<?php

namespace App\Http\Controllers\Watch;
use Illuminate\Http\Request;
use App\Http\Controllers\Common;
// use Illuminate\Support\Facades\Log;

class Playlist extends Common {
  private $common;

  public function __construct () {
    $this->common = new Common;
  }

  public function index ($id, Request $r) {
    $res = [
      'page' => 'playlist',
      'style' => 'watch',
      'id' => $id,
      'pos' => isset($r->playlistPosition) ? (int)$r->playlistPosition : 1,
      'resume' => isset($r->resume) ? (bool)$r->resume : true,
      'userinfo' => $this->common->user,
    ];

    $det = $this->getDetail($id);
    $res['playlist'] = $det;
    $res['plvid'] = $this->getVideos($det->uuid, 0, $det->videosLength);

    if ($res['pos'] < 1) $res['pos'] = 1;
    if ($res['pos'] > $det->videosLength) $res['pos'] = $det->videosLength;

    $id = 0;
    foreach ($res['plvid']->data as $k => $v) {
      if ($v->position == $res['pos']) {
        $id = $v->video->uuid;
        $res['detail'] = $this->getVideo($id);
      }

      $res['plvid']->data[$k]->video->nameShort = strlen($res['plvid']->data[$k]->video->name) > 45 ? substr($res['plvid']->data[$k]->video->name, 0, 45).'...' : $res['plvid']->data[$k]->video->name;
    }

    $res = $this->getComment($id, $res);

    $tags = [];
    if (!is_null($res['detail']->tags)) $tags = $res['detail']->tags;
    else $tags = explode(' ', $res['detail']->title);

    $res['recommend'] = $this->getRecommend($tags);
    return view('pages.peertube.w.p', ['res' => $res]);
  }

  function getDetail ($id) {
    return $this->ptapi('/api/v1/video-playlists/'.$id);
  }

  function getVideos ($uuid, $start, $count) {
    return $this->ptapi('/api/v1/video-playlists/'.$uuid.'/videos?start='.$start.'&count='.$count);
  }

  function getVideo ($uuid) {
    return $this->ptapi('/api/v1/videos/'.$uuid);
  }

  function getRecommend ($tags) {
    $tag = '';
    foreach ($tags as $t) {
      $tag .= 'tagsOneOf='.urlencode($t).'&';
    }
    return $this->ptapi('/api/v1/search/videos?start=0&count=6&nsfw=both&'.$tag.'sort=-publishedAt&searchTarget=local');
  }

  function getComment ($id, $res) {
    $get = null;

    $res['comment'] = $this->ptapi('/api/v1/videos/'.$id.'/comment-threads');
    foreach ($res['comment']->data as $co) {
      $co->src = 'PT';
    }

    return $res;
  }
}