<?php
/*************************************************************************************/
/*                                                                                   */
/*      Thelia	                                                                     */
/*                                                                                   */
/*      Copyright (c) 2005-2013 OpenStudio                                           */
/*      email : info@thelia.fr                                                       */
/*      web : http://www.thelia.net                                                  */
/*                                                                                   */
/*      This program is free software; you can redistribute it and/or modify         */
/*      it under the terms of the GNU General Public License as published by         */
/*      the Free Software Foundation; either version 3 of the License                */
/*                                                                                   */
/*      This program is distributed in the hope that it will be useful,              */
/*      but WITHOUT ANY WARRANTY; without even the implied warranty of               */
/*      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
/*      GNU General Public License for more details.                                 */
/*                                                                                   */
/*      You should have received a copy of the GNU General Public License            */
/*      along with this program.  If not, see <http://www.gnu.org/licenses/>.        */
/*                                                                                   */
/*************************************************************************************/
require_once __DIR__ . "/../fonctions/autoload.php";
require_once(__DIR__ . "/../fonctions/divers.php");

// Déninition du panier

class Panier {

	var $nbart;
	var $tabarticle;

	function __construct(){
		$this->nbart = 0;
		$this->tabarticle=array();
	}

	function ajouter($ref, $quantite, $tdeclidisp=array(), $append=0, $nouveau=0, $parent=-1){

		$indiceAjoute = false;

		if ($this->verfistock($ref, $quantite, $tdeclidisp)) {

			$existe = false;

			foreach($this->tabarticle as $index => $art) {

				// L'article est dans le panier ?
				if (isset($art->produit->ref) && $art->produit->ref == $ref && $art->parent === $parent) {

					$existe = true;

					$indice = $index;

					if (! (empty($tdeclidisp) && empty($art->perso)) ) {

						if ($art->perso != $tdeclidisp) {
							$existe = false;
						}
					}

					if ($existe) break;
				}
			}

			if (! $existe || $nouveau == 1) {
				$indiceAjoute = $this->nbart;
				$this->tabarticle[] = new Article($ref, $quantite, $tdeclidisp, $parent);
				$this->nbart++;
			}
			else if($existe && $append) {
				$indiceAjoute = $indice;
				$this->tabarticle[$indice]->quantite += $quantite;
			}
		}

		ActionsModules::instance()->appel_module("ajouterPanier", $indiceAjoute);

		return $indiceAjoute;
	}

	function supprimer($id){

		if (isset($this->tabarticle[$id])) {

			// Supprimer l'élément concerné
			unset($this->tabarticle[$id]);

			// Restaurer la continuité des indexes
			$this->tabarticle = array_values($this->tabarticle);

			$this->nbart--;
			
			$listeFils = array();
			for($i=0; $i<$this->nbart; $i++) 
			{
				if($this->tabarticle[$i]->parent > $id)
					$this->tabarticle[$i]->parent--;
				elseif($this->tabarticle[$i]->parent==$id)
					$listeFils[] = $i;
			}
			
			for($i=0; $i<count($listeFils); $i++)
				$this->supprimer($listeFils[$i]);
		}
	}

	function modifier($article, $quantite, $parent=-1) {

		$art = &$this->tabarticle[$article];

		// Vérification du stock
		if (! $this->verfistock($art->produit->ref, $quantite, $art->perso)) return 0;

		$art->quantite = $quantite;

		if($parent>-2 && isset($this->tabarticle[$parent])) {
			$art->parent = $parent;
		}
	}


	function total($tva=1, $remise=0) {

		$total = 0;
		$taxe = 0;

		$pays = new Pays();

		if($_SESSION['navig']->adresse != "" && $_SESSION['navig']->adresse != 0){
			$adr = new Adresse();
			$adr->charger($_SESSION['navig']->adresse);
			$pays->charger($adr->pays);
		}
		else
			$pays->charger($_SESSION['navig']->client->pays);

		foreach($this->tabarticle as $art) {

			$prix = $art->produit->promo ? $art->produit->prix2 : $art->produit->prix;

			$taxe += ($prix - ($prix/(1+$art->produit->tva/100))) * $art->quantite;
			$total += $prix*$art->quantite;
		}

		if($tva && $pays->tva != "" && ! $pays->tva) {
			$total -= $taxe;
		}
		else {
			if($tva == 0)
				$total -= $taxe;
		}

		$total -= $remise;

		ActionsModules::instance()->appel_module("totalPanier", $total);

		return round($total, 2);
	}

	function totalecotaxe() {
		$ecotaxe = 0;

		foreach($this->tabarticle as $art)
			$ecotaxe += $art->produit->ecotaxe * $art->quantite;

		return round($ecotaxe, 2);
	}

	function totaltva(){
		return $this->total() - $this->total(0);
	}

	function poids(){
		$poids = 0;

		foreach($this->tabarticle as $art)
			$poids += $art->produit->poids * $art->quantite;

		return round($poids, 2);
	}

	function nbart() {
		$nbart = 0;

		foreach($this->tabarticle as $art)
			$nbart += $art->quantite;

		return $nbart;
	}

	function unitetr() {
		$unitetr = 0;

		foreach($this->tabarticle as $art)
			$unitetr += $art->produit->unitetr * $art->quantite;

		return round($unitetr, 2);
	}

	function recupArticles(){
		return $tabarticle;
	}

	function verfistock($refproduit, $quantite, $perso) {

		$stockok = true;

		if (Variable::lire("verifstock", 0) == 1) {

			$prod = new Produit();

			if ($prod->charger($refproduit)) {

				if ($prod->stock >= $quantite) {

					foreach($perso as $decli) {

						$stock = new Stock();

						if ($stock->charger($decli->valeur, $prod->id) && $stock->valeur < $quantite) {
							$stockok = false;
							break;
						}
					}
				}
				else {
					$stockok = false;
				}
			}
			else {
				$stockok = false;
			}
		}
		
		$parametres = array(
                    "refproduit" => $refproduit,
                    "quantite" =>$quantite, 
                    "perso" => $perso
                );
                
                ActionsModules::instance()->appel_module(
                    "apresverifstock", 
                    $stockok,
                    $parametres
                );
		
		return $stockok;
	}
}
?>