<?php

declare(strict_types=1);

namespace App\Support;

use Spatie\MediaLibrary\MediaCollections\Models\Media;
use Spatie\MediaLibrary\Support\PathGenerator\PathGenerator;

/**
 * 附件路径生成器：优先用老 sablog 的原始 filepath（date_200802/xxx.jpg），
 * 没有的话用 spatie 默认的 {id}/{file_name} 结构
 */
class LegacyAttachmentPathGenerator implements PathGenerator
{
    public function getPath(Media $media): string
    {
        $legacy = $media->getCustomProperty('legacy_filepath');
        if ($legacy) {
            $legacy = ltrim($legacy, '/');
            $dir = dirname($legacy);
            if ($dir !== '.') {
                return $dir . '/';
            }
        }

        return $media->id . '/';
    }

    public function getPathForConversions(Media $media): string
    {
        return $this->getPath($media) . 'conversions/';
    }

    public function getPathForResponsiveImages(Media $media): string
    {
        return $this->getPath($media) . 'responsive-images/';
    }
}