/*
 * 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 legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at 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 Copyright [year] [name of copyright owner]".
 *
 * Copyright 2009 Sun Microsystems, Inc.
 * Portions Copyright 2014-2016 ForgeRock AS.
 */

package org.forgerock.opendj.config.dsconfig;

import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;

import org.forgerock.opendj.config.AbstractManagedObjectDefinition;
import org.forgerock.opendj.config.ManagedObjectDefinitionResource;
import org.forgerock.opendj.config.RelationDefinition;
import org.forgerock.opendj.config.SetRelationDefinition;

/** This class is used to access CLI profile annotations. */
final class CLIProfile {

    /** The singleton instance. */
    private static final CLIProfile INSTANCE = new CLIProfile();

    /**
     * Get the CLI profile instance.
     *
     * @return Returns the CLI profile instance.
     */
    public static CLIProfile getInstance() {
        return INSTANCE;
    }

    /** The CLI profile property table. */
    private final ManagedObjectDefinitionResource resource;

    /** Private constructor. */
    private CLIProfile() {
        this.resource = ManagedObjectDefinitionResource.createForProfile("cli");
    }

    /**
     * Gets the default set of properties which should be displayed in a list-xxx operation.
     *
     * @param r
     *            The relation definition.
     * @return Returns the default set of properties which should be displayed in a list-xxx operation.
     */
    public Set<String> getDefaultListPropertyNames(RelationDefinition<?, ?> r) {
        final String s = resource.getString(r.getParentDefinition(), "relation." + r.getName() + ".list-properties");
        if (s.trim().length() == 0) {
            return Collections.emptySet();
        }
        return new LinkedHashSet<>(Arrays.asList(s.split(",")));
    }

    /**
     * Gets the naming argument which should be used for a relation definition.
     *
     * @param r
     *            The relation definition.
     * @return Returns the naming argument which should be used for a relation definition.
     */
    public String getNamingArgument(RelationDefinition<?, ?> r) {
        String s = resource.getString(r.getParentDefinition(), "relation." + r.getName() + ".naming-argument-override")
                .trim();

        if (s.length() == 0) {
            // Use the last word in the managed object name as the argument
            // prefix.
            StringBuilder builder = new StringBuilder();
            s = r.getChildDefinition().getName();
            int i = s.lastIndexOf('-');
            if (i < 0 || i == (s.length() - 1)) {
                builder.append(s);
            } else {
                builder.append(s.substring(i + 1));
            }

            if (r instanceof SetRelationDefinition) {
                // Set relations are named using their type, so be consistent
                // with their associated create-xxx sub-command.
                builder.append("-type");
            } else {
                // Other relations (instantiable) are named by the user.
                builder.append("-name");
            }

            s = builder.toString();
        }

        return s;
    }

    /**
     * Determines if instances of the specified managed object definition are to be used for customization.
     *
     * @param d
     *            The managed object definition.
     * @return Returns <code>true</code> if instances of the specified managed object definition are to be used for
     *         customization.
     */
    public boolean isForCustomization(AbstractManagedObjectDefinition<?, ?> d) {
        return Boolean.parseBoolean(resource.getString(d, "is-for-customization"));
    }
}