/*
    * The coLAB project
    * Copyright (C) 2021-2023 AlbaSim, MEI, HEIG-VD, HES-SO
    *
    * Licensed under the MIT License
    */
   package ch.colabproject.colab.api.rest.monitoring;
   
   import ch.colabproject.colab.api.controller.monitoring.LevelDescriptor;
  import ch.colabproject.colab.api.controller.monitoring.MonitoringManager;
  import ch.colabproject.colab.api.controller.monitoring.VersionDetails;
  import ch.colabproject.colab.generator.model.annotations.AdminResource;
  import java.util.Map;
  import javax.inject.Inject;
  import javax.ws.rs.Consumes;
  import javax.ws.rs.GET;
  import javax.ws.rs.Path;
  import javax.ws.rs.PathParam;
  import javax.ws.rs.Produces;
  import javax.ws.rs.core.MediaType;
  
  /**
   * REST MonitoringRestEndpoint to monitor the system
   *
   * @author maxence
   */
  @Path("monitoring")
  @Consumes(MediaType.APPLICATION_JSON)
  @Produces(MediaType.APPLICATION_JSON)
  public class MonitoringRestEndpoint {
  
      /**
       * Monitoring business logic
       */
      @Inject
      private MonitoringManager monitoringManager;
  
      /**
       * Simple dummy method which return 200 OK
       *
       * @return "Running"
       */
      @GET
      @Path("status")
      public String getStatus() {
          return "Running";
      }
  
      /**
       * Get current version
       *
       * @return details about current deployed version
       */
      @GET
      @Path("version")
      public VersionDetails getVersion() {
          return monitoringManager.getVersionDetails();
      }
  
      /**
       * Change level of a logger
       *
       * @param loggerName name of the logger to update
       * @param level      new level of the logger
       */
      @GET
      @Path("SetLoggerLevel/{loggerName}/{level}")
      @AdminResource
      public void changeLoggerLevel(
          @PathParam("loggerName") String loggerName,
          @PathParam("level") String level
      ) {
          monitoringManager.changeLogerLevelClusterWide(loggerName, level);
      }
  
      /**
       * Get the description of all known co.LAB logger by providing their current level.
       *
       * @return all known levelDescriptor mapped by the name of the logger
       */
      @GET
      @Path("GetLoggerLevels")
      @AdminResource
      public Map<String, LevelDescriptor> getLoggerLevels() {
          return monitoringManager.getLoggerLevels();
      }
  }