diff --git a/Contracts/IBoxingCalculation.php b/Contracts/IBoxingCalculation.php
new file mode 100644
index 0000000..06e1335
--- /dev/null
+++ b/Contracts/IBoxingCalculation.php
@@ -0,0 +1,10 @@
+<?php
+
+
+namespace App\Contracts;
+
+
+interface IBoxingCalculation
+{
+    public function calculate(IShippingBox $boxing_properties):IPrice;
+}
\ No newline at end of file
diff --git a/Contracts/ICalculate.php b/Contracts/ICalculate.php
new file mode 100644
index 0000000..4df81ed
--- /dev/null
+++ b/Contracts/ICalculate.php
@@ -0,0 +1,10 @@
+<?php
+
+
+namespace App\Contracts;
+
+
+interface ICalculate
+{
+    public function calculate():IPrice;
+}
\ No newline at end of file
diff --git a/Contracts/ICalculationsBuilder.php b/Contracts/ICalculationsBuilder.php
new file mode 100644
index 0000000..0e1f3ed
--- /dev/null
+++ b/Contracts/ICalculationsBuilder.php
@@ -0,0 +1,10 @@
+<?php
+namespace App\Contracts;
+
+interface ICalculationsBuilder
+{
+    public function useOrderTotal():ICountryShippingCalc;
+    public function useShippingDiscounts(ICountryShippingCalc $calculations_component):ICountryShippingCalc;
+    public function useBoxPricing():IBoxingCalculation;
+    public function makeCalculations(ICountryShippingCalc $calculations_component, IBoxingCalculation $boxing_component):IPrice;
+}
\ No newline at end of file
diff --git a/Contracts/ICountryShippingCalc.php b/Contracts/ICountryShippingCalc.php
new file mode 100644
index 0000000..1727154
--- /dev/null
+++ b/Contracts/ICountryShippingCalc.php
@@ -0,0 +1,7 @@
+<?php
+namespace App\Contracts;
+
+interface ICountryShippingCalc
+{
+     public function calculate(IShippingOrder $order):IPrice;
+}
\ No newline at end of file
diff --git a/Contracts/ICustomBox.php b/Contracts/ICustomBox.php
new file mode 100644
index 0000000..880b6f1
--- /dev/null
+++ b/Contracts/ICustomBox.php
@@ -0,0 +1,7 @@
+<?php
+namespace App\Contracts;
+
+interface ICustomBox
+{
+    public function setPrice(IPrice $price);
+}
\ No newline at end of file
diff --git a/Contracts/IPrice.php b/Contracts/IPrice.php
new file mode 100644
index 0000000..ea0c137
--- /dev/null
+++ b/Contracts/IPrice.php
@@ -0,0 +1,10 @@
+<?php
+namespace App\Contracts;
+
+interface IPrice {
+    public function __construct(float $value);
+    public function getValue();
+    public function getCurrencyCode();
+    public function getFomatedValue();
+    public function add(IPrice $value):IPrice;
+}
\ No newline at end of file
diff --git a/Contracts/IShippingBox.php b/Contracts/IShippingBox.php
new file mode 100644
index 0000000..5aaddff
--- /dev/null
+++ b/Contracts/IShippingBox.php
@@ -0,0 +1,10 @@
+<?php
+
+
+namespace App\Contracts;
+
+
+interface IShippingBox
+{
+    public function getType():string;
+}
\ No newline at end of file
diff --git a/Contracts/IShippingOrder.php b/Contracts/IShippingOrder.php
new file mode 100644
index 0000000..30d3f11
--- /dev/null
+++ b/Contracts/IShippingOrder.php
@@ -0,0 +1,13 @@
+<?php
+namespace App\Contracts;
+
+interface IShippingOrder
+{
+    public function getCountry();
+    public function getTotalPl();
+    public function getTotalUk();
+    public function getTotalUs();
+    public function getShippingDiscount();
+
+    public function getBoxingProperties():IShippingBox;
+}
\ No newline at end of file
diff --git a/Countries.php b/Countries.php
new file mode 100644
index 0000000..79c2922
--- /dev/null
+++ b/Countries.php
@@ -0,0 +1,14 @@
+<?php
+
+
+namespace App;
+
+
+class Countries
+{
+    public const PL = "PL";
+    public const UK = "UK";
+    public const US = "US";
+    public const NIGERIA = "NIGERIA";
+
+}
\ No newline at end of file
diff --git a/Currencies.php b/Currencies.php
new file mode 100644
index 0000000..31c3dbf
--- /dev/null
+++ b/Currencies.php
@@ -0,0 +1,13 @@
+<?php
+
+
+namespace App;
+
+
+class Currencies
+{
+    public const PLN = "PLN";
+    public const GBP = "GBP";
+    public const US = "$";
+    public const ETH = "ETH";
+}
\ No newline at end of file
diff --git a/Main.php b/Main.php
index 89ca71f..893d2d1 100644
--- a/Main.php
+++ b/Main.php
@@ -1,14 +1,36 @@
 <?php
 namespace App;
 
+use App\Contracts\IShippingBox;
+use App\Contracts\IShippingOrder;
+use App\Orders\BoxingPropertiesAdapter;
 use App\Orders\Order;
+use App\Orders\ShippingOrderAdapter;
+use App\Shipping\CountryCalculators\CountryCalcFactory;
 use App\Shipping\ShippingCostCalculator;
+use App\Contracts\IPrice;
 
 class Main
 {
-    public function start($country_code, $total)
+    public function start($country_code, $total, $discount = 0, $box_type = 'DEFAULT')
     {
-        $order = new Order($country_code, $total);
-        return $shipping_cost = (new ShippingCostCalculator())->calculate($order);
+        $immutable_order = $this->getOrder($country_code, $total, $discount, $box_type);
+        $order_adapter = new ShippingOrderAdapter($immutable_order);
+        $boxing_properties = new BoxingPropertiesAdapter($immutable_order);
+
+        $shipping_cost = $this->makeShippingCalcultions($order_adapter, $boxing_properties);
+
+        return $shipping_cost->getFomatedValue();
+    }
+
+    private function getOrder($country_code, $total, $discount = 0, $premium_box = false):Order
+    {
+        return new Order($country_code, $total, $discount, $premium_box);
+    }
+
+    private function makeShippingCalcultions(IShippingOrder $order_adapter, IShippingBox $boxing_properties):IPrice
+    {
+        $calculator_facade = new ShippingCostCalculator();
+        return $calculator_facade->calculate($order_adapter, $boxing_properties);
     }
 }
\ No newline at end of file
diff --git a/Orders/BoxingPropertiesAdapter.php b/Orders/BoxingPropertiesAdapter.php
new file mode 100644
index 0000000..0ebab09
--- /dev/null
+++ b/Orders/BoxingPropertiesAdapter.php
@@ -0,0 +1,24 @@
+<?php
+
+
+namespace App\Orders;
+
+
+use App\Contracts\IShippingBox;
+
+class BoxingPropertiesAdapter implements IShippingBox
+{
+    private Order $order;
+
+    public function __construct(Order $order)
+    {
+        $this->order = $order;
+    }
+
+     public function getType(): string
+    {
+        //remember we are working with dummy data
+        //probably in real situtation you will get the type from database using the order_id
+        return $this->order->boxType();
+    }
+}
\ No newline at end of file
diff --git a/Orders/Order.php b/Orders/Order.php
index 08134e6..744cbb1 100644
--- a/Orders/Order.php
+++ b/Orders/Order.php
@@ -15,11 +15,15 @@ class Order
 {
     private $country = "PL";
     private $total = 50;
+    private $shipping_discount = 0;
+    private $box_type = "DEFAULT";
 
-    public function __construct($country_code, $total)
+    public function __construct($country_code, $total, $shipping_discount, $box_type)
     {
         $this->country = $country_code;
         $this->total = $total;
+        $this->shipping_discount = $shipping_discount;
+        $this->box_type = $box_type;
     }
 
     public function getCountry()
@@ -48,7 +52,7 @@ public function getClientDiscount(){
 
     public function getClientShippingDiscountPL()
     {
-        return 10;
+        return $this->shipping_discount;
     }
 
     public function getClientShippingDiscountEU()
@@ -60,4 +64,11 @@ public function getClientShippingDiscountWORLD()
     {
         return 0;
     }
+
+    public function boxType()
+    {
+        return $this->box_type;
+    }
+    //please assume that there will be a lot more of code inside of this class
+    //imagine the worst code which you ever seen... this one is worse
 }
\ No newline at end of file
diff --git a/Orders/ShippingOrderAdapter.php b/Orders/ShippingOrderAdapter.php
new file mode 100644
index 0000000..3ae3aff
--- /dev/null
+++ b/Orders/ShippingOrderAdapter.php
@@ -0,0 +1,61 @@
+<?php
+
+
+namespace App\Orders;
+
+
+use App\Contracts\IShippingBox;
+use App\Contracts\IShippingClient;
+use App\Contracts\IShippingOrder;
+
+class ShippingOrderAdapter implements IShippingOrder
+{
+    private Order $order;
+    private IShippingBox $boxing;
+
+    public function __construct($order)
+    {
+        $this->order = $order;
+        $this->boxing = new BoxingPropertiesAdapter($order);
+    }
+
+    public function getCountry()
+    {
+        return $this->order->getCountry();
+    }
+
+    public function getTotalPl()
+    {
+        return $this->order->getTotalPl();
+    }
+
+    public function getTotalUk()
+    {
+        return $this->order->getTotalUk();
+    }
+
+    public function getTotalUs()
+    {
+        return $this->order->getTotalUs();
+    }
+
+    public function getShippingDiscount()
+    {
+       switch($this->order->getCountry())
+       {
+           case "PL":
+               return $this->order->getClientShippingDiscountPL();
+           case "UK":
+               return $this->order->getClientShippingDiscountEU();
+           case "US":
+               return $this->order->getClientShippingDiscountWORLD();
+           default:
+               return $this->order->getClientShippingDiscountWORLD();
+       }
+    }
+
+    public function getBoxingProperties(): IShippingBox
+    {
+        return $this->boxing;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/CalculationsDirector.php b/Shipping/CalculationsDirector.php
new file mode 100644
index 0000000..66b47e6
--- /dev/null
+++ b/Shipping/CalculationsDirector.php
@@ -0,0 +1,33 @@
+<?php
+
+
+namespace App\Shipping;
+
+
+use App\Contracts\ICalculate;
+use App\Contracts\ICalculationsBuilder;
+use App\Contracts\IPrice;
+
+class CalculationsDirector implements ICalculate
+{
+    private ICalculationsBuilder $calc_builder;
+
+    public function __construct(ICalculationsBuilder $calc_builder)
+    {
+        $this->calc_builder = $calc_builder;
+    }
+
+    public function calculate():IPrice
+    {
+        //this is the main shipping cost calculation
+        $calculator = $this->calc_builder->useOrderTotal();
+
+        //these has to be always calculated as first after total order value
+        $discount_decorations = $this->calc_builder->useShippingDiscounts($calculator);
+
+        //other calculations
+        $boxing_decorations = $this->calc_builder->useBoxPricing();
+
+        return $this->calc_builder->makeCalculations($discount_decorations, $boxing_decorations);
+    }
+}
\ No newline at end of file
diff --git a/Shipping/CommonCalculations/AdditionalCalc.php b/Shipping/CommonCalculations/AdditionalCalc.php
new file mode 100644
index 0000000..4b02d27
--- /dev/null
+++ b/Shipping/CommonCalculations/AdditionalCalc.php
@@ -0,0 +1,30 @@
+<?php
+
+
+namespace App\Shipping\CommonCalculations;
+use \App\Contracts\ICountryShippingCalc;
+
+use App\Contracts\IPrice;
+use App\Contracts\IShippingOrder;
+use App\Shipping\PriceFactory;
+
+abstract class AdditionalCalc implements ICountryShippingCalc
+{
+
+    protected ICountryShippingCalc $calc;
+    protected $price_factory ;
+
+    public function __construct(ICountryShippingCalc $calculations_component)
+    {
+        $this->calc = $calculations_component;
+        $this->price_factory = new PriceFactory();
+    }
+
+    public function calculate(IShippingOrder $order): IPrice
+    {
+        $shipping_cost = $this->calc->calculate($order);
+        return $this->decorate($shipping_cost, $order);
+    }
+
+    abstract protected function decorate(IPrice $shipping_cost, IShippingOrder $order): IPrice;
+}
\ No newline at end of file
diff --git a/Shipping/CommonCalculations/BoxPricing/DefaultBox.php b/Shipping/CommonCalculations/BoxPricing/DefaultBox.php
new file mode 100644
index 0000000..cfad859
--- /dev/null
+++ b/Shipping/CommonCalculations/BoxPricing/DefaultBox.php
@@ -0,0 +1,29 @@
+<?php
+
+
+namespace App\Shipping\CommonCalculations\BoxPricing;
+
+use App\Contracts\IBoxingCalculation;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingBox;
+use App\Shipping\PriceFactory;
+
+abstract class DefaultBox implements IBoxingCalculation
+{
+    protected $price_factory ;
+
+    abstract protected function getCountryPrice();
+    abstract protected function getCurrency();
+
+    public function __construct()
+    {
+        $this->price_factory = new PriceFactory();
+    }
+
+    public function calculate(IShippingBox $boxing_properties): IPrice
+    {
+        return $this->price_factory->create($this->getCurrency(), $this->getCountryPrice());
+    }
+
+
+}
\ No newline at end of file
diff --git a/Shipping/CommonCalculations/BoxPricing/PremiumBox.php b/Shipping/CommonCalculations/BoxPricing/PremiumBox.php
new file mode 100644
index 0000000..d0db2d8
--- /dev/null
+++ b/Shipping/CommonCalculations/BoxPricing/PremiumBox.php
@@ -0,0 +1,45 @@
+<?php
+
+
+namespace App\Shipping\CommonCalculations\BoxPricing;
+
+
+use App\Contracts\IBoxingCalculation;
+use App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingBox;
+use App\Contracts\IShippingOrder;
+use App\Shipping\PriceFactory;
+
+
+abstract class PremiumBox implements IBoxingCalculation
+{
+    abstract protected function getCurrentType();
+    abstract protected function getCountryPrice();
+    protected IBoxingCalculation $default_price;
+
+    protected $price_factory ;
+
+    public function __construct(IBoxingCalculation $calculations_component)
+    {
+        $this->default_price = $calculations_component;
+        $this->price_factory = new PriceFactory();
+    }
+
+    public function calculate(IShippingBox $boxing_properties): IPrice
+    {
+        $shipping_cost = $this->default_price->calculate($boxing_properties);
+        return $this->decorate($shipping_cost, $boxing_properties);
+    }
+
+    protected function decorate(IPrice $shipping_cost, IShippingBox $boxing_properties):IPrice
+    {
+        if($boxing_properties->getType() ===  $this->getCurrentType())
+        {
+            $price_summary = $shipping_cost->getValue() + $this->getCountryPrice();
+            $shipping_cost = $this->price_factory->create($shipping_cost->getCurrencyCode(), $price_summary);
+        }
+
+        return $shipping_cost;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/CommonCalculations/CalculationsBuilder.php b/Shipping/CommonCalculations/CalculationsBuilder.php
new file mode 100644
index 0000000..95cf376
--- /dev/null
+++ b/Shipping/CommonCalculations/CalculationsBuilder.php
@@ -0,0 +1,46 @@
+<?php
+namespace App\Shipping\CommonCalculations;
+
+use App\Contracts\IBoxingCalculation;
+use App\Contracts\ICalculationsBuilder;
+use App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingBox;
+use App\Contracts\IShippingOrder;
+
+
+abstract class CalculationsBuilder implements ICalculationsBuilder
+{
+    protected IShippingOrder $order;
+    protected ICountryShippingCalc $order_total;
+    protected IShippingBox $boxing_properties;
+
+    public function __construct(IShippingOrder $order, ICountryShippingCalc $order_total, IShippingBox $boxing_properties)
+    {
+        $this->order = $order;
+        $this->order_total = $order_total;
+        $this->boxing_properties = $boxing_properties;
+    }
+
+    public function useShippingDiscounts(ICountryShippingCalc $calculations_component):ICountryShippingCalc
+    {
+        $free_days_decorator = new FreeDeliveryDays($calculations_component);
+        $client_discount_decorator =  new ClientShippingDiscount($free_days_decorator);
+
+        return $client_discount_decorator;
+    }
+
+    public function useOrderTotal():ICountryShippingCalc
+    {
+        return $this->order_total;
+    }
+
+    public function makeCalculations(ICountryShippingCalc $calculations_component, IBoxingCalculation $boxing_component): IPrice
+    {
+        $shipping_cost = $calculations_component->calculate($this->order);
+        $boxing_cost =  $boxing_component->calculate($this->boxing_properties);
+
+        //todo
+        return $shipping_cost->add($boxing_cost);
+    }
+}
\ No newline at end of file
diff --git a/Shipping/CommonCalculations/ClientShippingDiscount.php b/Shipping/CommonCalculations/ClientShippingDiscount.php
new file mode 100644
index 0000000..8ef0738
--- /dev/null
+++ b/Shipping/CommonCalculations/ClientShippingDiscount.php
@@ -0,0 +1,26 @@
+<?php
+namespace App\Shipping\CommonCalculations;
+
+use \App\Contracts\ICountryShippingCalc;
+use \App\Contracts\IShippingOrder;
+use \App\Contracts\IPrice;
+use \App\Shipping\Price\PriceFactory;
+
+class ClientShippingDiscount extends AdditionalCalc
+{
+    protected function decorate(IPrice $shipping_cost, IShippingOrder $order):IPrice
+    {
+        if($order->getShippingDiscount() > 0 )
+        {
+            if($order->getShippingDiscount() >= $shipping_cost->getValue())
+            {
+                $shipping_cost = $this->price_factory->create($shipping_cost->getCurrencyCode(), 0);
+            } else {
+                $after_discount = $shipping_cost->getValue() - $order->getShippingDiscount();
+                $shipping_cost = $this->price_factory->create($shipping_cost->getCurrencyCode(), $after_discount);
+            }
+        }
+
+        return $shipping_cost;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/CommonCalculations/FreeDeliveryDays.php b/Shipping/CommonCalculations/FreeDeliveryDays.php
new file mode 100644
index 0000000..ef24704
--- /dev/null
+++ b/Shipping/CommonCalculations/FreeDeliveryDays.php
@@ -0,0 +1,28 @@
+<?php
+
+
+namespace App\Shipping\CommonCalculations;
+
+
+use App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingOrder;
+use App\Shipping\Price\PriceFactory;
+
+class FreeDeliveryDays extends AdditionalCalc
+{
+    protected function decorate(IPrice $shipping_cost, IShippingOrder $order):IPrice
+    {
+        if($this->isSpecialDay())
+        {
+            $shipping_cost = $this->price_factory->create($shipping_cost->getCurrencyCode(), 0);
+        }
+
+        return $shipping_cost;
+    }
+
+    private function isSpecialDay()
+    {
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/CommonCalculations/Price.php b/Shipping/CommonCalculations/Price.php
new file mode 100644
index 0000000..9845687
--- /dev/null
+++ b/Shipping/CommonCalculations/Price.php
@@ -0,0 +1,23 @@
+<?php
+
+
+namespace App\Shipping\CommonCalculations;
+
+
+use App\Contracts\IPrice;
+
+abstract class Price implements \App\Contracts\IPrice
+{
+    protected $value;
+
+    public function add(IPrice $value): IPrice
+    {
+        if($value->getCurrencyCode() === $this->getCurrencyCode())
+        {
+            $this->value = $value->getValue() + $this->getValue();
+            return $this;
+        }
+
+        throw new \Exception("Trying to add different currencies is not allowed");
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/OtherCountries/BoxPricing/DefaultBoxWorld.php b/Shipping/Countries/OtherCountries/BoxPricing/DefaultBoxWorld.php
new file mode 100644
index 0000000..d12b72c
--- /dev/null
+++ b/Shipping/Countries/OtherCountries/BoxPricing/DefaultBoxWorld.php
@@ -0,0 +1,20 @@
+<?php
+
+
+namespace App\Shipping\Countries\OtherCountries\BoxPricing;
+
+use App\Currencies;
+use App\Shipping\CommonCalculations\BoxPricing\DefaultBox;
+
+class DefaultBoxWorld extends DefaultBox
+{
+    protected function getCountryPrice()
+    {
+        return 0;
+    }
+
+    protected function getCurrency()
+    {
+        return Currencies::ETH;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/OtherCountries/BoxPricing/PremiumBoxWorld.php b/Shipping/Countries/OtherCountries/BoxPricing/PremiumBoxWorld.php
new file mode 100644
index 0000000..5756bc6
--- /dev/null
+++ b/Shipping/Countries/OtherCountries/BoxPricing/PremiumBoxWorld.php
@@ -0,0 +1,20 @@
+<?php
+
+
+namespace App\Shipping\Countries\OtherCountries\BoxPricing;
+
+use App\Shipping\CommonCalculations\BoxPricing\PremiumBox;
+
+
+class PremiumBoxWorld extends PremiumBox
+{
+    protected function getCurrentType()
+    {
+        return "PREMIUM_BOX";
+    }
+
+    protected function getCountryPrice()
+    {
+        return 17;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/OtherCountries/CalculationsBuilderWorld.php b/Shipping/Countries/OtherCountries/CalculationsBuilderWorld.php
new file mode 100644
index 0000000..ce2f699
--- /dev/null
+++ b/Shipping/Countries/OtherCountries/CalculationsBuilderWorld.php
@@ -0,0 +1,19 @@
+<?php
+namespace App\Shipping\Countries\OtherCountries;
+
+use App\Contracts\IBoxingCalculation;
+use App\Shipping\CommonCalculations\CalculationsBuilder;
+use App\Shipping\Countries\OtherCountries\BoxPricing\DefaultBoxWorld;
+use App\Shipping\Countries\OtherCountries\BoxPricing\PremiumBoxWorld;
+
+
+class CalculationsBuilderWorld extends CalculationsBuilder
+{
+    public function useBoxPricing():IBoxingCalculation
+    {
+        $default_box = new DefaultBoxWorld($this->boxing_properties);
+        $box_price_decorator = new PremiumBoxWorld($default_box);
+
+        return $box_price_decorator;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/OtherCountries/OrderTotalWorld.php b/Shipping/Countries/OtherCountries/OrderTotalWorld.php
new file mode 100644
index 0000000..d0d1b35
--- /dev/null
+++ b/Shipping/Countries/OtherCountries/OrderTotalWorld.php
@@ -0,0 +1,18 @@
+<?php
+
+
+namespace App\Shipping\Countries\OtherCountries;
+
+use \App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingOrder;
+use App\Shipping\Price\PriceUs;
+
+class OrderTotalWorld implements ICountryShippingCalc
+{
+    public function calculate(IShippingOrder $order): IPrice
+    {
+        //we don't care for the order total value, always add shipping cost
+        return new PriceWorld(299);
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/OtherCountries/PriceWorld.php b/Shipping/Countries/OtherCountries/PriceWorld.php
new file mode 100644
index 0000000..7f75395
--- /dev/null
+++ b/Shipping/Countries/OtherCountries/PriceWorld.php
@@ -0,0 +1,31 @@
+<?php
+namespace App\Shipping\Countries\OtherCountries;
+
+use App\Contracts\IPrice;
+use App\Currencies;
+use App\Shipping\CommonCalculations\Price;
+
+class PriceWorld extends Price
+{
+    private $currency_code = Currencies::ETH;
+
+    public function __construct(float $value)
+    {
+        $this->value = $value;
+    }
+
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    public function getCurrencyCode()
+    {
+        return $this->currency_code;
+    }
+
+    public function getFomatedValue()
+    {
+        return $this->currency_code.$this->value;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Pl/BoxPricing/DefaultBoxPl.php b/Shipping/Countries/Pl/BoxPricing/DefaultBoxPl.php
new file mode 100644
index 0000000..bdf49b0
--- /dev/null
+++ b/Shipping/Countries/Pl/BoxPricing/DefaultBoxPl.php
@@ -0,0 +1,21 @@
+<?php
+
+
+namespace App\Shipping\Countries\Pl\BoxPricing;
+
+use App\Currencies;
+use App\Shipping\CommonCalculations\BoxPricing\DefaultBox;
+
+
+class DefaultBoxPl extends DefaultBox
+{
+    protected function getCountryPrice()
+    {
+        return 0;
+    }
+
+    protected function getCurrency()
+    {
+        return Currencies::PLN;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Pl/BoxPricing/PremiumBoxPl.php b/Shipping/Countries/Pl/BoxPricing/PremiumBoxPl.php
new file mode 100644
index 0000000..c5a51e2
--- /dev/null
+++ b/Shipping/Countries/Pl/BoxPricing/PremiumBoxPl.php
@@ -0,0 +1,19 @@
+<?php
+
+
+namespace App\Shipping\Countries\Pl\BoxPricing;
+
+use App\Shipping\CommonCalculations\BoxPricing\PremiumBox;
+
+class PremiumBoxPl extends PremiumBox
+{
+    protected function getCurrentType()
+    {
+        return "PREMIUM_BOX";
+    }
+
+    protected function getCountryPrice()
+    {
+        return 40;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Pl/CalculationsBuilderPl.php b/Shipping/Countries/Pl/CalculationsBuilderPl.php
new file mode 100644
index 0000000..319da43
--- /dev/null
+++ b/Shipping/Countries/Pl/CalculationsBuilderPl.php
@@ -0,0 +1,20 @@
+<?php
+namespace App\Shipping\Countries\Pl;
+
+use App\Contracts\IBoxingCalculation;
+use App\Shipping\CommonCalculations\CalculationsBuilder;
+use App\Shipping\Countries\Pl\BoxPricing\DefaultBoxPl;
+use App\Shipping\Countries\Pl\BoxPricing\PremiumBoxPl;
+
+
+class CalculationsBuilderPl extends CalculationsBuilder
+{
+    public function useBoxPricing():IBoxingCalculation
+    {
+        $default_box = new DefaultBoxPl($this->boxing_properties);
+
+        $box_price_decorator = new PremiumBoxPl($default_box);
+
+        return $box_price_decorator;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Pl/OrderTotalPl.php b/Shipping/Countries/Pl/OrderTotalPl.php
new file mode 100644
index 0000000..fdddeb1
--- /dev/null
+++ b/Shipping/Countries/Pl/OrderTotalPl.php
@@ -0,0 +1,20 @@
+<?php
+namespace App\Shipping\Countries\Pl;
+
+use App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingOrder;
+
+class OrderTotalPl implements ICountryShippingCalc
+{
+    public function calculate(IShippingOrder $order):IPrice
+    {
+        $total = $order->getTotalPl();
+        if($total > 100)
+        {
+            return new PricePl(0);
+        }
+        //there will be more logic in the future
+        return new PricePl(25);
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Pl/PricePL.php b/Shipping/Countries/Pl/PricePL.php
new file mode 100644
index 0000000..c3c7d5e
--- /dev/null
+++ b/Shipping/Countries/Pl/PricePL.php
@@ -0,0 +1,32 @@
+<?php
+namespace App\Shipping\Countries\Pl;
+
+use App\Contracts\IPrice;
+use App\Currencies;
+use App\Shipping\CommonCalculations\Price;
+
+class PricePl extends Price implements IPrice
+{
+    private $currency_code = Currencies::PLN;
+
+    public function __construct(float $value)
+    {
+        $this->value = $value;
+    }
+
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    public function getCurrencyCode()
+    {
+        return $this->currency_code;
+    }
+
+    public function getFomatedValue()
+    {
+        return $this->value.$this->currency_code;
+    }
+
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Uk/BoxPricing/DefaultBoxUk.php b/Shipping/Countries/Uk/BoxPricing/DefaultBoxUk.php
new file mode 100644
index 0000000..e279cc6
--- /dev/null
+++ b/Shipping/Countries/Uk/BoxPricing/DefaultBoxUk.php
@@ -0,0 +1,20 @@
+<?php
+
+
+namespace App\Shipping\Countries\Uk\BoxPricing;
+
+use App\Currencies;
+use App\Shipping\CommonCalculations\BoxPricing\DefaultBox;
+
+class DefaultBoxUk extends DefaultBox
+{
+    protected function getCountryPrice()
+    {
+        return 0;
+    }
+
+    protected function getCurrency()
+    {
+        return Currencies::GBP;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Uk/BoxPricing/PremiumBoxUk.php b/Shipping/Countries/Uk/BoxPricing/PremiumBoxUk.php
new file mode 100644
index 0000000..8d71fed
--- /dev/null
+++ b/Shipping/Countries/Uk/BoxPricing/PremiumBoxUk.php
@@ -0,0 +1,19 @@
+<?php
+
+
+namespace App\Shipping\Countries\Uk\BoxPricing;
+
+use App\Shipping\CommonCalculations\BoxPricing\PremiumBox;
+
+class PremiumBoxUk extends PremiumBox
+{
+    protected function getCurrentType()
+    {
+        return "PREMIUM_BOX";
+    }
+
+    protected function getCountryPrice()
+    {
+        return 20;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Uk/BoxPricing/UefaChampionBox.php b/Shipping/Countries/Uk/BoxPricing/UefaChampionBox.php
new file mode 100644
index 0000000..6b8ed28
--- /dev/null
+++ b/Shipping/Countries/Uk/BoxPricing/UefaChampionBox.php
@@ -0,0 +1,19 @@
+<?php
+
+
+namespace App\Shipping\Countries\Uk\BoxPricing;
+
+use App\Shipping\CommonCalculations\BoxPricing\PremiumBox;
+
+class UefaChampionBox extends PremiumBox
+{
+    protected function getCurrentType()
+    {
+        return "UEFA_CHAMPION";
+    }
+
+    protected function getCountryPrice()
+    {
+        return 40;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Uk/CalculationsBuilderUk.php b/Shipping/Countries/Uk/CalculationsBuilderUk.php
new file mode 100644
index 0000000..d2a12c2
--- /dev/null
+++ b/Shipping/Countries/Uk/CalculationsBuilderUk.php
@@ -0,0 +1,22 @@
+<?php
+namespace App\Shipping\Countries\Uk;
+
+use App\Contracts\IBoxingCalculation;
+
+use App\Shipping\CommonCalculations\CalculationsBuilder;
+use App\Shipping\Countries\Uk\BoxPricing\DefaultBoxUk;
+use App\Shipping\Countries\Uk\BoxPricing\PremiumBoxUk;
+use App\Shipping\Countries\Uk\BoxPricing\UefaChampionBox;
+
+
+class CalculationsBuilderUk extends CalculationsBuilder
+{
+    public function useBoxPricing():IBoxingCalculation
+    {
+        $default_box = new DefaultBoxUk($this->boxing_properties);
+        $premium_box_decorator = new PremiumBoxUk($default_box);
+        $uefa_champion_decorator = new UefaChampionBox($premium_box_decorator);
+
+        return $uefa_champion_decorator;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Uk/OrderTotalUk.php b/Shipping/Countries/Uk/OrderTotalUk.php
new file mode 100644
index 0000000..918e9e9
--- /dev/null
+++ b/Shipping/Countries/Uk/OrderTotalUk.php
@@ -0,0 +1,21 @@
+<?php
+namespace App\Shipping\Countries\Uk;
+
+use App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingOrder;
+
+class OrderTotalUk implements ICountryShippingCalc
+{
+    public function calculate(IShippingOrder $order):IPrice
+    {
+        $total = $order->getTotalUk();
+
+        if($total > 300)
+        {
+            return new PriceUk(0);
+        }
+        //there will be more logic in the future
+        return  new PriceUk(25);
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Uk/PriceUk.php b/Shipping/Countries/Uk/PriceUk.php
new file mode 100644
index 0000000..18611be
--- /dev/null
+++ b/Shipping/Countries/Uk/PriceUk.php
@@ -0,0 +1,31 @@
+<?php
+namespace App\Shipping\Countries\Uk;
+
+use App\Contracts\IPrice;
+use App\Currencies;
+use App\Shipping\CommonCalculations\Price;
+
+class PriceUk extends Price
+{
+    private $currency_code = Currencies::GBP;
+
+    public function __construct(float $value)
+    {
+        $this->value = $value;
+    }
+
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    public function getCurrencyCode()
+    {
+        return $this->currency_code;
+    }
+
+    public function getFomatedValue()
+    {
+        return $this->value.$this->currency_code;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Us/BoxPricing/DefaultBoxUs.php b/Shipping/Countries/Us/BoxPricing/DefaultBoxUs.php
new file mode 100644
index 0000000..9ccbc5a
--- /dev/null
+++ b/Shipping/Countries/Us/BoxPricing/DefaultBoxUs.php
@@ -0,0 +1,20 @@
+<?php
+
+
+namespace App\Shipping\Countries\Us\BoxPricing;
+
+use App\Currencies;
+use App\Shipping\CommonCalculations\BoxPricing\DefaultBox;
+
+class DefaultBoxUs extends DefaultBox
+{
+    protected function getCountryPrice()
+    {
+        return 0;
+    }
+
+    protected function getCurrency()
+    {
+        return Currencies::US;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Us/BoxPricing/PremiumBoxUs.php b/Shipping/Countries/Us/BoxPricing/PremiumBoxUs.php
new file mode 100644
index 0000000..993dc9f
--- /dev/null
+++ b/Shipping/Countries/Us/BoxPricing/PremiumBoxUs.php
@@ -0,0 +1,19 @@
+<?php
+
+
+namespace App\Shipping\Countries\Us\BoxPricing;
+
+use App\Shipping\CommonCalculations\BoxPricing\PremiumBox;
+
+class PremiumBoxUs extends PremiumBox
+{
+    protected function getCurrentType()
+    {
+        return "PREMIUM_BOX";
+    }
+
+    protected function getCountryPrice()
+    {
+        return 17;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Us/CalculationsBuilderUs.php b/Shipping/Countries/Us/CalculationsBuilderUs.php
new file mode 100644
index 0000000..67d65ca
--- /dev/null
+++ b/Shipping/Countries/Us/CalculationsBuilderUs.php
@@ -0,0 +1,20 @@
+<?php
+namespace App\Shipping\Countries\Us;
+
+use App\Contracts\IBoxingCalculation;
+use App\Shipping\CommonCalculations\CalculationsBuilder;
+use App\Shipping\Countries\Us\BoxPricing\DefaultBoxUs;
+use App\Shipping\Countries\Us\BoxPricing\PremiumBoxUs;
+
+
+class CalculationsBuilderUs extends CalculationsBuilder
+{
+
+    public function useBoxPricing():IBoxingCalculation
+    {
+        $default_box = new DefaultBoxUs($this->boxing_properties);
+        $box_price_decorator = new PremiumBoxUs($default_box);
+
+        return $box_price_decorator;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Us/OrderTotalUs.php b/Shipping/Countries/Us/OrderTotalUs.php
new file mode 100644
index 0000000..182d3c2
--- /dev/null
+++ b/Shipping/Countries/Us/OrderTotalUs.php
@@ -0,0 +1,21 @@
+<?php
+namespace App\Shipping\Countries\Us;
+
+use App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingOrder;
+
+class OrderTotalUs implements ICountryShippingCalc
+{
+    public function calculate(IShippingOrder $order):IPrice
+    {
+        $total = $order->getTotalUs();
+
+        if($total > 1000)
+        {
+            return new PriceUs(0);
+        }
+        //there will be more logic in the future
+        return new PriceUs(250);
+    }
+}
\ No newline at end of file
diff --git a/Shipping/Countries/Us/PriceUs.php b/Shipping/Countries/Us/PriceUs.php
new file mode 100644
index 0000000..c7f4a2b
--- /dev/null
+++ b/Shipping/Countries/Us/PriceUs.php
@@ -0,0 +1,31 @@
+<?php
+namespace App\Shipping\Countries\Us;
+
+use App\Contracts\IPrice;
+use App\Currencies;
+use App\Shipping\CommonCalculations\Price;
+
+class PriceUs extends Price
+{
+    private $currency_code = Currencies::US;
+
+    public function __construct(float $value)
+    {
+        $this->value = $value;
+    }
+
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    public function getCurrencyCode()
+    {
+        return $this->currency_code;
+    }
+
+    public function getFomatedValue()
+    {
+        return $this->currency_code.$this->value;
+    }
+}
\ No newline at end of file
diff --git a/Shipping/CountryCalcFactory.php b/Shipping/CountryCalcFactory.php
new file mode 100644
index 0000000..673271f
--- /dev/null
+++ b/Shipping/CountryCalcFactory.php
@@ -0,0 +1,54 @@
+<?php
+
+
+namespace App\Shipping;
+
+use App\Contracts\ICalculationsBuilder;
+use App\Contracts\IShippingBox;
+use App\Contracts\IShippingOrder;
+use App\Countries;
+use App\Shipping\Countries\CalculationsBuilder;
+use App\Shipping\Countries\OtherCountries\BoxPricing\PremiumBoxWorld;
+use App\Shipping\Countries\OtherCountries\CalculationsBuilderWorld;
+use App\Shipping\Countries\OtherCountries\OrderTotalWorld;
+use App\Shipping\Countries\OtherCountries\PriceWorld;
+use App\Shipping\Countries\Pl\BoxPricing\PremiumBoxPl;
+use App\Shipping\Countries\Pl\CalculationsBuilderPl;
+use App\Shipping\Countries\Pl\OrderTotalPl;
+use App\Shipping\Countries\Pl\PricePl;
+use App\Shipping\Countries\Uk\BoxPricing\PremiumBoxUk;
+use App\Shipping\Countries\Uk\CalculationsBuilderUk;
+use App\Shipping\Countries\Uk\OrderTotalUk;
+use App\Shipping\Countries\Uk\PriceUk;
+use App\Shipping\Countries\Us\BoxPricing\PremiumBoxUs;
+use App\Shipping\Countries\Us\CalculationsBuilderUs;
+use App\Shipping\Countries\Us\OrderTotalUs;
+use App\Shipping\Countries\Us\PriceUs;
+
+
+class CountryCalcFactory
+{
+    public function create(IShippingOrder $order, IShippingBox $boxing_properties): ICalculationsBuilder
+    {
+
+        switch ($order->getCountry())
+        {
+            case Countries::PL:
+                $order_total = new OrderTotalPl();
+                return new CalculationsBuilderPl($order, $order_total, $boxing_properties);
+
+            case Countries::UK:
+                $order_total = new OrderTotalUk();
+                return new CalculationsBuilderUk($order, $order_total, $boxing_properties);
+
+            case Countries::US:
+                $order_total = new OrderTotalUs();
+                return new CalculationsBuilderUs($order, $order_total, $boxing_properties);
+
+            default:
+                $order_total = new OrderTotalWorld();
+                return new CalculationsBuilderWorld($order, $order_total, $boxing_properties);
+
+        }
+    }
+}
\ No newline at end of file
diff --git a/Shipping/PriceFactory.php b/Shipping/PriceFactory.php
new file mode 100644
index 0000000..82df66d
--- /dev/null
+++ b/Shipping/PriceFactory.php
@@ -0,0 +1,31 @@
+<?php
+namespace App\Shipping;
+
+use App\Contracts\IPrice;
+use App\Countries;
+use App\Currencies;
+use App\Shipping\Countries\OtherCountries\PriceWorld;
+use App\Shipping\Countries\Pl\PricePl;
+use App\Shipping\Countries\Uk\PriceUk;
+use App\Shipping\Countries\Us\PriceUs;
+
+class PriceFactory
+{
+    public function create($country_code, float $value):IPrice
+    {
+        switch ($country_code)
+        {
+            case Currencies::PLN:
+                return new PricePl($value);
+
+            case Currencies::GBP:
+                return new PriceUk($value);
+
+            case Currencies::US:
+                return new PriceUs($value);
+
+            default:
+                return new PriceWorld($value);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Shipping/ShippingCostCalculator.php b/Shipping/ShippingCostCalculator.php
index 7a7cf2f..de4b114 100644
--- a/Shipping/ShippingCostCalculator.php
+++ b/Shipping/ShippingCostCalculator.php
@@ -1,43 +1,21 @@
 <?php
 namespace App\Shipping;
 
-use App\Orders\Order;
+use App\Contracts\ICountryShippingCalc;
+use App\Contracts\IPrice;
+use App\Contracts\IShippingBox;
+use App\Contracts\IShippingOrder;
+
+use App\Shipping\Countries\Us\PriceUs;
 
 class ShippingCostCalculator
 {
-    public function calculate(Order $order)
+    public function calculate(IShippingOrder $order, IShippingBox $boxing_properties):IPrice
     {
-        $country = $order->getCountry();
-
-        switch($country)
-        {
-            case "PL":
-                $total = $order->getTotalPl();
-                if($total > 100)
-                {
-                    return '0PLN';
-                }
-                //there will be more logic in the future
-                return '25PLN';
-
-            case "UK":
-                $total = $order->getTotalUk();
-
-                if($total > 300)
-                {
-                    return '0'."GBP";
-                }
-                //there will be more logic in the future
-                return '25'."GBP";
-            case "US":
-                $total = $order->getTotalUs();
+        $calc_factory = new CountryCalcFactory();
+        $country_calculations_builder = $calc_factory->create($order, $boxing_properties);
+        $calculations_director = new CalculationsDirector($country_calculations_builder);
 
-                if($total > 1000)
-                {
-                    return '$0';
-                }
-                //there will be more logic in the future
-                return '$250';
-        }
+        return $calculations_director->calculate();
     }
 }
\ No newline at end of file
diff --git a/tests/MainTest.php b/tests/MainTest.php
index 1ed41c1..724e4bb 100644
--- a/tests/MainTest.php
+++ b/tests/MainTest.php
@@ -1,52 +1,121 @@
 <?php declare(strict_types=1);
 namespace App\Tests;
 
+use App\Countries;
 use PHPUnit\Framework\TestCase;
 use App\Main;
 
 class MainTest extends TestCase
 {
     /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to Poland without discounts
      * @test
      */
     public function start_needToPayPL()
     {
         $main  = new Main();
-        $result = $main->start("PL", 50);
+        $result = $main->start(Countries::PL, 50);
 
         $this->assertEquals('25PLN', $result);
     }
 
     /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to Poland with Client Shipping discount
+     * @test
+     */
+    public function start_needToPayPLDiscount()
+    {
+        $main  = new Main();
+        $result = $main->start(Countries::PL, 50, 10);
+
+        $this->assertEquals('15PLN', $result);
+    }
+
+    /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to Poland without Client Shipping discount and premium box
+     * @test
+     */
+    public function start_needToPayPLDiscountANDPremiumBox()
+    {
+        $main  = new Main();
+        $result = $main->start(Countries::PL, 50, 10, 'PREMIUM_BOX');
+
+        $this->assertEquals('55PLN', $result);
+    }
+
+    /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to Poland free delivery above order total
      * @test
      */
     public function start_freeShippingPL()
     {
         $main  = new Main();
-        $result = $main->start("PL", 150);
+        $result = $main->start(Countries::PL, 150);
 
         $this->assertEquals('0PLN', $result);
     }
 
     /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to England free delivery above order total
      * @test
      */
     public function start_freeShippingUK()
     {
         $main  = new Main();
-        $result = $main->start("UK", 450);
+        $result = $main->start(Countries::UK, 450);
 
         $this->assertEquals('0GBP', $result);
     }
 
     /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to England free delivery above order total
+     * @test
+     */
+    public function start_freeShippingUK_championsBox()
+    {
+        $main  = new Main();
+        $result = $main->start(Countries::UK, 450, 0, 'UEFA_CHAMPION');
+
+        $this->assertEquals('40GBP', $result);
+    }
+
+    /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to US free delivery above order total
      * @test
      */
     public function start_freeShippingUs()
     {
         $main  = new Main();
-        $result = $main->start("US", 2450);
+        $result = $main->start(Countries::US, 2450);
 
         $this->assertEquals('$0', $result);
     }
+
+    /**
+     * @feature Orders
+     * @sceanrio Calculate Shipping Cost
+     * @case to other countries - const delivery price in $
+     * @test
+     */
+    public function start_costForUnknowCountries()
+    {
+        $main  = new Main();
+        $result = $main->start(Countries::NIGERIA, 2450);
+
+        $this->assertEquals('ETH299', $result);
+    }
 }
\ No newline at end of file