from django.core.mail import send_mail
from django.urls import reverse_lazy
from django.views.generic import DetailView
from django.views.generic.edit import CreateView

from .forms import AssignmentForm
from .models import Assignment

class AssignmentCreateView(CreateView):
    """Show a form for the initial  copyright assignment."""

    form_class = AssignmentForm
    template_name = 'assignment/assignment_form.html'

    def form_valid(self, form):
        intro = 'The following copyright assignment has been submitted:\n\n'
        body = intro + '\n'.join(['{}: {}'.format(k, v) for k, v in form.cleaned_data.items() if k != 'agreement_terms'])
        send_mail(
            'Copyright assignment form: {}'.format(form.cleaned_data['full_name']),
            body,
            'copyright-assignment@sfconservancy.org',
            ['copyright-assignment@sfconservancy.org', 'copyright-agent@sfconservancy.org'],
        )
        return super().form_valid(form)

    def get_success_url(self, *args, **kwargs):
        return reverse_lazy('assignment-thanks', kwargs={'pk': str(self.object.uuid)})


class AssignmentThanksView(DetailView):
    model = Assignment
    template_name = 'assignment/thanks.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['form'] = AssignmentForm(instance=self.object)
        for _, field in context['form'].fields.items():
            field.widget.attrs['disabled'] = 'disabled'
        return context