from django.shortcuts import render_to_response, redirect

from workshop.reg.models import Event

from workshop.feedback.models import Feedback

from workshop.feedback.forms import FeedbackForm

from workshop.feedback.utils import compile_report

from django.http import HttpResponse

def submit_feedback(request, event_key):

    """ see if the ip address has already submitted a feedback.

    if not, collect the feedback.

    """

    try:

        event = Event.objects.get(key=event_key)

    except Event.DoesNotExist:

        raise Http404

    if event.feedback_status == "0":

        raise Http404

    user_ip = request.META["REMOTE_ADDR"]

    try:

        old_feedback = Feedback.objects.get(day=event.feedback_status, user_ip=user_ip)

        return render_to_response('feedback.html', {'submitted':True})

    except Feedback.DoesNotExist:

        new_feedback = Feedback(event=event, user_ip=user_ip, day=event.feedback_status)

    if request.method == "POST":

        form = FeedbackForm(request.POST)

        if form.is_valid():

            data = form.cleaned_data

            new_feedback.topics = data['topics']  

            new_feedback.depth = data['depth']

            new_feedback.methodology = data['methodology']

            new_feedback.pace = data['pace']

            new_feedback.applicability = data['applicability']

            new_feedback.problems = data['problems']

            new_feedback.exercises = data['exercises']

            new_feedback.comments = data['comments']

            new_feedback.save()

            return render_to_response('feedback.html', {'submitted':True})

        else:

            return render_to_response('feedback.html',{'form':form})

    else:

        form = FeedbackForm()

        return render_to_response('feedback.html',{'form':form})

def list_feedbacks(request, event_key):

    """ print a list of all the feedbacks collected.

    """

    user = request.user

    try:

        event = Event.objects.get(key__iexact=event_key)

    except Event.DoesNotExist:

        raise Http404

    if not user in event.organizers.all():

        raise Http404

    no_of_days = (event.stop_date - event.start_date).days