/*
    * Copyright 2012-2021 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.scheduler;
  
  import static org.codelibs.fess.app.web.admin.scheduler.AdminSchedulerAction.getScheduledJob;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  import javax.annotation.Resource;
  
  import org.codelibs.fess.Constants;
  import org.codelibs.fess.app.pager.SchedulerPager;
  import org.codelibs.fess.app.service.ScheduledJobService;
  import org.codelibs.fess.app.web.CrudMode;
  import org.codelibs.fess.app.web.api.ApiResult;
  import org.codelibs.fess.app.web.api.ApiResult.ApiResponse;
  import org.codelibs.fess.app.web.api.ApiResult.Status;
  import org.codelibs.fess.app.web.api.admin.FessApiAdminAction;
  import org.codelibs.fess.es.config.exentity.ScheduledJob;
  import org.lastaflute.web.Execute;
  import org.lastaflute.web.response.HtmlResponse;
  import org.lastaflute.web.response.JsonResponse;
  
  public class ApiAdminSchedulerAction extends FessApiAdminAction {
  
      @Resource
      private ScheduledJobService scheduledJobService;
  
      @Execute
      public HtmlResponse index() {
          throw new UnsupportedOperationException();
      }
  
      // POST /api/admin/scheduler/{id}/start
      @Execute(urlPattern = "{}/@word")
      public JsonResponse<ApiResult> post$start(final String id) {
          scheduledJobService.getScheduledJob(id).ifPresent(entity -> {
              if (!entity.isEnabled() || entity.isRunning()) {
                  throwValidationErrorApi(messages -> {
                      messages.addErrorsFailedToStartJob(GLOBAL, entity.getName());
                  });
              }
              try {
                  entity.start();
              } catch (final Exception e) {
                  throwValidationErrorApi(messages -> {
                      messages.addErrorsFailedToStartJob(GLOBAL, entity.getName());
                  });
              }
          }).orElse(() -> {
              throwValidationErrorApi(messages -> {
                  messages.addErrorsFailedToStartJob(GLOBAL, id);
              });
          });
          return asJson(new ApiResponse().status(Status.OK).result());
      }
  
      // POST /api/admin/scheduler/{id}/stop
      @Execute(urlPattern = "{}/@word")
      public JsonResponse<ApiResult> post$stop(final String id) {
          scheduledJobService.getScheduledJob(id).ifPresent(entity -> {
              try {
                  entity.stop();
              } catch (final Exception e) {
                  throwValidationErrorApi(messages -> {
                      messages.addErrorsFailedToStopJob(GLOBAL, entity.getName());
                  });
              }
          }).orElse(() -> {
              throwValidationErrorApi(messages -> {
                  messages.addErrorsFailedToStartJob(GLOBAL, id);
              });
          });
          return asJson(new ApiResponse().status(Status.OK).result());
      }
  
      // GET /api/admin/scheduler
      // POST /api/admin/scheduler
      @Execute
      public JsonResponse<ApiResult> settings(final SearchBody body) {
          validateApi(body, messages -> {});
          final SchedulerPager pager = copyBeanToNewBean(body, SchedulerPager.class);
          final List<ScheduledJob> list = scheduledJobService.getScheduledJobList(pager);
          return asJson(
                  new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                         .total(pager.getAllRecordCount()).status(ApiResult.Status.OK).result());
     }
 
     // GET /api/admin/scheduler/setting/{id}
     @Execute
     public JsonResponse<ApiResult> get$setting(final String id) {
         return asJson(new ApiResult.ApiConfigResponse()
                 .setting(scheduledJobService.getScheduledJob(id).map(this::createEditBody).orElseGet(() -> {
                     throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
                     return null;
                 })).status(ApiResult.Status.OK).result());
     }
 
     // PUT /api/admin/scheduler/setting
     @Execute
     public JsonResponse<ApiResult> put$setting(final CreateBody body) {
         validateApi(body, messages -> {});
         body.crudMode = CrudMode.CREATE;
         final ScheduledJob entity = getScheduledJob(body).orElseGet(() -> {
             throwValidationErrorApi(messages -> {
                 messages.addErrorsCrudFailedToCreateInstance(GLOBAL);
             });
             return null;
         });
         try {
             scheduledJobService.store(entity);
             saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
         } catch (final Exception e) {
             throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
         }
         return asJson(new ApiResult.ApiUpdateResponse().id(entity.getId()).created(true).status(ApiResult.Status.OK).result());
     }
 
     // POST /api/admin/scheduler/setting
     @Execute
     public JsonResponse<ApiResult> post$setting(final EditBody body) {
         validateApi(body, messages -> {});
         body.crudMode = CrudMode.EDIT;
         final ScheduledJob entity = getScheduledJob(body).orElseGet(() -> {
             throwValidationErrorApi(messages -> {
                 messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, body.id);
             });
             return null;
         });
         try {
             scheduledJobService.store(entity);
         } catch (final Exception e) {
             throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToUpdateCrudTable(GLOBAL, buildThrowableMessage(e)));
         }
         return asJson(new ApiResult.ApiUpdateResponse().id(entity.getId()).created(false).status(ApiResult.Status.OK).result());
     }
 
     // DELETE /api/admin/scheduler/setting/{id}
     @Execute
     public JsonResponse<ApiResult> delete$setting(final String id) {
         final ScheduledJob entity = scheduledJobService.getScheduledJob(id).orElseGet(() -> {
             throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
             return null;
         });
         try {
             scheduledJobService.delete(entity);
             saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
         } catch (final Exception e) {
             throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)));
         }
         return asJson(new ApiResult.ApiUpdateResponse().id(id).created(false).status(ApiResult.Status.OK).result());
     }
 
     protected EditBody createEditBody(final ScheduledJob entity) {
         final EditBody body = new EditBody();
         copyBeanToBean(entity, body, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
         body.running = entity.isRunning();
         return body;
     }
 
 }