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.Customer;
  import org.example.customer.utility.CustomerEntity;
  import org.example.customer.utility.Location;
  import org.example.customer.utility.Phone;
  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 CustomerDAOFastTests
  {
      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(Customer.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 testNullCredentialsFindAllCustomers() 
              throws Exception
      {
          CustomerDAO handler = new CustomerDAOImpl();
          handler.setReadOnlyDS(utility.getDataSource());
             
          handler.findAllCustomers(null);
      }
      
      @Test(expected = IllegalArgumentException.class)  
      public void testUnauthorizedFindAllCustomers() 
              throws Exception
      {
          CustomerDAO handler = new CustomerDAOImpl();
          handler.setReadOnlyDS(utility.getDataSource());
          
          UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
          when(userCredentialsMock.hasRole("worker")).thenReturn(false);
      
          handler.findAllCustomers(userCredentialsMock);
      }
      
      @Category(SmokeTest.class)
      @Test
      public void testFindAllCustomers() 
              throws Exception
      {
          CustomerDAO handler = new CustomerDAOImpl();
          handler.setReadOnlyDS(utility.getDataSource());
          
          UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
          when(userCredentialsMock.hasRole("worker")).thenReturn(true);
      
          List<Customer> records = handler.findAllCustomers(userCredentialsMock);
         assertNotNull(records);
         assertTrue(records.size() == 91);
 
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsFindCustomerById() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                
         int id = 1;
     
         handler.findCustomerById(null, id);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedFindCustomerById() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
         
         int id = 1;
     
         handler.findCustomerById(userCredentialsMock, id);
     }
     
     @Category(SmokeTest.class)
     @Test
     public void testFindCustomerById() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         int id = 1;
     
         Customer record = handler.findCustomerById(userCredentialsMock, id);
         assertNotNull(record);
         String expected = "Anders";
         String actual = record.getLastName();
         assertEquals(expected, actual);
     }
     
     @Test
     public void testFindCustomerByInvalidId() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         int id = 101;
     
         Customer record = handler.findCustomerById(userCredentialsMock, id);
         assertNull(record);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsFindCustomersByName() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
       
         String firstName ="John";
         String lastName = "Steel";
     
         handler.findCustomersByName(null, firstName, lastName);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedFindCustomersByName() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
     
         String firstName ="John";
         String lastName = "Steel";
     
         handler.findCustomersByName(userCredentialsMock, firstName, lastName);
     }
     
     @Test
     public void testFindCustomersByName() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         
         String firstName ="John";
         String lastName = "Steel";
     
         List<Customer> records = handler.findCustomersByName(userCredentialsMock, firstName, lastName);
         assertNotNull(records);
         assertTrue(records.size() == 1);
         assertTrue(records.get(0).getId() == 43);
     }
     
     @Test
     public void testFindNoCustomersByName() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
         
         String firstName ="Fred";
         String lastName = "Flintstone";
     
         List<Customer> records = handler.findCustomersByName(userCredentialsMock, firstName, lastName);
         assertNotNull(records);
         assertTrue(records.size() == 0);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsAddCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
           Customer mockCustomer = buildMockCustomer();
         
         handler.addCustomer(null, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedAddCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(false);
         
         Customer mockCustomer = buildMockCustomer();
         
         handler.addCustomer(userCredentialsMock, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullAddCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         handler.addCustomer(userCredentialsMock, null);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsUpdateCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
           
         Customer mockCustomer = buildMockCustomer();
         
         handler.updateCustomer(null, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedUpdateCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(false);
         
         Customer mockCustomer = buildMockCustomer();
         
         handler.updateCustomer(userCredentialsMock, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullUpdateCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadWriteDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         handler.updateCustomer(userCredentialsMock, null);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsIsDeleteableCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                 
         Customer mockCustomer = buildMockCustomer();
         
         handler.isDeleteable(null, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedIsDeleteableCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(false);
         
         Customer mockCustomer = buildMockCustomer();
         
         handler.isDeleteable(userCredentialsMock, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullIsDeleteableCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
              
         handler.isDeleteable(userCredentialsMock, null);
     }
     
     @Test
     public void testIsDeleteableCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
              
         Customer mockCustomer = buildMockCustomer();
         // Customer 71 has no Orders
         mockCustomer.setId(71);
          
         assertTrue(handler.isDeleteable(userCredentialsMock, mockCustomer));
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testInvalidEntityDeleteableCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         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
     {
         CustomerDAO handler = new CustomerDAOImpl();
         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));
     }
     
     @Test
     public void testIsNotDeleteableCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("worker")).thenReturn(true);
              
         Customer mockCustomer = buildMockCustomer();
         // Customer 70 has Orders
         mockCustomer.setId(70);
         
         assertFalse(handler.isDeleteable(userCredentialsMock, mockCustomer));
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsIsDeleteableId() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                
         handler.isDeleteable(null, 21);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedIsDeleteableId() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         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
     {
         CustomerDAO handler = new CustomerDAOImpl();
         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
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
              
         // Customer 71 has no Orders
         assertTrue(handler.isDeleteable(userCredentialsMock, 71));
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testIsNotDeleteableId() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(true);
                   
         assertFalse(handler.isDeleteable(userCredentialsMock, 70));
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullCredentialsDeleteCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
                
         Customer mockCustomer = buildMockCustomer();
         
         handler.deleteEntity(null, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testUnauthorizedDeleteCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         handler.setReadOnlyDS(utility.getDataSource());
         
         UserCredentials userCredentialsMock = Mockito.mock(UserCredentials.class);
         when(userCredentialsMock.hasRole("manager")).thenReturn(false);
         
         Customer mockCustomer = buildMockCustomer();
         
         handler.deleteEntity(userCredentialsMock, mockCustomer);
     }
     
     @Test(expected = IllegalArgumentException.class)  
     public void testNullDeleteCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         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 testNotDeleteableCustomer() 
             throws Exception
     {
         CustomerDAO handler = new CustomerDAOImpl();
         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);
              
         Customer mockCustomer = buildMockCustomer();
         // Customer 70 has Orders
         mockCustomer.setId(70);
         
         handler.deleteEntity(userCredentialsMock, mockCustomer);
     }
    
     private Customer buildMockCustomer()
     {
         Customer mockCustomer = new Customer();
         // leave the id as default, the database will generate it
         mockCustomer.setFirstName("Robert");
         mockCustomer.setLastName("Service");
         Location mockLocation = new Location();
         mockLocation.setCity("Dawson City");
         mockLocation.setCountry("Canada");
         mockCustomer.setLocation(mockLocation);
         Phone mockPhone = new Phone();
         mockPhone.setNumber("(867)993-5566");
         mockCustomer.setPhone(mockPhone);
         
         return mockCustomer;
     }
 }