/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.usergrid.chop.webapp.coordinator.rest;

import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.apache.usergrid.chop.api.RestParams;
import org.apache.usergrid.chop.stack.SetupStackState;
import org.apache.usergrid.chop.webapp.coordinator.StackCoordinator;
import org.safehaus.jettyjam.utils.TestMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.annotation.Nullable;
import javax.ws.rs.Consumes;
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 javax.ws.rs.core.Response;


/**
 * REST operation to get current state.
 */
@Singleton
@Produces( MediaType.APPLICATION_JSON )
@Path( StatusResource.ENDPOINT)
public class StatusResource extends TestableResource implements RestParams {

    public final static String ENDPOINT = "/status";

    private static final Logger LOG = LoggerFactory.getLogger( DestroyResource.class );

    @Inject
    private StackCoordinator stackCoordinator;

    public StatusResource() {
        super( ENDPOINT );
    }


    @POST
    @Consumes( MediaType.APPLICATION_JSON )
    @Produces( MediaType.APPLICATION_JSON )
    public Response status(
            @QueryParam( RestParams.COMMIT_ID ) String commitId,
            @QueryParam( RestParams.MODULE_ARTIFACTID ) String artifactId,
            @QueryParam( RestParams.MODULE_GROUPID ) String groupId,
            @QueryParam( RestParams.MODULE_VERSION ) String version,
            @QueryParam( RestParams.USERNAME ) String user,
            @Nullable @QueryParam( TestMode.TEST_MODE_PROPERTY ) String testMode
    ) {

        if( inTestMode( testMode ) ) {
            LOG.info( "Calling /status in test mode ..." );
            LOG.info( "  Commit Id: {}", commitId );
            LOG.info( "  Group Id: {}", groupId );
            LOG.info( "  Artifact Id: {}", artifactId );
            LOG.info( "  Version: {}", version );
            LOG.info( "  User: {}", user );
        }
        else {
            LOG.info( "Calling /status" );
        }

        SetupStackState status = stackCoordinator.stackStatus( commitId, artifactId, groupId, version, user );

        return Response.status( Response.Status.CREATED )
                .entity( "Current state: " + status )
                .type( MediaType.APPLICATION_JSON )
                .build();
    }
}