<?php
/**
 * @package DJ-Catalog2
 * @copyright Copyright (C) DJ-Extensions.com, All rights reserved.
 * @license http://www.gnu.org/licenses GNU/GPL
 * @author url: http://dj-extensions.com
 * @author email contact@dj-extensions.com
 *
 */

defined('_JEXEC') or die('Restricted access');
use Joomla\CMS\Factory;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Filesystem\File;
class DJCatalog2HtmlHelper {

	public static $field_labels = array();

	public static $order_status_cache = array();

	public static function trimText($text, $length = 0) {
		$nohtml = strip_tags($text);
		if ($length > 0) {
			if(strlen($nohtml) > $length)
				return self::_substr($nohtml,$length);
		}
		return $nohtml;
	}

	private static function _substr($str, $length, $minword = 3)
	{
		$sub = '';
		$len = 0;

		foreach (explode(' ', $str) as $word)
		{
			$part = (($sub != '') ? ' ' : '') . $word;
			$temp = $sub . $part;

			if (strlen($temp) >= $length)
			{
				break;
			}

			$sub .= $part;
			$len += strlen($part);

			if (strlen($word) > $minword && strlen($sub) >= $length)
			{
				break;
			}
		}
		return $sub . (($len < strlen($str) && $sub != '') ? '...' : '');
	}

	public static function formatPrice($price, &$params) {
		$price_decimal_separator = null;
		$price_thousands_separator = null;

		switch($params->get('thousand_separator',0)) {
			case 0: $price_thousands_separator=''; break;
			case 1: $price_thousands_separator=' '; break;
			case 2: $price_thousands_separator='\''; break;
			case 3: $price_thousands_separator=','; break;
			case 4: $price_thousands_separator='.'; break;
			default: $price_thousands_separator=''; break;
		}

		switch($params->get('decimal_separator',0)) {
			case 0: $price_decimal_separator=','; break;
			case 1: $price_decimal_separator='.'; break;
			default: $price_decimal_separator=','; break;
		}

		$prefix = '';
		if ($price < 0.0000) {
			$prefix = '-';
			$price = abs($price);
		}

		$unit = $params->get('price_unit_fixed', $params->get('price_unit'));

		if (!$params->get('price_unit_fixed')) {
			$user_currency_id = Factory::getApplication()->getUserState('com_djcatalog2.checkout.currency');
			if ($user_currency_id > 0) {
				$user_currency = Djcatalog2HelperPrice::getCurrencyById($user_currency_id);
				if ($user_currency) {
					$unit = $user_currency->symbol;
				}/* else {
				$unit = 'N/A';
				}*/
			}
		}

		$priceHtml = '<span class="djc_price_value">'.($params->get('unit_side') == '1' ? $prefix : '').number_format($price, $params->get('decimals',2), $price_decimal_separator, $price_thousands_separator).'</span>';
		$unitHtml = '<span class="djc_price_unit">'.($params->get('unit_side') == '1' ? '' : $prefix).$unit.'</span>';

		return $params->get('unit_side') == '1' ? $priceHtml.' '.$unitHtml : $unitHtml.$priceHtml;
	}

	public static function orderDirImage ($order_current, $order='i.ordering', $dir='asc') {
		if ($dir == 'desc') $dir='asc';
		else $dir = 'desc';
		if ($order_current == $order) {
			return '<img class="djcat_order_dir" alt="'.$dir.'" src="'.DJCatalog2ThemeHelper::getThemeImage($dir.'.png').'" />';
		}
		else {
			return '';
		}
	}

	public static function getEmailTemplate($data, $templatename, &$attachments = null) {
		require_once JPATH_ROOT.'/components/com_djcatalog2/assets/emogrifier/Emogrifier.php';

		$params = ComponentHelper::getParams('com_djcatalog2');
		$theme = $params->get('theme','default');

		$css_file = JPATH_ROOT.'/components/com_djcatalog2/themes/default/css/emails.css';

		if ($theme && $theme != 'default' && File::exists(JPATH_ROOT.'/components/com_djcatalog2/themes/'.$theme.'/css/emails.css')) {
			$css_file = JPATH_ROOT.'/components/com_djcatalog2/themes/'.$theme.'/css/emails.css';
		}

		$html = self::getThemeLayout($data, $templatename, 'email', $attachments);
		$css = file_get_contents($css_file);

		$emogrifier = new \Pelago\Emogrifier();

		$emogrifier->setHtml($html);
		$emogrifier->setCss($css);

		$mergedHtml = $emogrifier->emogrify();

		return $mergedHtml;
	}

	public static function getThemeLayout($data, $templatename, $type, &$attachments = null) {
		$params = ComponentHelper::getParams('com_djcatalog2');
		$theme = $params->get('theme','default');

		$theme_location = $default_location = JPATH_ROOT.'/components/com_djcatalog2/themes/default/'.$type.'/'.$templatename.'.php';

		if ($theme && $theme != 'default') {
			$theme_location = JPATH_ROOT.'/components/com_djcatalog2/themes/'.$theme.'/'.$type.'/'.$templatename.'.php';
		}

		$template = File::exists($theme_location) ? $theme_location : $default_location;


		if (File::exists($template)) {
			ob_start();
			include($template);
			$out = ob_get_contents();
			ob_end_clean();
			return $out;
		}
		else {
			return false;
		}
	}

	public static function getCustomFieldValue($alias, &$item, $unset = null, $separator = ', ', $wrapper = null, $plugin = false) {
		$cfName = '_ef_'.$alias;
		$retVal = null;

		if (!empty($item->$cfName)) {
			$retVal = $item->$cfName;
			if (is_array($item->$cfName)) {
				if ($separator == 'li') {
					$list = '<ul>';
					foreach($retVal as $value) {
						$list .= '<li>'.$value.'</li>';
					}
					$list .= '</ul>';
					$retVal = $list;
				} else {
					$retVal = implode($separator, $retVal);
				}
			}

			if ($wrapper) {
				$wrap = '<'.$wrapper.' class="djc_cf_wrap djc_cf_wrap-'.$alias.'">';
				$wrap .= $retVal;
				$wrap .= '</'.$wrapper.'>';

				$retVal = $wrap;
			}

			if ($plugin) {
				$retVal = Joomla\CMS\HTML\HTMLHelper::_('content.prepare', $retVal, null, 'com_djcatalog2.custom_field');
			}

			if ($unset) {
				unset($item->$cfName);
			}
		}

		return $retVal;
	}

	public static function getCustomFieldLabel($alias, $type = null) {
		$alias = trim((string)$alias);

		if (!$alias) {
			return false;
		}
		if (!isset(self::$field_labels[$alias])) {
			$db = Factory::getDbo();
			$query = $db->getQuery(true)->select('*')->from('#__djc2_items_extra_fields')->where('published=1 AND alias LIKE '.$db->quote($db->escape($alias)));
			$db->setQuery($query);
			$field = $db->loadObject();

			self::$field_labels[$alias] = $field;
		}

		$retVal = null;

		if (self::$field_labels[$alias]) {
			$attribute = self::$field_labels[$alias];

			$retVal = '<span class="djc_attribute-label">'.htmlspecialchars($attribute->name).'</span>';

			if (!($type && $type !='text') && !empty($attribute->imagelabel)) {
				$imgLabel = '<img class="djc_attribute-imglabel" alt="'.htmlspecialchars($attribute->name).'" src="'.JURI::base().$attribute->imagelabel.'" />';

				if ($type == 'image') {
					$retVal = $imgLabel;
				} else {
					$retVal = $imgLabel . $retVal;
				}
			}
		}

		return $retVal;
	}

	public static function initCalendarScripts() {
		$lang      = Factory::getApplication()->getLanguage();
		$calendar  = $lang->getCalendar();
		$direction = strtolower(Factory::getDocument()->getDirection());

		$helperPath = 'system/fields/calendar-locales/date/gregorian/date-helper.min.js';

		if ($calendar && is_dir(JPATH_ROOT . '/media/system/js/fields/calendar-locales/date/' . strtolower((string)$calendar)))
		{
			$helperPath = 'system/fields/calendar-locales/date/' . strtolower((string)$calendar) . '/date-helper.min.js';
		}

		Factory::getDocument()->getWebAssetManager()
			->registerAndUseScript('field.calendar.helper', $helperPath, [], ['defer' => true])
			->useStyle('field.calendar' . ($direction === 'rtl' ? '-rtl' : ''))
			->useScript('field.calendar');
	}

	public static function getCalendarInput($id, $value, $class) {
		$out  = '
		<div class="field-calendar">
				<div class="input-append">
					<input '.$class.' size="40" id="attribute_'.$id.'"  type="text" name="attribute['.$id.']" value="'.htmlspecialchars($value).'" data-alt-value="'.htmlspecialchars($value).'"  autocomplete="off" />
					<button type="button" class="btn btn-primary btn-secondary" role="button"
						id="attribute_'.$id.'_btn"
						data-inputfield="attribute_'.$id.'"
						data-dayformat="%Y-%m-%d"
						data-date-format="%Y-%m-%d"
						data-button="attribute_'.$id.'_btn"
						data-firstday="0"
						data-weekend="0,6"
						data-today-btn="1"
						data-week-numbers="0"
						data-show-time="0"
						data-show-others="1"
						data-time-24="24"
						data-only-months-nav="0"
					><span class="icon-calendar"></span></button>
				</div>
			</div>
		</div>
		';

		return $out;
	}

	public static function setFullPaths(&$data)
	{
		$data = str_replace('xmlns=', 'ns=', $data);

		$doc = new DOMDocument();
		$doc->loadHTML($data);

		libxml_use_internal_errors(true);

		$allow_fopen = @ini_get('allow_url_fopen');
		$remote_urls = (empty($allow_fopen) || $allow_fopen == 'Off') ? false : true;

		try
		{
			//$ok = new SimpleXMLElement($sxml);
			$ok = simplexml_import_dom($doc);
			if ($ok)
			{
				$uri = Uri::getInstance();
				//$base = JURI::root(false);
				$base = $uri->getScheme() . '://' . $uri->getHost();

				$imgs = $ok->xpath('//img');
				foreach ($imgs as &$img) {
					if (!strstr($img['src'], $base)) {
						if ($remote_urls) {
							$img['src'] = $base . $img['src'];
						}
					} else if (!$remote_urls){
						$img['src'] = str_replace($base.'/', '', $img['src']);
					}

					if (strpos($img['src'], '/') == 0 && !$remote_urls) {
						$img['src'] = substr($img['src'], 1);
					}
					$img['src'] = str_replace(' ', '%20', $img['src']);
				}
				//links
				$as = $ok->xpath('//a');
				foreach ($as as &$a)
				{
					if (!strstr($a['href'], $base) && !strstr($a['href'], '://'))
					{
						$a['href'] = $base . $a['href'];
					}
				}

				// css files.
				$links = $ok->xpath('//link');
				foreach ($links as &$link)
				{
					if ($link['rel'] == 'stylesheet' && !strstr($link['href'], $base))
					{
						$link['href'] = $base . $link['href'];
					}
				}
				$data = $ok->asXML();
			}
		} catch (Exception $err)
		{
			$errors = libxml_get_errors();
			if (JDEBUG)
			{
				echo "<pre>";print_r($errors);echo "</pre>";
				exit;
			}
		}

	}

	public static function sortImagesAndVideos(&$medias, $method = 1) {
		$tmp = array();

		$ordering = array(
			1 => [['image', 'plural'], ['video', 'plural']],
			2 => [['video', 'plural'], ['image', 'plural']],
			3 => [['image', 'singular'], ['video', 'singular'], ['image', 'plural'], ['video', 'plural']],
			4 => [['video', 'singular'], ['image', 'singular'], ['video', 'plural'], ['image', 'plural']],
		);

		$orderingMethod = isset($ordering[$method]) ? $ordering[$method] : $ordering[1];

		$idxAdded = array();
		foreach($orderingMethod as $meth) {
			foreach($medias as $mIdx => $media) {
				if (in_array($mIdx, $idxAdded)) {
					continue;
				}
				if ($media->__type == $meth[0]){
					$tmp[] = $media;
					$idxAdded[] = $mIdx;
					if ($meth[1] == 'singular') {
						break;
					}
				}
			}
		}

		$medias = $tmp;
	}

	public static function getOrderStatusName($status) {
		$status = trim((string)$status);
		if ($status == '') {
			return '';
		}

		$row = static::getOrderStatus($status);

		if (empty($row)) {
			return '';
		}

		return $row->name;
	}

	public static function getOrderStatusInfo($status, $html = true) {
		$status = trim((string)$status);
		if ($status == '') {
			return '';
		}

		$row = static::getOrderStatus($status);

		if (empty($row)) {
			return '';
		}

		$text = (trim((string)$row->description));

		return ($html) ? $text : strip_tags($text);
	}

	public static function getOrderStatus($status) {
		if (!isset(static::$order_status_cache[$status])) {
			$db = Factory::getDbo();
			$query = $db->getQuery(true);
			$query->select('*');
			$query->from('#__djc2_order_statuses');
			$query->where('status_code = '.$db->quote($status));
			$db->setQuery($query);
			$row = $db->loadObject();
			static::$order_status_cache[$status] = $row;
		}

		return static::$order_status_cache[$status];
	}
}

?>