/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.be.servlets;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;

import org.openecomp.sdc.be.config.Configuration;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.common.servlets.BasicServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.jcabi.aspects.Loggable;

/**
 * Root resource (exposed at "/" path)
 */
@Loggable(prepend = true, value = Loggable.DEBUG, trim = false)
@Path("/configmgr")
public class ConfigMgrServlet extends BasicServlet {

    private static final Logger log = LoggerFactory.getLogger(ConfigMgrServlet.class);

    @GET
    @Path("/get")
    @Produces(MediaType.APPLICATION_JSON)
    public String getConfig(@Context final HttpServletRequest request, @QueryParam("type") String type) {

        String result = null;

        ServletContext context = request.getSession().getServletContext();

        ConfigurationManager configurationManager = (ConfigurationManager) context.getAttribute(Constants.CONFIGURATION_MANAGER_ATTR);

        if (type == null || type.equals("configuration")) {

            Configuration configuration = configurationManager.getConfiguration();
            if (configuration == null) {
                log.warn("Configuration of type {} was not found", Configuration.class);
            } else {
                log.info("The value returned from getConfig is {}", configuration);

                result = gson.toJson(configuration);

            }
        }

        return result;

    }

    @POST
    @Path("/set1")
    @Produces(MediaType.TEXT_PLAIN)
    @Consumes(MediaType.APPLICATION_JSON)
    public String setConfig1(@Context final HttpServletRequest request, Configuration configuration) {

        log.debug("{}", configuration);

        return "ok";

    }

    @POST
    @Path("/set2")
    @Produces(MediaType.TEXT_PLAIN)
    @Consumes(MediaType.APPLICATION_JSON)
    public void setConfig2(@Context final HttpServletRequest request, Configuration configuration) {

        log.debug("{}", configuration);

    }

    @PUT
    @Path("/setput1")
    @Produces(MediaType.TEXT_PLAIN)
    @Consumes(MediaType.APPLICATION_JSON)
    public String setConfig3(@Context final HttpServletRequest request, Configuration configuration) {

        log.debug("{}", configuration);

        return "ok";

    }

    @PUT
    @Path("/setput2")
    @Produces(MediaType.TEXT_PLAIN)
    @Consumes(MediaType.APPLICATION_JSON)
    public void setConfig4(@Context final HttpServletRequest request, Configuration configuration) {

        log.debug("{}", configuration);

    }

}