/*
    * 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.api.admin.dict.kuromoji;
  
  import static org.codelibs.fess.app.web.admin.dict.kuromoji.AdminDictKuromojiAction.createKuromojiItem;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.stream.Collectors;
  
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.codelibs.fess.app.pager.KuromojiPager;
  import org.codelibs.fess.app.service.KuromojiService;
  import org.codelibs.fess.app.web.CrudMode;
  import org.codelibs.fess.app.web.admin.dict.kuromoji.UploadForm;
  import org.codelibs.fess.app.web.api.ApiResult;
  import org.codelibs.fess.app.web.api.admin.FessApiAdminAction;
  import org.codelibs.fess.dict.kuromoji.KuromojiFile;
  import org.codelibs.fess.dict.kuromoji.KuromojiItem;
  import org.lastaflute.web.Execute;
  import org.lastaflute.web.response.JsonResponse;
  import org.lastaflute.web.response.StreamResponse;
  
  import jakarta.annotation.Resource;
  
  /**
   * API action for admin Kuromoji dictionary management.
   * Provides REST endpoints for managing Kuromoji dictionary items in the Fess search engine.
   */
  public class ApiAdminDictKuromojiAction extends FessApiAdminAction {
  
      /**
       * Default constructor.
       */
      public ApiAdminDictKuromojiAction() {
          super();
      }
  
      private static final Logger logger = LogManager.getLogger(ApiAdminDictKuromojiAction.class);
  
      @Resource
      private KuromojiService kuromojiService;
  
      /**
       * Retrieves Kuromoji dictionary settings with pagination support.
       *
       * @param dictId the dictionary ID
       * @param body the search body containing pagination and filter parameters
       * @return JSON response containing list of Kuromoji dictionary items
       */
      // GET /api/admin/dict/kuromoji/settings/{dictId}
      @Execute
      public JsonResponse<ApiResult> get$settings(final String dictId, final SearchBody body) {
          body.dictId = dictId;
          validateApi(body, messages -> {});
          final KuromojiPager pager = copyBeanToNewBean(body, KuromojiPager.class);
          return asJson(new ApiResult.ApiConfigsResponse<EditBody>().settings(kuromojiService.getKuromojiList(body.dictId, pager)
                  .stream()
                  .map(protwordsItem -> createEditBody(protwordsItem, dictId))
                  .collect(Collectors.toList())).status(ApiResult.Status.OK).result());
      }
  
      /**
       * Retrieves a specific Kuromoji dictionary item by ID.
       *
       * @param dictId the dictionary ID
       * @param id the ID of the Kuromoji item to retrieve
       * @return JSON response containing the Kuromoji dictionary item
       */
      // GET /api/admin/dict/kuromoji/setting/{dictId}/{id}
      @Execute
      public JsonResponse<ApiResult> get$setting(final String dictId, final long id) {
          return asJson(new ApiResult.ApiConfigResponse()
                  .setting(kuromojiService.getKuromojiItem(dictId, id).map(entity -> createEditBody(entity, dictId)).orElseGet(() -> {
                      throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, String.valueOf(id)));
                      return null;
                  }))
                  .status(ApiResult.Status.OK)
                  .result());
      }
  
      /**
       * Creates a new Kuromoji dictionary item.
       *
      * @param dictId the dictionary ID
      * @param body the request body containing Kuromoji item information
      * @return JSON response with result status
      */
     // POST /api/admin/dict/kuromoji/setting/{dictId}
     @Execute
     public JsonResponse<ApiResult> post$setting(final String dictId, final CreateBody body) {
         body.dictId = dictId;
         validateApi(body, messages -> {});
         body.crudMode = CrudMode.CREATE;
         final KuromojiItem entity = createKuromojiItem(this, body, () -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
             return null;
         }).orElseGet(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
             return null;
         });
         kuromojiService.store(body.dictId, entity);
         return asJson(
                 new ApiResult.ApiUpdateResponse().id(String.valueOf(entity.getId())).created(true).status(ApiResult.Status.OK).result());
     }
 
     /**
      * Updates an existing Kuromoji dictionary item.
      *
      * @param dictId the dictionary ID
      * @param body the request body containing updated Kuromoji item information
      * @return JSON response with result status
      */
     // PUT /api/admin/dict/kuromoji/setting/{dictId}
     @Execute
     public JsonResponse<ApiResult> put$setting(final String dictId, final EditBody body) {
         body.dictId = dictId;
         validateApi(body, messages -> {});
         body.crudMode = CrudMode.EDIT;
         final KuromojiItem entity = createKuromojiItem(this, body, () -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, String.valueOf(body.id)));
             return null;
         }).orElseGet(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, String.valueOf(body.id)));
             return null;
         });
         kuromojiService.store(body.dictId, entity);
         return asJson(
                 new ApiResult.ApiUpdateResponse().id(String.valueOf(entity.getId())).created(false).status(ApiResult.Status.OK).result());
     }
 
     /**
      * Deletes a Kuromoji dictionary item by ID.
      *
      * @param dictId the dictionary ID
      * @param id the ID of the Kuromoji item to delete
      * @return JSON response indicating the deletion status
      */
     // DELETE /api/admin/dict/kuromoji/setting/{dictId}/{id}
     @Execute
     public JsonResponse<ApiResult> delete$setting(final String dictId, final long id) {
         kuromojiService.getKuromojiItem(dictId, id).ifPresent(entity -> {
             kuromojiService.delete(dictId, entity);
             saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
         }).orElse(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, String.valueOf(id)));
         });
         return asJson(new ApiResult.ApiUpdateResponse().id(String.valueOf(id)).created(false).status(ApiResult.Status.OK).result());
     }
 
     /**
      * Uploads Kuromoji dictionary file.
      *
      * @param dictId the dictionary ID
      * @param form the upload form containing the dictionary file
      * @return JSON response with result status
      */
     // PUT /api/admin/dict/kuromoji/upload/{dictId}
     @Execute
     public JsonResponse<ApiResult> put$upload(final String dictId, final UploadForm form) {
         form.dictId = dictId;
         validateApi(form, messages -> {});
         final KuromojiFile file = kuromojiService.getKuromojiFile(form.dictId).orElseGet(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsFailedToUploadProtwordsFile(GLOBAL));
             return null;
         });
         try (InputStream inputStream = form.kuromojiFile.getInputStream()) {
             file.update(inputStream);
         } catch (final IOException e) {
             logger.warn("Failed to process a request.", e);
             throwValidationErrorApi(messages -> messages.addErrorsFailedToUploadProtwordsFile(GLOBAL));
         }
         return asJson(new ApiResult.ApiResponse().status(ApiResult.Status.OK).result());
     }
 
     /**
      * Downloads Kuromoji dictionary file.
      *
      * @param dictId the dictionary ID
      * @param body the download request body
      * @return stream response containing the dictionary file data
      */
     // GET /api/admin/dict/kuromoji/download/{dictId}
     @Execute
     public StreamResponse get$download(final String dictId, final DownloadBody body) {
         body.dictId = dictId;
         validateApi(body, messages -> {});
         return kuromojiService.getKuromojiFile(body.dictId)
                 .map(file -> asStream(new File(file.getPath()).getName()).contentTypeOctetStream().stream(out -> {
                     file.writeOut(out);
                 }))
                 .orElseGet(() -> {
                     throwValidationErrorApi(messages -> messages.addErrorsFailedToDownloadProtwordsFile(GLOBAL));
                     return null;
                 });
     }
 
     /**
      * Creates an EditBody from a KuromojiItem entity for API responses.
      *
      * @param entity the KuromojiItem entity to convert
      * @param dictId the dictionary ID
      * @return the converted EditBody object
      */
     protected EditBody createEditBody(final KuromojiItem entity, final String dictId) {
         final EditBody body = new EditBody();
         body.id = entity.getId();
         body.dictId = dictId;
         body.token = entity.getToken();
         body.reading = entity.getReading();
         body.pos = entity.getPos();
         body.segmentation = entity.getSegmentation();
         return body;
     }
 }