<?php
namespace App\Services;

use App\Services\ThumbnailService;

class ThumbnailPresenter
{
    /**
     * Present thumbnail data for an item which may be a model or an array.
     * Returns ['id' => int|null, 'title' => string, 'url' => string, 'srcset' => string|null]
     */
    public static function present($item, string $size = 'md'): array
    {
        $uext = 'jpg';
        $isEloquent = $item instanceof \Illuminate\Database\Eloquent\Model;

        $id = null;
        $title = '';

        if ($isEloquent) {
            $id = $item->id ?? null;
            $title = $item->name ?? '';
            $url = $item->thumb_url ?? $item->thumb ?? '';
            $srcset = $item->thumb_srcset ?? null;
            return ['id' => $id, 'title' => $title, 'url' => $url, 'srcset' => $srcset];
        }

        // If it's an object but not an Eloquent model (e.g. stdClass row), cast to array
        if (is_object($item)) {
            $item = (array) $item;
        }

        $id = $item['id'] ?? null;
        $title = $item['name'] ?? '';

        // If array contains direct hash/thumb_ext, use CDN fromHash
        $hash = $item['hash'] ?? null;
        $thumbExt = $item['thumb_ext'] ?? ($item['ext'] ?? $uext);
        if (!empty($hash) && !empty($thumbExt)) {
            $url = ThumbnailService::fromHash($hash, $thumbExt, $size) ?: ThumbnailService::url(null, $id, $thumbExt, 6);
            $srcset = ThumbnailService::srcsetFromHash($hash, $thumbExt);
            return ['id' => $id, 'title' => $title, 'url' => $url, 'srcset' => $srcset];
        }

        // Fallback: ask ThumbnailService to resolve by id or file path
        $url = ThumbnailService::url(null, $id, $uext, 6);
        return ['id' => $id, 'title' => $title, 'url' => $url, 'srcset' => null];
    }
}