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<?php namespace ProcessWire;

/**
 * Textformatter PrivacyWire
 * This module adds the textformatter for PrivacyWire
 *
 *
 * @author blaueQuelle
 *
 * ProcessWire 3.x
 * Copyright (C) 2011 by Ryan Cramer
 * Licensed under GNU/GPL v2, see LICENSE.TXT
 *
 * http://www.processwire.com
 * http://www.ryancramer.com
 *
 */
class TextformatterPrivacyWire extends Textformatter implements Module
{

    public static function getModuleInfo()
    {
        return [
            'title' => 'PrivacyWire Textformatter',
            'summary' => "PrivacyWire Textformatter to render privacy options via shortcode [[privacywire-choose-cookies]]",
            'author' => 'blaueQuelle',
            'href' => "https://github.com/blaueQuelle/privacywire",
            'version' => 9,
            'requires' => [
                "PHP>=7.2",
                "ProcessWire>=3.0.110"
            ],
        ];
    }

  /**
   * Formats the given $str reference.
   * Page and Field context are currently not necessary for the formatter to work. 
   * The formatter can be called via format(&$str) or formatValue(Page $page, Field $field, &$value)
   * formatValue(Page $page, Field $field, &$value) internally calls format(&$str), so the former does not need to be overwritten.
   * @param mixed $str
   * @return void
   */
    public function format(&$str)
    {
        // Replace privacywire-choose-cookies with button element
        $tag_search = $this->open_tag . "privacywire-choose-cookies" . $this->close_tag;
        if (strpos($str, $tag_search) !== false) {
            $privacyWire = $this->modules->get("PrivacyWire");

            // Multi Language Support
            $lang = ($this->wire('languages') && !$this->wire('user')->language->isDefault()) ? '__' . $this->wire('user')->language->id : '';

            $tag_replace = "<button class='button privacywire-show-options'>{$privacyWire->get("textformatter_choose_label$lang|textformatter_choose_label")}</button>";
            $str = str_replace($tag_search, $tag_replace, $str);
        }

        // Optional: enable PrivacyWire support for embedded media
        if ($this->video_category && (strpos($str, 'www.youtube.com/embed/') !== false || strpos($str, 'www.youtube-nocookie.com/embed/') !== false || strpos($str, 'player.vimeo.com') !== false)) {
            if (preg_match_all('/\<iframe.*?src=("|\')(?:https?:)\/\/(?:www\.youtube-nocookie|youtube|player\.vimeo)\..*?\1.*?\<\/iframe\>/is', $str, $matches)) {
                foreach ($matches[0] as $match) {
                    $new_match = str_replace(' src=', ' data-category="' . $this->video_category . '" data-ask-consent=1 data-src=', $match);
                    $str = str_replace($match, $new_match, $str);
                }
            }
        }
    }
}