/*
 * Copyright 2007 Yusuke Yamamoto
 *
 * 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.
 */

package twitter4j;

/**
 * A data interface that has detailed information about a relationship between
 * two users
 *
 * @author Perry Sakkaris - psakkaris at gmail.com
 * @see <a href="https://dev.twitter.com/docs/api/1.1/get/friendships/show">GET
 * friendships/show | Twitter Developers</a>
 * @since Twitter4J 2.1.0
 */
public interface Relationship extends TwitterResponse {
    boolean canSourceDMTarget();

    boolean canSourceMediaTagTarget();

    /**
     * Returns the source user id
     *
     * @return the source user id
     */
    long getSourceUserId();

    /**
     * Returns the source user screen name
     *
     * @return returns the source user screen name
     */
    String getSourceUserScreenName();

    /**
     * Returns the target user id
     *
     * @return target user id
     */
    long getTargetUserId();

    /**
     * Returns the target user screen name
     *
     * @return the target user screen name
     */
    String getTargetUserScreenName();

    /**
     * Returns if the source user is blocking the target user
     *
     * @return if the source is blocking the target
     */
    boolean isSourceBlockingTarget();

    boolean isSourceBlockedByTarget();

    /**
     * Checks if source user is being followed by target user
     *
     * @return true if source user is being followed by target user
     */
    boolean isSourceFollowedByTarget();

    /**
     * Checks if source user is following target user
     *
     * @return true if source user is following target user
     */
    boolean isSourceFollowingTarget();

    boolean isSourceMarkedTargetAsSpam();

    boolean isSourceMutingTarget();

    /**
     * Checks if the source user has enabled notifications for updates of the
     * target user
     *
     * @return true if source user enabled notifications for target user
     */
    boolean isSourceNotificationsEnabled();

    /**
     * Checks if target user is being followed by source user.<br>
     * This method is equivalent to isSourceFollowingTarget().
     *
     * @return true if target user is being followed by source user
     */
    boolean isTargetFollowedBySource();

    /**
     * Checks if target user is following source user.<br>
     * This method is equivalent to isSourceFollowedByTarget().
     *
     * @return true if target user is following source user
     */
    boolean isTargetFollowingSource();

}