package com.armedia.acm.plugins.task.web.api;

/*-
 * #%L
 * ACM Default Plugin: Tasks
 * %%
 * Copyright (C) 2014 - 2018 ArkCase LLC
 * %%
 * This file is part of the ArkCase software. 
 * 
 * If the software was purchased under a paid ArkCase license, the terms of 
 * the paid license agreement will prevail.  Otherwise, the software is 
 * provided under the following open source license terms:
 * 
 * ArkCase is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *  
 * ArkCase is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with ArkCase. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

import static org.easymock.EasyMock.capture;
import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

import com.armedia.acm.core.exceptions.AcmAppErrorJsonMsg;
import com.armedia.acm.plugins.ecm.model.AcmContainer;
import com.armedia.acm.plugins.ecm.model.AcmFolder;
import com.armedia.acm.plugins.ecm.model.EcmFile;
import com.armedia.acm.plugins.ecm.service.EcmFileService;
import com.armedia.acm.plugins.task.model.AcmApplicationTaskEvent;
import com.armedia.acm.plugins.task.model.AcmTask;
import com.armedia.acm.plugins.task.service.TaskDao;
import com.armedia.acm.plugins.task.service.TaskEventPublisher;
import com.armedia.acm.plugins.task.service.impl.CreateAdHocTaskService;
import com.armedia.acm.services.search.exception.SolrException;
import com.armedia.acm.services.search.model.solr.SolrCore;
import com.armedia.acm.services.search.service.ExecuteSolrQuery;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.easymock.Capture;
import org.easymock.EasyMockSupport;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockHttpSession;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.security.core.Authentication;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.request.MockMultipartHttpServletRequestBuilder;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver;

import java.nio.charset.StandardCharsets;
import java.util.Date;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
import java.util.stream.Stream;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:/spring/spring-web-acm-web.xml",
        "classpath:/spring/spring-library-task-plugin-unit-test.xml" })
public class CreateAdHocTaskAPIControllerTest extends EasyMockSupport
{
    private MockMvc mockMvc;
    private MockHttpSession mockHttpSession;

    private CreateAdHocTaskAPIController unit;

    private TaskDao mockTaskDao;
    private TaskEventPublisher mockTaskEventPublisher;
    private Authentication mockAuthentication;
    private ExecuteSolrQuery mockExecuteSolrQuery;
    private EcmFileService mockEcmFileService;

    @Autowired
    private ExceptionHandlerExceptionResolver exceptionResolver;

    private Logger log = LogManager.getLogger(getClass());

    @Before
    public void setUp() throws Exception
    {
        mockTaskDao = createMock(TaskDao.class);
        mockTaskEventPublisher = createMock(TaskEventPublisher.class);
        mockHttpSession = new MockHttpSession();
        mockAuthentication = createMock(Authentication.class);
        mockExecuteSolrQuery = createMock(ExecuteSolrQuery.class);
        mockEcmFileService = createMock(EcmFileService.class);

        unit = new CreateAdHocTaskAPIController();
        CreateAdHocTaskService createAdHocTaskService = new CreateAdHocTaskService();
        createAdHocTaskService.setExecuteSolrQuery(mockExecuteSolrQuery);

        createAdHocTaskService.setTaskDao(mockTaskDao);
        createAdHocTaskService.setTaskEventPublisher(mockTaskEventPublisher);
        createAdHocTaskService.setEcmFileService(mockEcmFileService);

        unit.setCreateAdHocTaskService(createAdHocTaskService);

        mockMvc = MockMvcBuilders.standaloneSetup(unit).setHandlerExceptionResolvers(exceptionResolver).build();
    }

    @Test
    public void createAdHocTask() throws Exception
    {
        String name = "20140827_202";
        String type = "COMPLAINT";
        String query = "object_type_s:" + type;
        query += " AND name:" + name + " AND -status_lcs:DELETE";

        String solrResponse = "{ \"responseHeader\": { \"status\": 0, \"QTime\": 5, \"params\": { \"indent\": \"true\", \"q\": \"name: 20140827_202,\", \"_\": \"1411491195199\", \"wt\": \"json\" } }, \"response\": { \"numFound\": 1, \"start\": 0, \"docs\": [ { \"status_lcs\": \"DRAFT\", \"create_dt\": \"2014-08-27T16:04:25Z\", \"title_t\": \"Test complaint for report\", \"object_id_s\": \"202\", \"owner_lcs\": \"ann-acm\", \"deny_acl_ss\": [ \"TEST-DENY-ACL\" ], \"object_type_s\": \"COMPLAINT\", \"allow_acl_ss\": [ \"TEST-ALLOW-ACL\" ], \"id\": \"202-Complaint\", \"modifier_lcs\": \"ann-acm\", \"author\": \"ann-acm\", \"creator_lcs\": \"ann-acm\", \"last_modified\": \"2014-08-27T16:04:25Z\", \"name\": \"20140827_202\", \"_version_\": 1477621708197200000 } ] } }  ";

        Long taskId = 500L;
        String ipAddress = "ipAddress";

        AcmTask adHoc = new AcmTask();
        adHoc.setAssignee("assignee");
        adHoc.setAttachedToObjectType(type);
        adHoc.setDetails("details");
        adHoc.setPercentComplete(23);
        adHoc.setStatus("ASSIGNED");
        adHoc.setTaskStartDate(new Date());
        adHoc.setTitle("title");
        adHoc.setAttachedToObjectName(name);

        AcmFolder folder = new AcmFolder();
        folder.setCmisFolderId("alfresco");
        AcmContainer container = new AcmContainer();
        container.setAttachmentFolder(folder);
        adHoc.setContainer(container);

        AcmTask found = new AcmTask();
        found.setAssignee(adHoc.getAssignee());
        found.setTaskId(taskId);
        found.setStatus("ASSIGNED");
        found.setContainer(container);

        Capture<AcmTask> taskSentToDao = Capture.newInstance();
        Capture<AcmApplicationTaskEvent> capturedEvent = Capture.newInstance();

        ObjectMapper objectMapper = new ObjectMapper();
        String inJson = objectMapper.writeValueAsString(adHoc);

        List<MultipartFile> files = Stream.of(
                new MockMultipartFile("files", "filename.txt", MediaType.TEXT_PLAIN_VALUE, "hello".getBytes(StandardCharsets.UTF_8)),
                new MockMultipartFile("files", "filename.txt", MediaType.TEXT_PLAIN_VALUE, "hello2".getBytes(StandardCharsets.UTF_8)))
                .collect(Collectors.toList());

        mockHttpSession.setAttribute("acm_ip_address", ipAddress);

        expect(mockTaskDao.createAdHocTask(capture(taskSentToDao))).andReturn(found);
        expect(mockExecuteSolrQuery.getResultsByPredefinedQuery(mockAuthentication, SolrCore.ADVANCED_SEARCH, query, 0, 10, ""))
                .andReturn(solrResponse).atLeastOnce();

        Capture<MultipartFile>  captureFile1 = Capture.newInstance();
        expect(mockEcmFileService.upload(eq(files.get(0).getOriginalFilename()), eq("Other"), capture(captureFile1), eq(mockAuthentication),
                eq(folder.getCmisFolderId()),
                eq(found.getObjectType()),
                eq(found.getTaskId()))).andReturn(new EcmFile());

        Capture<MultipartFile>  captureFile2 = Capture.newInstance();
        expect(mockEcmFileService.upload(eq(files.get(1).getOriginalFilename()), eq("Other"), capture(captureFile2), eq(mockAuthentication),
                eq(folder.getCmisFolderId()),
                eq(found.getObjectType()),
                eq(found.getTaskId()))).andReturn(new EcmFile());

        mockTaskEventPublisher.publishTaskEvent(capture(capturedEvent));

        // MVC test classes must call getName() somehow
        expect(mockAuthentication.getName()).andReturn("user").atLeastOnce();
        
        MockMultipartFile task = new MockMultipartFile("task", "", MediaType.APPLICATION_JSON_VALUE,
                inJson.getBytes(StandardCharsets.UTF_8));

        MockMultipartHttpServletRequestBuilder builder = MockMvcRequestBuilders.multipart("/api/v1/plugin/task/adHocTask");
        builder.with(request -> {
            request.setMethod("POST");
            return request;
        });

        files.forEach(f -> builder.file((MockMultipartFile) f));

        replayAll();

        MvcResult result = mockMvc.perform(builder.file(task).session(mockHttpSession)
                .principal(mockAuthentication)).andReturn();

        assertEquals(HttpStatus.OK.value(), result.getResponse().getStatus());
        assertTrue(Objects.requireNonNull(result.getResponse().getContentType()).startsWith(MediaType.APPLICATION_JSON_VALUE));

        AcmTask sentToDao = taskSentToDao.getValue();
        assertNull(sentToDao.getTaskId());
        assertEquals(adHoc.getAssignee(), sentToDao.getAssignee());

        String returned = result.getResponse().getContentAsString();

        log.info("results: [{}]", returned);

        AcmTask newTask = objectMapper.readValue(returned, AcmTask.class);

        assertNotNull(newTask);
        assertEquals(newTask.getTaskId(), found.getTaskId());

        AcmApplicationTaskEvent event = capturedEvent.getValue();
        assertEquals(taskId, event.getObjectId());
        assertEquals("TASK", event.getObjectType());
        assertTrue(event.isSucceeded());
        assertEquals(new String(files.get(0).getBytes()), new String(captureFile1.getValue().getBytes()));
        assertEquals(new String(files.get(1).getBytes()), new String(captureFile2.getValue().getBytes()));
    }

    @Test
    public void createAdHocTask_exception() throws Exception
    {
        String name = "20140827_202";
        String type = "COMPLAINT";
        String query = "object_type_s:" + type;
        query += " AND name:" + name + " AND -status_lcs:DELETE";

        String ipAddress = "ipAddress";

        AcmTask adHoc = new AcmTask();
        adHoc.setAssignee("assignee");
        adHoc.setParentObjectType(type);
        adHoc.setAttachedToObjectName(name);
        adHoc.setAttachedToObjectType(type);

        ObjectMapper objectMapper = new ObjectMapper();
        String inJson = objectMapper.writeValueAsString(adHoc);

        List<MultipartFile> files = Stream.of(
                new MockMultipartFile("files", "filename.txt", MediaType.TEXT_PLAIN_VALUE, "hello".getBytes(StandardCharsets.UTF_8)),
                new MockMultipartFile("files", "filename.txt", MediaType.TEXT_PLAIN_VALUE, "hello2".getBytes(StandardCharsets.UTF_8)))
                .collect(Collectors.toList());

        mockHttpSession.setAttribute("acm_ip_address", ipAddress);

        expect(mockExecuteSolrQuery
                .getResultsByPredefinedQuery(mockAuthentication, SolrCore.ADVANCED_SEARCH, query, 0, 10, ""))
                        .andThrow(new SolrException("test Exception"));

        // MVC test classes must call getName() somehow
        expect(mockAuthentication.getName()).andReturn("user").atLeastOnce();

        replayAll();

        Exception exception = null;

        try
        {

            MockMultipartFile templateConfiguration = new MockMultipartFile("task", "", MediaType.APPLICATION_JSON_VALUE,
                    inJson.getBytes(StandardCharsets.UTF_8));

            MockMultipartHttpServletRequestBuilder builder = MockMvcRequestBuilders.multipart("/api/v1/plugin/task/adHocTask");
            builder.with(request -> {
                request.setMethod("POST");
                return request;
            });

            files.forEach(f -> builder.file((MockMultipartFile) f));
            
            mockMvc.perform(builder.file(templateConfiguration).session(mockHttpSession)
                    .principal(mockAuthentication))
                    .andExpect(status().isBadRequest())
                    .andExpect(content().contentType(MediaType.TEXT_PLAIN));
        }
        catch (Exception e)
        {
            exception = e;
        }


        assertNotNull(exception);
        assertTrue(exception.getCause() instanceof AcmAppErrorJsonMsg);
    }

}