import mimetypes

import os.path

from django.http import HttpResponse

from django.template.response import TemplateResponse

from ..local_context_processors import fundgoal_lookup

STATIC_ROOT = os.path.abspath(os.path.dirname(__file__))

FILESYSTEM_ENCODING = 'utf-8'

def handler(request, errorcode):

    path = os.path.join('error', str(errorcode), 'index.html')

    fullpath = os.path.join(STATIC_ROOT, path)

    if not os.path.exists(fullpath):

        return HttpResponse("Internal error: " + path, status=int(errorcode))

    else:

        return TemplateResponse(request, path, status=int(errorcode))

def handler401(request):

    return handler(request, 401)

def handler403(request):

    return handler(request, 403)

def handler404(request):

    return handler(request, 404)

def handler500(request):

    return handler(request, 500)

def index(request, *args, **kwargs):

    path = request.path.lstrip('/')

    if path.endswith('/'):

        path += 'index.html'

    fullpath = os.path.join(STATIC_ROOT, path)

    try:

        # Junk URLs in production (Python 3.5) are causing UnicodeEncodeErrors

        # here. Can't reproduce in development in Python 3.9 - only Python 2.7.

        if not os.path.exists(fullpath):

            return handler404(request)

    except UnicodeEncodeError:

        return handler404(request)

    content_type, _ = mimetypes.guess_type(path)

    if content_type != 'text/html':

        return HttpResponse(open(fullpath, 'rb'), content_type)

    else:

        context = kwargs.copy()

        try:

            context['fundgoal'] = fundgoal_lookup(kwargs['fundraiser_sought'])

        except KeyError:

            pass

        return TemplateResponse(request, path, context)

def debug(request):

    path = request.get_full_path()

    path = path.lstrip('/')

    return HttpResponse("Hello, static world: " + path)