key is still processing, please check back in a minute or so."
                pass
            else:
                msg = "EVE API key %d successfully added." % form.cleaned_data['user_id']
            messages.success(request, msg, fail_silently=True)
            return redirect(post_save_redirect)
    else:
        form = EveAPIForm() # An unbound form

    return render_to_response('eve_api/add.html', locals(), context_instance=RequestContext(request))


@login_required
def eveapi_del(request, userid, post_save_redirect='/'):
    """ Delete a EVE API key from a account """

    try:
        acc = EVEAccount.objects.get(id=userid)
    except EVEAccount.DoesNotExist:
        return redirect(post_save_redirect)
    if acc.user == request.user:
        acc.delete()
        messages.success(request, "EVE API key successfully deleted.", fail_silently=True)

    return redirect(post_save_redirect)


@login_required
def eveapi_refresh(request, userid, post_save_redirect='/'):
    """ Force refresh a EVE API key """

    if userid > 0:
        try:
            acc = EVEAccount.objects.get(id=userid)
        except EVEAccount.DoesNotExist:
            pass
        else:
            if acc.user == request.user or request.user.is_superuser:
                task = import_apikey_result.delay(api_key=acc.api_key, api_userid=acc.api_user_id, force_cache=True, user=request.user.id)

                if request.is_ajax():
                    try:
                        acc = task.wait(30)
                    except celery.exceptions.TimeoutError:
                        acc = EVEAccount.objects.get(id=userid)
                    return HttpResponse(serializers.serialize('json', [acc]), mimetype='application/javascript')
                else:
                    messages.add_message(request, messages.INFO, "Key %s has been queued to be refreshed from the API" % acc.api_user_id)

    return redirect(post_save_redirect)


@login_required
def eveproxy_log(request, userid):
    """ Provides a list of access logs for a specific EVE API key """
    try:
        acc = EVEAccount.objects.get(id=userid)
    except EVEAccount.DoesNotExist:
        pass
    else:
        if acc and (acc.user == request.user or request.user.is_staff):
            logs = ApiAccessLog.objects.filter(userid=userid).order_by('-time_access')[:50]
            return render_to_response('eve_api/log.html', locals(), context_instance=RequestContext(request))

    raise Http404