from django.core.mail import send_mail
from django.conf import settings
from django.views.generic import DetailView
from django.views.generic.base import TemplateView
from django.views.generic.edit import CreateView
from django.contrib.auth.mixins import LoginRequiredMixin
from django.urls import reverse
from .models import CaseStudy
from .forms import ShortCaseStudyForm, LongCaseStudyForm

NOTIFY_MESSAGE = """
Hello,

Someone has submitted a new case study to the Ojuso website.  Please
follow the below link to look over and approve it:

%s%s

– Case Study Robot

"""

class Map(TemplateView):
    template_name = "map/index.html"


class Create(LoginRequiredMixin, TemplateView):
    template_name = "map/how_much_time.html"


class BaseForm(LoginRequiredMixin, CreateView):
    """View for base case study form."""
    template_name = 'map/form.html'
    success_url = '/case-study/create/success/'
    model = CaseStudy

    def send_email(self):
        """Sends email to moderator to approve case study."""

        send_mail(
            'New case study submitted',
            NOTIFY_MESSAGE % (
                settings.SITE_URL,
                reverse('admin:map_casestudy_change', args=[self.object.id])
            ),
            'noreply@ojuso.org',
            [settings.DATABASE_EMAIL],
            fail_silently=False,
        )

    def form_valid(self, form):
        self.object = form.save()
        self.send_email()
        return super().form_valid(form)


class ShortForm(BaseForm):
    """View for short version of case study form."""
    form_class = ShortCaseStudyForm


class LongForm(BaseForm):
    """View for long version of case study form."""
    form_class = LongCaseStudyForm


class FormSuccess(TemplateView):
    template_name = 'map/form-success.html'


class CaseStudyDetail(DetailView):
    template_name = "map/detail.html"
    model = CaseStudy
    context_object_name = "case_study"