<?php

namespace Tests\Support;

use Illuminate\Filesystem\FilesystemAdapter;
use Illuminate\Support\Facades\Storage;

/**
 * Storage-Fake mit gezielt eingebautem Fehlverhalten für einzelne
 * Methoden (put, delete, move, exists). Die Fake-Disk bleibt das Backend;
 * die Hooks bekommen den Pfad und einen Callback auf das echte Verhalten.
 *
 * Nutzung: FailingDisk::install('archive', ['delete' => fn () => false]);
 * Zurücksetzen: FailingDisk::restore('archive').
 */
class FailingDisk extends FilesystemAdapter
{
    /** @var array<string, FilesystemAdapter> */
    private static array $originals = [];

    /**
     * @param  array<string, callable>  $hooks
     */
    public function __construct(FilesystemAdapter $inner, private readonly array $hooks)
    {
        parent::__construct($inner->getDriver(), $inner->getAdapter(), $inner->getConfig());
    }

    /**
     * @param  array<string, callable>  $hooks
     */
    public static function install(string $disk, array $hooks): FilesystemAdapter
    {
        /** @var FilesystemAdapter $original */
        $original = self::$originals[$disk] ?? Storage::disk($disk);
        self::$originals[$disk] = $original;
        Storage::set($disk, new self($original, $hooks));

        return $original;
    }

    public static function restore(string $disk): void
    {
        if (isset(self::$originals[$disk])) {
            Storage::set($disk, self::$originals[$disk]);
            unset(self::$originals[$disk]);
        }
    }

    public function exists($path)
    {
        return $this->hook('exists', $path, fn () => parent::exists($path));
    }

    public function put($path, $contents, $options = [])
    {
        return $this->hook('put', $path, fn () => parent::put($path, $contents, $options));
    }

    public function delete($paths)
    {
        return $this->hook('delete', $paths, fn () => parent::delete($paths));
    }

    public function move($from, $to)
    {
        return $this->hook('move', $from, fn () => parent::move($from, $to));
    }

    private function hook(string $method, mixed $path, callable $real): mixed
    {
        if (isset($this->hooks[$method])) {
            return ($this->hooks[$method])($path, $real);
        }

        return $real();
    }
}