/*
    * 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.accesstoken;
  
  import static org.codelibs.core.stream.StreamUtil.stream;
  import static org.codelibs.fess.app.web.admin.accesstoken.AdminAccesstokenAction.getAccessToken;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  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.app.pager.AccessTokenPager;
  import org.codelibs.fess.app.web.CrudMode;
  import org.codelibs.fess.app.web.admin.accesstoken.AdminAccesstokenAction;
  import org.codelibs.fess.app.web.api.ApiResult;
  import org.codelibs.fess.app.web.api.ApiResult.ApiConfigResponse;
  import org.codelibs.fess.app.web.api.ApiResult.ApiConfigsResponse;
  import org.codelibs.fess.app.web.api.ApiResult.ApiResponse;
  import org.codelibs.fess.app.web.api.ApiResult.ApiUpdateResponse;
  import org.codelibs.fess.app.web.api.ApiResult.Status;
  import org.codelibs.fess.app.web.api.admin.FessApiAdminAction;
  import org.codelibs.fess.helper.PermissionHelper;
  import org.codelibs.fess.opensearch.config.exentity.AccessToken;
  import org.codelibs.fess.util.ComponentUtil;
  import org.lastaflute.web.Execute;
  import org.lastaflute.web.response.JsonResponse;
  
  /**
   * API action for admin access token.
   *
   */
  public class ApiAdminAccesstokenAction extends FessApiAdminAction {
  
      /**
       * Default constructor.
       */
      public ApiAdminAccesstokenAction() {
          super();
      }
  
      private static final Logger logger = LogManager.getLogger(ApiAdminAccesstokenAction.class);
  
      // ===================================================================================
      //                                                                           Attribute
      //                                                                           =========
  
      // ===================================================================================
      //                                                                      Search Execute
      //                                                                      ==============
  
      // GET /api/admin/accesstoken
      // PUT /api/admin/accesstoken
      /**
       * Retrieves a list of access token settings.
       *
       * @param body the search body containing filter criteria
       * @return JSON response with access token list
       */
      @Execute
      public JsonResponse<ApiResult> settings(final SearchBody body) {
          validateApi(body, messages -> {});
          final AccessTokenPager pager = copyBeanToNewBean(body, AccessTokenPager.class);
          final List<AccessToken> list = accessTokenService.getAccessTokenList(pager);
          return asJson(new ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                  .total(pager.getAllRecordCount())
                  .status(Status.OK)
                  .result());
      }
  
      // GET /api/admin/accesstoken/setting/{id}
      /**
       * Retrieves a specific access token setting by ID.
       *
       * @param id the access token ID to retrieve
       * @return JSON response with the access token setting
       */
      @Execute
      public JsonResponse<ApiResult> get$setting(final String id) {
          return asJson(new ApiConfigResponse().setting(accessTokenService.getAccessToken(id).map(this::createEditBody).orElseGet(() -> {
              throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
              return null;
          })).status(Status.OK).result());
      }
 
     // POST /api/admin/accesstoken/setting
     /**
      * Creates a new access token setting.
      *
      * @param body the create body containing access token data
      * @return JSON response with the created access token ID
      */
     @Execute
     public JsonResponse<ApiResult> post$setting(final CreateBody body) {
         validateApi(body, messages -> {});
         body.crudMode = CrudMode.CREATE;
         final AccessToken accessToken = getAccessToken(body).map(entity -> {
             entity.setToken(accessTokenHelper.generateAccessToken());
             try {
                 accessTokenService.store(entity);
             } catch (final Exception e) {
                 logger.warn("Failed to process a request.", e);
                 throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
             }
             return entity;
         }).orElseGet(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
             return null;
         });
         return asJson(new ApiUpdateResponse().id(accessToken.getId()).created(true).status(Status.OK).result());
     }
 
     // PUT /api/admin/accesstoken/setting
     /**
      * Updates an existing access token setting.
      *
      * @param body the edit body containing updated access token data
      * @return JSON response with the updated access token ID
      */
     @Execute
     public JsonResponse<ApiResult> put$setting(final EditBody body) {
         validateApi(body, messages -> {});
         body.crudMode = CrudMode.EDIT;
         final AccessToken accessToken = getAccessToken(body).map(entity -> {
             try {
                 accessTokenService.store(entity);
             } catch (final Exception e) {
                 logger.warn("Failed to process a request.", e);
                 throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)));
             }
             return entity;
         }).orElseGet(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, body.id));
             return null;
         });
         return asJson(new ApiUpdateResponse().id(accessToken.getId()).created(false).status(Status.OK).result());
     }
 
     // DELETE /api/admin/accesstoken/setting/{id}
     /**
      * Deletes an access token setting by ID.
      *
      * @param id the access token ID to delete
      * @return JSON response confirming deletion
      */
     @Execute
     public JsonResponse<ApiResult> delete$setting(final String id) {
         accessTokenService.getAccessToken(id).ifPresent(entity -> {
             try {
                 accessTokenService.delete(entity);
                 saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
             } catch (final Exception e) {
                 logger.warn("Failed to process a request.", e);
                 throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)));
             }
         }).orElse(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
         });
         return asJson(new ApiResponse().status(Status.OK).result());
     }
 
     /**
      * Creates an EditBody from an AccessToken entity for API responses.
      * Converts permissions and handles date formatting.
      *
      * @param entity the AccessToken entity to convert
      * @return the EditBody representation of the entity
      */
     protected EditBody createEditBody(final AccessToken entity) {
         final EditBody body = new EditBody();
         copyBeanToBean(entity, body,
                 copyOp -> copyOp.exclude(Constants.PERMISSIONS, AdminAccesstokenAction.EXPIRED_TIME)
                         .excludeNull()
                         .dateConverter(Constants.DEFAULT_DATETIME_FORMAT, AdminAccesstokenAction.EXPIRES));
         final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
         body.permissions = stream(entity.getPermissions()).get(
                 stream -> stream.map(permissionHelper::decode).filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
         body.crudMode = null;
         return body;
 
     }
 }