/**
 * ============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.user;

import java.text.ParseException;
import java.util.Date;

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;
import org.onap.aaf.misc.env.util.Chrono;
import org.onap.aaf.misc.rosetta.env.RosettaDF;

import aaf.v2_0.DelgRequest;

public class Delg extends BaseCmd<User> {
    static final String AUTHZ_DELG = "/authz/delegate";
    private static final String[] options = {"add","upd","del"};

    public Delg(User user){
        super(user,"delegate",
                new Param(optionsToString(options),true),
                new Param("from",true),
                new Param("to REQ A&U",false),
                new Param("until (YYYY-MM-DD) REQ A", false)
        );
    }

    @Override
    public int _exec(final int index, final String ... args) throws CadiException, APIException, LocatorException {
        return same(new Retryable<Integer>() {
            @Override
            public Integer code(Rcli<?> client) throws CadiException, APIException {
                int idx = index;
                DelgRequest dr = new DelgRequest();
                setStartEnd(dr);
        
                int option= whichOption(options, args[idx++]);
                String user = fullID(args[idx++]);
                dr.setUser(user);
                if (option<2) {
                    String delegate = fullID(args[idx++]);
                    dr.setDelegate(delegate);
                    if (option<2 && args.length>idx) {
                        Date date;
                        try {
                            date = Chrono.dateOnlyFmt.parse(args[idx++]);
                        } catch (ParseException e) {
                            throw new CadiException(e);
                        }
                        dr.setEnd(Chrono.timeStamp(date));
                    }
                }
        
                Future<DelgRequest> fp;
                RosettaDF<DelgRequest> df = getDF(DelgRequest.class);
                String verb;
                setQueryParamsOn(client);

                switch(option) {
                    case 0: 
                        fp = client.create(AUTHZ_DELG, df, dr);
                        verb = "Added";
                        break;
                    case 1: 
                        fp = client.update(AUTHZ_DELG, df, dr); 
                        verb = "Updated";
                        break;
                    case 2: 
                        fp = client.delete(AUTHZ_DELG, df, dr); 
                        verb = "Deleted";
                        break;
                    default:
                        throw new CadiException("Bad Argument");
                };
                
                if (fp.get(AAFcli.timeout())) {
                    pw().append("Delegate ");
                    pw().println(verb);
                } else {
                    error(fp);
                }
                return fp.code();
            }
        });
    }

    @Override
    public void detailedHelp(int indentParam, StringBuilder sb) {
            int indent = indentParam;
        detailLine(sb,indent,"Add, Update or Delete Delegate");
        indent+=2;
        detailLine(sb,indent,"A Delegate is a person who will temporarily cover the Approval and");
        detailLine(sb,indent,"Ownership questions on behalf of the person Responsible.");
        sb.append('\n');
        detailLine(sb,indent,"fromID - the person who is the Responsible person of record");
        detailLine(sb,indent,"toID   - the person who will be delegated (required for Add/Update)");
        detailLine(sb,indent,"until  - the end date for this delegation");
        indent-=2;
        api(sb,indent,HttpMethods.POST,AUTHZ_DELG,DelgRequest.class,true);
        api(sb,indent,HttpMethods.DELETE,AUTHZ_DELG,DelgRequest.class,false);
        api(sb,indent,HttpMethods.PUT,AUTHZ_DELG,DelgRequest.class,false);
    }

}