<?php

/** 
Copyright distrib (2018) 

contact@opendistrib.net

Ce logiciel est un programme informatique servant à aider les producteurs 
à distribuer leur production en circuits courts. 

Ce logiciel est régi par la licence CeCILL soumise au droit français et
respectant les principes de diffusion des logiciels libres. Vous pouvez
utiliser, modifier et/ou redistribuer ce programme sous les conditions
de la licence CeCILL telle que diffusée par le CEA, le CNRS et l'INRIA 
sur le site "http://www.cecill.info".

En contrepartie de l'accessibilité au code source et des droits de copie,
de modification et de redistribution accordés par cette licence, il n'est
offert aux utilisateurs qu'une garantie limitée.  Pour les mêmes raisons,
seule une responsabilité restreinte pèse sur l'auteur du programme,  le
titulaire des droits patrimoniaux et les concédants successifs.

A cet égard  l'attention de l'utilisateur est attirée sur les risques
associés au chargement,  à l'utilisation,  à la modification et/ou au
développement et à la reproduction du logiciel par l'utilisateur étant 
donné sa spécificité de logiciel libre, qui peut le rendre complexe à 
manipuler et qui le réserve donc à des développeurs et des professionnels
avertis possédant  des  connaissances  informatiques approfondies.  Les
utilisateurs sont donc invités à charger  et  tester  l'adéquation  du
logiciel à leurs besoins dans des conditions permettant d'assurer la
sécurité de leurs systèmes et ou de leurs données et, plus généralement, 
à l'utiliser et l'exploiter dans les mêmes conditions de sécurité. 

Le fait que vous puissiez accéder à cet en-tête signifie que vous avez 
pris connaissance de la licence CeCILL, et que vous en avez accepté les
termes.
*/

namespace backend\controllers;

use common\models\Order ;
use common\models\ProductOrder ;
use common\models\Product ;
use common\models\User ;
use common\models\ProductDistribution ;
use common\models\Distribution ;

class OrderController extends BackendController 
{
    var $enableCsrfValidation = false;

    public function behaviors() 
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'allow' => true,
                        'roles' => ['@'],
                        'matchCallback' => function ($rule, $action) {
                            return User::getCurrentStatus() == USER::STATUS_ADMIN 
                                || User::getCurrentStatus() == USER::STATUS_PRODUCER;
                        }
                    ]
                ],
            ],
        ];
    }

    /**
     * Traite le formulaire d'ajout/modification de commande.
     * 
     * @param Distribution $distribution
     * @param string $date
     * @param array $points_vente
     * @param array $produits
     * @param array $users
     */
    public function processOrderForm(
        $distribution, $date, $pointsSale, $products, $users) 
    {
        if ($date != '') {
            // commandes
            $orders = Order::searchAll([
                'distribution.date' => $date
            ]) ;

            foreach ($pointsSale as $point) {
                $point->initOrders($orders);

                if (isset($_POST['submit_pv']) && $_POST['submit_pv']) {
                    // modifs 
                    foreach ($point->orders as $order) {

                        // suppression des product_order                        
                        ProductOrder::deleteAll(['id_order' => $order->id]) ;

                        // création des commande_produit modifiés
                        foreach ($products as $product) {
                            $quantity = Yii::$app->getRequest()->post('product_' . $point->id . '_' . $product->id, 0);
                            if ($quantity) {
                                $productOrder = new ProductOrder;
                                $productOrder->id_order = $order->id;
                                $productOrder->id_product = $product->id;
                                $productOrder->quantity = $quantity;
                                $productOrder->price = $p->price;
                                $productOrder->save();
                            }
                        }
                    }

                    $username = Yii::$app->getRequest()->post('username_point_sale_' . $point->id, 0);
                    $date = Yii::$app->getRequest()->post('date_order_point_sale_' . $point->id, 0);
                    $oneProduct = false;
                    foreach ($products as $product) {
                        $quantity = Yii::$app->getRequest()->post('product_point_sale_' . $point->id . '_' . $product->id, 0);
                        if ($quantity) {
                            $oneProduct = true;
                        }
                    }

                    if (strlen($username) && $date && $oneProduct) {
                        $order = new Order;
                        $order->id_point_sale = $point->id;
                        $order->id_production = $distribution->id;
                        $order->id_user = 0;
                        $order->username = $username;
                        $arrayDate = explode('/', $date);
                        $order->date = $arrayDate[2] . '-' . $arrayDate[1] . '-' . $arrayDate[0] . ' 00:00:00';
                        $order->save();

                        foreach ($products as $product) {
                            $quantity = Yii::$app->getRequest()->post('product_point_sale_' . $point->id . '_' . $product->id, 0);
                            if ($quantity) {
                                $productOrder = new ProductOrder;
                                $productOrder->id_order = $order->id;
                                $productOrder->id_product = $product->id;
                                $productOrder->quantity = $quantity;
                                $productOrder->price = $p->price;
                                $productOrder->save();
                            }
                        }
                    }
                }
            }
        }
    }

    /**
     * Page principale de la gestion des commandes.
     * 
     * @param string $date
     * @param boolean $returnData
     * @return string
     */
    public function actionIndex($date = '', $returnData = false) 
    {
        if (!Product::searchCount() || !PointSale::searchCount()) {
            $this->redirect(['site/index', 'error_products_points_sale' => 1]);
        }

        $orders = [];

        // users
        $arrayUsers = [0 => '--'];
        $users = User::searchAll([],['orderby' => 'lastname, name ASC']) ;
        
        foreach ($users as $user) {
            $arrayUsers[$user->id] = $user->name . ' ' . $user->lastname;
        }

        // création du jour de distribution
        $distribution = Distribution::initDistribution($date) ;

        // points de vente
        if ($distribution) {
            $arrayPointsSale = PointSale::find()
                ->joinWith(['pointSaleDistribution' => function($q) use ($distribution) {
                    $q->where(['id_distribution' => $distribution->id]);
                }])
                ->where([
                    'id_producer' => Producer::getId(),
                ])
                ->all();
        } else {
            $arrayPointsSale = PointSale::searchAll() ;
        }

        // produits
        $arrayProducts = Product::searchAll();

        // gestion des commandes
        $this->processOrderForm($distribution, $date, $arrayPointsSale, $arrayProducts, $users);

        // commandes
        $arrayOrders = Order::searchAll([
            'distribution.date' => $date,
        ]);
        
        $revenues = 0;
        $weight = 0 ;
        $revenuesDelivered = 0;

        if($arrayOrders) {
            foreach ($arrayOrders as $order) {
                if(is_null($order->date_delete)) {
                    $revenues += $order->amount;
                    if ($order->id_point_sale != 1) {
                        $revenuesDelivered += $order->amount;
                    }
                    $weight += $order->weight;
                }
            }
        }
        
        $revenues = number_format($revenues, 2);

        // init commandes point de vente
        foreach ($arrayPointsSale as $pointSale) {
            $pointSale->initOrders($arrayOrders);

            $dataSelectOrders = [];
            $dataOptionsOrders = [];
            foreach ($pointSale->orders as $order) {
                if ($order->user) {
                    $dataSelectOrders[$order->id] = $order->user->name . ' ' . $order->user->lastname;
                } else {
                    $dataSelectOrders[$order->id] = $order->username;
                }

                $dataOptionsOrders[$order->id] = [];
                $arrayOptions = [];
                $arrayOptions[$order->id]['amount'] = $order->amount;
                $arrayOptions[$order->id]['str_amount'] = number_format($order->amount, 2, ',', '') . ' €';
                $arrayOptions[$order->id]['paid_amount'] = $order->paid_amount;
                $arrayOptions[$order->id]['products'] = [];
                $arrayOptions[$order->id]['comment'] = Html::encode($order->comment);
                foreach ($order->productOrder as $productOrder) {
                    $arrayOptions[$order->id]['products'][$productOrder->id_product] = $productOrder->quantity;
                }

                $dataOptionsOrders[$order->id]['data-order'] = json_encode($arrayOptions[$order->id]);
                $dataOptionsOrders[$order->id]['value'] = $order->id;
            }
            $pointSale->data_select_orders = $dataSelectOrders ; 
            $pointSale->data_options_orders = $dataOptionsOrders ;
        }

        // gestion produits selec
        if (isset($_POST['valider_produit_selec'])) {

            if (isset($_POST['Product'])) {

                foreach ($arrayProducts as $product) {
                    $productDistribution = ProductDistribution::searchOne([
                        'id_distribution' => $distribution->id,
                        'id_product' => $product->id
                    ]) ;
                            
                    if (!$productDistribution) {
                        $productDistribution = new ProductDistribution();
                        $productDistribution->id_distribution = $distribution->id;
                        $productDistribution->id_product = $product->id;
                        $productDistribution->active = 0;

                        if (isset($product->quantity_max)) {
                            $productDistribution->quantity_max = $product->quantity_max;
                        }
                        else {
                            $productDistribution->quantity_max = null;
                        }
                            

                        $productDistribution->save();
                    }

                    if (isset($_POST['Product'][$product->id]['active'])) {
                        $productDistribution->active = 1;
                    } else {
                        $productDistribution->active = 0;
                    }

                    if ((isset($_POST['Product'][$product->id]['quantity_max']) && $_POST['Product'][$product->id]['quantity_max'] != '')) {
                        $productDistribution->quantity_max = (int) $_POST['Product'][$product->id]['quantity_max'];
                    } else {
                        $productDistribution->quantity_max = null;
                    }

                    $productDistribution->save();
                }
            }
        }

        $arrayProductsSelected = [] ;
        if($distribution) {
            // produits selec pour production
            $arrayProductsSelected = ProductDistribution::searchByDistribution($distribution->id) ;
        }

        // produits
        if ($distribution) {
            $arrayProducts = Product::searchByDistribution($distribution->id) ;
        }
            
        // poids total de la production et CA potentiel
        $potentialTurnover = 0;
        $totalWeight = 0;
        foreach ($arrayProductsSelected as $idSelectedProduct => $selectedProduct) {
            if ($selectedProduct['active']) {
                foreach ($arrayProducts as $product) {
                    if ($product->id == $idSelectedProduct) {
                        $potentialTurnover += $selectedProduct['quantity_max'] * $product->price;
                        $totalWeight += $selectedProduct['quantity_max'] * $product->weight / 1000;
                    }
                }
            }
        }

        // jours de distribution
        $arrayDistributionDays = Distribution::searchAll([
            'active' => 1
        ]) ;

        // commandes auto
        $subscriptionForm = new SubscriptionForm;

        // productions point vente
        $pointSaleDistribution = new PointSaleDistribution;

        $oointsSaleDistribution = [];
        
        if ($distribution) {
            $pointsSaleDistribution = PointSaleDistribution::searchAll([
                'id_distribution' => $distribution->id
            ]) ;
        }

        $arrayPointsSaleDistribution = [];
        
        if(isset($pointsSaleDistribution)) {
            foreach ($pointsSaleDistribution as $pointSaleDistrib) {
                $key = $pointSaleDistrib->id_distribution . '-' . $pointSaleDistrib->id_point_sale;
                if ($pointSaleDistrib->delivery == 1) {
                    $pointSaleDistribution->points_sale_distribution[] = $key;
                }
                if(isset($pointSaleDistrib->pointSale) && strlen($pointSaleDistrib->pointSale->name)) {
                    $arrayPointsSaleDistribution[$key] = Html::encode($pointSaleDistrib->pointSale->name);
                }
            }
        }
        
        // une production de la semaine activée ou non
        $oneDistributionWeekActive = false ;
	$week = sprintf('%02d',date('W',strtotime($date)));
	$start = strtotime(date('Y',strtotime($date)).'W'.$week);
        $dateMonday = date('Y-m-d',strtotime('Monday',$start)) ;
        $dateTuesday = date('Y-m-d',strtotime('Tuesday',$start)) ;
        $dateWednesday = date('Y-m-d',strtotime('Wednesday',$start)) ;
        $dateThursday = date('Y-m-d',strtotime('Thursday',$start)) ;
        $dateFriday = date('Y-m-d',strtotime('Friday',$start)) ;
        $dateSaturday = date('Y-m-d',strtotime('Saturday',$start)) ;
        $dateSunday = date('Y-m-d',strtotime('Sunday',$start)) ;
        
        $weekDistribution = Distribution::find()
                ->andWhere([
                    'id_producer' => Producer::getId(),
                    'active' => 1,
                ])
                ->andWhere(['or',
                    ['date' => $dateMonday], 
                    ['date' => $dateTuesday],
                    ['date' => $dateWednesday],
                    ['date' => $dateThursday],
                    ['date' => $dateFriday],
                    ['date' => $dateSaturday],
                    ['date' => $dateSunday],
                ])
                ->one();
        if($weekDistribution) {
            $oneDistributionWeekActive = true ;
        }
        
        $datas = [
            'arrayProducts' => $arrayProducts,
            'arrayPointsSale' => $arrayPointsSale,
            'arrayOrders' => $arrayOrders,
            'date' => $date,
            'distribution' => $distribution,
            'arrayDistributionDays' => $arrayDistributionDays,
            'selectedProducts' => $arrayProductsSelected,
            'users' => $arrayUsers,
            'revenues' => $revenues,
            'revenuesDelivered' => $revenuesDelivered,
            'weight' => $weight,
            'potentialTurnover' => $potentialTurnover,
            'totalWeight' => $totalWeight,
            'subscriptionForm' => $subscriptionForm,
            'pointSaleDistribution' => $pointSaleDistribution,
            'arrayPointsSaleDistribution' => $arrayPointsSaleDistribution,
            'oneDistributionWeekActive' => $oneDistributionWeekActive
        ];

        if ($returnData) {
            return $datas;
        } else {
            return $this->render('index', $datas);
        }
    }

    /**
     * Génère un fichier d'export des commandes au format CSV. 
     * 
     * @param string $date
     * @param integer $id_point_vente
     * @param boolean $global
     */
    public function actionDownload($date = '', $idPointSale = 0, $global = 0) 
    {
        // commandes
        $ordersArray = Order::searchAll([
            'distribution.date' => $date
        ]) ;

        // points de vente
        $pointsSaleArray = PointSale::searchAll() ;
        foreach ($pointsSaleArray as $pointSale) {
            $pv->initOrders($ordersArray);
        }
            
        // produits
        $productsArray = Product::find()->orderBy('order ASC')->all();

        $distribution = Distribution::find()
            ->where('date LIKE \':date\'')
            ->params([':date' => $date])
            ->one();
        
        $selectedProductsArray = ProductDistribution::searchByDistribution($distribution->id);

        /*
         * export global
         */
        if ($global) {

            $data = [];
            $filename = 'export_' . $date . '_global';

            $dayWeek = date('w', strtotime($date));
            $dayWeekArray = [0 => 'sunday', 1 => 'monday', 2 => 'tuesday', 3 => 'wednesday', 4 => 'thursday', 5 => 'friday', 6 => 'saturday'];
            $fieldsHoursPointSale = 'infos_' . $dayWeekArray[$dayWeek];

            // par point de vente
            foreach ($pointsSaleArray as $pointSale) {
                if (count($pointSale->orders) && strlen($pointSale->$fieldsHoursPointSale)) {

                    $line = [$pointSale->name, 'Produits', 'Montant', 'Commentaire'];

                    $data[] = $line;

                    $res = $this->contentPointSaleCSV($date, $productsArray, $pointsSaleArray, $pointSale->id);
                    foreach ($res['data'] as $line) {
                        $data[] = $line;
                    }
                }

                if (count($pointSale->orders) && strlen($pointSale->$fieldsHoursPointSale)) {

                    $line = ['Total'];
                    $strProducts = '';
                    foreach ($productsArray as $product) {
                        if ( isset($selectedProductsArray[$product->id]['active']) && $selectedProductsArray[$product->id]['active']) {
                            $quantity = Order::getProductQuantity($product->id, $pointSale->orders);
                            $strQuantity = '';
                            if ($quantity) {
                                $strQuantity = $quantity;
                                $strProducts .= $strQuantity . ', ';
                            }
                        }
                    }
                    $line[] = substr($strProducts, 0, strlen($strProducts) - 2);
                    $line[] = number_format($pointSale->revenues, 2) . ' €';
                    $data[] = $line;

                    $data[] = [];
                }
            }

            $line = ['Total'];
            $strProducts = '';
            foreach ($productsArray as $product) {
                if (isset($selectedProductsArray[$product->id]['active']) && $selectedProductsArray[$product->id]['active']) {
                    $quantity = Order::getProductQuantity($product->id, $ordersArray);
                    $strQuantity = '';
                    if ($quantity) {
                        $strQuantity = $quantity;
                        $strQuantity .= $strQuantity . ', ';
                    }
                }
            }
            $line[] = substr($strProducts, 0, strlen($strProducts) - 2);

            $data[] = $line;


            $infos = $this->actionIndex($date, true);

            CSV::downloadSendHeaders($filename . '.csv');
            echo CSV::array2csv($data);
            die();
        }
        /*
         * export individuel
         */ 
        else {
            if ($ordersArray && count($ordersArray)) {

                $data = [];

                // par point de vente
                if ($idPointSale) {
                    $res = $this->contentPointSaleCSV($date, $productsArray, $pointsSaleArray, $idPointSale);
                    $data = $res['data'];
                    $filename = $res['filename'];
                }
                // récapitulatif
                else {
                    $res = $this->contentRecapCSV($date, $productsArray, $pointsSaleArray, $ordersArray);
                    $filename = 'summary_' . $date;
                    $data = $res['data'];
                }

                CSV::downloadSendHeaders($filename . '.csv');
                echo CSV::array2csv($data);
                die();
            }
        }
    }

    /**
     * Génère le contenu nécessaire aux exports au format CSV.
     * 
     * @see OrderController::actionDownload()
     * @param string $date
     * @param array $products
     * @param array $pointsSale
     * @param array $orders
     * @return array
     */
    public function contentRecapCSV($date, $products, $pointsSale, $orders) 
    {
        $data = [];
        $filename = 'summary_' . $date;

        $distribution = Distribution::find()
            ->where('date LIKE \':date\'')
            ->params([':date' => $date])
            ->one();
        
        $selectedProductsArray = ProductDistribution::searchByDistribution($distribution->id);

        // head
        $data[0] = ['Lieu'];
        foreach ($products as $product) {
            if (isset($selectedProductsArray[$product->id]['active']) && $selectedProductsArray[$product->id]['active']) {
                $data[0][] = $product->description;
            }
        }

        $dayWeek = date('w', strtotime($date));
        $dayWeekArray = [0 => 'sunday', 1 => 'monday', 2 => 'tuesday', 3 => 'wednesday', 4 => 'thursday', 5 => 'friday', 6 => 'saturday'];
        $fieldHoursPointSale = 'infos_' . $dayWeekArray[$dayWeek];


        // datas
        foreach ($pointsSale as $pointSale) {
            if (count($pointSale->orders) && strlen($pointSale->$fieldHoursPointSale)) {
                $dataAdd = [$pointSale->name];
                foreach ($products as $product) {
                    if (isset($selectedProductsArray[$product->id]['active']) && $selectedProductsArray[$product->id]['active']) {
                        $dataAdd[] = Order::getProductQuantity($product->id, $pointSale->orders);
                    }
                }
                $data[] = $dataAdd;
            }
        }

        $dataAdd = ['Total'];
        foreach ($products as $product) {
            if (isset($selectedProductsArray[$product->id]['active']) && $selectedProductsArray[$product->id]['active']) {
                $dataAdd[] = Order::getProductQuantity($product->id, $orders);
            }
        }
        $data[] = $dataAdd;

        return [
            'data' => $data,
            'filename' => $filename
        ];
    }

    /**
     * Génère le contenu relatif aux points de vente nécessaires aux exports au
     * format CSV.
     * 
     * @param string $date
     * @param array $produits
     * @param array $points_vente
     * @param integer $id_point_vente
     * @return array
     */
    public function contentPointSaleCSV($date, $products, $pointsSale, $idPointSale) 
    {
        $data = [];

        $distribution = Distribution::find()->where('date LIKE \':date\'')->params([':date' => $date])->one();
        $selectedProductsArray = ProductDistribution::searchByDistribution($distribution->id);

        // datas
        foreach ($pointsSale as $pointSale) {
            if ($pointSale->id == $idPointSale) {

                $filename = 'export_' . $date . '_' . strtolower(str_replace(' ', '-', $pointSale->name));

                foreach ($pointSale->orders as $order) {
                    $strUser = '';
                    // username
                    if ($order->user) {
                        $strUser = $order->user->name . " " . $order->user->lastname; 
                    } else {
                        $strUser = $order->username; 
                    }

                    // téléphone
                    if (isset($order->user) && strlen($order->user->phone)) {
                        $strUser .= ' (' . $order->user->phone . ')';
                    }

                    $dataAdd = [$strUser];

                    // produits
                    $strProducts = '';
                    foreach ($products as $product) {
                        if (isset($selectedProductsArray[$product->id]['active']) && $selectedProductsArray[$product->id]['active']) {
                            $add = false;
                            foreach ($product->productOrder as $productOrder) {
                                if ($product->id == $productOrder->id_product) {
                                    $strProducts .= $productOrder->quantity ;
                                    $add = true;
                                }
                            }
                        }
                    }

                    $dataAdd[] = substr($strProducts, 0, strlen($strProducts) - 2);
                    $dataAdd[] = number_format($order->amount, 2) . ' €';
                    $dataAdd[] = $order->comment;

                    $data[] = $dataAdd;
                }
            }
        }

        return [
            'data' => $data,
            'filename' => $filename
        ];
    }
    
    /**
     * Ajoute les commandes récurrentes pour une date donnée.
     * 
     * @param string $date
     */
    public function actionAddSubscriptions($date) 
    {
        Subscription::addAll($date, true);
        $this->redirect(['index', 'date' => $date]);
    }

    /**
     * Change l'état d'un jour de production (activé, désactivé).
     * 
     * @param string $date
     * @param integer $actif
     * @param boolean $redirect
     */
    public function actionChangeState($date, $active, $redirect = true) 
    {
        // changement état
        $distribution = Distribution::initDistribution($date) ;
        $distribution->active = $active;
        $distribution->save();

        if ($active) {
            // add commandes automatiques
            Subscription::addAll($date);
        }

        if($redirect) {
            $this->redirect(['index', 'date' => $date]);
        }
    }
    
    /**
     * Change l'état d'une semaine de production (activé, désactivé).
     * 
     * @param string $date
     * @param integer $actif
     */
    public function actionChangeStateWeek($date, $active) 
    {    
        $week = sprintf('%02d',date('W',strtotime($date)));
	$start = strtotime(date('Y',strtotime($date)).'W'.$week);
        $dateMonday = date('Y-m-d',strtotime('Monday',$start)) ;
        $dateTuesday = date('Y-m-d',strtotime('Tuesday',$start)) ;
        $dateWednesday = date('Y-m-d',strtotime('Wednesday',$start)) ;
        $dateThursday = date('Y-m-d',strtotime('Thursday',$start)) ;
        $dateFriday = date('Y-m-d',strtotime('Friday',$start)) ;
        $dateSaturday = date('Y-m-d',strtotime('Saturday',$start)) ;
        $dateSunday = date('Y-m-d',strtotime('Sunday',$start)) ;
                
        $pointsSaleArray = PointSale::searchAll() ;
                
        $activeMonday = false ;
        $activeTuesday = false ;        
        $activeWednesday = false ;
        $activeThursday = false ;
        $activeFriday = false ;
        $activeSaturday = false ;
        $activeSunday = false ;
        
        foreach($pointsSaleArray as $pointSale) {
            if($pointSale->delivery_monday) $activeMonday = true ;
            if($pointSale->delivery_tuesday) $activeTuesday = true ;
            if($pointSale->delivery_wednesday) $activeWednesday = true ;
            if($pointSale->delivery_thursday) $activeThursday = true ;
            if($pointSale->delivery_friday) $activeFriday = true ;
            if($pointSale->delivery_saturday) $activeSaturday = true ;
            if($pointSale->delivery_sunday) $activeSunday = true ;
        }
        
        if($activeMonday || !$active) $this->actionChangeState($dateMonday, $active, false) ;
        if($activeTuesday || !$active) $this->actionChangeState($activeTuesday, $active, false) ;
        if($activeWednesday || !$active) $this->actionChangeState($activeWednesday, $active, false) ;
        if($activeThursday || !$active) $this->actionChangeState($activeThursday, $active, false) ;
        if($activeFriday || !$active) $this->actionChangeState($activeFriday, $active, false) ;
        if($activeSaturday || !$active) $this->actionChangeState($activeSaturday, $active, false) ;
        if($activeSunday || !$active) $this->actionChangeState($activeSunday, $active, false) ;

        $this->redirect(['index', 'date' => $date]);
    }

    /**
     * Supprime une commande via une requête AJAX.
     * 
     * @param string $date
     * @param integer $idOrder
     */
    public function actionAjaxDelete($idOrder) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $order = Order::searchOne([
            'id' => $idOrder
        ]) ;
                
        // delete
        if ($order) {
            // remboursement si l'utilisateur a payé pour cette commande
            $amountPaid = $order->getAmount(Order::AMOUNT_PAID);
            if ($amountPaid > 0.01) {
                $order->saveCreditHistory(
                    CreditHistory::TYPE_REFUND, 
                    $amountPaid, 
                    Producer::getId(), 
                    $order->id_user,
                    User::getCurrentId()
                );
            }

            $order->delete();
            ProductOrder::deleteAll(['id_order' => $idOrder]);
        }

        return ['success'] ;
    }
    
    
    /**
     * Supprime une commande.
     * 
     * @param string $date
     * @param integer $idOrder
     */
    public function actionDelete($date, $idOrder) 
    {
        $order = Order::searchOne(['id' =>$idOrder]) ;

        if ($order) {

            // remboursement de la commande
            if ($order->id_user && $order->getAmount(Order::AMOUNT_PAID) && Producer::getConfig('credit')) {
                $order->saveCreditHistory(
                    CreditHistory::TYPE_REFUND, 
                    $order->getAmount(Order::AMOUNT_PAID), 
                    $order->distribution->id_producer, 
                    $order->id_user,
                    User::getCurrentId()
                );
            }

            $order->delete();
            ProductOrder::deleteAll(['id_order' => $idOrder]);
        }

        $this->redirect(['index', 'date' => $date]);
    }

    /**
     * Crée une commande via une requête AJAX.
     * 
     * @param string $date
     * @param integer $idPointSale
     * @param integer $idUser
     * @param string $username
     * @param array $produits
     * @param string $commentaire
     * @param string $processCredit
     */
    public function actionAjaxCreate(
        $date, $idPointSale, $idUser, $username, $products, $comment, $processCredit = 0) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $products = json_decode($products);
        $pointSale = PointSale::findOne($idPointSale);
        $distribution = Distribution::searchOne([
            'date' => $date
        ]);

        if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/", $date) &&
                ($idUser || strlen($username)) &&
                $pointSale &&
                count($products) &&
                $distribution) {
            
            $order = new Order;
            $order->date = date('Y-m-d H:i:s', strtotime($date . ' ' . date('H:i:s')));
            $order->id_point_sale = $idPointSale;
            $order->id_distribution = $distribution->id;
            $order->origin = Order::ORIGIN_ADMIN;
            $order->comment = $comment;

            if ($idUser) {
                $order->id_user = $idUser;

                // commentaire du point de vente
                $userPointSale = UserPointSale::searchOne([
                    'id_point_sale' => $idPointSale,
                    'id_user' => $idUser
                ]) ;

                if ($userPointSale && strlen($userPointSale->comment)) {
                    $order->comment_point_sale = $userPointSale->comment;
                }
            } else {
                $order->username = $username;
                $order->id_user = 0;
            }

            $order->save();

            foreach ($products as $key => $quantity) {
                $product = Product::findOne($key);
                if ($product && $quantity) {
                    $productOrder = new ProductOrder;
                    $productOrder->id_order = $order->id;
                    $productOrder->id_product = $key;
                    $productOrder->quantity = $quantity;
                    $productOrder->price = $product->price;
                    $productOrder->save();
                }
            }
            
            $order = Order::searchOne(['id' => $order->id]) ;
            if($order && $processCredit) {
                $order->processCredit() ;
            }
            
            // lien utilisateur / point de vente
            if($idUser && $pointSale) {
                $pointSale->linkUser($idUser) ;
            }
        }
        
        return ['success'] ;
    }
    
        /**
     * Met à jour une commande via une requête AJAX.
     * 
     * @param integer $idOrder
     * @param array $products
     * @param string $date
     * @param string $comment
     */
    public function actionAjaxUpdate(
        $date, $idOrder, $idPointSale, $idUser, $username, $products, $comment, $processCredit = 0) 
    {
        
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $order = Order::searchOne(['id' => $idOrder]) ;

        if ($order &&
            $order->distribution->id_producer == Producer::getId()) {
            
            $products = json_decode($products);
            foreach ($products as $key => $quantity) {
                $productOrder = ProductOrder::findOne([
                    'id_order' => $idOrder,
                    'id_product' => $key
                ]);

                if ($quantity) {
                    if ($productOrder) {
                        $productOrder->quantity = $quantity;
                    } else {
                        $product = Product::findOne($key);

                        if ($product) {
                            $productOrder = new ProductOrder;
                            $productOrder->id_order = $idOrder;
                            $productOrder->id_product = $key;
                            $productOrder->quantity = $quantity;
                            $productOrder->price = $product->price;
                        }
                    }

                    $productOrder->save();
                } else {
                    if ($productOrder) {
                        $productOrder->delete();
                    }
                }
            }

            $order->id_point_sale = $idPointSale;
            $order->date_update = date('Y-m-d H:i:s');
            $order->comment = $comment;
            
            if ($idUser) {
                $order->id_user = $idUser;

                // commentaire du point de vente
                $userPointSale = UserPointSale::searchOne([
                    'id_point_sale' => $order->id_point_sale,
                    'id_user' => $idUser
                ]) ;

                if ($userPointSale && strlen($userPointSale->comment)) {
                    $order->comment_point_sale = $userPointSale->comment;
                }
            } else {
                $order->username = $username;
                $order->id_user = 0;
            }
            
            $order->save();
            
            $order = Order::searchOne(['id' => $order->id]) ;
            if($order && $processCredit) {
                $order->processCredit() ;
            }
        }
    }


    /**
     * Retourne l'état du paiement (historique, crédit) d'une commande donnée.
     * 
     * @param integer $idOrder
     */
    public function actionPaymentStatus($idOrder) 
    {
        $order = Order::searchOne(['id' => $idOrder]) ;
        
        if ($order) {
            $html = '';

            if ($order->id_user) {
                $userProducer = UserProducer::find()
                    ->where([
                        'id_user' => $order->id_user,
                        'id_producer' => $order->distribution->id_producer
                    ])
                    ->one();

                $amountPaid = $order->getAmount(Order::AMOUNT_PAID);

                if (abs($order->amount - $amountPaid) < 0.0001) {
                    $html .= '<span class="label label-success">Payé</span>';
                    $buttonsCredit = Html::a('Rembourser ' . $order->getAmount(Order::AMOUNT_TOTAL, true), 'javascript:void(0);', ['class' => 'btn btn-default btn-xs rembourser', 'data-montant' => $order->amount, 'data-type' => 'refund']);
                } elseif ($order->amount > $amountPaid) {
                    $amountToPay = $order->amount - $amountPaid;
                    $html .= '<span class="label label-danger">Non payé</span> reste <strong>' . number_format($amountToPay, 2) . ' €</strong> à payer';
                    $buttonsCredit = Html::a('Payer ' . number_format($amountToPay, 2) . ' €', 'javascript:void(0);', ['class' => 'btn btn-default btn-xs payer', 'data-montant' => $amountToPay, 'data-type' => 'payment']);
                } elseif ($order->amount < $amountPaid) {
                    $amountToRefund = $amountPaid - $order->amount;
                    $html .= ' <span class="label label-success">Payé</span> <strong>' . number_format($amountToRefund, 2) . ' €</strong> à rembourser';
                    $buttonsCredit = Html::a('Rembourser ' . number_format($amountToRefund, 2) . ' €', 'javascript:void(0);', ['class' => 'btn btn-default btn-xs rembourser', 'data-montant' => $amountToRefund, 'data-type' => 'refund']);
                }

                $html .= '<span class="buttons-credit">'
                        . 'Crédit : <strong>' . number_format($userProducer->credit, 2) . '  €</strong><br />'
                        . $buttonsCredit
                        . '</span>';

                // historique
                $history = CreditHistory::find()
                        ->with('userAction')
                        ->where(['id_order' => $idOrder])
                        ->all();

                $html .= '<br /><br /><strong>Historique</strong><br /><table class="table table-condensed table-bordered">'
                        . '<thead><tr><th>Date</th><th>Utilisateur</th><th>Action</th><th>- Débit</th><th>+ Crédit</th></tr></thead>'
                        . '<tbody>';

                if ($history && is_array($history) && count($history)) {
                    foreach ($history as $h) {
                        $html .= '<tr>'
                                . '<td>' . date('d/m/Y H:i:s', strtotime($h->date)) . '</td>'
                                . '<td>' . Html::encode($h->strUserAction()) . '</td>'
                                . '<td>' . $h->getStrWording() . '</td>'
                                . '<td>' . ($h->isTypeDebit() ? '- '.$h->getAmount(Order::AMOUNT_TOTAL,true) : '') . '</td>'
                                . '<td>' . ($h->isTypeCredit() ? '+ '.$h->getAmount(Order::AMOUNT_TOTAL,true) : '') . '</td>'
                                . '</tr>';
                    }
                } else {
                    $html .= '<tr><td colspan="4">Aucun résultat</td></tr>';
                }

                $html .= '</tbody></table>';
            } else {
                $html .= '<div class="alert alert-warning">Pas de gestion de crédit pain pour cette commande car elle n\'est pas liée à un compte utilisateur.</div>';
            }

            echo json_encode([
                'html_payment_status' => $html,
                'json_order' => $order->getDataJson()
            ]);
        }

        die();
    }

    /**
     * Effectue le paiement/remboursement d'une commande.
     * 
     * @param integer $idOrder
     * @param string $type
     * @param float $amount
     * @return string
     */
    public function actionAjaxPayment($idOrder, $type, $amount) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $order = Order::searchOne([
            'id' => $idOrder
        ]) ;
        
        if ($order) {
            $order->saveCreditHistory(
                $type, 
                $amount, 
                Producer::getId(), 
                $order->id_user,
                User::getCurrentId()
            );
        }

        return ['success'];
    }

}