<?php
namespace App\Domain\Feeds\Service;

use App\Domain\Feeds\DataTransferObjects\FeedData;
use App\Domain\Feeds\Models\Feed;
use App\Domain\Images\Models\Image;
use App\Domain\Musics\Models\Music;
use App\Domain\Videos\Models\Video;
use Illuminate\Database\Eloquent\Relations\MorphTo;
use Illuminate\Database\Eloquent\Builder;

class FeedService
{
    public static function list($users, $where = null, $only = null)
    {
        $users_id = $users->pluck('id')->toArray();
        $feeds = Feed::query();
        if ($where) {
            $feeds = $feeds->where('id', '<', $where);
        }
        if($only){
            if($only == 'image'){
                //$feeds = $feeds->whereHasMorph('feedable', [Image::class]);
                $feeds = $feeds->where('type', 'images');
            }
            if($only == 'video'){
                //$feeds = $feeds->whereHasMorph('feedable', [Video::class]);
                $feeds = $feeds->where('type', 'videos');
            }
            if($only == 'music'){
                //$feeds = $feeds->whereHasMorph('feedable', [Music::class]);
                $feeds = $feeds->where('type', 'musics');
            }
        }
        $feeds = $feeds->whereIn('user_id', $users_id)
        ->orderBy('id', 'desc')
        ->limit(10)
        ->withCount([ 'comments', 'likes', 'likes as liked' => function (Builder $query)  {
            $query->where('user_id', auth()->user()->id);
        }])
        ->withCasts(['liked' => 'boolean'])
        ->with('tags', 'media')->get();

        $feed_collect = collect();
        foreach ($feeds as $feed) {
            $feed = FeedData::fromDataBase($feed, $users);
            $feed['entity']->tags->transform(function ($item) {
                return [
                    'id' => $item->id,
                    'name' => $item->name,
                    'slug' => $item->slug,
                ];
            });
            $feed_collect[] = $feed;
        }
        return $feed_collect;
    }


}