/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2019 Nordix Foundation.
 *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
 * ================================================================================
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.pap.main.rest;

import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import io.swagger.annotations.Authorization;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Response;

/**
 * Class to provide REST endpoints for PAP component statistics.
 *
 * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
 */
public class StatisticsRestControllerV1 extends PapRestControllerV1 {

    @GET
    @Path("statistics")
    @ApiOperation(value = "Fetch current statistics",
                    notes = "Returns current statistics of the Policy Administration component",
                    response = StatisticsReport.class, authorizations = @Authorization(value = AUTHORIZATION_TYPE))
    @ApiResponses(value = {@ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
                    @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
                    @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)})
    public Response statistics() {
        return Response.status(Response.Status.OK).entity(new StatisticsProvider().fetchCurrentStatistics()).build();
    }
}