/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 *
 *  http://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.apache.struts2.interceptor;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.StrutsInternalTestCase;
import org.apache.struts2.dispatcher.HttpParameters;
import org.easymock.EasyMock;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;


/**
 * Test case for MessageStoreInterceptor.
 *
 * @version $Date$ $Id$
 */
public class MessageStoreInterceptorTest extends StrutsInternalTestCase {

    @Override
    public void setUp() throws Exception {
        super.setUp();

        HttpServletResponse response = EasyMock.createNiceControl().createMock(HttpServletResponse.class);
        response.isCommitted();
        EasyMock.expectLastCall().andReturn(Boolean.FALSE);
        EasyMock.replay(response);

        ServletActionContext.setResponse(response);
    }

    public void testIgnoreMessageWithoutSession() throws Exception {
        MessageStoreInterceptor interceptor = new MessageStoreInterceptor();
        interceptor.setAllowRequestParameterSwitch(true);
        interceptor.setOperationMode(MessageStoreInterceptor.STORE_MODE);

        ActionSupport action = new ActionSupport();
        action.addActionError("some action error 1");
        action.addActionMessage("some action message 1");
        action.addFieldError("field2", "some field error 2");

        ActionContext actionContext = ActionContext.of(new HashMap<>()).bind();
        actionContext.setParameters(HttpParameters.create().build());

        HttpSession mockedSession = EasyMock.createControl().createMock(HttpSession.class);
        HttpServletRequest mockedRequest = EasyMock.createControl().createMock(HttpServletRequest.class);
        mockedRequest.getSession(false);
        EasyMock.expectLastCall().andReturn(mockedSession);
        EasyMock.expectLastCall().once();
        ServletActionContext.setRequest(mockedRequest);

        EasyMock.replay(mockedRequest);

        // Mock (ActionInvocation)
        ActionInvocation mockActionInvocation = EasyMock.createControl().createMock(ActionInvocation.class);
        mockActionInvocation.getInvocationContext();
        EasyMock.expectLastCall().andReturn(actionContext);
        EasyMock.expectLastCall().anyTimes();

        mockActionInvocation.invoke();
        EasyMock.expectLastCall().andReturn(Action.SUCCESS);

        mockActionInvocation.addPreResultListener(EasyMock.anyObject());
        EasyMock.expectLastCall();

        EasyMock.replay(mockActionInvocation);

        interceptor.init();
        interceptor.intercept(mockActionInvocation);
        interceptor.destroy();

        EasyMock.verify(mockActionInvocation);
    }

    public void testRetrieveMessage() throws Exception {
        MessageStoreInterceptor interceptor = new MessageStoreInterceptor();
        interceptor.setOperationMode(MessageStoreInterceptor.RETRIEVE_MODE);
        interceptor.setAllowRequestParameterSwitch(true);


        ActionSupport action = new ActionSupport();

        ActionInvocation mockActionInvocation = EasyMock.createControl().createMock(ActionInvocation.class);
        mockActionInvocation.invoke();
        EasyMock.expectLastCall().andReturn(Action.SUCCESS);

        Map<String, Object> sessionMap = new LinkedHashMap<>();

        List<String> actionErrors = new ArrayList<>();
        List<String> actionMessages = new ArrayList<>();
        Map<String, List<String>> fieldErrors = new LinkedHashMap<>();

        actionErrors.add("some action error 1");
        actionErrors.add("some action error 2");
        actionMessages.add("some action messages 1");
        actionMessages.add("some action messages 2");
        List<String> field1Errors = new ArrayList<>();
        field1Errors.add("some field error 1");
        List<String> field2Errors = new ArrayList<>();
        field2Errors.add("some field error 2");
        fieldErrors.put("field1", field1Errors);
        fieldErrors.put("field2", field2Errors);

        sessionMap.put(MessageStoreInterceptor.actionErrorsSessionKey, actionErrors);
        sessionMap.put(MessageStoreInterceptor.actionMessagesSessionKey, actionMessages);
        sessionMap.put(MessageStoreInterceptor.fieldErrorsSessionKey, fieldErrors);

        HttpSession mockedSession = EasyMock.createControl().createMock(HttpSession.class);
        HttpServletRequest mockedRequest = EasyMock.createControl().createMock(HttpServletRequest.class);
        mockedRequest.getSession(false);
        EasyMock.expectLastCall().andReturn(mockedSession);
        EasyMock.expectLastCall().once();
        ServletActionContext.setRequest(mockedRequest);

        EasyMock.replay(mockedRequest);

        ActionContext actionContext = ActionContext.of(new HashMap<>()).bind();
        actionContext.setParameters(HttpParameters.create().build());
        actionContext.setSession(sessionMap);

        mockActionInvocation.getInvocationContext();
        EasyMock.expectLastCall().andReturn(actionContext);
        EasyMock.expectLastCall().anyTimes();

        mockActionInvocation.getAction();
        EasyMock.expectLastCall().andReturn(action);
        EasyMock.expectLastCall().anyTimes();

        mockActionInvocation.addPreResultListener(EasyMock.anyObject());
        EasyMock.expectLastCall();

        EasyMock.replay(mockActionInvocation);

        interceptor.init();
        interceptor.intercept(mockActionInvocation);
        interceptor.destroy();

        assertEquals(action.getActionErrors().size(), 2);
        assertEquals(action.getActionMessages().size(), 2);
        assertEquals(action.getFieldErrors().size(), 2);
        assertTrue(action.getActionErrors().contains("some action error 1"));
        assertTrue(action.getActionErrors().contains("some action error 2"));
        assertTrue(action.getActionMessages().contains("some action messages 1"));
        assertTrue(action.getActionMessages().contains("some action messages 2"));
        assertEquals(action.getFieldErrors().get("field1").size(), 1);
        assertEquals(action.getFieldErrors().get("field2").size(), 1);
        assertEquals(action.getFieldErrors().get("field1").get(0), "some field error 1");
        assertEquals(action.getFieldErrors().get("field2").get(0), "some field error 2");

        EasyMock.verify(mockActionInvocation);
    }

    public void testAutomatic() throws Exception {
        MessageStoreInterceptor interceptor = new MessageStoreInterceptor();
        interceptor.setAllowRequestParameterSwitch(true);
        interceptor.setOperationMode(MessageStoreInterceptor.AUTOMATIC_MODE);


        Map<String, Object> sessionMap = new LinkedHashMap<>();

        ActionSupport action = new ActionSupport();
        action.addActionError("some action error 1");
        action.addActionError("some action error 2");
        action.addActionMessage("some action message 1");
        action.addActionMessage("some action message 2");
        action.addFieldError("field1", "some field error 1");
        action.addFieldError("field2", "some field error 2");

        ActionContext actionContext = ActionContext.of(new HashMap<>()).bind();
        actionContext.setParameters(HttpParameters.create().build());
        actionContext.setSession(sessionMap);

        HttpSession mockedSession = EasyMock.createControl().createMock(HttpSession.class);
        HttpServletRequest mockedRequest = EasyMock.createControl().createMock(HttpServletRequest.class);
        mockedRequest.getSession(false);
        EasyMock.expectLastCall().andReturn(mockedSession);
        EasyMock.expectLastCall().once();
        ServletActionContext.setRequest(mockedRequest);

        EasyMock.replay(mockedRequest);

        // Mock (ActionInvocation)
        ActionInvocation mockActionInvocation = EasyMock.createControl().createMock(ActionInvocation.class);
        mockActionInvocation.getInvocationContext();
        EasyMock.expectLastCall().andReturn(actionContext);
        EasyMock.expectLastCall().anyTimes();

        mockActionInvocation.addPreResultListener(EasyMock.anyObject());
        EasyMock.expectLastCall();

        mockActionInvocation.invoke();
        EasyMock.expectLastCall().andReturn(Action.SUCCESS);

        mockActionInvocation.getAction();
        EasyMock.expectLastCall().andReturn(action);
        EasyMock.expectLastCall().anyTimes();

        EasyMock.replay(mockActionInvocation);

        interceptor.init();
        interceptor.intercept(mockActionInvocation);
        interceptor.destroy();

        EasyMock.verify(mockActionInvocation);
    }

    public void testRequestOperationMode1() {

        Map<String, Object> paramMap = new LinkedHashMap<>();
        paramMap.put("operationMode", new String[]{MessageStoreInterceptor.RETRIEVE_MODE});

        ActionContext actionContext = ActionContext.of(new HashMap<>()).bind();
        actionContext.setParameters(HttpParameters.create(paramMap).build());

        ActionInvocation mockActionInvocation = EasyMock.createControl().createMock(ActionInvocation.class);
        mockActionInvocation.getInvocationContext();
        EasyMock.expectLastCall().andReturn(actionContext);
        EasyMock.expectLastCall().anyTimes();

        EasyMock.replay(mockActionInvocation);

        MessageStoreInterceptor interceptor = new MessageStoreInterceptor();
        String operationMode = interceptor.getRequestOperationMode(mockActionInvocation);

        assertEquals(operationMode, MessageStoreInterceptor.RETRIEVE_MODE);

        EasyMock.verify(mockActionInvocation);
    }

    public void testRequestOperationMode2() {

        Map<String, Object> paramMap = new LinkedHashMap<>();
        paramMap.put("operationMode", new String[]{MessageStoreInterceptor.STORE_MODE});

        ActionContext actionContext = ActionContext.of(new HashMap<>()).bind();
        actionContext.setParameters(HttpParameters.create(paramMap).build());

        ActionInvocation mockActionInvocation = EasyMock.createControl().createMock(ActionInvocation.class);
        mockActionInvocation.getInvocationContext();
        EasyMock.expectLastCall().andReturn(actionContext);
        EasyMock.expectLastCall().anyTimes();

        EasyMock.replay(mockActionInvocation);

        MessageStoreInterceptor interceptor = new MessageStoreInterceptor();
        String operationMode = interceptor.getRequestOperationMode(mockActionInvocation);

        assertEquals(operationMode, MessageStoreInterceptor.STORE_MODE);

        EasyMock.verify(mockActionInvocation);
    }

    public void testRequestOperationMode3() {

        ActionContext actionContext = ActionContext.of(new HashMap<>()).bind();
        actionContext.setParameters(HttpParameters.create().build());

        ActionInvocation mockActionInvocation = EasyMock.createControl().createMock(ActionInvocation.class);
        mockActionInvocation.getInvocationContext();
        EasyMock.expectLastCall().andReturn(actionContext);
        EasyMock.expectLastCall().anyTimes();

        EasyMock.replay(mockActionInvocation);

        MessageStoreInterceptor interceptor = new MessageStoreInterceptor();
        String operationMode = interceptor.getRequestOperationMode(mockActionInvocation);

        assertEquals(operationMode, MessageStoreInterceptor.NONE);

        EasyMock.verify(mockActionInvocation);

    }

}