package org.example.customerdao;
   
   import static org.junit.Assert.assertEquals;
   import static org.junit.Assert.fail;
   import static org.mockito.Mockito.when;
   
   import java.io.File;
   
   import org.apache.logging.log4j.Level;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.core.config.Configurator;
  import org.dbunit.Assertion;
  import org.dbunit.dataset.ITable;
  import org.example.customer.Product;
  import org.example.customerdao.testcategories.SmokeTest;
  import org.example.dao.testUtils.jdbc.DBUnitJDBCUtility;
  import org.example.websecurity.UserCredentials;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  import org.mockito.Mockito;
  
  public class ProductDAOSlowTests
  {
      private static String configDir = "src" + File.separator
              + "test" + File.separator + "resources" + File.separator + "data";
      
      private static final String SCHEMA_FILE = configDir + File.separator + "Customer.sql";
      private static final String DATA_FILE = configDir + File.separator + "fullDB.xml";
      private static final String Product_ADD_FILE = configDir + File.separator + "addProduct.xml";
      private static final String Product_UPDATE_FILE = configDir + File.separator + "updateProduct.xml";
      private static final String Product_DELETE_FILE = configDir + File.separator + "deleteProduct.xml";
      
      private static DBUnitJDBCUtility utility = null;
      
      @Before  // (re)build the Database before each test
      public void setup()
      {
          Configurator.setLevel(LogManager.getLogger(Product.class).getName(), Level.WARN);
          
          try
          {
              utility = new DBUnitJDBCUtility(SCHEMA_FILE, DATA_FILE);
          }
          catch (Exception e)
          {
              fail(e.getLocalizedMessage());
          }
      }  
      
      @After
      public void shutdown()
      {
          if (utility != null)
          {
              utility.shutdown();
          }
      }
      
      @Category(SmokeTest.class)
      @Test(timeout = 3000) // 3 sec (3000) millisec timeout
      public void testAddProduct() 
              throws Exception
      {
          ProductDAO handler = new ProductDAOImpl();
          handler.setReadWriteDS(utility.getDataSource());
          
          UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
          when(userCredentialsMock.hasRole("manager")).thenReturn(true);
          
          Product mockProduct = buildMockProduct();
          
          int expected = 81;
          int actual = handler.addProduct(userCredentialsMock, mockProduct);
          assertEquals(expected, actual);
          
          try
          {
              // Fetch database data after executing your code
              ITable actualTable = utility.getTableFromDatabase("Product");
              ITable expectedTable = utility.getTableFromFile(Product_ADD_FILE, "Product");
  
              // Assert actual database table match expected table
              // This will check every row, and every column of the table
              Assertion.assertEquals(expectedTable, actualTable);
          }
          catch (Exception e1)
          {
              fail(e1.getLocalizedMessage());
          }
      }
      
      @Test(timeout = 1000) 
      public void testUpdateProduct() 
              throws Exception
      {
          ProductDAO handler = new ProductDAOImpl();
          handler.setReadWriteDS(utility.getDataSource());
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
         
         Product mockProduct14 = handler.findProductById(userCredentialsMock, 14);
         mockProduct14.setProductName("Firm Tofu");
         
         handler.updateProduct(userCredentialsMock, mockProduct14);
         
         Product mockProduct55 = handler.findProductById(userCredentialsMock, 55);
         mockProduct55.setDiscontinued(true);
         
         handler.updateProduct(userCredentialsMock, mockProduct55);
         
         Product mockProduct71 = handler.findProductById(userCredentialsMock, 71);
         mockProduct71.setUnitPrice(23.75);
         
         handler.updateProduct(userCredentialsMock, mockProduct71);
         
         try
         {
             // Fetch database data after executing your code
             ITable actualTable = utility.getTableFromDatabase("Product");
             ITable expectedTable = utility.getTableFromFile(Product_UPDATE_FILE, "Product");
 
             // Assert actual database table match expected table
             // This will check every row, and every column of the table
             Assertion.assertEquals(expectedTable, actualTable);
         }
         catch (Exception e1)
         {
             fail(e1.getLocalizedMessage());
         }
     }
       
     @Test(timeout = 1000) // 1 sec (1000) millisec timeout
     public void testDeleteProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         Product mockProduct = buildMockProduct();
         // Product 17 has no orders
         mockProduct.setId(17);
          
         handler.deleteEntity(userCredentialsMock, mockProduct);
         
         try
         {
             // Fetch database data after executing your code
             ITable actualTable = utility.getTableFromDatabase("Product");
             ITable expectedTable = utility.getTableFromFile(Product_DELETE_FILE, "Product");
 
             // Assert actual database table match expected table
             // This will check every row, and every column of the table
             Assertion.assertEquals(expectedTable, actualTable);
         }
         catch (Exception e1)
         {
             fail(e1.getLocalizedMessage());
         }
     }
 
     private Product buildMockProduct()
     {   
         Product mockProduct = new Product();
         // leave the id as default, the database will generate it
         mockProduct.setProductName("Salted Peanuts");
         mockProduct.setSupplierId(7);
         mockProduct.setUnitPrice(0.50);
         mockProduct.setPackaging("1 kg pkg");
         mockProduct.setDiscontinued(false);
         
         return mockProduct;
     }
 }