<?php

namespace App\Components;

use Illuminate\Pagination\LengthAwarePaginator;
use Illuminate\Support\Arr;

class SeoPaginator extends LengthAwarePaginator
{
    /**
     * Remove page parameter from the first page URL.
     * Removing URL from active page.
     *
     * @param [type] $page
     * @return void
     */
    public function url($page)
    {
        if ($page <= 0) {
            $page = 1;
        }

        if ($this->currentPage == $page) {
            return null;
        }

        // If we have any extra query string key / value pairs that need to be added
        // onto the URL, we will put them in query string form and then attach it
        // to the URL. This allows for extra information like sortings storage.
        $parameters = [$this->pageName => $page];

        if (count($this->query) > 0) {
            $parameters = array_merge($this->query, $parameters);
        }

        // Remove 'page' parameter if it's 1
        if ($page == 1 && isset($parameters['page'])) {
            unset($parameters['page']);
        } else {
            $parameters['page'] = $page;
        }

        $result =  $this->path()
            . (count($parameters) > 0
                ? (str_contains($this->path(), '?') ? '&' : '?')
                : '')
            . Arr::query($parameters)
            . $this->buildFragment();

        return trim($result, '?&');
    }
}

// In AppServiceProvider
$this->app->alias(SeoPaginator::class, LengthAwarePaginator::class);