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/*-
 * ============LICENSE_START=======================================================
 * simulators
 * ================================================================================
 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Modifications Copyright (C) 2019 Nordix Foundation.
 * ================================================================================
 * 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.onap.policy.simulators;

import javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;

import org.json.JSONObject;

@Path("/pdp/api")
public class GuardSimulatorJaxRs {
    public static final String DENY_CLNAME = "denyGuard";

    /**
     * Get a guard decision.
     * 
     * @param req the request
     * @return the response
     */
    @POST
    @Path("/getDecision")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces("application/json")
    public String getGuardDecision(String req) {
        String clName = new JSONObject(req).getJSONObject("decisionAttributes").getString("clname");
        if (DENY_CLNAME.equals(clName)) {
            return "{\"decision\": \"DENY\", \"details\": \"Decision Deny. You asked for it\"}";
        } else {
            return "{\"decision\": \"PERMIT\", \"details\": \"Decision Permit. OK!\"}";
        }
    }
}