from django.http import HttpResponseBadRequest
from django.shortcuts import get_object_or_404, redirect
from coip.apps.consumer import consumer_providers
from coip.apps.consumer.forms import ConsumerForm
from coip.apps.consumer.models import Consumer
from coip.apps.name.models import Name
from coip.multiresponse import render403, respond_to, json_response

__author__ = 'leifj'


def _consumer2json(c,e):
    return {
        'name': c.name,
        'description': c.description,
        'authorization_uri': c.authorization_uri,
        'service_uri': c.service_uri,
        'logo': c.logo,
        'enabled': c in e,
    }

def _consumers(name):
    enabled_consumers = Consumer.objects.filter(name=name)
    return [_consumer2json(c,enabled_consumers) for c in consumer_providers()]

def list(request,nid):
    name = get_object_or_404(Name,pk=nid)

    if request.method == 'GET':
        if not name.has_permission(request.user,'r'):
            return render403(request,"You do not have permission to inspect consumers for %s" % name)

        return respond_to(request,
                {'application/json': json_response(_consumers(name)),
                 'text/html': "apps/consumers/list.html"},{'consumers': _consumers(name)})

    else:
        return HttpResponseBadRequest()

def add(request,nid):
    name = get_object_or_404(Name,pk=nid)

    if not name.has_permission(request.user,'w'):
        return render403(request,"You do not have permission to create consumers for %s" % name)

    if request.method == 'POST':
        consumer = Consumer(user=request.user,name=name)
        form = ConsumerForm(request.POST,instance=consumer)
        if form.is_valid():
            consumer = form.save()
            return redirect("/name/%d/consumers" % nid)

    return respond_to(request,{'text/html': 'apps/consumers/edit.html'},{'form': form})


def remove(request,nid,cid):
    name = get_object_or_404(Name,pk=nid)

    if not name.has_permission(request.user,'w'):
        return render403(request,"You do not have permission to remove consumers from %s" % name)

    consumer = get_object_or_404(Consumer,pk=cid)
    consumer.delete()
    return redirect("/name/%d/consumers" % nid)