<?php
/**
 * @package	HikaShop for Joomla!
 * @version	4.0.1
 * @author	hikashop.com
 * @copyright	(C) 2010-2018 HIKARI SOFTWARE. All rights reserved.
 * @license	GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */
defined('_JEXEC') or die('Restricted access');
?><?php
class hikashopCharacteristicType {
	var $characteristics = false;
	var $options = '';

	public function load() {
		$ids = array_keys($this->characteristics);
		$list = '[\''.implode('\',\'',$ids).'\']';
		$js = '
function hikashopUpdateVariant(obj) {
	var options = '.$list.';
	var len = options.length, selection = \'\', found = false, el = null;
	if(typeof(obj) == "string")
		obj = document.getElementById(obj);
	if(!obj)
		return true;
	try { obj.blur(); } catch(e){}
	for (var i = 0; i < len; i++) {
		el = document.getElementById(\'hikashop_product_characteristic_\'+options[i]);
		if(el) {
			selection += \'_\' + el.value;
			continue;
		}
		var form = document[\'hikashop_product_form\'];
		if(!form) {
			continue;
		}
		var checkFields = form.elements[\'hikashop_product_characteristic[\'+options[i]+\']\'];
		if(checkFields && !checkFields.length && checkFields.value) {
			selection += \'_\' + checkFields.value;
			continue;
		}
		var len2 = (checkFields ? checkFields.length : 0);
		for (var j = 0; j < len2; j++) {
			if(checkFields && checkFields[j] && checkFields[j].checked) {
				selection += \'_\' + checkFields[j].value;
				found = true;
			}
		}
		if(!found) {
			return true;
		}
	}

	hikashopUpdateVariantData(selection);
	if(window.Oby && window.Oby.fireAjax) window.Oby.fireAjax("hkAfterUpdateVariant", {obj:obj,selection:selection});
	return true;
}

function hikashopUpdateVariantData(selection) {
	if(!selection)
		return true;
	var names = [\'id\',\'name\',\'code\',\'image\',\'price\',\'quantity\',\'description\',\'weight\',\'url\',\'width\',\'length\',\'height\',\'contact\',\'custom_info\',\'files\'];
	var len = names.length;
	for(var i = 0; i < len; i++){
		var el = document.getElementById(\'hikashop_product_\'+names[i]+\'_main\');
		var el2 = document.getElementById(\'hikashop_product_\'+names[i]+selection);
		if(el && el2)
			el.innerHTML = el2.innerHTML.replace(/_VARIANT_NAME/g, selection);
	}
	if(window.hikaProductOptions) hikaProductOptions.refreshPrice();
	else if(typeof this.window[\'hikashopRefreshOptionPrice\'] == \'function\') hikashopRefreshOptionPrice();
	if(window.Oby && window.Oby.fireAjax) window.Oby.fireAjax("hkContentChanged", {selection:selection});
	return true;
}
';
		$doc = JFactory::getDocument();
		$doc->addScriptDeclaration($js);
	}

	public function displayFE(&$element,$params){
		if(empty($element->main->characteristics))
			return '';

		$app = JFactory::getApplication();
		$doc = JFactory::getDocument();

		$this->characteristics=&$element->main->characteristics;
		foreach($this->characteristics as $k => $characteristic) {
			if(empty($this->characteristics[$k]->characteristic_display_method)) {
				$this->characteristics[$k]->characteristic_display_method = $params->get('characteristic_display');
			}
		}

		$html = '';
		$chromePath = JPATH_THEMES . DS . $app->getTemplate() . DS . 'html' . DS . 'hikashop_characteristics.php';
		if(file_exists($chromePath)) {
			require_once ($chromePath);
			if(function_exists('hikashop_characteristics_html')) {
				$html = hikashop_characteristics_html($element, $params, $this);
			}
		}

		$extra_html = '
<noscript>
	<input type="submit" class="btn button" name="characteristic" value="'.JText::_('REFRESH_INFORMATION').'"/>
</noscript>';

		if(!empty($html))
			return $html . $extra_html;

		$this->load();

		switch($params->get('characteristic_display')){
			case 'table':
				if(count($this->characteristics) == 2) {
					$html = '';
					$firstCharacteristic = reset($this->characteristics);
					$secondCharacteristic = end($this->characteristics);

					$html.= '<table class="hikashop_product_characteristic_chooser"><tr><td></td>';
					if(!empty($secondCharacteristic->values)){
						foreach($secondCharacteristic->values as $value){
							$html.='<td>'.$value->characteristic_value.'</td>';
						}
					}
					$html.='</tr>';
					$this->options=' onclick="return hikashopUpdateVariantData(this.value);"';
					$size=0;
					if(!empty($firstCharacteristic->values)){
						foreach($firstCharacteristic->values as $value){
							$html .= '<tr><td style="text-align:right">'.$value->characteristic_value.'</td>';
							if(strlen($value->characteristic_value)>$size)
								$size=strlen($value->characteristic_value);
							if(!empty($secondCharacteristic->values)) {
								foreach($secondCharacteristic->values as $value2) {
									$class = '';
									$classspan = '';
									$extra = '';
									foreach($element->variants as $k => $variant) {
										$char1 = false;
										$char2 = false;
										foreach($variant->characteristics as $variantCharacteristic) {
											if($variantCharacteristic->characteristic_id == $value->characteristic_id) {
												$char1 = true;
											} elseif($variantCharacteristic->characteristic_id == $value2->characteristic_id) {
												$char2 = true;
											}
											if($char1 && $char2) {
												if(!$variant->product_published || $variant->product_quantity == 0) {
													$class = ' hikashop_product_variant_out_of_stock';
													$classspan=' hikashop_product_variant_out_of_stock_span';
												}else {
													$extra = ' data-stock="'.(int)$variant->product_quantity.'"';
												}
												break 2;
											}
										}
									}

									$name = '_'.$value->characteristic_id.'_'.$value2->characteristic_id;
									$radio = "\n\t<span class=\"hikashop_product_characteristic_span".$classspan."\"><input type=\"radio\" class=\"hikashop_product_characteristic".$class."\" name=\"hikashop_product_characteristic\"".$extra." id=\"hikashop_product_characteristic".$name."\" value=\"".$name."\" ".$this->options;
									if($this->characteristics[$value->characteristic_parent_id]->default->characteristic_id == $value->characteristic_id && !empty($this->characteristics[$value2->characteristic_parent_id]->default->characteristic_id) && $this->characteristics[$value2->characteristic_parent_id]->default->characteristic_id == $value2->characteristic_id) {
										$radio .= ' checked';
									}
									$radio .= " /></span>";
									$html .= '<td>'.$radio.'</td>';
								}
							}
							$html .= '</tr>';
						}
					}
					$html .= '</table>';
					if($params->get('characteristic_display_text')) {
						$space = '';
						for($i = 0; $i <= $size; $i++) {
							$space .= '&nbsp;&nbsp;';
						}
						$html = '<table class="hikashop_product_characteristic_chooser"><tr><td></td><td class="hikashop_charactersitic_name">'.$space.@$secondCharacteristic->characteristic_value.'</td></tr><tr><td class="hikashop_charactersitic_name">'.$firstCharacteristic->characteristic_value.'</td><td>'.$html.'</td></table>';
					}
					break;
				}

			default:
			case 'radio':
			case 'dropdown':
				$main_html = '<table class="hikashop_product_characteristics_table">';
				$config =& hikashop_config();
				foreach($this->characteristics as $characteristic) {
					$main_html.='<tr class="hikashop_characteristic_line_'.$characteristic->characteristic_id.'">';
					$values = array();
					$switch_done = false;
					if(!empty($characteristic->values)) {
						foreach($characteristic->values as $k => $value){
							if(!$config->get('show_out_of_stock',1)){
								$hasQuantity = false;
								foreach($element->variants as $variant){
									foreach($variant->characteristics as $variantCharacteristic){
										if($variantCharacteristic->characteristic_id==$value->characteristic_id){
											if($variant->product_quantity != 0){
												$hasQuantity = true;
											}elseif( $element->product_id==$variant->product_id && !$switch_done){
												if($characteristic->characteristic_display_method == 'dropdown'){
													$id = 'hikashop_product_characteristic_'.$characteristic->characteristic_id;
													$js = "hikashopUpdateVariant(document.getElementById('".$id."'));";
												}else{
													$id = 'hikashop_product_characteristic['.$characteristic->characteristic_id.']';
													$js = "var el = document.querySelector('[name=\"".$id."\"]'); if(el) el.checked = true; hikashopUpdateVariant(el);";
												}

												$js = "
												window.hikashop.ready( function() {".$js."});";
												$doc->addScriptDeclaration("\n<!--\n".$js."\n//-->\n");
												$switch_done = true;
											}
										}
									}
								}
								if(!$hasQuantity)
									continue;
							}
							$values[$k] = $value->characteristic_value;
						}
					}


					$html = $this->display(@$characteristic->characteristic_id, @$characteristic->default->characteristic_id, $values, $characteristic->characteristic_display_method);
					if($params->get('characteristic_display_text') && isset($characteristic->characteristic_value)) {
						$html = $characteristic->characteristic_value.'</td><td>'.$html;
					}
					$main_html .= '<td>'.$html.'</td></tr>';
				}
				$main_html .= '</table>';
				$html = $main_html;
				break;
		}

		return $html . $extra_html;
	}

	public function display($map, $value, $values, $characteristic_display = 'dropdown') {
		if(empty($values) || !is_array($values)){
			return JText::_('NO_VALUES_FOUND');
		}
		if(is_array($this->characteristics)){
			$characteristic_id = $map;
			$map = 'hikashop_product_characteristic['.$characteristic_id.']';
			$id = 'hikashop_product_characteristic_'.$characteristic_id;
		}else{
			$id = $characteristic_id = $map;
		}

		$this->values = array();
		foreach($values as $key => $val){
			if(strlen($val)!=0 && empty($val)){
				$val = $val.'&nbsp;';
			}

			if(strpos($val, '<img ') !== false)
				$val = str_replace('<img ', '<img onclick="return hikashopUpdateVariant(\'hikashop_product_characteristic_'.$characteristic_id.$key.'\');" ', $val);
			$clean = strip_tags($val);
			$this->values[] = JHTML::_('select.option', $key, ($characteristic_display != 'radio' && !empty($clean) ? $clean : $val) );
		}

		$type = 'onclick';
		if($characteristic_display!='radio'){
			$characteristic_display='generic';
			$type = 'onchange';
		}

		$options = ' '.$type.'="return hikashopUpdateVariant(this);"';

		$html = JHTML::_('select.'.$characteristic_display.'list', $this->values, $map, 'class="custom-select" size="1"' . $options, 'value', 'text', (int)$value,$id );
		return $html;
	}
}
