/*
    * Copyright 2012-2025 CodeLibs Project and the Others.
    *
    * 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
    *
    *     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.codelibs.fess.app.web.admin.elevateword;
  
  import static org.codelibs.core.stream.StreamUtil.split;
  import static org.codelibs.core.stream.StreamUtil.stream;
  
  import java.io.BufferedReader;
  import java.io.BufferedWriter;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.OutputStreamWriter;
  import java.io.Reader;
  import java.io.Writer;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.codelibs.core.beans.util.BeanUtil;
  import org.codelibs.core.concurrent.CommonPoolUtil;
  import org.codelibs.core.lang.StringUtil;
  import org.codelibs.fess.Constants;
  import org.codelibs.fess.annotation.Secured;
  import org.codelibs.fess.app.pager.ElevateWordPager;
  import org.codelibs.fess.app.service.ElevateWordService;
  import org.codelibs.fess.app.service.LabelTypeService;
  import org.codelibs.fess.app.web.CrudMode;
  import org.codelibs.fess.app.web.base.FessAdminAction;
  import org.codelibs.fess.exception.FessSystemException;
  import org.codelibs.fess.helper.PermissionHelper;
  import org.codelibs.fess.helper.SuggestHelper;
  import org.codelibs.fess.helper.SystemHelper;
  import org.codelibs.fess.opensearch.config.exentity.ElevateWord;
  import org.codelibs.fess.util.ComponentUtil;
  import org.codelibs.fess.util.RenderDataUtil;
  import org.dbflute.optional.OptionalEntity;
  import org.dbflute.optional.OptionalThing;
  import org.lastaflute.web.Execute;
  import org.lastaflute.web.response.ActionResponse;
  import org.lastaflute.web.response.HtmlResponse;
  import org.lastaflute.web.response.render.RenderData;
  import org.lastaflute.web.ruts.process.ActionRuntime;
  
  import jakarta.annotation.Resource;
  
  /**
   * Admin action for Elevate Word management.
   *
   */
  public class AdminElevatewordAction extends FessAdminAction {
  
      /**
       * Default constructor.
       */
      public AdminElevatewordAction() {
          super();
      }
  
      /** Role constant for admin elevate word management access control. */
      public static final String ROLE = "admin-elevateword";
  
      private static final Logger logger = LogManager.getLogger(AdminElevatewordAction.class);
  
      // ===================================================================================
      //                                                                           Attribute
      //                                                                           =========
      @Resource
      private ElevateWordService elevateWordService;
      @Resource
      private ElevateWordPager elevateWordPager;
      /** Helper for managing search suggestions and elevate words. */
      @Resource
      protected SuggestHelper suggestHelper;
      @Resource
      private LabelTypeService labelTypeService;
  
      // ===================================================================================
      //                                                                               Hook
      //                                                                              ======
      @Override
      protected void setupHtmlData(final ActionRuntime runtime) {
          super.setupHtmlData(runtime);
          runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNameElevateword()));
     }
 
     @Override
     protected String getActionRole() {
         return ROLE;
     }
 
     // ===================================================================================
     //                                                                      Search Execute
     //                                                                      ==============
     /**
      * Shows the main elevate word management page.
      *
      * @return HTML response for the elevate word list page
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse index() {
         return asListHtml();
     }
 
     /**
      * Lists elevate words with pagination support.
      *
      * @param pageNumber optional page number for pagination
      * @param form search form containing filter criteria
      * @return HTML response with elevate word list
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
         pageNumber.ifPresent(num -> {
             elevateWordPager.setCurrentPageNumber(pageNumber.get());
         }).orElse(() -> {
             elevateWordPager.setCurrentPageNumber(0);
         });
         return asHtml(path_AdminElevateword_AdminElevatewordJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     /**
      * Searches elevate words based on form criteria.
      *
      * @param form search form containing search parameters
      * @return HTML response with filtered elevate word list
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse search(final SearchForm form) {
         copyBeanToBean(form, elevateWordPager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
         return asHtml(path_AdminElevateword_AdminElevatewordJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     /**
      * Resets the search criteria and shows all elevate words.
      *
      * @param form search form to be reset
      * @return HTML response with all elevate words
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse reset(final SearchForm form) {
         elevateWordPager.clear();
         return asHtml(path_AdminElevateword_AdminElevatewordJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     /**
      * Handles search pagination and data preparation for rendering.
      *
      * @param data render data to populate with search results
      * @param form search form containing current search state
      */
     protected void searchPaging(final RenderData data, final SearchForm form) {
         RenderDataUtil.register(data, "elevateWordItems", elevateWordService.getElevateWordList(elevateWordPager)); // page navi
 
         // restore from pager
         copyBeanToBean(elevateWordPager, form, op -> op.include("id"));
     }
 
     // ===================================================================================
     //                                                                        Edit Execute
     //                                                                        ============
     // -----------------------------------------------------
     //                                            Entry Page
     //                                            ----------
     /**
      * Shows the form for creating a new elevate word.
      *
      * @return HTML response for the create elevate word form
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse createnew() {
         saveToken();
         return asHtml(path_AdminElevateword_AdminElevatewordEditJsp).useForm(CreateForm.class, op -> {
             op.setup(form -> {
                 form.initialize();
                 form.crudMode = CrudMode.CREATE;
             });
         }).renderWith(data -> {
             registerLabels(data);
         });
     }
 
     /**
      * Shows the form for editing an existing elevate word.
      *
      * @param form edit form containing the elevate word ID
      * @return HTML response for the edit elevate word form
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse edit(final EditForm form) {
         validate(form, messages -> {}, this::asListHtml);
         final String id = form.id;
         elevateWordService.getElevateWord(id).ifPresent(entity -> {
             copyBeanToBean(entity, form, copyOp -> {
                 copyOp.excludeNull();
                 copyOp.exclude(Constants.PERMISSIONS);
             });
             final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
             form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                     .filter(StringUtil::isNotBlank)
                     .distinct()
                     .collect(Collectors.joining("\n")));
         }).orElse(() -> {
             throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml);
         });
         saveToken();
         if (form.crudMode.intValue() == CrudMode.EDIT) {
             // back
             form.crudMode = CrudMode.DETAILS;
             return asDetailsHtml();
         }
         form.crudMode = CrudMode.EDIT;
         return asEditHtml();
     }
 
     // -----------------------------------------------------
     //                                               Details
     //                                               -------
     /**
      * Shows detailed information for a specific elevate word.
      *
      * @param crudMode CRUD operation mode
      * @param id unique identifier of the elevate word
      * @return HTML response with elevate word details
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse details(final int crudMode, final String id) {
         verifyCrudMode(crudMode, CrudMode.DETAILS, this::asListHtml);
         saveToken();
         final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
         return asHtml(path_AdminElevateword_AdminElevatewordDetailsJsp).useForm(EditForm.class, op -> op.setup(form -> {
             elevateWordService.getElevateWord(id).ifPresent(entity -> {
                 copyBeanToBean(entity, form, copyOp -> {
                     copyOp.excludeNull();
                     copyOp.exclude(Constants.PERMISSIONS);
                 });
                 form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(permissionHelper::decode)
                         .filter(StringUtil::isNotBlank)
                         .distinct()
                         .collect(Collectors.joining("\n")));
                 form.crudMode = crudMode;
             }).orElse(() -> throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml));
         })).renderWith(this::registerLabels);
     }
 
     // -----------------------------------------------------
     //                                              Download
     //                                               -------
     /**
      * Shows the download page for exporting elevate words.
      *
      * @return HTML response for the download page
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse downloadpage() {
         saveToken();
         return asDownloadHtml();
     }
 
     /**
      * Downloads elevate words data as a CSV file.
      *
      * @param form download form with export options
      * @return streaming response containing CSV data
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public ActionResponse download(final DownloadForm form) {
         verifyToken(this::asDownloadHtml);
 
         return asStream("elevate.csv").contentTypeOctetStream().stream(out -> {
             final Path tempFile = ComponentUtil.getSystemHelper().createTempFile("fess-elevate-", ".csv").toPath();
             try {
                 try (Writer writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(tempFile), getCsvEncoding()))) {
                     elevateWordService.exportCsv(writer);
                 } catch (final Exception e) {
                     logger.warn("Failed to process a request.", e);
                     throwValidationError(messages -> messages.addErrorsFailedToDownloadElevateFile(GLOBAL), this::asDownloadHtml);
                 }
                 try (InputStream in = Files.newInputStream(tempFile)) {
                     out.write(in);
                 }
             } finally {
                 Files.delete(tempFile);
             }
         });
     }
 
     // -----------------------------------------------------
     //                                                Upload
     //                                               -------
     /**
      * Shows the upload page for importing elevate words.
      *
      * @return HTML response for the upload page
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse uploadpage() {
         saveToken();
         return asUploadHtml();
     }
 
     // -----------------------------------------------------
     //                                         Actually Crud
     //                                         -------------
     /**
      * Creates a new elevate word entry.
      *
      * @param form create form containing new elevate word data
      * @return redirect response to the main elevate word page
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse create(final CreateForm form) {
         verifyCrudMode(form.crudMode, CrudMode.CREATE, this::asListHtml);
         validate(form, messages -> {}, this::asEditHtml);
         verifyToken(this::asEditHtml);
         getElevateWord(form).ifPresent(entity -> {
             try {
                 elevateWordService.store(entity);
                 suggestHelper.addElevateWord(entity.getSuggestWord(), entity.getReading(), entity.getLabelTypeValues(),
                         entity.getPermissions(), entity.getBoost(), false);
                 saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
             } catch (final Exception e) {
                 logger.warn("Failed to process a request.", e);
                 throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                         this::asEditHtml);
             }
         }).orElse(() -> {
             throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
         });
         return redirect(getClass());
     }
 
     /**
      * Updates an existing elevate word entry.
      *
      * @param form edit form containing updated elevate word data
      * @return redirect response to the main elevate word page
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse update(final EditForm form) {
         verifyCrudMode(form.crudMode, CrudMode.EDIT, this::asListHtml);
         validate(form, messages -> {}, this::asEditHtml);
         verifyToken(this::asEditHtml);
         getElevateWord(form).ifPresent(entity -> {
             try {
                 elevateWordService.store(entity);
                 suggestHelper.deleteAllElevateWord(false);
                 suggestHelper.storeAllElevateWords(false);
                 saveInfo(messages -> messages.addSuccessCrudUpdateCrudTable(GLOBAL));
             } catch (final Exception e) {
                 logger.warn("Failed to process a request.", e);
                 throwValidationError(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)),
                         this::asEditHtml);
             }
         }).orElse(() -> {
             throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, form.id), this::asEditHtml);
         });
         return redirect(getClass());
     }
 
     /**
      * Deletes an existing elevate word entry.
      *
      * @param form edit form containing the elevate word ID to delete
      * @return redirect response to the main elevate word page
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse delete(final EditForm form) {
         verifyCrudMode(form.crudMode, CrudMode.DETAILS, this::asListHtml);
         validate(form, messages -> {}, this::asDetailsHtml);
         verifyToken(this::asDetailsHtml);
         final String id = form.id;
         elevateWordService.getElevateWord(id).ifPresent(entity -> {
             try {
                 elevateWordService.delete(entity);
                 suggestHelper.deleteElevateWord(entity.getSuggestWord(), false);
                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
             } catch (final Exception e) {
                 logger.warn("Failed to process a request.", e);
                 throwValidationError(messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)),
                         this::asEditHtml);
             }
         }).orElse(() -> throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asDetailsHtml));
         return redirect(getClass());
     }
 
     /**
      * Uploads and imports elevate words from a CSV file.
      *
      * @param form upload form containing the CSV file
      * @return redirect response to the main elevate word page
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse upload(final UploadForm form) {
         validate(form, messages -> {}, this::asUploadHtml);
         verifyToken(this::asUploadHtml);
         CommonPoolUtil.execute(() -> {
             try (Reader reader = new BufferedReader(new InputStreamReader(form.elevateWordFile.getInputStream(), getCsvEncoding()))) {
                 elevateWordService.importCsv(reader);
                 suggestHelper.deleteAllElevateWord(false);
                 suggestHelper.storeAllElevateWords(false);
             } catch (final Exception e) {
                 throw new FessSystemException("Failed to import elevate word data: fileName=" + form.elevateWordFile.getFileName(), e);
             }
         });
         saveInfo(messages -> messages.addSuccessUploadElevateWord(GLOBAL));
         return redirect(getClass());
     }
 
     // ===================================================================================
     //                                                                        Assist Logic
     //                                                                        ============
     /**
      * Creates an ElevateWord entity based on the form and operation mode.
      *
      * @param form create form containing elevate word data
      * @param username current user's username
      * @param currentTime current timestamp
      * @return optional ElevateWord entity
      */
     public static OptionalEntity<ElevateWord> getEntity(final CreateForm form, final String username, final long currentTime) {
         switch (form.crudMode) {
         case CrudMode.CREATE:
             return OptionalEntity.of(new ElevateWord()).map(entity -> {
                 entity.setCreatedBy(username);
                 entity.setCreatedTime(currentTime);
                 return entity;
             });
         case CrudMode.EDIT:
             if (form instanceof EditForm) {
                 return ComponentUtil.getComponent(ElevateWordService.class).getElevateWord(((EditForm) form).id);
             }
             break;
         default:
             break;
         }
         return OptionalEntity.empty();
     }
 
     /**
      * Creates and populates an ElevateWord entity from form data.
      *
      * @param form create form containing elevate word data
      * @return optional ElevateWord entity with populated data
      */
     public static OptionalEntity<ElevateWord> getElevateWord(final CreateForm form) {
         final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
         final String username = systemHelper.getUsername();
         final long currentTime = systemHelper.getCurrentTimeAsLong();
 
         return getEntity(form, username, currentTime).map(entity -> {
             entity.setUpdatedBy(username);
             entity.setUpdatedTime(currentTime);
             BeanUtil.copyBeanToBean(form, entity,
                     op -> op.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE), Stream.of(Constants.PERMISSIONS))
                             .toArray(n -> new String[n])));
             final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
             entity.setPermissions(split(form.permissions, "\n").get(
                     stream -> stream.map(permissionHelper::encode).filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n])));
             return entity;
         });
     }
 
     /**
      * Registers label type data for rendering in the view.
      *
      * @param data render data to populate with label information
      */
     protected void registerLabels(final RenderData data) {
         RenderDataUtil.register(data, "labelTypeItems", labelTypeService.getLabelTypeList());
     }
 
     // ===================================================================================
     //                                                                        Small Helper
     //                                                                        ============
     private String getCsvEncoding() {
         return fessConfig.getCsvFileEncoding();
     }
 
     // ===================================================================================
     //                                                                              JSP
     //                                                                           =========
     private HtmlResponse asListHtml() {
         return asHtml(path_AdminElevateword_AdminElevatewordJsp).renderWith(data -> {
             RenderDataUtil.register(data, "elevateWordItems", elevateWordService.getElevateWordList(elevateWordPager)); // page navi
         }).useForm(SearchForm.class, setup -> {
             setup.setup(form -> {
                 copyBeanToBean(elevateWordPager, form, op -> op.include("id"));
             });
         });
     }
 
     private HtmlResponse asEditHtml() {
         return asHtml(path_AdminElevateword_AdminElevatewordEditJsp).renderWith(data -> {
             registerLabels(data);
         });
     }
 
     private HtmlResponse asDetailsHtml() {
         return asHtml(path_AdminElevateword_AdminElevatewordDetailsJsp).renderWith(data -> {
             registerLabels(data);
         });
     }
 
     private HtmlResponse asUploadHtml() {
         return asHtml(path_AdminElevateword_AdminElevatewordUploadJsp).useForm(UploadForm.class);
     }
 
     private HtmlResponse asDownloadHtml() {
         return asHtml(path_AdminElevateword_AdminElevatewordDownloadJsp).useForm(DownloadForm.class);
     }
 }