<?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 backend\controllers\BackendController ;
use common\models\Distribution ;
use common\models\Product ;
use common\models\Producer ;
use common\models\Order ;
use common\models\User ;
use common\models\Subscription ;
use common\helpers\Price ;
use common\models\PointSaleDistribution ;
use DateTime;

class DistributionController extends BackendController 
{
    
    public function behaviors() 
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'actions' => ['report-cron'],
                        'allow' => true,
                        'roles' => ['?']
                    ],
                    [
                        'allow' => true,
                        'roles' => ['@'],
                        'matchCallback' => function ($rule, $action) {
                            return User::getCurrentStatus() == USER::STATUS_ADMIN 
                                || User::getCurrentStatus() == USER::STATUS_PRODUCER;
                        }
                    ]
                ],
            ],
        ];
    }
    
    public function actionIndex($date = '') 
    {   
        $this->checkProductsPointsSale() ;
        
        $format = 'Y-m-d' ;
        $theDate = '' ;
        $dateObject = DateTime::createFromFormat($format, $date);
        
        if($dateObject && $dateObject->format($format) === $date) {
            $theDate = $date ;
        }
        
        return $this->render('index', [
            'date' => $theDate
        ]) ;
    }
    
    public function actionAjaxInfos($date = '') 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $json = [
            'distribution' => [],
            'products' => []
        ] ;
        
        $format = 'Y-m-d' ;
        $dateObject = DateTime::createFromFormat($format, $date);
        
        $producer = Producer::getCurrent() ;
        $json['producer'] = [
            'credit' => $producer->credit
        ];
        
        $distributionsArray = Distribution::searchAll([
            'active' => 1
        ], [
            'conditions' => ['date > :date_begin','date < :date_end'],
            'params' => [':date_begin' => date('Y-m-d', strtotime('-1 month')), ':date_end' => date('Y-m-d', strtotime('+3 month')), ],
        ]) ;
        $json['distributions'] = $distributionsArray ;
        
        if($dateObject && $dateObject->format($format) === $date) {
            // distribution
            $distribution = Distribution::initDistribution($date) ;
            $json['distribution'] = [
                'id' => $distribution->id,
                'active' => $distribution->active,
                'url_report' => Yii::$app->urlManagerBackend->createUrl(['distribution/report','date' => $distribution->date]) 
            ] ;
            
            // commandes
            $ordersArray = Order::searchAll([
                'distribution.id' => $distribution->id,
            ],[
                'orderby' => 'user.lastname ASC, user.name ASC'
            ]);
            
            // montant et poids des commandes
            $revenues = 0;
            $weight = 0 ;
            if($ordersArray) {
                foreach ($ordersArray as $order) {
                    if(is_null($order->date_delete)) {
                        $revenues += $order->amount;
                        $weight += $order->weight;
                    }
                }
            }
            $json['distribution']['revenues'] = Price::format($revenues);
            $json['distribution']['weight'] = number_format($weight, 2);
            
            // products
            $productsArray = Product::find()
                ->orWhere(['id_producer' => Producer::getId(),])
                ->joinWith(['productDistribution' => function($query) use($distribution) {
                    $query->andOnCondition('product_distribution.id_distribution = '.$distribution->id) ;
                }])
                ->orderBy('product_distribution.active DESC, order ASC')
                ->asArray()
                ->all();
                
            $potentialRevenues = 0;
            $potentialWeight = 0;

            foreach($productsArray as &$theProduct) {
                $quantityOrder = Order::getProductQuantity($theProduct['id'], $ordersArray) ;
                $theProduct['quantity_ordered'] = $quantityOrder ;
                
                if(!isset($theProduct['productDistribution'][0])) {
                    $theProduct['productDistribution'][0] = $distribution->linkProduct($theProduct) ;
                }
                
                if(!is_numeric($theProduct['productDistribution'][0]['quantity_max'])) {
                    $theProduct['quantity_remaining'] = null  ;
                }
                else {
                    $theProduct['quantity_remaining'] = $theProduct['productDistribution'][0]['quantity_max'] - $quantityOrder ;
                }
                
                $theProduct['quantity_form'] = 0 ;    
                
                if($theProduct['productDistribution'][0]['active'] && $theProduct['productDistribution'][0]['quantity_max']) {
                    $potentialRevenues += $theProduct['productDistribution'][0]['quantity_max'] * $theProduct['price'];
                    $potentialWeight += $theProduct['productDistribution'][0]['quantity_max'] * $theProduct['weight'] / 1000;
                }
            }
            
            $json['distribution']['potential_revenues'] = Price::format($potentialRevenues) ;
            $json['distribution']['potential_weight'] =  number_format($potentialWeight, 2) ;
            
            $json['products'] = $productsArray ;
            
            // orders as array
            if($ordersArray) {
                foreach($ordersArray as &$order) {      
                    $productOrderArray = [] ;
                    foreach($order->productOrder as $productOrder) {
                        $productOrderArray[$productOrder->id_product] = [
                            'quantity' => $productOrder->quantity * Product::$unitsArray[$productOrder->unit]['coefficient'],
                            'unit' => $productOrder->unit,
                        ] ;
                    }
                    
                    /*$productOrderArray = \yii\helpers\ArrayHelper::map($order->productOrder, 'id_product', 'quantity') ;
                    */
                    
                    foreach($productsArray as $product) {
                        if(!isset($productOrderArray[$product['id']])) {
                            $productOrderArray[$product['id']] = [
                                'quantity' => 0,
                                'unit' => $product['unit']
                            ] ;
                        }
                    }
                    
                    $creditHistoryArray = [] ;
                    
                    foreach($order->creditHistory as $creditHistory) {
                        $creditHistoryArray[] = [
                            'date' => date('d/m/Y H:i:s', strtotime($creditHistory->date)),
                            'user_action' => $creditHistory->strUserAction(),
                            'wording' => $creditHistory->getStrWording(),
                            'debit' => ($creditHistory->isTypeDebit() ? '-&nbsp;'.$creditHistory->getAmount(Order::AMOUNT_TOTAL,true) : ''),
                            'credit' => ($creditHistory->isTypeCredit() ? '+&nbsp;'.$creditHistory->getAmount(Order::AMOUNT_TOTAL,true) : '')
                        ] ;
                    }
                    
                    $arrayCreditUser = [] ;
                    if(isset($order->user) && isset($order->user->userProducer)) {
                        $arrayCreditUser['credit'] = $order->user->userProducer[0]->credit ;
                    }
                    
                    $oneProductUnactivated = false ;
                    foreach($order->productOrder as $productOrder) {
                        foreach($productsArray as $product) {
                            if($productOrder->id_product == $product['id'] && !$product['productDistribution'][0]['active']) {
                                $oneProductUnactivated = true ;
                            }
                        }
                    }
                    
                    $order = array_merge($order->getAttributes(), [
                        'amount' => $order->getAmount(Order::AMOUNT_TOTAL),
                        'amount_paid' => $order->getAmount(Order::AMOUNT_PAID),
                        'amount_remaining' => $order->getAmount(Order::AMOUNT_REMAINING),
                        'amount_surplus' => $order->getAmount(Order::AMOUNT_SURPLUS),
                        'user' => (isset($order->user)) ? array_merge($order->user->getAttributes(), $arrayCreditUser) : null,
                        'pointSale' => ['id' => $order->pointSale->id, 'name' => $order->pointSale->name],
                        'productOrder' => $productOrderArray,
                        'creditHistory' => $creditHistoryArray,
                        'oneProductUnactivated' => $oneProductUnactivated
                    ]) ;
                }
            }
            
            $json['orders'] = $ordersArray ;
            
            // points de vente
            $pointsSaleArray = PointSale::find()
                ->joinWith(['pointSaleDistribution' => function($q) use ($distribution) {
                    $q->where(['id_distribution' => $distribution->id]);
                }])
                ->where([
                    'id_producer' => Producer::getId(),
                ])
                ->asArray()
                ->all();
                
            $idPointSaleDefault = 0 ;
            foreach($pointsSaleArray as $pointSale) {
                if($pointSale['default']) {
                    $idPointSaleDefault = $pointSale['id'] ;
                }
            }
                
            $json['points_sale'] = $pointsSaleArray ;
            
            // order create
            $productOrderArray = [] ;
            foreach($productsArray as $product) {
                $productOrderArray[$product['id']] = [
                    'quantity' => 0,
                    'unit' => $product['unit']
                ] ;
            }
            $json['order_create'] = [
                'id_point_sale' => $idPointSaleDefault,
                'id_user' => 0,
                'username' => '',
                'comment' => '',
                'productOrder' => $productOrderArray
            ] ;
            
            // utilisateurs
            $usersArray = User::findBy()->all() ;
            $json['users'] = $usersArray ;
            
            // 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 ;
            }
            
            $json['one_distribution_week_active'] = $oneDistributionWeekActive ;
            
        }
        
        return $json ;
    }
    
    /**
     * Génére un PDF récapitulatif des des commandes d'un producteur pour une 
     * date donnée (Méthode appelable via CRON)
     * 
     * @param string $date
     * @param boolean $save
     * @param integer $idProducer
     * @param string $key
     * @return PDF|null
     */
    public function actionReportCron($date = '', $save = false, $idProducer = 0, $key = '') 
    {
        if($key == '64ac0bdab7e9f5e48c4d991ec5201d57') {
            $this->actionReport($date, $save, $idProducer) ;
        }
    }
    
    /**
     * Génére un PDF récapitulatif des commandes d'un producteur pour une 
     * date donnée.
     * 
     * @param string $date
     * @param boolean $save
     * @param integer $idProducer
     * @return PDF|null
     */
    public function actionReport($date = '', $save = false, $idProducer = 0, $type = "pdf") 
    {
        if (!Yii::$app->user->isGuest) {
            $idProducer = Producer::getId() ;
        }
            
        $ordersArray = Order::searchAll([
            'distribution.date' => $date,
        ],
        [
            'orderby' => 'comment_point_sale ASC, user.name ASC',
            'conditions' => 'date_delete IS NULL'
        ]) ;
        
        $distribution = Distribution::searchOne([],[
            'conditions' => 'date LIKE :date',
            'params' => [':date' => $date]
        ]) ;
                
        if ($distribution) {
            $selectedProductsArray = ProductDistribution::searchByDistribution($distribution->id) ; 
            $pointsSaleArray = PointSale::searchAll() ;
                    
            foreach ($pointsSaleArray as $pointSale) {
                $pointSale->initOrders($ordersArray) ; 
            }

            // produits
            $productsArray = Product::find()
                ->joinWith(['productDistribution' => function($q) use ($distribution) {
                    $q->where(['id_distribution' => $distribution->id]);
                }])
                ->where([
                    'id_producer' => Producer::getId(),
                ])
                ->orderBy('order ASC')
                ->all();
            
            if($type == 'pdf') {
                // get your HTML raw content without any layouts or scripts
                $content = $this->renderPartial('report', [
                    'date' => $date,
                    'distribution' => $distribution,
                    'selectedProductsArray' => $selectedProductsArray,
                    'pointsSaleArray' => $pointsSaleArray,
                    'productsArray' => $productsArray,
                    'ordersArray' => $ordersArray
                ]);

                $dateStr = date('d/m/Y', strtotime($date));

                if ($save) {
                    $destination = Pdf::DEST_FILE;
                } else {
                    $destination = Pdf::DEST_BROWSER;
                }

                $pdf = new Pdf([
                    // set to use core fonts only
                    'mode' => Pdf::MODE_UTF8,
                    // A4 paper format
                    'format' => Pdf::FORMAT_A4,
                    // portrait orientation
                    'orientation' => Pdf::ORIENT_PORTRAIT,
                    // stream to browser inline
                    'destination' => $destination,
                    'filename' => Yii::getAlias('@app/web/pdf/Commandes-' . $date . '-' . $idProducer . '.pdf'),
                    // your html content input
                    'content' => $content,
                    // format content from your own css file if needed or use the
                    // enhanced bootstrap css built by Krajee for mPDF formatting 
                    //'cssFile' => '@vendor/kartik-v/yii2-mpdf/assets/kv-mpdf-bootstrap.min.css',
                    // any css to be embedded if required
                    //'cssInline' => '.kv-heading-1{font-size:18px}', 
                    // set mPDF properties on the fly
                    //'options' => ['title' => 'Krajee Report Title'],
                    // call mPDF methods on the fly
                    'methods' => [
                        'SetHeader' => ['Commandes du ' . $dateStr],
                        'SetFooter' => ['{PAGENO}'],
                    ]
                ]);

                // return the pdf output as per the destination setting
                return $pdf->render();
            }
            
            elseif($type == 'csv') {
                $datas = [];
                
                // produits en colonne
                $productsNameArray = [''] ;
                $productsIndexArray = [] ;
                $cpt = 1 ;
                foreach ($productsArray as $product) {
                    $quantity = Order::getProductQuantity($product->id, $ordersArray);
                    if($quantity) {
                        $productsNameArray[] = $product->name ;
                        $productsIndexArray[$product->id] = $cpt ++ ;
                    }
                }
                $datas[] = $productsNameArray ;
                
                // points de vente
                foreach ($pointsSaleArray as $pointSale) {
                    if (count($pointSale->orders)) {
                        // listing commandes
                        $datas[] = ['> '.$pointSale->name] ;
                        foreach($pointSale->orders as $order) {
                            $orderLine = [$order->getStrUser()] ;
                            foreach($order->productOrder as $productOrder) {
                                $orderLine[$productsIndexArray[$productOrder->id_product]] = $productOrder->quantity . ' '.Product::strUnit($productOrder->unit, 'wording_short', true);
                            }
                            $datas[] = $this->_lineOrderReportCSV($orderLine, $cpt) ;
                        }
                        
                        // total point de vente
                        $totalsPointSaleArray = ['Total'] ;
                        foreach ($productsArray as $product) {
                            foreach(Product::$unitsArray as $unit => $dataUnit) {
                                $quantity = Order::getProductQuantity($product->id, $pointSale->orders, false, $unit);
                                if ($quantity) {
                                    $index = $productsIndexArray[$product->id] ;
                                    if(!isset($totalsPointSaleArray[$index])) {
                                        $totalsPointSaleArray[$index] = '' ;
                                    }
                                    $totalsPointSaleArray[$index] .= $quantity . ' '.Product::strUnit($unit, 'wording_short', true).' ';
                                }
                            }
                        }
                        
                        $datas[] = $this->_lineOrderReportCSV($totalsPointSaleArray, $cpt) ;
                        $datas[] = [] ;
                    }
                }
                
                // global 
                $totalsGlobalArray = ['> Totaux'] ;
                foreach ($productsArray as $product) {
                    foreach(Product::$unitsArray as $unit => $dataUnit) {
                        $quantity = Order::getProductQuantity($product->id, $ordersArray, false, $unit);
                        if ($quantity) {
                            $index = $productsIndexArray[$product->id] ;
                            if(!isset($totalsGlobalArray[$index])) {
                                $totalsGlobalArray[$index] = '' ;
                            }
                            $totalsGlobalArray[$index] .= $quantity . ' '.Product::strUnit($unit, 'wording_short', true).' ';
                        }
                    }
                }

                $datas[] = $this->_lineOrderReportCSV($totalsGlobalArray, $cpt) ;
                
                CSV::downloadSendHeaders('Commandes_'.$date.'.csv');
                echo CSV::array2csv($datas);
                die();
            }
        }
        
        return null ;
    }
    
    public function _lineOrderReportCSV($orderLine, $cptMax) 
    {
        $line = [] ;
        for($i = 0; $i <= $cptMax ; $i++) {
            if(isset($orderLine[$i]) && $orderLine[$i]) {
                $line[] = $orderLine[$i] ;
            }
            else {
                $line[]  = '' ;
            }
        }

        return $line ;
    }
    
    public function actionAjaxProcessProductQuantityMax($idDistribution, $idProduct, $quantityMax) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $productDistribution = ProductDistribution::searchOne([
            'id_distribution' => $idDistribution,
            'id_product' => $idProduct,
        ]) ;
        
        $productDistribution->quantity_max = (!$quantityMax) ? null : (int) $quantityMax ;
        
        $productDistribution->save() ;
        
        return ['success'] ;
    }
    
    public function actionAjaxProcessActiveProduct($idDistribution, $idProduct, $active) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $productDistribution = ProductDistribution::searchOne([
            'id_distribution' => $idDistribution,
            'id_product' => $idProduct,
        ]) ;
        $productDistribution->active = $active ;
        $productDistribution->save() ;
        
        return ['success'] ;
    }
    
    public function actionAjaxProcessActivePointSale($idDistribution, $idPointSale, $delivery) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $pointSaleDistribution = PointSaleDistribution::searchOne([
            'id_distribution' => $idDistribution,
            'id_point_sale' => $idPointSale,
        ]) ;
        $pointSaleDistribution->delivery = $delivery ;
        $pointSaleDistribution->save() ;
        
        return ['success'] ;
    }
    
    /**
     * Active/désactive un jour de distribution.
     * 
     * @param integer $idDistribution
     * @param string $date
     * @param boolean $active
     * @return array
     */
    public function actionAjaxProcessActiveDistribution($idDistribution = 0, $date = '', $active) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        if($idDistribution) {
            $distribution = Distribution::searchOne([
                'id' => $idDistribution
            ]) ;
        }
        
        $format = 'Y-m-d' ;
        $dateObject = DateTime::createFromFormat($format, $date);
        if($dateObject && $dateObject->format($format) === $date) {
            $distribution = Distribution::initDistribution($date) ;
        }
        
        if($distribution) {
            $distribution->active($active) ;
            return ['success'] ;
        }
        
        return ['error'] ;
    }
    
    /**
     * Change l'état d'une semaine de production (activé, désactivé).
     * 
     * @param string $date
     * @param integer $active
     */
    public function actionAjaxProcessActiveWeekDistribution($date, $active) 
    {    
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        
        $week = sprintf('%02d',date('W',strtotime($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->actionAjaxProcessActiveDistribution(0, $dateMonday, $active) ;
        }
        if($activeTuesday || !$active) {
            $this->actionAjaxProcessActiveDistribution(0, $dateTuesday, $active) ;
        }
        if($activeWednesday || !$active) {
            $this->actionAjaxProcessActiveDistribution(0, $dateWednesday, $active) ;
        }
        if($activeThursday || !$active) {
            $this->actionAjaxProcessActiveDistribution(0, $dateThursday, $active) ;
        }
        if($activeFriday || !$active) {
            $this->actionAjaxProcessActiveDistribution(0, $dateFriday, $active) ;
        }
        if($activeSaturday || !$active) {
            $this->actionAjaxProcessActiveDistribution(0, $dateSaturday, $active) ;
        }
        if($activeSunday || !$active) {
            $this->actionAjaxProcessActiveDistribution(0, $dateSunday, $active) ;
        }

        return ['success'] ;
    }
    
    /**
     * Ajoute les commandes récurrentes pour une date donnée.
     * 
     * @param string $date
     */
    public function actionAjaxProcessAddSubscriptions($date) 
    {
        \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        Subscription::addAll($date, true);
        return ['success'] ;
    }
    
}