<?php

namespace App\Console\Commands;

use App\Utilities\Notice;
use Log;
use SimpleXMLElement;

class Xml
{
    public static $file;

    public static function load($url)
    {
        $debug = Nuh::$options['d'] ?? 0;
        $save = Nuh::$options['s'] ?? 0;
        $read = Nuh::$options['r'] ?? 0;

        $filename = app_path().'/Console/Commands/TestFiles/'.strtolower(str_replace(' ', '_', Nuh::$options['name'])).'.xml';

        if ($debug) {
            Notice::note("Loading URL\n".$url);
        }

        if ($save || $read) {
            Notice::note("FILE NAME\n".$filename);
        }

        if ($read) {
            if ($debug) {
                Notice::note('READ LOCAL', 'r');
            }

            // return simplexml_load_file(self::$file, null, LIBXML_NOCDATA);
            if (! file_exists($filename)) {
                Notice::note("Error: File $filename does not exist.", 'r', 1);
            } elseif (! is_readable($filename)) {
                Notice::note("Error: File $filename  is not readable.", 'r', 1);
            } else {
                $data = simplexml_load_file($filename, 'SimpleXMLElement', LIBXML_NOCDATA);
                if ($data === false) {
                    Notice::note("Error: Failed to load XML from $filename", 'r', 1);
                    foreach (libxml_get_errors() as $error) {
                        Notice::note("XML Error: {$error->message}\n", 'r');
                    }
                } else {
                    // Process the XML object
                    return $data;
                }
            }
        }

        $data = self::fetch_data_with_retries($url);

        if ($data === false && $debug) {
            Notice::note("Error: Failed to load XML from $url", 'r', 1);
            foreach (libxml_get_errors() as $error) {
                Notice::note("XML Error: {$error->message}\n", 'r');
            }
        }

        if ($save) {
            if (! file_exists($filename)) {
                Notice::note("Error: File $filename does not exist.", 'r', 1);
            } elseif (! is_readable($filename)) {
                Notice::note("Error: File $filename  is not readable.", 'r', 1);
            } elseif (! is_writable($filename)) {
                Notice::note("Error: File $filename  is not writable.", 'r', 1);
            } else {
                $data->asXml($filename);

                Notice::note('SAVED AND EXIT', 'b', 1);
            }
        }

        return $data;
    }

    public static function fetch_data_with_retries($url, $max_retries = 3)
    {
        $attempt = 0;
        $timeout = 10;  // seconds
        $connect_timeout = 5;  // seconds

        while ($attempt < $max_retries) {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); // Total timeout
            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $connect_timeout); // Connection timeout
            $response = curl_exec($ch);

            if ($response === false) {
                $attempt++;
                echo "Attempt $attempt failed. Retrying...\n";
                sleep(2); // Optional: Sleep between retries
            } else {
                curl_close($ch);
                if (mb_substr($response, 0, 1) != '<') {
                    Log::debug('INVALID XML '.$url.'----'.$response);
                } else {
                    return new SimpleXMLElement($response);
                }
            }
        }
        echo "All attempts failed.\n";
        curl_close($ch);

        return null; // Return null if all retries fail
    }
}