/**
******************************************************************************
* Copyright © 2018 PTA GmbH.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* 
*     http://www.eclipse.org/legal/epl-v10.html
* 
******************************************************************************
*/

package org.eclipse.openk.resources;


import org.apache.log4j.Logger;
import org.eclipse.openk.core.common.JsonGeneratorBase;
import org.eclipse.openk.core.controller.DispatchController;
import org.hibernate.validator.constraints.NotEmpty;
import org.eclipse.openk.api.ServiceRequestEnvelope;
import org.eclipse.openk.core.controller.BackendController;
import org.eclipse.openk.core.controller.BaseWebService;
import org.eclipse.openk.core.exceptions.HttpStatusException;

import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

@Path("/mics/central")
@Produces(MediaType.APPLICATION_JSON)
public class MicsCentralResource extends BaseWebService{
    private static Logger logger = Logger.getLogger(MicsCentralResource.class.getName());

    public MicsCentralResource() {
        super(logger);
    }

    @GET
    @Path("/serviceDistribution/{clustername}")
    public Response getServiceDistribution(@PathParam("clustername") @NotEmpty String clustername) {
        return invokeRunnable(() -> new BackendController().readServerDistribution(clustername));
    }

    @GET
    @Path("/serviceHealthState/{clustername}/{servicename}")
    public Response getClusterHealthState(@PathParam("clustername") @NotEmpty String clustername,
                                          @PathParam("servicename") @NotEmpty String servicename) {
        return invokeRunnable(() -> new BackendController().getServiceHealthState(clustername, servicename));
    }

    @POST
    @Path("/dispatch/{clustername}")
    public Response dispatch(String envelope,
                             @PathParam("clustername") @NotEmpty String clustername) {
        ServiceRequestEnvelope envObj = JsonGeneratorBase.getGson().fromJson(envelope, ServiceRequestEnvelope.class);

        try {
            return new DispatchController().dispatch(clustername, envObj);
        } catch (HttpStatusException hse) {
            logger.error(hse);
            return Response.status(hse.getHttpStatus()).build();
        }
    }


    @GET
    @Path("/versionInfo")
    public Response getVersionInfo() {
        return invokeRunnable(() -> new BackendController().getVersionInfo(getVersionString()));
    }
}