import os.path
from django.views.generic import FormView
from django.conf import settings
from django.http import HttpResponse, Http404
from django.template.loader import get_template
from .utils import get_context, parse_content, get_title_from_markdown, swap_page
from project.common.forms import ContactForm


def page_view(request, path):
    template = None
    if path.endswith('/'):
        path = path[:-1]

    path = swap_page(path)

    if os.path.isdir(os.path.join(settings.BASE_DIR, 'templates', path)):
        path = os.path.join(path, 'index')
    for extension in ['md', 'html']:
        try:
            template = get_template("{}.{}".format(path, extension))
            break
        except:
            pass
    if not template:
        raise Http404
    context = get_context(path)
    parsed_content = parse_content(template.render(context, request), extension)
    if extension == 'md':
        template = get_template('markdown_content.html')
        context['markdown_content'] = parsed_content
        context['page_title'] = get_title_from_markdown(parsed_content)
        parsed_content = template.render(context, request)
    return HttpResponse(parsed_content)


class AboutView(FormView):
    template_name = 'about/index.html'
    success_url = '/about/?sent'
    form_class = ContactForm

    def get_context_data(self, **kwargs):
        context = dict(super().get_context_data(**kwargs), **get_context('/about'))
        context['sent'] = 'sent' not in self.request.GET
        return context