<?php

require_once('View.php');

class OrderView extends View {
    
    public function __construct() {
        parent::__construct();
        $this->design->smarty->registerPlugin("function", "checkout_form", array($this, 'checkout_form'));
    }
    
    public function fetch() {
        // Скачивание файла
        if($this->request->get('file')) {
            return $this->download();
        } else {
            return $this->fetch_order();
        }
    }

    /*Отображение оформленного заказа*/
    public function fetch_order() {
        if($url = $this->request->get('url', 'string')) {
            $order = $this->orders->get_order((string)$url);
        } elseif(!empty($_SESSION['order_id'])) {
            $order = $this->orders->get_order(intval($_SESSION['order_id']));
        } else {
            return false;
        }
        
        if(!$order) {
            return false;
        }
        
        $purchases = $this->orders->get_purchases(array('order_id'=>intval($order->id)));
        if(!$purchases) {
            return false;
        }
        /*Выбор другого способа оплаты*/
        if($this->request->method('post')) {
            if($payment_method_id = $this->request->post('payment_method_id', 'integer')) {
                $this->orders->update_order($order->id, array('payment_method_id'=>$payment_method_id));
                $order = $this->orders->get_order((integer)$order->id);
            } elseif($this->request->post('reset_payment_method')) {
                $this->orders->update_order($order->id, array('payment_method_id'=>null));
                $order = $this->orders->get_order((integer)$order->id);
            }
        }
        
        $products_ids = array();
        $variants_ids = array();
        foreach($purchases as $purchase) {
            $products_ids[] = $purchase->product_id;
            $variants_ids[] = $purchase->variant_id;
        }
        $products = array();
        foreach($this->products->get_products(array('id'=>$products_ids,'limit' => count($products_ids))) as $p) {
            $products[$p->id] = $p;
        }
        
        $images = $this->products->get_images(array('product_id'=>$products_ids));
        foreach($images as $image) {
            $products[$image->product_id]->images[] = $image;
        }
        
        $variants = array();
        foreach($this->variants->get_variants(array('id'=>$variants_ids)) as $v) {
            $variants[$v->id] = $v;
        }
        
        foreach($variants as $variant) {
            $products[$variant->product_id]->variants[] = $variant;
        }
        
        foreach($purchases as $purchase) {
            if(!empty($products[$purchase->product_id])) {
                $purchase->product = $products[$purchase->product_id];
            }
            if(!empty($variants[$purchase->variant_id])) {
                $purchase->variant = $variants[$purchase->variant_id];
            }
        }
        $order->coupon = $this->coupons->get_coupon($order->coupon_code);
        if($order->coupon && $order->coupon->valid && $order->total_price>=$order->coupon->min_order_price) {
            if($order->coupon->type=='absolute') {
                // Абсолютная скидка не более суммы заказа
                $order->coupon->coupon_percent = round(100-($order->total_price*100)/($order->total_price+$order->coupon->value),2);
            } else {
                $order->coupon->coupon_percent = $order->coupon->value;
            }
        }
        // Способ доставки
        $delivery = $this->delivery->get_delivery($order->delivery_id);
        $this->design->assign('delivery', $delivery);
        $order_status = $this->orderstatus->get_status(array("status"=>intval($order->status_id)));
        $this->design->assign('order_status', reset($order_status));
        $this->design->assign('order', $order);
        $this->design->assign('purchases', $purchases);
        
        // Способ оплаты
        if($order->payment_method_id) {
            $payment_method = $this->payment->get_payment_method($order->payment_method_id);
            $this->design->assign('payment_method', $payment_method);
        }
        
        // Варианты оплаты
        $payment_methods = $this->payment->get_payment_methods(array('delivery_id'=>$order->delivery_id, 'enabled'=>1));
        $this->design->assign('payment_methods', $payment_methods);
        
        // Все валюты
        $this->design->assign('all_currencies', $this->money->get_currencies());
        
        // Выводим заказ
        return $this->body = $this->design->fetch('order.tpl');
    }

    /*Скачивание цифрового товара*/
    private function download() {
        $file = $this->request->get('file');
        
        if(!$url = $this->request->get('url', 'string')) {
            return false;
        }
        
        $order = $this->orders->get_order((string)$url);
        if(!$order) {
            return false;
        }
        
        if(!$order->paid) {
            return false;
        }
        
        // Проверяем, есть ли такой файл в покупках
        $query = $this->db->placehold("SELECT p.id FROM __purchases p, __variants v WHERE p.variant_id=v.id AND p.order_id=? AND v.attachment=?", $order->id, $file);		$this->db->query($query);
        if($this->db->num_rows()==0) {
            return false;
        }
        
        header("Content-type: application/force-download");
        header("Content-Disposition: attachment; filename=\"$file\"");
        header("Content-Length: ".filesize($this->config->root_dir.$this->config->downloads_dir.$file));
        readfile($this->config->root_dir.$this->config->downloads_dir.$file);
        
        exit();
    }

    /*Подлючение формы оплаты для выбранного способа*/
    public function checkout_form($params, &$smarty) {
        $module_name = preg_replace("/[^A-Za-z0-9]+/", "", $params['module']);
        
        $form = '';
        if(!empty($module_name) && is_file("payment/$module_name/$module_name.php")) {
            include_once("payment/$module_name/$module_name.php");
            $module = new $module_name();
            $form = $module->checkout_form($params['order_id'], $params['button_text']);
            $tpl ="tpls/".$this->settings->theme."/html/payments_form.tpl";
            if(!empty($form)) {
                foreach ($form as $var => $val) {
                    $this->design->assign($var, $val);
                }
            }
            $this->design->assign('payment_module',$module_name);
        }
        if(!empty($tpl) && !empty($form)){
            return $this->design->fetch($tpl);
        } else{
            return false;
        }
    }
    
}