package com.hubspot.singularity.resources;

import java.util.Set;

import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;

import com.google.common.base.Optional;
import com.google.inject.Inject;
import com.hubspot.singularity.SingularityService;
import com.hubspot.singularity.SingularityUser;
import com.hubspot.singularity.auth.SingularityAuthorizationHelper;
import com.hubspot.singularity.data.InactiveSlaveManager;
import com.wordnik.swagger.annotations.Api;

@Path(InactiveSlaveResource.PATH)
@Produces(MediaType.APPLICATION_JSON)
@Api(description="Manages Singularity Deploys for existing requests", value=DisastersResource.PATH)
public class InactiveSlaveResource {
  public static final String PATH = SingularityService.API_BASE_PATH + "/inactive";

  private final InactiveSlaveManager inactiveSlaveManager;
  private final SingularityAuthorizationHelper authorizationHelper;
  private final Optional<SingularityUser> user;


  @Inject
  public InactiveSlaveResource(InactiveSlaveManager inactiveSlaveManager,
                               SingularityAuthorizationHelper authorizationHelper,
                               Optional<SingularityUser> user) {
    this.inactiveSlaveManager = inactiveSlaveManager;
    this.authorizationHelper = authorizationHelper;
    this.user = user;
  }

  @GET
  public Set<String> getInactiveSlaves() {
    return inactiveSlaveManager.getInactiveSlaves();
  }

  @POST
  public void deactivateSlave(@QueryParam("host") String host) {
    authorizationHelper.checkAdminAuthorization(user);
    inactiveSlaveManager.deactivateSlave(host);
  }

  @DELETE
  public void reactivateSlave(@QueryParam("host") String host) {
    authorizationHelper.checkAdminAuthorization(user);
    inactiveSlaveManager.activateSlave(host);
  }
}