<?php

/**
 * @package WP Encryption
 *
 * @author     Go Web Smarty
 * @copyright  Copyright (C) 2019-2023, Go Web Smarty
 * @link       https://gowebsmarty.com
 * @since      Class available since Release 2.0.0
 *
 */

include_once WPLE_DIR . 'classes/le-core.php';
/**
 * WPLEPRO_Core
 * 
 * @since 2.0
 */
class WPLEPRO_Core extends WPLE_Core
{

  public function __construct($crontab = false)
  {
    $opts = get_option('wple_opts');

    $wc = false;
    if (isset($opts['type']) && $opts['type'] == 'wildcard') {
      $wc = true;
    }

    parent::__construct(array(), false, $wc, true);

    if (!$crontab) {
      add_action('cert_expiry_updated', array($this, 'wple_schedule_renewal_cron'));

      add_action('wple_ssl_renewal', array($this, 'wple_start_ssl_renewal'));
      ///add_action('wple_ssl_renewal_recheck', array($this, 'wple_confirm_ssl_renewal'));
      //add_action('wple_ssl_renewal_failed', array($this, 'wple_ssl_renewal_failed'));
    }
  }

  public function wple_schedule_renewal_cron()
  {
    $opts = get_option('wple_opts');

    if ($opts['expiry'] != '') {

      parent::wple_log('Re-scheduling crons');

      WPLE_Trait::clear_all_renewal_crons(true);

      //since 5.7.16
      $app_cron_path = __DIR__ . "/le-cron.php";
      $cron_success = false;
      if (function_exists('shell_exec')) {

        $output = shell_exec('crontab -l');
        ///parent::wple_log($output);

        $wp_root = trailingslashit(ABSPATH);
        $cron_file = $wp_root . 'crontab.txt';
        $add_new_cron_base = "0 5 * * * /usr/local/bin/php -q $app_cron_path"; //set to 5AM
        $add_new_cron = $add_new_cron_base . ' >/dev/null 2>&1';

        //remove existing cron since 6.2
        $output = str_ireplace('0 0 * * * php -q ' . $app_cron_path . ' >/dev/null 2>&1', '', $output);
        $output = str_ireplace('0 0 * * * /usr/local/bin/php -q ' . $app_cron_path . ' >/dev/null 2>&1', '', $output);

        //check if the cron job was already added
        if (false === strpos($output, $app_cron_path)) {
          $add_cron = trim($output . $add_new_cron);
          if (file_put_contents($cron_file, $add_cron . PHP_EOL)) {
            $output = [];

            //$return_var = 1 means error. $return_var = null means success.
            $return_var = shell_exec("crontab $cron_file");

            if (1 === $return_var) {
              parent::wple_log("\n\n--------------CRONTAB UPDATE FAILED----------------\n", 'success', 'a', false);
            } elseif (null === $return_var) {
              unlink($cron_file);
              $cron_success = true;
              parent::wple_log("\n\n--------------CRONTAB UPDATED----------------\n", 'success', 'a', false);
            }
          } else {
            parent::wple_log("\n\n--------------CRONTAB FILE WRITE FAILED----------------\n", 'success', 'a', false);
          }
        } else {
          $cron_success = true;
          parent::wple_log("\n\n--------------CRONTAB ALREADY ACTIVE----------------\n", 'success', 'a', false);
        }
      }

      if ($cron_success) {
        update_option('wple_renewal_type', 'cp');
      } else {
        update_option('wple_renewal_type', 'wp');
      }

      if (!$cron_success && !wp_next_scheduled('wple_ssl_renewal')) { //crontab failed so we will use wp cron
        wp_schedule_event(strtotime('05:00:00'), 'daily', 'wple_ssl_renewal');
      }
    }
  }

  public function wple_start_ssl_renewal($waited_propagation = '', $started_via_crontab = false)
  {
    if (wple_fs()->can_use_premium_code__premium_only()) {

      if ($waited_propagation != 'propagating') {

        if (get_transient('wple_ssl_installing')) { //cron already started          
          return true;
        }

        if (get_option('wple_sectigo') || wple_fs()->is_plan('firewall', true)) { //no renewal when using sectigo solution or cdn plan
          return true;
        }

        $opts = get_option('wple_opts');

        if ($opts['expiry'] == '') {
          return true;
        }

        $expiringIn30days = strtotime('-30 day', strtotime($opts['expiry']));

        if ($waited_propagation == '' && strtotime('now') < $expiringIn30days) { //more than 30 days left to expiry
          return true;
        }

        if (get_option('wple_hold_cron')) { //some manual action required
          return true;
        }

        if ($started_via_crontab) {
          parent::wple_log("\n\n--------------CERT RENEWAL INITIATED BY CRONTAB----------------\n");
        }

        //lock the status
        set_transient('wple_ssl_installing', 1, 600); //10 mins
      }

      if (function_exists('ignore_user_abort')) {
        ignore_user_abort(true);
      }

      $det = date('d-m-Y');
      $resuming = false;
      if ($waited_propagation == 'propagating') {
        $resuming = true;
        parent::wple_log("\n\n--------------WAITED FOR DNS PROPAGATION AND CONTINUING [$det]----------------\n", 'success', 'a', false);
      } else {
        parent::wple_log("\n\n--------------STARTED CERT RENEWAL [$det]----------------\n", 'success', 'a', false);
        delete_option('wple_dns_new');

        if (defined('WPLE_PLUGIN_VER')) parent::wple_log("\nPRO VERSION: " . WPLE_PLUGIN_VER . "\n", "success", "a", false);
        parent::wple_log("Domains covered: " . json_encode($this->domains) . "\n");
      }

      ///delete_option('wple_sourceip_enable');

      parent::wple_create_client();
      parent::wple_generate_order();

      parent::wple_verify_pro_order__premium_only($resuming);

      try { //since 5.9.2

        parent::wple_generate_certs();
        parent::wple_install_certs__premium_only(true);
      } catch (Exception $e) {

        parent::wple_log($e->getMessage());
        parent::wple_send_usage_data();
      }

      parent::wple_send_usage_data();
      //parent::wple_save_expiry_date();

    }
  }

  // public function wple_confirm_ssl_renewal()
  // {
  //   if (get_option('wple_renewal_failed') || get_option('wple_renewal_inprogress')) {

  //     delete_option('wple_renewal_failed');

  //     $det = date('d-m-Y');
  //     parent::wple_log("\n\n--------------RE-TRYING FAILED CERT RENEWAL [$det]----------------\n", 'success', 'a', false);

  //     $this->wple_start_ssl_renewal(); //lets try one more time
  //   }
  // }

  // public function wple_ssl_renewal_failed()
  // {
  //   if (FALSE !== get_option('wple_renewal_inprogress')) { //renewal failed probably due to domain verification or other issue before installation step
  //     delete_option('wple_renewal_inprogress');
  //     update_option('wple_renewal_failed_notice', 1);
  //   }
  // }

  public function log($msg = '')
  {
    parent::wple_log($msg, 'success', 'a', false);
  }
}