views.py

from django.shortcuts import render
from django.contrib.formtools.wizard.views import SessionWizardView
from django.forms.formsets import formset_factory

from .forms import FormStep1, FormStep2, FormStep3, FormStep4, FormStep5, FormStep6, DetalleHotel, DetalleCustom
from .models import Registration
from apps.activities.models import EventActivity

FORMS = [
  ("step1", FormStep1),
  ("step2", FormStep2),
  ("step3", FormStep3),
  ("step4", FormStep4),
  ("step5", FormStep5),
  ("step6", FormStep6),
  ("detalle_hotel", DetalleHotel),
  ("detalle_custom", DetalleCustom)
]

TEMPLATES = {
  "step1" : "wizard/step1.html",
  "step2" : "wizard/step2.html",
  "step3" : "wizard/step3.html",
  "step4" : "wizard/step4.html",
  "step5" : "wizard/step5.html",
  "step6" : "wizard/step6.html",
  "detalle_hotel" : "wizard/detalle_hotel.html",
  "detalle_custom" : "wizard/detalle_custom.html"
}

class RegisterStepsWizard(SessionWizardView):


  instance = None
  def get_context_data(self, form, **kwargs):
    context = super(RegisterStepsWizard, self).get_context_data(form=form, **kwargs)

    # Probemos esto:
    #
    # ¿Qué tal si por cada uno de las actividades que nos interesa mostrar generamos un formset nuevo asociado a esa actividad,
    # tal que sea posible crear multiples asistentes desde el template de registro?
    #
    # Esencialmente sería esto:
    #
    # activities = EventActivity.objects.all() # Trae todas las actividades
    #
    # AssistantFormSet = inlineformset_factory(EventActivity, Assistant) # Crea un formset del tipo inline.
    #
    # formsets = [ AssistantFormSet(instance=activity) for activity in activities ] # Por cada actividad crea una *instancia* de un formset __asociada a dicha actividad__.
    # 
    # TODO: Add magic stuff here.

    return context

  def get_template_names(self):
    return [TEMPLATES[self.steps.current]]

  def get_form_instance(self, step):
    if self.instance is None:
      self.instance = Registration()
    return self.instance

  def done(self, form_list, **kwargs):
    self.instance.save()


    return HttpResponseRedirect('/wizard/confirmacion.html/')