<?php

require_once _PS_MODULE_DIR_.'cmsps/classes/CmsPsPost.php';
require_once _PS_MODULE_DIR_.'cmsps/classes/CmsPsCategory.php';

class CategoryCmsControllerCore extends FrontController
{
	public $php_self = 'categorycms';
	public $categorycms;

	public $page;
	public $order_by;

	const PER_PAGE = 12;

	public function canonicalRedirection($canonical_url = '') {
		parent::canonicalRedirection($this->context->link->getCategoryCmsLink($this->categorycms->id));
	}

	public function init() {
		$id_category_cms = Tools::getValue('id_category_cms', 0);		
		$this->categorycms = new CmsPsCategory($id_category_cms, $this->context->language->id);
		
		if (!Validate::isLoadedObject($this->categorycms)
			|| !$this->categorycms->active) {
			header('HTTP/1.1 404 Not Found');
			header('Status: 404 Not Found');
		}
		parent::init();
	}

	public function initContent() {
		parent::initContent();
		$id_lang = Context::getContext()->language->id;

		$tipsDay = CmsPsCategory::getTipsofDay($this->categorycms->id, $id_lang);
		
		$this->page = Tools::getValue('page', 1);

		// Filter et orderBy
		$filter_by = Tools::getValue('filter_by', '');
		$this->order_by = Tools::getValue('order_by');

		// url pagination
		$url_pagination = strtok($_SERVER['REQUEST_URI'], '?');
		$elem_url = array();
		if (!empty($this->order_by)) {
			$elem_url['order_by'] = $this->order_by;
		}
		if (!empty($filter_by)) {
			$elem_url['filter_by'] = $filter_by;
		}
		if (!empty($elem_url)) {
			$filter_url = http_build_query($elem_url);
		} else {
			$filter_url = '';
		}

		if ($this->order_by) {
			$total = $this->categorycms->getArticles($id_lang, 9999999, 1, TRUE, $this->order_by, $filter_by);			
			$articles = $this->categorycms->getArticles($id_lang, self::PER_PAGE, $this->page, FALSE, $this->order_by, $filter_by);
		} else {
			$total = $this->categorycms->getArticles($id_lang, 9999999, 1, TRUE, 'date_add', $filter_by);			
			$articles = $this->categorycms->getArticles($id_lang, self::PER_PAGE, $this->page, FALSE, 'date_add', $filter_by);			
		}
		
		$nb_page = ceil($total / self::PER_PAGE);
		if($this->page > $nb_page) {
			$this->page = $nb_page;
		}

		$rootCategory = CmsPsCategory::getRootCategory($this->categorycms->id);

		$bestsTips = $rootCategory->getArticles($id_lang, 4, 1, FALSE, 'note');		
		// get all and exclude bestTips
		$all_articles = $rootCategory->getArticles($id_lang, 999999, 1, FALSE, 'note');		
		$all_articles = array_slice($all_articles, 4, sizeof($all_articles));
		
		$child_categories = $this->categorycms->getChildren($id_lang);

		$this->context->smarty->assign(array(
			'path'				=> Tools::getPath($this->categorycms->id, '', FALSE, 'categoriescms'),
			'linkcategory' 		=> $this->context->link->getCategoryCmsLink($this->categorycms->id),
			'categorycms' 		=> $this->categorycms,
			'articles' 			=> $articles,
			'bestsTips' 		=> $bestsTips,
			'url_pagination'	=> $url_pagination,
			'elem_url'			=> $elem_url,
			'filter_url'		=> $filter_url,
			'total' 			=> $total,
			'limit' 			=> count($articles),
			'nb_page' 			=> $nb_page,
			'p' 				=> $this->page,
			'tipsDay' 			=> $tipsDay,
			'all_articles' 		=> $all_articles,
			'child_categories' 	=> $child_categories,
		));

		$this->setTemplate(_PS_THEME_DIR_.'categorycms.tpl');
	}

	public function removeqsvar($url, $varname) {
    	return preg_replace('/([?&])'.$varname.'=[^&]+(&|$)/','$1',$url);
	}
}