/**
 * ============LICENSE_START====================================================
 * org.onap.aaf
 * ===========================================================================
 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
 *
 * Modifications Copyright (C) 2018 IBM.
 * ===========================================================================
 * 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.aaf.auth.cmd.ns;

import org.onap.aaf.auth.cmd.AAFcli;
import org.onap.aaf.auth.cmd.BaseCmd;
import org.onap.aaf.auth.cmd.Param;
import org.onap.aaf.auth.rserv.HttpMethods;
import org.onap.aaf.cadi.CadiException;
import org.onap.aaf.cadi.LocatorException;
import org.onap.aaf.cadi.client.Future;
import org.onap.aaf.cadi.client.Rcli;
import org.onap.aaf.cadi.client.Retryable;
import org.onap.aaf.misc.env.APIException;

public class Attrib extends BaseCmd<NS> {
    private static final String[] options = {"add","upd","del"};
    private String authzString = "/authz/ns/";
    private String atrributeString = "/attrib/";

    public Attrib(NS ns) {
        super(ns,"attrib",
                new Param(optionsToString(options),true),
                new Param("ns-name",true),
                new Param("key",true),
                new Param("value",false)
        );
    }

    @Override
    public int _exec(final int idx, final String ... args) throws CadiException, APIException, LocatorException {
        final int option = whichOption(options, args[idx]);
        final String ns = args[idx+1];
        final String key = args[idx+2];
        final String value;
        if (option!=2) {
            if (args.length<=idx+3) {
                throw new CadiException("Not added: Need more Data");
            }
            value = args[idx+3];
        } else {
            value = "";
        }
        
        return same(new Retryable<Integer>() {
            @Override
            public Integer code(Rcli<?> client) throws CadiException, APIException {    
                Future<Void> fp = null;
                String message;
                switch(option) {
                    case 0: 
                        fp = client.create(authzString+ns+atrributeString+key+'/'+value,Void.class);
                        message = String.format("Add Attrib %s=%s to %s",
                                key,value,ns);
                        break;
                    case 1: 
                        fp = client.update(authzString+ns+atrributeString+key+'/'+value);
                        message = String.format("Update Attrib %s=%s for %s",
                                key,value,ns);
                        break;
                    case 2: 
                        fp = client.delete(authzString+ns+atrributeString+key,Void.class);
                        message = String.format("Attrib %s deleted from %s",
                                key,ns);
                        break;
                    default:
                        throw new CadiException("Bad Argument");
                };
                if (fp==null) {
                    return 500;
                } else {
                    if (fp.get(AAFcli.timeout())) {
                        pw().println(message);
                    } else {
                        error(fp);
                    }
                        
                    return fp.code(); 
                }
            }
        });
    }

    @Override
    public void detailedHelp(int indentValue, StringBuilder sb) {
            int indent = indentValue;
        detailLine(sb,indent,"Add or Delete Administrator to/from Namespace");
        indent+=4;
        detailLine(sb,indent,"name - Name of Namespace");
        detailLine(sb,indent,"id   - Credential of Person(s) to be Administrator");
        sb.append('\n');
        detailLine(sb,indent,"aafcli will call API on each ID presented.");
        indent-=4;
        api(sb,indent,HttpMethods.POST,"authz/ns/<ns>/admin/<id>",Void.class,true);
        api(sb,indent,HttpMethods.DELETE,"authz/ns/<ns>/admin/<id>",Void.class,false);
    }

}