from django.shortcuts import render
from django.views import View
from django.http import HttpResponse
from django.template.response import TemplateResponse
from django.contrib.auth.mixins import LoginRequiredMixin
import re
from random import choice
from .models import Track, Artist, Album
from .models.utils import from_json
from . import spotify

spt = spotify.Spotify()

# TODO auth mixins

class AuthView(View):
    def get(self, request):
        return TemplateResponse(request, "Login.html", {})

class TrackListView(View):
    def get(self, request):
        return HttpResponse("..")

class TrackDetailView(LoginRequiredMixin, View):
    def get(self, request, spotify_id):
        try:
            track = Track.objects.get(pk=spotify_id)
            return HttpResponse(str(track))
        except Track.DoesNotExist:
            return HttpResponse("No track")

class VoteView(LoginRequiredMixin, View):
    def get(self, request):
        songs = Track.objects.all()
        return TemplateResponse(request, "Vote.html", {"songs": songs})

class VoteTrackView(LoginRequiredMixin, View):
    def get(self, request):
        pks = Track.objects.values_list('pk', flat=True)
        track = Track.objects.get(pk=choice(pks))

        return TemplateResponse(request, "SpotifyEmbed.html", {"id": track.id})

class NominateView(LoginRequiredMixin, View):
    def get(self, request):
        return TemplateResponse(request, "Nominate.html", {})
    def post(self, request):
        spotify_link = self.request.POST['spotify_link']
        m = re.match(r"^https:\/\/open.spotify.com\/track\/(\w+)\??", spotify_link)
        spotify_id = m.group(1)
        try:
            track = Track.all_tracks.get(pk=spotify_id)
            if track.old:
                return HttpResponse("Deze was vorig jaar al genomineerd: " + str(track))
            return HttpResponse("Maat, dat bestaat al: " + str(track))
        except Track.DoesNotExist:
            json = spt.get_song_info(spotify_id)

            # Album artists
            album_artists = []
            for artist in json["album"]["artists"]:
                album_artists.append(from_json(Artist, artist))
            del json["album"]["artists"]

            # Album
            album = from_json(Album, json["album"])
            del json["album"]
            for artist in album_artists:
                album.artists.add(artist)

            # Track artists
            track_artists = []
            for artist in json["artists"]:
                track_artists.append(from_json(Artist, artist))
            del json["artists"]

            # Track
            track = from_json(Track, json)
            for artist in track_artists:
                track.artists.add(artist)
            track.album = album
            track.save()
            return HttpResponse(str(track))