<?php

namespace App\Lib;

use Exception;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Str;
use SplFileInfo;

/**
 * Some utilities methods
 *
 * @author Jérémy Munsch <jeremy.munsch@ldc.fr>
 */
// phpcs:disable Generic.Files.LineLength.TooLong
class Utils
{
    /**
     * Store an image for a model
     * if a string is passed then the store action is ignored and the strieng is returned
     *
     * @param \Illuminate\Http\UploadedFile|\SplFileInfo|string $image
     * @param string                                            $folderName
     * @return string The storage path
     *
     * @throws \ErrorException If file copy fails.
     * @throws Exception If didn't manage to return a file path.
     */
    public static function storeImage($image, string $folderName): string
    {
        if (\is_object($image) and get_class($image) === UploadedFile::class) {
            /** @var UploadedFile */
            $image   = $image;
            $newPath = self::prepareMoveFile($image->getClientOriginalName(), $folderName);
            $newPath = str_replace(storage_path('app'), '', $newPath);
            $image->storePubliclyAs(pathinfo($newPath, \PATHINFO_DIRNAME), pathinfo($newPath, \PATHINFO_BASENAME));
            return '/storage' . str_replace('/public', '', $newPath);
        }
        if (\is_object($image) and get_class($image) === SplFileInfo::class) {
            /** @var SplFileInfo */
            $image   = $image;
            $newPath = self::prepareMoveFile($image->getBaseName(), $folderName);
            if (!File::copy($image->getRealPath(), $newPath)) {
                throw new \ErrorException(sprintf(
                    'Failed to copy file %s to %s',
                    $image->getRealPath(),
                    $newPath
                ));
            }
            return str_replace(\storage_path('app/public'), '/storage', $newPath);
        }
        if (\is_string($image)) {
            return $image;
        }
        throw new Exception(sprintf('Cannot handle image %s', \gettype($image)));
    }

    /**
     * Prepare storage path and return
     * the image full path
     *
     * @param string $filename   The basename for the file.
     * @param string $folderName Foldername for storage.
     * @return string
     */
    private static function prepareMoveFile(string $filename, string $folderName): string
    {
        $pathFolder = \storage_path("app/public/images/$folderName");
        if (!File::exists($pathFolder)) {
            File::makeDirectory($pathFolder, 0755, true);
        }
        $filename = sprintf('%s-%s', Str::uuid(), $filename);
        $fullPath = sprintf('%s/%s', $pathFolder, $filename);
        if (File::exists($fullPath)) {
            File::delete($fullPath);
        }
        return $fullPath;
    }
}