from django.shortcuts import render_to_response, redirect

from workshop.reg.models import Event

from workshop.feedback.models import Feedback, FeedLog

from workshop.feedback.forms import FeedbackForm

from workshop.feedback.utils import make_day_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.

    """

    user = request.user

    if not (user.is_authenticated() and user.is_active):

        raise Http404

    try:

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

    except Event.DoesNotExist:

        raise Http404

    if event.feedback_status == "0":

        raise Http404

    try:

        FeedLog.objects.get(user=user,day=event.feedback_status,event=event)

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

    except FeedLog.DoesNotExist:

        new_feedback = Feedback(event=event)

    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', {'user':user, 'submitted':True, 'event':event})

        else:

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

    else:

        form = FeedbackForm()

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

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

    days = range(1,no_of_days+2)

    feeds_list = []

    for day in days:

        day_feeds = Feedback.objects.filter(event=event,day=day)

        if day_feeds.count():

            day_list = []

            for feed in day_feeds:

                day_list.append(" ".join((feed.topics, feed.depth, feed.methodology, feed.pace,

                                feed.applicability, feed.problems, feed.exercises, feed.comments)))

            feeds_list.extend(["Day %s"%day, day_list])

    return render_to_response('list_feedbacks.html',{'user':user, 'event':event, 'feeds_list':feeds_list})

def view_report(request, event_key):

    """ compile the report and display it.

    """

    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

    days = range(1,no_of_days+2)

    workshop_report = []

    for day in days:

        day_num = str(day)

        day_feeds = Feedback.objects.filter(event=event,day=day_num)

        day_report = make_day_report(day_feeds) 

        if day_report:

            workshop_report.extend( [ "Day %s"%day_num, day_report] )

    return render_to_response("show_report.html", {"user":user, "event":event, "workshop_report":workshop_report})