package com.srv4pos.server.api.customization;
   
   import com.srv4pos.server.api.ServiceFactory;
   import com.srv4pos.server.api.infrastructure.IdentifierInfo;
   import com.srv4pos.server.api.infrastructure.credentials.Credentials;
   import com.srv4pos.server.api.infrastructure.http.Transport;
   import com.srv4pos.server.api.seller.SellerService;
   
   import java.net.URL;
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  
  public class CustomizationServiceSample {
  
      private final SellerService sellerService;
      private final CustomizationGroupService customizationGroupService;
      private final CustomizationItemService customizationItemService;
  
      public CustomizationServiceSample(URL url, Credentials credentials, Transport transport) {
          ServiceFactory serviceFactory = new ServiceFactory(url, credentials, transport);
          sellerService = serviceFactory.getSellerService();
          customizationGroupService = serviceFactory.getCustomizationGroupService();
          customizationItemService = serviceFactory.getCustomizationItemService();
      }
  
      public void test() throws Exception {
  
          // test customization groups
  
          int currentSellerVersion = sellerService.getThisVersion().getVersion();
  
          final CustomizationGroupInfo customizationGroup = createAndSaveCustomizationGroup(currentSellerVersion, "Beverages");
          currentSellerVersion++;
  
          final CustomizationGroupInfo groupFromServer = customizationGroupService.get(null, customizationGroup.getIdentifier());
  
          assertEquals("Name mismatch for customization group. Make sure server return right data", customizationGroup.getName(), groupFromServer.getName());
  
  
          // test customization items
          
          //Create and save item with name "Sugar" and early created group's identifier
          final CustomizationItemInfo firstItem = createAndSaveCustomizationItem(currentSellerVersion, "Sugar", customizationGroup.getIdentifier());
          currentSellerVersion++;
  
          final CustomizationItemInfo secondItem = createAndSaveCustomizationItem(currentSellerVersion, "Salt", customizationGroup.getIdentifier());
  
          //Get all items from the server
          List<CustomizationItemInfo> items = customizationItemService.list(null);
  
          assertEquals("Make sure server returns right amount of items", 2, items.size());
  
          assertEquals("Name mismatch for first item. Make sure server return right data", firstItem.getName(), items.get(0).getName());
          assertEquals("Name mismatch for second item. Make sure server return right data", secondItem.getName(), items.get(1).getName());
  
      }
  
      private CustomizationGroupInfo createAndSaveCustomizationGroup(final int sellerVersion, final String name) {
          CustomizationGroupInfo customizationGroupInfo = new CustomizationGroupInfo();
          customizationGroupInfo.setName(name);
  
          IdentifierInfo identifierInfo = customizationGroupService.create(sellerVersion, customizationGroupInfo);
          customizationGroupInfo.setIdentifier(identifierInfo.getIdentifier());
  
          return customizationGroupInfo;
      }
  
      private CustomizationItemInfo createAndSaveCustomizationItem(final int sellerVersion, final String name, final String groupIdentifier) {
          CustomizationItemInfo customizationItemInfo = new CustomizationItemInfo();
          customizationItemInfo.setName(name);
          customizationItemInfo.setCustomizationGroup(groupIdentifier);
  
          IdentifierInfo identifierInfo = customizationItemService.create(sellerVersion, customizationItemInfo);
          customizationItemInfo.setIdentifier(identifierInfo.getIdentifier());
          return customizationItemInfo;
      }
  }