import logging

from camps.mixins import CampViewMixin
from django.contrib import messages
from django.forms import modelformset_factory
from django.shortcuts import redirect
from django.urls import reverse
from django.views.generic.edit import FormView
from program.models import (
    Event,
    EventFeedback,
    Url,
    UrlType,
)

from ..forms import (
    AddRecordingForm,
)
from ..mixins import (
    ContentTeamPermissionMixin,
)

logger = logging.getLogger("bornhack.%s" % __name__)


class ApproveFeedbackView(CampViewMixin, ContentTeamPermissionMixin, FormView):
    """
    This view shows a list of EventFeedback objects which are pending approval.
    """

    model = EventFeedback
    template_name = "approve_feedback.html"

    def setup(self, *args, **kwargs):
        super().setup(*args, **kwargs)
        self.queryset = EventFeedback.objects.filter(
            event__track__camp=self.camp, approved__isnull=True
        )

        self.form_class = modelformset_factory(
            EventFeedback,
            fields=("approved",),
            min_num=self.queryset.count(),
            validate_min=True,
            max_num=self.queryset.count(),
            validate_max=True,
            extra=0,
        )

    def get_context_data(self, *args, **kwargs):
        """
        Include the queryset used for the modelformset_factory so we have
        some idea which object is which in the template
        Why the hell do the forms in the formset not include the object?
        """
        context = super().get_context_data(*args, **kwargs)
        context["event_feedback_list"] = self.queryset
        context["formset"] = self.form_class(queryset=self.queryset)
        return context

    def form_valid(self, form):
        form.save()
        if form.changed_objects:
            messages.success(
                self.request, f"Updated {len(form.changed_objects)} EventFeedbacks"
            )
        return redirect(self.get_success_url())

    def get_success_url(self, *args, **kwargs):
        return reverse(
            "backoffice:approve_event_feedback", kwargs={"camp_slug": self.camp.slug}
        )


class AddRecordingView(CampViewMixin, ContentTeamPermissionMixin, FormView):
    """
    This view shows a list of events that is set to be recorded, but without a recording URL attached.
    """

    model = Event
    template_name = "add_recording.html"

    def setup(self, *args, **kwargs):
        super().setup(*args, **kwargs)
        self.queryset = Event.objects.filter(
            track__camp=self.camp, video_recording=True
        ).exclude(
            urls__url_type__name="Recording"
        )

        self.form_class = modelformset_factory(
            Event,
            form=AddRecordingForm,
            min_num=self.queryset.count(),
            validate_min=True,
            max_num=self.queryset.count(),
            validate_max=True,
            extra=0,
        )

    def get_context_data(self, *args, **kwargs):
        """
        Include the queryset used for the modelformset_factory so we have
        some idea which object is which in the template
        Why the hell do the forms in the formset not include the object?
        """
        context = super().get_context_data(*args, **kwargs)
        context["event_list"] = self.queryset
        context["formset"] = self.form_class(queryset=self.queryset)
        return context

    def form_valid(self, form):
        form.save()

        for event_data in form.cleaned_data:
            if event_data['recording_url']:
                url = event_data['recording_url']
                if not event_data['id'].urls.filter(url=url).exists():
                    recording_url = Url()
                    recording_url.event = event_data['id']
                    recording_url.url = url
                    recording_url.url_type = UrlType.objects.get(name="Recording")
                    recording_url.save()

        if form.changed_objects:
            messages.success(
                self.request, f"Updated {len(form.changed_objects)} Event"
            )
        return redirect(self.get_success_url())

    def get_success_url(self, *args, **kwargs):
        return reverse(
            "backoffice:add_eventrecording", kwargs={"camp_slug": self.camp.slug}
        )