/*
    *    Copyright 2010-2022 the original author or authors.
    *
    *    Licensed under the Apache License, Version 2.0 (the "License");
    *    you may not use this file except in compliance with the License.
    *    You may obtain a copy of the License at
    *
    *       https://www.apache.org/licenses/LICENSE-2.0
    *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  package org.mybatis.jpetstore.web.actions;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import java.util.ArrayList;
  
  import net.sourceforge.stripes.action.ActionBeanContext;
  import net.sourceforge.stripes.action.Message;
  import net.sourceforge.stripes.action.Resolution;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.mybatis.jpetstore.domain.Cart;
  
  class CartActionBeanTest {
  
    private CartActionBean cartActionBean;
    private ActionBeanContext mockContext;
  
    @BeforeEach
    void setUp() {
      cartActionBean = new CartActionBean();
      cartActionBean.setCart(new Cart());
  
      // Mock ActionBeanContext to avoid NPE in setMessage()
      mockContext = mock(ActionBeanContext.class);
      when(mockContext.getMessages()).thenReturn(new ArrayList<Message>());
      cartActionBean.setContext(mockContext);
    }
  
    @Test
    void constructorOutputNotNull() {
      final CartActionBean actual = new CartActionBean();
  
      assertThat(actual).isNotNull();
      assertThat(actual.getCart()).isNotNull();
      assertThat(actual.getContext()).isNull();
    }
  
    @Test
    void getCartOutputNotNull() {
      final CartActionBean bean = new CartActionBean();
  
      assertThat(bean.getCart()).isNotNull();
    }
  
    @Test
    void addItemToCart_WithNullWorkingItemId_ShouldReturnError() {
      cartActionBean.setWorkingItemId(null);
  
      Resolution resolution = cartActionBean.addItemToCart();
  
      assertThat(resolution).isNotNull();
      assertThat(resolution.toString()).contains("Error.jsp");
    }
  
    @Test
    void addItemToCart_WithEmptyWorkingItemId_ShouldReturnError() {
      cartActionBean.setWorkingItemId("");
  
      Resolution resolution = cartActionBean.addItemToCart();
  
      assertThat(resolution).isNotNull();
      assertThat(resolution.toString()).contains("Error.jsp");
    }
  
    @Test
    void addItemToCart_WithBlankWorkingItemId_ShouldReturnError() {
      cartActionBean.setWorkingItemId("   ");
  
      Resolution resolution = cartActionBean.addItemToCart();
  
      assertThat(resolution).isNotNull();
      assertThat(resolution.toString()).contains("Error.jsp");
    }
  
    @Test
    void removeItemFromCart_WithNullWorkingItemId_ShouldReturnError() {
      cartActionBean.setWorkingItemId(null);
  
      Resolution resolution = cartActionBean.removeItemFromCart();
  
     assertThat(resolution).isNotNull();
     assertThat(resolution.toString()).contains("Error.jsp");
   }
 
   @Test
   void removeItemFromCart_WithEmptyWorkingItemId_ShouldReturnError() {
     cartActionBean.setWorkingItemId("");
 
     Resolution resolution = cartActionBean.removeItemFromCart();
 
     assertThat(resolution).isNotNull();
     assertThat(resolution.toString()).contains("Error.jsp");
   }
 
   @Test
   void removeItemFromCart_WithBlankWorkingItemId_ShouldReturnError() {
     cartActionBean.setWorkingItemId("   ");
 
     Resolution resolution = cartActionBean.removeItemFromCart();
 
     assertThat(resolution).isNotNull();
     assertThat(resolution.toString()).contains("Error.jsp");
   }
 
   @Test
   void removeItemFromCart_WithNonExistentItem_ShouldReturnError() {
     cartActionBean.setWorkingItemId("NON_EXISTENT_ITEM");
 
     Resolution resolution = cartActionBean.removeItemFromCart();
 
     assertThat(resolution).isNotNull();
     assertThat(resolution.toString()).contains("Error.jsp");
   }
 
   @Test
   void clearShouldResetCartAndWorkingItemId() {
     cartActionBean.setWorkingItemId("EST-1");
 
     cartActionBean.clear();
 
     assertThat(cartActionBean.getCart()).isNotNull();
     assertThat(cartActionBean.getCart().getNumberOfItems()).isZero();
   }
 }