from django.utils import timezone

from django.http import JsonResponse
from django.shortcuts import get_object_or_404
from django.views.decorators.csrf import csrf_exempt

from marietje.utils import playlist_song_to_dict
from queues.models import Queue
from songs.models import Song

from .decorators import token_required


@csrf_exempt
@token_required
def queue(request):
    queue = get_object_or_404(Queue, id=request.POST.get('queue'))

    commands = queue.queuecommand_set.filter(executed=False)
    for command in commands:
        command.executed = True
        command.save()

    return JsonResponse({
        'current_song': playlist_song_to_dict(queue.current_song(), hash=True, replaygain=True),
        'queue': [playlist_song_to_dict(playlist_song, hash=True, replaygain=True) for playlist_song in queue.queue()[:1]],
        'commands': [command.command for command in commands]
    })


@csrf_exempt
@token_required
def play(request):
    queue = get_object_or_404(Queue, id=request.POST.get('queue'))
    queue.started_at = timezone.now()
    queue.save()
    current_song = queue.current_song()
    current_song.played_at = queue.started_at
    current_song.save()

    return JsonResponse({})


@csrf_exempt
@token_required
def next(request):
    queue = get_object_or_404(Queue, id=request.POST.get('queue'))
    player_song = queue.current_song()
    player_song.state = 2
    player_song.save()
    return JsonResponse({})


@csrf_exempt
@token_required
def analysed(request):
    song = get_object_or_404(Song, id=request.POST.get('song'))
    if 'gain' in request.POST:
        song.rg_gain = request.POST.get('gain')
    if 'peak' in request.POST:
        song.rg_peak = request.POST.get('peak')
    song.save()
    return JsonResponse({})