<?php

namespace App\Services\Report;

use App\Models\Study;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;

final readonly class ReportStorage
{
    final public const REPORTS_DISK = 'public';
    final public const REPORTS_DIRECTORY = 'reports';

    public static function folder(Study|int $study): string
    {
        $hash = md5($study instanceof Study ? $study->id : $study);

        return implode('/', [
            self::REPORTS_DIRECTORY,
            substr($hash, 0, 2),
            substr($hash, 2, 2),
            substr($hash, 4, 2),
        ]);
    }

    public static function randomFilepath(Study|int $study, string $ext = '.html'): string
    {
        $filename = Str::random(16) . $ext;

        return self::customFilepath($study, $filename);
    }

    public static function customFilepath(Study|int $study, string $filename): string
    {
        return self::folder($study) . '/' . $filename;
    }

    public static function abspath(string $path): string
    {
        return Storage::disk(self::REPORTS_DISK)->path($path);
    }

    public static function exists(Study|int $study, string $filename): bool
    {
        return Storage::disk(self::REPORTS_DISK)->exists(self::customFilepath($study, $filename));
    }
}