from django import shortcuts
from django.conf import settings
from django.http import Http404
from django.shortcuts import get_object_or_404
from django.shortcuts import redirect as django_redirect
from members.models import Group

from .models import Post
from .models import Section


# render shortcut adding additional context variables, needed for navbar
def render(request, template_path, context={}):
    context["groups"] = Group.objects.filter(show_website=True).order_by("name")
    context["sections"] = Section.objects.all()
    try:
        context["root_section"] = Section.objects.get(urlname=settings.ROOT_SECTION)
    except Section.DoesNotExist:
        pass
    return shortcuts.render(request, template_path, context)


def index(request):
    context = {
        "recent_posts": Post.objects.filter(section__urlname=settings.RECENT_SECTION).order_by(
            "-date"
        ),
        "reports": Post.objects.filter(section__urlname=settings.REPORTS_SECTION).order_by("-date"),
    }
    return render(request, "startpage/index.html", context)


def redirect(request):
    return django_redirect(settings.STARTPAGE_REDIRECT_URL)


# static view factory
def static_view(template_path):
    def view(request):
        return render(request, template_path)

    return view


def gruppe_detail(request, group_name):
    try:
        group = Group.objects.get(name=group_name)
    except Group.DoesNotExist:
        raise Http404
    if not group.show_website:
        raise Http404

    context = {
        "group": group,
        "people": group.leiters.all(),
    }
    return render(request, "startpage/gruppen/detail.html", context)


def aktuelles(request):
    section = get_object_or_404(Section, urlname=settings.RECENT_SECTION)
    posts = Post.objects.filter(section=section)
    context = {
        "posts": posts,
    }
    return render(request, "startpage/aktuelles.html", context)


def berichte(request):
    section = get_object_or_404(Section, urlname=settings.REPORTS_SECTION)
    posts = Post.objects.filter(section=section)
    context = {
        "posts": posts,
    }
    return render(request, "startpage/berichte.html", context)


def post(request, section_name, post_name):
    section = get_object_or_404(Section, urlname=section_name)
    post = get_object_or_404(Post, section=section, urlname=post_name)
    context = {
        "post": post,
        "section": section,
        "people": [m for group in post.groups.all() for m in group.member_set.all()],
    }
    return render(request, "startpage/post.html", context)


def section(request, section_name):
    assert section_name != "aktuelles"
    assert section_name != "berichte"
    section = get_object_or_404(Section, urlname=section_name)
    context = {
        "section": section,
    }
    return render(request, "startpage/section.html", context)


def handler404(request, exception):
    response = render(request, "startpage/404.html")
    response.status_code = 404
    return response


def handler500(request):
    response = render(request, "startpage/500.html")
    response.status_code = 500
    return response