<?php
class Privatesales_Family_Menu extends Module {

	public function __construct() {
		$this->name = 'privatesales_family_menu';
		$this->tab = 'pricing_promotion';
		$this->author = 'Antadis';
		$this->version = '1.0';
		parent::__construct();

		$this->displayName = $this->l('Menu famille vente privée');
		$this->description = $this->l('Affiche un menu des familles de vente privée');
	}

	public function install() {
		if(!Module::isInstalled('privatesales')) {
			return FALSE;
		}

		return parent::install() && $this->registerHook('topMenu');
	}

	public function hooktopMenu($params) {
		global $cookie, $smarty;

		$id_lang =  (int)$cookie->id_lang;

		$filename = _PS_ROOT_DIR_.'/modules/privatesales_family_menu/menu_'.$id_lang.'.txt';
		$expire = time() -3600;

		if(file_exists($filename) && filemtime($filename) > $expire) {
			$data  = file_get_contents($filename);
			$menus = json_decode($data, TRUE);
		} else {
			$file = fopen($filename, 'w+');
			$menus = $this->getTree($cookie->id_lang);
			fwrite($file, json_encode($menus));
			fclose($file);
		}

		$smarty->assign(array(
			'menus' => $menus
		));
		return $this->display(__FILE__, 'menu.tpl');
	}

	public function hookPrivateSales_update($params)
	{
		$id_langs = array(2,3);

        foreach ($id_langs as $key => $id_lang) {
            $filename = _PS_ROOT_DIR_.'/modules/privatesales_family_menu/menu_'.$id_lang.'.txt';

            if(file_exists($filename)) {
                unlink($filename);
            }
        }
	}

	public function hookPrivateSales_create($params)
	{
		$this->hookPrivateSales_update($params);
	}

	public function hookPrivateSales_delete($params)
	{
		$this->hookPrivateSales_update($params);
	}

	public function hookCategoryUpdate($params)
	{
		$this->hookPrivateSales_update($params);
	}

	public function hookCategoryAddition($params)
	{
		$this->hookPrivateSales_update($params);
	}

	public function getTree($id_lang) {
		global $site_version_front;

		include_once dirname(__FILE__).'/../categoryfamily/models/CategoryFamily.php';

		$families = CategoryFamilyCore::getAll($id_lang, 0);
		$families_menu = array();

		foreach ($families as $key => $family) {
			if($family['id_category_family'] == 13
				|| $family['id_category_family'] == 43) {
				unset($families[$key]);
				continue;
			}

			$families_menu[$key] = $family;
			$childrens = CategoryFamilyCore::getAll($id_lang, $family['id_category_family']);

			foreach ($childrens as $key_child => $child) {
				$sales = Db::getInstance()->Executes('
					SELECT p.`id_sale`, p.`id_category` as category_sale, pc.`id_category`
					FROM `'._DB_PREFIX_.'privatesale` p
					LEFT JOIN `'._DB_PREFIX_.'privatesale_site_version` pv ON pv.`id_sale` = p.`id_sale`
					LEFT JOIN `'._DB_PREFIX_.'privatesale_lang` pl ON pl.`id_sale` = p.`id_sale`
					LEFT JOIN `'._DB_PREFIX_.'privatesale_category` pc ON pc.`id_sale` = p.`id_sale`
					LEFT JOIN `'._DB_PREFIX_.'category_family_association` pcf ON pcf.`id_category` = pc.`id_category`
					WHERE p.`public` = 0
					AND pv.`version` = "'.pSql($site_version_front).'"
					AND p.`enabled` = 1
					AND p.`date_start` < NOW()
					AND p.`date_end` > NOW()
					AND pcf.`id_category_family` = '.(int)$child['id_category_family'].'
					GROUP BY p.`id_sale`
					ORDER BY p.`date_end` ASC
				');
				$childrens[$key_child]['sales'] = array();
				$childrens[$key_child]['sales'] = $this->buildSales($sales, $id_lang);

				$future_sales = Db::getInstance()->Executes('
					SELECT p.`id_sale`, p.`id_category` as category_sale, pc.`id_category`
					FROM `'._DB_PREFIX_.'privatesale` p
					LEFT JOIN `'._DB_PREFIX_.'privatesale_site_version` pv ON pv.`id_sale` = p.`id_sale`
					LEFT JOIN `'._DB_PREFIX_.'privatesale_lang` pl ON pl.`id_sale` = p.`id_sale`
					LEFT JOIN `'._DB_PREFIX_.'privatesale_category` pc ON pc.`id_sale` = p.`id_sale`
					LEFT JOIN `'._DB_PREFIX_.'category_family_association` pcf ON pcf.`id_category` = pc.`id_category`
					WHERE p.`public` = 0
					AND pv.`version` = "'.pSql($site_version_front).'"
					AND p.`enabled` = 1
					AND p.`date_start` > NOW()
					AND p.`date_end` > NOW()
					AND pcf.`id_category_family` = '.(int)$child['id_category_family'].'
					GROUP BY p.`id_sale`
					ORDER BY p.`date_end` ASC
				');
				$childrens[$key_child]['future_sales'] = array();
				$childrens[$key_child]['future_sales'] = $this->buildSales($future_sales, $id_lang);
			}
			$families_menu[$key]['children'] = $childrens;
		}

		return $families_menu;
	}

	public function buildSales($sales, $id_lang) {
		foreach ($sales as $key_sale => $sale) {
			$info_cat = Db::getInstance()->getRow('
				SELECT `name`,  `link_rewrite`
				FROM `'._DB_PREFIX_.'category_lang`
				WHERE `id_category` = '.(int)$sale['category_sale'].
				' AND id_lang ='.(int)$id_lang
			);

			if (!file_exists(_PS_ROOT_DIR_.'/img/menu/'.$sale['id_category'].'.jpg')) {
				$img_tmp = '';
				if (file_exists(_PS_ROOT_DIR_.'/img/c/'. $sale['id_category']. '.jpg')) {
					$img_tmp = _PS_ROOT_DIR_.'/img/c/'. $sale['id_category']. '.jpg';
				} else {
					$id_parent = Category::getIdParent($sale['id_category']);
					if(file_exists(_PS_ROOT_DIR_.'/img/c/'. $id_parent. '.jpg')) {
						$img_tmp = _PS_ROOT_DIR_.'/img/c/'. $id_parent. '.jpg';
					}
				}

				// create new format image
				$image_menu = imagecreatetruecolor(260, 211);
				$image_cat = imagecreatefromjpeg($img_tmp);
				imagecopyresampled($image_menu, $image_cat, 0, 0, 0, 0, 260, 211, 260, 211);
				imagejpeg($image_menu, _PS_ROOT_DIR_.'/img/menu/'.$sale['id_category'].'.jpg',100);
			}

			$sales[$key_sale]['img'] = '/img/menu/'.$sale['id_category'].'.jpg';
			$sales[$key_sale]['link_rewrite'] = $info_cat['link_rewrite'];
			$sales[$key_sale]['name'] = $info_cat['name'];
		}
		return $sales;
	}
}