/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * Portions Copyrighted 2016 ForgeRock AS.
 */

package com.sun.identity.cli.realm;

import com.iplanet.sso.SSOException;
import com.iplanet.sso.SSOToken;
import com.sun.identity.cli.AttributeValues;
import com.sun.identity.cli.AuthenticatedCommand;
import com.sun.identity.cli.CLIException;
import com.sun.identity.cli.ExitCodes;
import com.sun.identity.cli.IArgument;
import com.sun.identity.cli.IOutput;
import com.sun.identity.cli.LogWriter;
import com.sun.identity.cli.RequestContext;
import com.sun.identity.idm.AMIdentity;
import com.sun.identity.idm.AMIdentityRepository;
import com.sun.identity.idm.IdRepoException;
import com.sun.identity.sm.OrganizationConfigManager;
import com.sun.identity.sm.SMSException;
import com.sun.identity.sm.ServiceConfig;
import java.text.MessageFormat;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;

/**
 * Set attribute values of a realm.
 */
public class RealmSetServiceAttributeValues extends AuthenticatedCommand {
    private static final String OPT_APPEND = "append";
    
    /**
     * Services a Commandline Request.
     *
     * @param rc Request Context.
     * @throws CLIException if the request cannot serviced.
     */
    public void handleRequest(RequestContext rc) 
        throws CLIException {
        super.handleRequest(rc);
        ldapLogin();
        SSOToken adminSSOToken = getAdminSSOToken();
        IOutput outputWriter = getOutputWriter();

        String realm = getStringOptionValue(IArgument.REALM_NAME);
        String serviceName = getStringOptionValue(IArgument.SERVICE_NAME);
        String datafile = getStringOptionValue(IArgument.DATA_FILE);
        List attrValues = rc.getOption(IArgument.ATTRIBUTE_VALUES);
        boolean bAppend = isOptionSet(OPT_APPEND);

        if ((datafile == null) && (attrValues == null)) {
            throw new CLIException(
                getResourceString("missing-attributevalues"),
                ExitCodes.INCORRECT_OPTION, rc.getSubCommand().getName());
        }

        Map<String, Set<String>> attributeValues = AttributeValues.parse(getCommandManager(), datafile, attrValues);
        attributeValues = processFileAttributes(attributeValues);
        try {
            AMIdentityRepository repo = new AMIdentityRepository(
                adminSSOToken, realm);
            AMIdentity ai = repo.getRealmIdentity();
            Set servicesFromIdRepo = ai.getAssignedServices();
        
            if (servicesFromIdRepo.contains(serviceName)) {
                handleDynamicAttributes(ai, realm, serviceName, attributeValues,
                    bAppend);
            } else {
                handleOrganizatioAttribute(realm, serviceName, attributeValues,
                    bAppend);
            }
        } catch (IdRepoException e) {
            String[] args = {realm, serviceName, e.getMessage()};
            debugError("RealmSetServiceAttributeValues.handleRequest", e);
            writeLog(LogWriter.LOG_ERROR, Level.INFO,
                "FAILED_SET_SVC_ATTR_VALUES_REALM", args);
            throw new CLIException(e,ExitCodes.REQUEST_CANNOT_BE_PROCESSED);
        } catch (SSOException e) {
            String[] args = {realm, serviceName, e.getMessage()};
            debugError("RealmSetServiceAttributeValues.handleRequest", e);
            writeLog(LogWriter.LOG_ERROR, Level.INFO,
                "FAILED_SET_SVC_ATTR_VALUES_REALM", args);
            throw new CLIException(e,ExitCodes.REQUEST_CANNOT_BE_PROCESSED);
        }
    }
    
    private void handleDynamicAttributes(
        AMIdentity idRealm,
        String realm,
        String serviceName,
        Map attributeValues,
        boolean bAppend
    ) throws CLIException, IdRepoException, SSOException {
        String[] params = {realm, serviceName};
        IOutput outputWriter = getOutputWriter();
        writeLog(LogWriter.LOG_ACCESS, Level.INFO,
            "ATTEMPT_SET_SVC_ATTR_VALUES_REALM", params);

        if (bAppend) {
            Map newValues = new HashMap();
            Map currentVal = idRealm.getAttributes(attributeValues.keySet());
            for (Iterator i = attributeValues.keySet().iterator(); i.hasNext();)
            {
                String attrName = (String)i.next();
                Set origVal = (Set)currentVal.get(attrName);
                Set newVal = (Set)attributeValues.get(attrName);
                if ((origVal == null) || origVal.isEmpty()) {
                    newValues.put(attrName, newVal);
                } else {
                    origVal.addAll(newVal);
                    newValues.put(attrName, origVal);
                }
            }
            idRealm.modifyService(serviceName, newValues);
        } else {
            idRealm.modifyService(serviceName, attributeValues);
        }
        writeLog(LogWriter.LOG_ACCESS, Level.INFO,
            "SUCCEED_SET_SVC_ATTR_VALUES_REALM", params);
        outputWriter.printlnMessage(MessageFormat.format(
            getResourceString("set-svc-attribute-values-realm-succeed"),
            (Object[]) params));
    }
    
    private void handleOrganizatioAttribute(
        String realm,
        String serviceName,
        Map attributeValues,
        boolean bAppend
    ) throws CLIException {
        SSOToken adminSSOToken = getAdminSSOToken();
        IOutput outputWriter = getOutputWriter();

        try {
            OrganizationConfigManager ocm = new OrganizationConfigManager(
                adminSSOToken, realm);
            if (!ocm.getAssignedServices().contains(serviceName)) {
                throw new CLIException(getResourceString(
                    "realm-set-svc-attr-values-service-not-assigned"),
                    ExitCodes.REQUEST_CANNOT_BE_PROCESSED);
            }
            ServiceConfig config = ocm.getServiceConfig(serviceName);
            String[] params = {realm, serviceName};
            writeLog(LogWriter.LOG_ACCESS, Level.INFO,
                "ATTEMPT_SET_SVC_ATTR_VALUES_REALM", params);

            if (bAppend) {
                for (Iterator i = attributeValues.keySet().iterator();
                    i.hasNext();
                ) {
                    String attributeName = (String)i.next();
                    Set values = (Set)attributeValues.get(attributeName);
                    config.addAttribute(attributeName, values);
                }
            } else {
                config.setAttributes(attributeValues);
            }
            writeLog(LogWriter.LOG_ACCESS, Level.INFO,
                "SUCCEED_SET_SVC_ATTR_VALUES_REALM", params);
            outputWriter.printlnMessage(getResourceString(
                "set-svc-attribute-values-realm-succeed"));
        } catch (SSOException e) {
            String[] args = {realm, serviceName, e.getMessage()};
            debugError("RealmSetServiceAttributeValues.handleRequest", e);
            writeLog(LogWriter.LOG_ERROR, Level.INFO,
                "FAILED_SET_SVC_ATTR_VALUES_REALM", args);
            throw new CLIException(e,ExitCodes.REQUEST_CANNOT_BE_PROCESSED);
        } catch (SMSException e) {
            String[] args = {realm, serviceName, e.getMessage()};
            debugError("RealmSetServiceAttributeValues.handleRequest", e);
            writeLog(LogWriter.LOG_ERROR, Level.INFO,
                "FAILED_SET_SVC_ATTR_VALUES_REALM", args);
            throw new CLIException(e,ExitCodes.REQUEST_CANNOT_BE_PROCESSED);
        }
    }
}
