<?php

namespace App\Lib;

use Carbon\Carbon;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\Rule;
use Illuminate\Validation\ValidationException;
use SplFileInfo;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * Some utilities methods
 */
// phpcs:disable Generic.Files.LineLength.TooLong
class ToolboxHelper
{
    /**
     * Store an image for a model
     * if a string is passed then the store action is ignored and the strieng is returned
     *
     * @param UploadedFile|SplFileInfo $image
     * @param string                   $folderName
     * @throws \Exception Failed to copy file.
     * @throws Exception Cannot handle image.
     * @return string The storage path
     */
    public static function storeImage($image, string $folderName): string
    {
        if (\is_object($image) and $image::class === 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 $image::class === SplFileInfo::class) {
            /** @var SplFileInfo */
            $image   = $image;
            $newPath = self::prepareMoveFile($image->getBaseName(), $folderName);
            if (!File::copy($image->getRealPath(), $newPath)) {
                throw new \Exception(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)));
    }

    /**
     * Destroy the file associate with the attribute.
     *
     * @param string $path
     * @return void
     */
    public static function removeFile(string $path): void
    {
        $path = \ltrim(\urldecode($path), '/');
        if (!str_starts_with($path, 'storage')) {
            return;
        }
        $path = ToolboxHelper::mbReplace('storage/', '', $path);
        if (Storage::disk('public')->exists($path)) {
            Storage::disk('public')->delete($path);
        }
    }

    /**
     * Store an image for a model
     * if a string is passed then the store action is ignored and the strieng is returned
     *
     * @param string $filename
     * @param string $folderName
     * @return string The storage path
     */
    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;
    }

    /**
     * Asserts that the field is unique
     *
     * @param string        $table
     * @param string        $field
     * @param mixed         $value
     * @param integer|null  $id
     * @param callable|null $query
     * @return void
     * @throws \Illuminate\Validation\ValidationException If the field is not unique.
     */
    public static function assertFieldIsUnique(
        string $table,
        string $field,
        mixed $value,
        ?int $id = null,
        ?callable $query = null
    ): void {
        if (!$query) {
            Validator::make([$field => $value], [
                self::mbReplace('.', '\.', $field) => Rule::unique($table, $field)->ignore($id),
            ], [
                self::mbReplace('.', '\.', "{$field}.unique")
                => trans('La valeur :value pour le champ :attribute est déjà utilisé', [
                    'attribute' => $field,
                    'value' => $value
                ])
            ])->validate();
            return;
        }
        Validator::make([$field => $value], [
            $field => Rule::unique($table)->where($query)->ignore($id),
        ], [
            $field . '.unique' => trans('La valeur pour le champ :attribute est déjà utilisé', [
                'attribute' => $field
            ])
        ])->validate();
    }

    /**
     * Mutltibyte string replace
     * @param mixed   $search
     * @param mixed   $replace
     * @param mixed   $subject
     * @param integer $count
     * @return mixed
     */
    public static function mbReplace(mixed $search, mixed $replace, mixed $subject, int &$count = 0): mixed
    {
        if (!is_array($search) && is_array($replace)) {
            return false;
        }
        if (is_array($subject)) {
            // Call mb_replace for each single string in $subject .
            foreach ($subject as &$string) {
                $string = &self::mbReplace($search, $replace, $string, $count);
            }
        } elseif (is_array($search)) {
            if (!is_array($replace)) {
                foreach ($search as &$string) {
                    $subject = self::mbReplace($string, $replace, $subject, $count);
                }
            } else {
                $n = max(count($search), count($replace));
                while ($n--) {
                    $subject = self::mbReplace(current($search), current($replace), $subject, $count);
                    next($search);
                    next($replace);
                }
            }
        } else {
            $parts   = mb_split(preg_quote($search), $subject);
            $count   = count($parts) - 1;
            $subject = implode($replace, $parts);
        } //end if
        return $subject;
    }

    /**
     * Strip scheme (https) on oembed urls
     * Only embed allowed are for MP4 self hosted videos right now
     *
     * https is force by ckeditor MediaElements which natively supports
     * only cloud hosted medias (youtube, spotify etc..)
     *
     * @param string $input
     * @return string
     */
    public static function stripCkEditorSchemesOnMediaInputs(string $input): string
    {
        $input = \preg_replace('/(?<=<oembed url=")(https:\/\/)(?=.*?">)/m', '', $input);
        return $input;
    }

    /**
     * Assert That no Back Office url is present on txt
     *
     * @param string $field
     * @param string $text
     * @return string
     * @throws \Illuminate\Validation\ValidationException If url is a bo url.
     */
    public static function assertNoInternalBoUrls(string $field, string $text): string
    {
        $routes = Route::getRoutes();
        // * Url replace and email replace.
        $text = preg_replace_callback(
            // phpcs:ignore Generic.Files.LineLength.TooLong
            '/(?P<url>(?:http[s]?:\/\/.)?(?:www\.)?[-a-zA-Z0-9@%._\+~#=]{2,256}\.[a-z]{2,6}\b(?:[-a-zA-Z0-9@:%_\+.~#?&\/\/=]*))/',
            function ($matches) use ($routes, $field) {
                $match = collect($matches)->first() ?? '';
                $url   = $match;
                try {
                    $request = Request::create($url);
                    // If a route is match then it do not throws exception.
                    if (
                        \parse_url(config('app.url'), \PHP_URL_HOST) === \parse_url($url, \PHP_URL_HOST) &&
                        trim($routes->match($request)->getPrefix() ?? '', '/') === 'bo'
                    ) {
                        // Removes the matched url.
                        throw ValidationException::withMessages([
                            $field => trans(
                                'crud.libs.toolbox.assertNoInternalBoUrls',
                                ['attribute' => $field]
                            )
                        ]);
                    }
                    return $match;
                } catch (NotFoundHttpException) {
                    return $match;
                }
            },
            $text
        );
        return $text;
    }

    /**
     * Validate recaptcha.
     *
     * @param \Illuminate\Http\Request $request
     * @param boolean                  $isV3
     * @return void
     */
    public static function validateRecaptcha(Request $request, bool $isV3 = true): void
    {
        Validator::validate($request->all(), [
            'g-recaptcha-response' => [
                'required',
                'string',
                // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed, Generic.CodeAnalysis.UnusedFunctionParameter.FoundBeforeLastUsed
                function ($attribute, $value, $fail) use ($isV3): void {
                    try {
                        $response = Http::asForm()->post('https://www.google.com/recaptcha/api/siteverify', [
                            'secret'   => config('services.google.recaptcha.private'),
                            'response' => \strval($value),
                            'remoteip' => resolve('clientIp')
                        ]);
                        throw_if($e = $response->toException(), $e);
                        if ($isV3) {
                            throw_if(!$response->json('success') or
                            !$response->json('challenge_ts') or
                            \Illuminate\Support\Facades\Date::parse($response->json('challenge_ts'))->lessThan(\now('utc')->subMinutes(5)) or
                            $response->json('hostname') !== \parse_url(config('app.url'), \PHP_URL_HOST) or
                            !$response->json('score'), \RuntimeException::class);
                            if (\floatval($response->json('score')) < 0.8) {
                                $fail(trans('recaptcha.not_enough_score'));
                            }
                            return;
                        }
                        throw_if(!$response->json('success') or
                        !$response->json('challenge_ts') or
                        \Illuminate\Support\Facades\Date::parse($response->json('challenge_ts'))->lessThan(\now('utc')->subMinutes(5)) or
                        $response->json('hostname') !== \parse_url(config('app.url'), \PHP_URL_HOST), \RuntimeException::class);
                    } catch (\Exception) {
                        $fail(trans('recaptcha.error'));
                    } //end try
                }
            ]
        ], [], ['g-recaptcha-response' => 'reCaptcha']);
    }
}