/*
    * 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.fileconfig;
  
  import static org.codelibs.core.stream.StreamUtil.split;
  import static org.codelibs.core.stream.StreamUtil.stream;
  
  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.lang.StringUtil;
  import org.codelibs.fess.Constants;
  import org.codelibs.fess.annotation.Secured;
  import org.codelibs.fess.app.pager.FileConfigPager;
  import org.codelibs.fess.app.service.FileConfigService;
  import org.codelibs.fess.app.service.LabelTypeService;
  import org.codelibs.fess.app.service.RoleTypeService;
  import org.codelibs.fess.app.web.CrudMode;
  import org.codelibs.fess.app.web.base.FessAdminAction;
  import org.codelibs.fess.helper.PermissionHelper;
  import org.codelibs.fess.helper.SystemHelper;
  import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig.ConfigType;
  import org.codelibs.fess.opensearch.config.exentity.FileConfig;
  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.HtmlResponse;
  import org.lastaflute.web.response.render.RenderData;
  import org.lastaflute.web.ruts.process.ActionRuntime;
  
  import jakarta.annotation.Resource;
  
  /**
   * Admin action for File Config management.
   *
   */
  public class AdminFileconfigAction extends FessAdminAction {
  
      /**
       * Default constructor.
       */
      public AdminFileconfigAction() {
          super();
      }
  
      /** The role name for file configuration administration. */
      public static final String ROLE = "admin-fileconfig";
  
      /** Logger for this class. */
      private static final Logger logger = LogManager.getLogger(AdminFileconfigAction.class);
  
      // ===================================================================================
      //                                                                           Attribute
      //                                                                           =========
      /** Service for file configuration operations. */
      @Resource
      private FileConfigService fileConfigService;
  
      /** Pager for file configuration list pagination. */
      @Resource
      private FileConfigPager fileConfigPager;
  
      /** Service for role type operations. */
      @Resource
      private RoleTypeService roleTypeService;
  
      /** Service for label type operations. */
      @Resource
      private LabelTypeService labelTypeService;
  
      // ===================================================================================
      //                                                                               Hook
      //                                                                              ======
      /**
       * Sets up HTML data for rendering, including help link.
       *
       * @param runtime the action runtime
       */
      @Override
      protected void setupHtmlData(final ActionRuntime runtime) {
          super.setupHtmlData(runtime);
          runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNameFileconfig()));
     }
 
     /**
      * Returns the action role for this admin action.
      *
      * @return the role name
      */
     @Override
     protected String getActionRole() {
         return ROLE;
     }
 
     // ===================================================================================
     //                                                                      Search Execute
     //                                                                      ==============
     /**
      * Displays the file configuration list page.
      *
      * @return HTML response for the list page
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse index() {
         return asListHtml();
     }
 
     /**
      * Displays the file configuration list with pagination.
      *
      * @param pageNumber the page number
      * @param form the search form
      * @return HTML response for the list page
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
         pageNumber.ifPresent(num -> {
             fileConfigPager.setCurrentPageNumber(pageNumber.get());
         }).orElse(() -> {
             fileConfigPager.setCurrentPageNumber(0);
         });
         return asHtml(path_AdminFileconfig_AdminFileconfigJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     /**
      * Searches file configurations based on the form criteria.
      *
      * @param form the search form
      * @return HTML response for the search results
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse search(final SearchForm form) {
         copyBeanToBean(form, fileConfigPager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
         return asHtml(path_AdminFileconfig_AdminFileconfigJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     /**
      * Resets the search criteria and displays the default list.
      *
      * @param form the search form
      * @return HTML response for the reset list
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse reset(final SearchForm form) {
         fileConfigPager.clear();
         return asHtml(path_AdminFileconfig_AdminFileconfigJsp).renderWith(data -> {
             searchPaging(data, form);
         });
     }
 
     /**
      * Sets up data for search result pagination.
      *
      * @param data the render data
      * @param form the search form
      */
     protected void searchPaging(final RenderData data, final SearchForm form) {
         RenderDataUtil.register(data, "fileConfigItems", fileConfigService.getFileConfigList(fileConfigPager)); // page navi
 
         // restore from pager
         copyBeanToBean(fileConfigPager, form, op -> op.include("name", "paths", "description"));
     }
 
     // ===================================================================================
     //                                                                        Edit Execute
     //                                                                        ============
     // -----------------------------------------------------
     //                                            Entry Page
     //                                            ----------
     /**
      * Displays the create new file configuration page.
      *
      * @return HTML response for the create page
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse createnew() {
         saveToken();
         return asHtml(path_AdminFileconfig_AdminFileconfigEditJsp).useForm(CreateForm.class, op -> {
             op.setup(form -> {
                 form.initialize();
                 ComponentUtil.getCrawlingConfigHelper().getDefaultConfig(ConfigType.FILE).ifPresent(entity -> {
                     copyBeanToBean(entity, form, copyOp -> {
                         copyOp.excludeNull();
                         copyOp.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE),
                                 Stream.of(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS)).toArray(n -> new String[n]));
                     });
                     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")));
                     form.virtualHosts = stream(entity.getVirtualHosts())
                             .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                     form.name = null;
                 });
                 form.crudMode = CrudMode.CREATE;
             });
         }).renderWith(data -> {
             registerRolesAndLabels(data);
         });
     }
 
     /**
      * Displays the form for duplicating an existing file crawler configuration.
      *
      * @param id the ID of the file config to duplicate
      * @return HTML response for the file config creation form pre-populated with duplicated values
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse duplicate(final String id) {
         saveToken();
         return asHtml(path_AdminFileconfig_AdminFileconfigEditJsp).useForm(CreateForm.class, op -> {
             op.setup(form -> {
                 form.initialize();
                 fileConfigService.getFileConfig(id).ifPresent(entity -> {
                     copyBeanToBean(entity, form, copyOp -> {
                         copyOp.excludeNull();
                         copyOp.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE),
                                 Stream.of(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS)).toArray(n -> new String[n]));
                     });
                     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")));
                     form.virtualHosts = stream(entity.getVirtualHosts())
                             .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                     form.name = null;
                 }).orElse(() -> {
                     throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml);
                 });
                 form.crudMode = CrudMode.CREATE;
             });
         }).renderWith(data -> {
             registerRolesAndLabels(data);
         });
     }
 
     /**
      * Displays the edit file configuration page.
      *
      * @param form the edit form
      * @return HTML response for the edit page
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse edit(final EditForm form) {
         validate(form, messages -> {}, this::asListHtml);
         final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
         final String id = form.id;
         fileConfigService.getFileConfig(id).ifPresent(entity -> {
             copyBeanToBean(entity, form, copyOp -> {
                 copyOp.excludeNull();
                 copyOp.exclude(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS);
             });
             form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(permissionHelper::decode)
                     .filter(StringUtil::isNotBlank)
                     .distinct()
                     .collect(Collectors.joining("\n")));
             form.virtualHosts = stream(entity.getVirtualHosts())
                     .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).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
     //                                               -------
     /**
      * Displays the file configuration details page.
      *
      * @param crudMode the CRUD mode
      * @param id the file configuration ID
      * @return HTML response for the details page
      */
     @Execute
     @Secured({ ROLE, ROLE + VIEW })
     public HtmlResponse details(final int crudMode, final String id) {
         verifyCrudMode(crudMode, CrudMode.DETAILS, this::asListHtml);
         saveToken();
         return asHtml(path_AdminFileconfig_AdminFileconfigDetailsJsp).useForm(EditForm.class, op -> op.setup(form -> {
             fileConfigService.getFileConfig(id).ifPresent(entity -> {
                 copyBeanToBean(entity, form, copyOp -> {
                     copyOp.excludeNull();
                     copyOp.exclude(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS);
                 });
                 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")));
                 form.virtualHosts = stream(entity.getVirtualHosts())
                         .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                 form.crudMode = crudMode;
             }).orElse(() -> throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml));
         })).renderWith(this::registerRolesAndLabels);
     }
 
     // -----------------------------------------------------
     //                                         Actually Crud
     //                                         -------------
     /**
      * Creates a new file configuration.
      *
      * @param form the create form
      * @return HTML response after creation
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse create(final CreateForm form) {
         verifyCrudMode(form.crudMode, CrudMode.CREATE, this::asListHtml);
         validate(form, messages -> {}, this::asEditHtml);
         verifyToken(this::asEditHtml);
         getFileConfig(form).ifPresent(entity -> {
             try {
                 fileConfigService.store(entity);
                 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 file configuration.
      *
      * @param form the edit form
      * @return HTML response after update
      */
     @Execute
     @Secured({ ROLE })
     public HtmlResponse update(final EditForm form) {
         verifyCrudMode(form.crudMode, CrudMode.EDIT, this::asListHtml);
         validate(form, messages -> {}, this::asEditHtml);
         verifyToken(this::asEditHtml);
         getFileConfig(form).ifPresent(entity -> {
             try {
                 fileConfigService.store(entity);
                 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 a file configuration.
      *
      * @param form the edit form
      * @return HTML response after deletion
      */
     @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;
         fileConfigService.getFileConfig(id).ifPresent(entity -> {
             try {
                 fileConfigService.delete(entity);
                 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());
     }
 
     // ===================================================================================
     //                                                                        Assist Logic
     //                                                                        ============
     /**
      * Gets a file configuration entity based on the form and current user info.
      *
      * @param form the create form
      * @param username the current username
      * @param currentTime the current time
      * @return optional file configuration entity
      */
     public static OptionalEntity<FileConfig> getEntity(final CreateForm form, final String username, final long currentTime) {
         switch (form.crudMode) {
         case CrudMode.CREATE:
             return OptionalEntity.of(new FileConfig()).map(entity -> {
                 entity.setCreatedBy(username);
                 entity.setCreatedTime(currentTime);
                 return entity;
             });
         case CrudMode.EDIT:
             if (form instanceof EditForm) {
                 return ComponentUtil.getComponent(FileConfigService.class).getFileConfig(((EditForm) form).id);
             }
             break;
         default:
             break;
         }
         return OptionalEntity.empty();
     }
 
     /**
      * Gets a file configuration entity from the form with system info.
      *
      * @param form the create form
      * @return optional file configuration entity
      */
     public static OptionalEntity<FileConfig> getFileConfig(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);
             copyBeanToBean(form, entity,
                     op -> op.exclude(Stream
                             .concat(Stream.of(Constants.COMMON_CONVERSION_RULE), Stream.of(Constants.PERMISSIONS, Constants.VIRTUAL_HOSTS))
                             .toArray(n -> new String[n])));
             entity.setPermissions(encodePermissions(form.permissions));
             entity.setVirtualHosts(split(form.virtualHosts, "\n")
                     .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().map(String::trim).toArray(n -> new String[n])));
             return entity;
         });
     }
 
     /**
      * Registers roles and labels for the dropdown lists.
      *
      * @param data the render data
      */
     protected void registerRolesAndLabels(final RenderData data) {
         RenderDataUtil.register(data, "labelSettingEnabled", fessConfig.isFormAdminLabelInConfigEnabled());
         RenderDataUtil.register(data, "roleTypeItems", roleTypeService.getRoleTypeList());
         RenderDataUtil.register(data, "labelTypeItems", labelTypeService.getLabelTypeList());
     }
 
     // ===================================================================================
     //                                                                        Small Helper
     //                                                                        ============
     //                                                                              JSP
     //                                                                           =========
 
     /**
      * Returns HTML response for the list page.
      *
      * @return HTML response for the list page
      */
     private HtmlResponse asListHtml() {
         return asHtml(path_AdminFileconfig_AdminFileconfigJsp).renderWith(data -> {
             RenderDataUtil.register(data, "fileConfigItems", fileConfigService.getFileConfigList(fileConfigPager)); // page navi
         }).useForm(SearchForm.class, setup -> {
             setup.setup(form -> {
                 copyBeanToBean(fileConfigPager, form, op -> op.include("name", "paths", "description"));
             });
         });
     }
 
     /**
      * Returns HTML response for the edit page.
      *
      * @return HTML response for the edit page
      */
     private HtmlResponse asEditHtml() {
         return asHtml(path_AdminFileconfig_AdminFileconfigEditJsp).renderWith(data -> {
             registerRolesAndLabels(data);
         });
     }
 
     /**
      * Returns HTML response for the details page.
      *
      * @return HTML response for the details page
      */
     private HtmlResponse asDetailsHtml() {
         return asHtml(path_AdminFileconfig_AdminFileconfigDetailsJsp).renderWith(data -> {
             registerRolesAndLabels(data);
         });
     }
 }