/home/arranoyd/eventrify/wp-content/plugins/facebook-messenger-customer-chat/options.php
<?php
/*
* Copyright (C) 2017-present, Facebook, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.

* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*/

// Settings page
add_action( 'admin_menu', function() {
  wp_register_script(
    'launch_script',
    plugins_url( '/script.js?2', __FILE__ ),
    array( 'jquery' )
  );
  wp_enqueue_script( 'launch_script' );

  add_menu_page(
    'Plugin settings',
    'Customer Chat',
    'manage_options',
    'messenger-customer-chat-plugin',
    'fbmcc_integration_settings',
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  );
});

add_action( 'admin_enqueue_scripts', 'fbmcc_add_styles' );
add_action( 'admin_enqueue_scripts', 'fmcc_localize_ajax' );

add_action( 'wp_ajax_update_options', 'fbmcc_update_options');

function fbmcc_update_options() {
  check_ajax_referer( 'update_fmcc_code' );
  update_option( 'fbmcc_pageID', sanitize_text_field($_POST['pageID']));
  update_option( 'fbmcc_locale', sanitize_text_field($_POST['locale']));
  wp_die();
}

function fbmcc_add_styles() {
  wp_enqueue_style(
    'admin-styles',
    plugins_url( '/settings.css', __FILE__ ),
    false,
    '1.0',
    'all'
  );
}

function fmcc_localize_ajax() {
  $ajax_object = array(
    'nonce' => wp_create_nonce( 'update_fmcc_code' )
  );

  wp_register_script( 'code_script', plugin_dir_url( __FILE__ ) . 'script.js' );
  wp_localize_script( 'code_script', 'ajax_object', $ajax_object );
  wp_enqueue_script( 'code_script' );
}

function fbmcc_integration_settings() {
  ?>
  <div class="wrap">
      <h2>Messenger Customer Chat Settings</h2>
      <div class="fbmcc-card card">
        <div class="intro">
          <div>
            <h2>Getting Started?</h2>
            <p class="fbmcc-instructions">Let people start a conversation on your
              website and continue in Messenger. It's easy to set up. We'll
              give you the code to add to your website. 
            </p>
          </div>
          <div class="fbmcc-buttonContainer">
            <button
              class="fbmcc-setupButton"
              type="button"
              onclick="fbmcc_setupCustomerChat()"
            >
              <?php
                if( get_option( 'fbmcc_pageID' ) == "" ) {
                  _e( 'Setup Chat Plugin' );
                } else {
                  _e( 'Edit Chat Plugin' );
                }
              ?>
            </button>
          </div>
        </div>
      </div>
      <div
        id="fbmcc-page-params"
        class="fbmcc-card card"
        <?php if( get_option( 'fbmcc_pageID' ) == "" ) {
          _e( 'style="display:none;"' );
        } ?>>
        <div>
          <p class="fbmcc-instructions">The plugin code has already been added into your
            website. You can always go back through the setup process to customize the plugin.
          </p>
        </div>
      </div>
    <div class="fbmcc-card card">
      <div class="intro">
        <p class="fbmcc-instructions"> 
          Use of this plugin is subject to <a href='https://developers.facebook.com/policy/'>Facebook's Platform Policies</a><br><br>
          Having a problem with the Chat Plugin?
          Report the issue on the <a
            href='https://developers.facebook.com/support/bugs/'
            target='_blank'>
            Facebook Platform Bug Reports</a> page. If you get stuck or have questions,
            you can ask for help in the
            <a
            href='https://wordpress.org/support/plugin/facebook-messenger-customer-chat'
            target='_blank'>
            Facebook Chat Plugin forum</a>.
        </p>
      </div>
    </div>
  </div>
<?php }
?>
Path: home/arranoyd/eventrify/wp-content/plugins/facebook-messenger-customer-chat