import mimetypes
import os
import logging
import urlparse

from django.conf.urls import url
import json
from django.http import Http404, HttpResponse, HttpResponseForbidden, HttpResponseNotFound
from django.core.servers.basehttp import FileWrapper
from nginx_signing.signing import UriSigner
from sendfile import sendfile

from dss import settings
from spa.models.mix import Mix
from utils import here


logger = logging.getLogger('spa')


class AudioHandler(object):
    @property
    def urls(self):
        pattern_list = [
            url(r'^stream/(?P<mix_id>\d+)/$', 'spa.audio.start_streaming', name='audio_start_streaming'),
            url(r'^download/(?P<mix_id>\d+)/$', 'spa.audio.download', name='audio_download'),
        ]

        return pattern_list


def download(request, mix_id):
    try:
        if not request.user.is_authenticated():
            return HttpResponseForbidden("Get tae fuck!!!")

        mix = Mix.objects.get(pk=mix_id)
        if mix is not None:
            if mix.download_allowed:
                audio_file = mix.get_absolute_path()
                filename, extension = os.path.splitext(audio_file)

                if os.path.exists(audio_file):
                    return sendfile(
                        request,
                        audio_file,
                        attachment=True,
                        attachment_filename='Deep South Sounds - %s%s' % (
                            mix.title, extension
                        )
                    )
            else:
                return HttpResponse('Downloads not allowed for this mix', status=401)

    except Exception, ex:
        print ex

    raise Http404("Mix not found")


def start_streaming(request, mix_id):
    logger.debug('Start streaming called: %s' % mix_id)
    try:
        mix = Mix.objects.get(pk=mix_id)
        if mix is not None:
            mix.add_play(request.user)
            # logger.debug('Found the mix (old method): %s' % mix.uid)
            logger.debug('Found the mix (new method) %s' % mix.uid)
            filename = "%s/mixes/%s.mp3" % (here(settings.MEDIA_ROOT), mix.uid)
            logger.debug('Serving file: %s' % filename)

            response = sendfile(request, filename)
            return response
    except Exception, ex:
        print ex

    raise Http404("Mix not found")