<?php

namespace Aweos\Resizer\Classes;

use Aweos\Resizer\Lib\MediaPath;
use Cache;

class CacheManager
{

    public TagGenerator $tagGenerator;
    private string $tagAll = 'resizer';

    public function __construct(TagGenerator $tagGenerator) 
    {
        $this->tagGenerator = $tagGenerator;
    }

    public function get(MediaPath $path, string $size, ?string $sizes): string
    {
        return Cache::tags($this->pathTag($path, $size))->rememberForever(
            $this->cacheKey($path, $size),
            fn () => $this->tagGenerator->generate($path, $size, $sizes)
        );
    }

    public function delete(MediaPath $path): void
    {
        Cache::tags([$this->singlePathTag($path)])->flush();
    }

    public function flush(): void
    {
        Cache::tags([$this->tagAll])->flush();
    }

    private function cacheKey(MediaPath $path, string $size): string
    {
        return "resizer.{$size}.{$path->normal()}";
    }

    private function pathTag(MediaPath $path, string $size): array
    {
        return [$this->tagAll, $this->singlePathTag($path)];
    }

    public function singlePathTag(MediaPath $path): string
    {
        return "resizer.{$path->normal()}";
    }

}