package org.example.customerdao;
   
   import static org.junit.Assert.assertEquals;
   import static org.junit.Assert.assertFalse;
   import static org.junit.Assert.assertNotNull;
   import static org.junit.Assert.assertNull;
   import static org.junit.Assert.assertTrue;
   import static org.junit.Assert.fail;
   import static org.mockito.Mockito.when;
  
  import java.io.File;
  import java.util.List;
  
  import org.apache.logging.log4j.Level;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.core.config.Configurator;
  import org.example.customer.Product;
  import org.example.customer.Supplier;
  import org.example.customer.utility.CustomerEntity;
  import org.example.customerdao.testcategories.SmokeTest;
  import org.example.customerdao.utility.NonDeleteableRecordException;
  import org.example.dao.testUtils.jdbc.DBUnitJDBCUtility;
  import org.example.websecurity.UserCredentials;
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  import org.mockito.Mockito;
  
  public class ProductDAOFastTests
  {
      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 DBUnitJDBCUtility utility = null;
       
      @BeforeClass // this runs only once before any test
      public static 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());
          }
      }  
      
      @AfterClass
      public static void shutdown()
      {
          if (utility != null)
          {
              utility.shutdown();
          }
      }
      
      @Test(expected = IllegalArgumentException.class)  
      public void testNullCredentialsFindAllProducts() 
              throws Exception
      {
          ProductDAO handler = new ProductDAOImpl();
          handler.setReadOnlyDS(utility.getDataSource());
             
          handler.findAllProducts(null);
      }
      
      @Test(expected = IllegalArgumentException.class)  
      public void testUnauthorizedFindAllProducts() 
              throws Exception
      {
          ProductDAO handler = new ProductDAOImpl();
          handler.setReadOnlyDS(utility.getDataSource());
          
          UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
          when(userCredentialsMock.hasRole("worker")).thenReturn(false);
      
          handler.findAllProducts(userCredentialsMock);
      }
      
      @Category(SmokeTest.class)
      @Test
      public void testFindAllProducts() 
              throws Exception
      {
          ProductDAO handler = new ProductDAOImpl();
          handler.setReadOnlyDS(utility.getDataSource());
          
          UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
          when(userCredentialsMock.hasRole("worker")).thenReturn(true);
      
          List<Product> records = handler.findAllProducts(userCredentialsMock);
          assertNotNull(records);
         assertTrue(records.size() == 80);
 
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsFindAllActiveProducts() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
            
         handler.findAllActiveProducts(null);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedFindAllActiveProducts() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
     
         handler.findAllActiveProducts(userCredentialsMock);
     }
     
     @Category(SmokeTest.class)
     @Test
     public void testFindAllActiveProducts() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
     
         List<Product> records = handler.findAllActiveProducts(userCredentialsMock);
         assertNotNull(records);
         assertTrue(records.size() == 71);
 
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsFindProductById() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                
         int id = 1;
     
         handler.findProductById(null, id);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedFindProductById() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
         
         int id = 1;
     
         handler.findProductById(userCredentialsMock, id);
     }
     
     @Category(SmokeTest.class)
     @Test
     public void testFindProductByValidId() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         int id = 1;
     
         Product record = handler.findProductById(userCredentialsMock, id);
         assertNotNull(record);
         String expected = "Chai";
         String actual = record.getProductName();
         assertEquals(expected, actual);
     }
     
     @Test
     public void testFindProductByInvalidId() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         int id = 101;
     
         Product record = handler.findProductById(userCredentialsMock, id);
         assertNull(record);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsFindProductsBySupplier() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
       
         Supplier supplier = new Supplier();
         supplier.setId(10);
     
         handler.findProductsBySupplier(null, supplier);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedFindProductsBySupplier() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
     
         Supplier supplier = new Supplier();
         supplier.setId(10);
     
         handler.findProductsBySupplier(userCredentialsMock, supplier);
     }
     
     @Test
     public void testFindProductsBySupplier() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         
         Supplier supplier = new Supplier();
         supplier.setId(10);
     
         List<Product> records = handler.findProductsBySupplier(userCredentialsMock, supplier);
         assertNotNull(records);
         assertTrue(records.size() == 1);
         assertTrue(records.get(0).getId() == 24);
     }
     
     @Test
     public void testFindNoProductsBySupplier() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         
         Supplier supplier = new Supplier();
         supplier.setId(83);
     
         List<Product> records = handler.findProductsBySupplier(userCredentialsMock, supplier);
         assertNotNull(records);
         assertTrue(records.size() == 0);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsAddProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         Product mockProduct = buildMockProduct();
         
         handler.addProduct(null, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedAddProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(false);
         
         Product mockProduct = buildMockProduct();
         
         handler.addProduct(userCredentialsMock, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullAddProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         handler.addProduct(userCredentialsMock, null);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullProductUpdateProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
        
        handler.updateProduct(userCredentialsMock, null);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsUpdateProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
           
         Product mockProduct = buildMockProduct();
         
         handler.updateProduct(null, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedUpdateProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(false);
         
         Product mockProduct = buildMockProduct();
         
         handler.updateProduct(userCredentialsMock, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullUpdateProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         handler.updateProduct(userCredentialsMock, null);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsIsDeleteableProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                 
         Product mockProduct = buildMockProduct();
         
         handler.isDeleteable(null, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedIsDeleteableProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
         
         Product mockProduct = buildMockProduct();
         
         handler.isDeleteable(userCredentialsMock, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullIsDeleteableProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
              
         handler.isDeleteable(userCredentialsMock, null);
     }
     
     @Test
     public void testIsDeleteableProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
              
         Product mockProduct = buildMockProduct();
         // Product 17 has no Orders
         mockProduct.setId(17);
          
         assertTrue(handler.isDeleteable(userCredentialsMock, mockProduct));
     }
     
     @Test
     public void testIsNotDeleteableProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
              
         Product mockProduct = buildMockProduct();
         // Product 12 has Orders
         mockProduct.setId(12);
         
         assertFalse(handler.isDeleteable(userCredentialsMock, mockProduct));
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsIsDeleteableId() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                
         handler.isDeleteable(null, 21);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedIsDeleteableId() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
               
         handler.isDeleteable(userCredentialsMock, 21);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullIsDeleteableId() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
              
         handler.isDeleteable(userCredentialsMock, null);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testIsDeleteableId() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         // Product 17 has no Orders
         assertTrue(handler.isDeleteable(userCredentialsMock, 17));
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testIsNotDeleteableId() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
                   
         assertFalse(handler.isDeleteable(userCredentialsMock, 14));
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsDeleteProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                
         Product mockProduct = buildMockProduct();
         
         handler.deleteEntity(null, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedDeleteProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(false);
         
         Product mockProduct = buildMockProduct();
         
         handler.deleteEntity(userCredentialsMock, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullDeleteProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         handler.deleteEntity(userCredentialsMock, null);
     }
     
     @Test(expected = NonDeleteableRecordException.class)  
     public void testNotDeleteableProduct() 
             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 12 has Orders
         mockProduct.setId(12);
         
         handler.deleteEntity(userCredentialsMock, mockProduct);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testInvalidEntityDeleteableProduct() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         CustomerEntity mockCustomerEntity = new CustomerEntity();
          
         handler.deleteEntity(userCredentialsMock, mockCustomerEntity);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testInvalidEntityIsDeleteableCustomer() 
             throws Exception
     {
         ProductDAO handler = new ProductDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         CustomerEntity mockCustomerEntity = new CustomerEntity();
          
         assertTrue(handler.isDeleteable(userCredentialsMock, mockCustomerEntity));
     }
    
     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;
     }
 }