import json
import os
import subprocess

from django.core.management.base import BaseCommand
from django.conf import settings

from ...render import render_infinity


class Command(BaseCommand):
    help = 'render infinity'

    def add_arguments(self, parser):
        parser.add_argument('--prefix', action='store', dest='prefix', default="/srv/t_for_time", help='prefix to build clips in')
        parser.add_argument('--config', action='store', dest='config', default=None, help='config')
        parser.add_argument('--duration', action='store', dest='duration', default="3600", help='target duration of all fragments in seconds')
        parser.add_argument('--single-file', action='store_true', dest='single_file', default=False, help='render to single video')
        parser.add_argument('--keep-audio', action='store_true', dest='keep_audio', default=False, help='keep independent audio tracks')
        parser.add_argument('--stereo-downmix', action='store_true', dest='stereo_downmix', default=False, help='stereo downmix')
        parser.add_argument('--debug', action='store_true', dest='debug', default=False, help='output more info')

    def handle(self, **options):
        if options.get("config"):
            if os.path.exists(options["config"]):
                with open(options["config"]) as fd:
                    config = json.load(fd)
                options.update(config)
            else:
                print("unable to load config %s" % options["config"])
        render_infinity(options)