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package org.dcache.vehicles.pool;

import com.google.common.base.Strings;
import java.util.function.Predicate;

import org.dcache.pool.movers.json.MoverData;

/**
 * <p>Request for listings corresponding to mover ls, but excluding the
 * p2p client queue.</p>
 */
public class PoolMoverListingMessage extends
                PoolActivityListingMessage<MoverData> {
    private static final long serialVersionUID = -3586502361789998143L;

    protected final String queue;
    private final String mode;
    private final String door;

    public PoolMoverListingMessage(int offset,
                                   int limit,
                                   String pnfsid,
                                   String queue,
                                   String state,
                                   String mode,
                                   String door,
                                   String storageClass,
                                   String sort) {
        super(offset, limit, pnfsid, state, storageClass, sort);
        this.queue = queue;
        this.mode = mode;
        this.door = door;
    }

    @Override
    public Predicate<MoverData> filter() {
        Predicate<MoverData> matchesPnfsid =
                        (data) -> pnfsid == null
                                        || Strings.nullToEmpty(data.getPnfsId())
                                                  .contains(pnfsid);
        Predicate<MoverData> matchesQueue =
                        (data) -> queue == null
                                        || Strings.nullToEmpty(data.getQueue())
                                                  .contains(queue);
        Predicate<MoverData> matchesState =
                        (data) -> state == null
                                        || Strings.nullToEmpty(data.getState())
                                                  .contains(state);
        Predicate<MoverData> matchesMode =
                        (data) -> mode == null
                                        || Strings.nullToEmpty(data.getMode())
                                                  .contains(mode);
        Predicate<MoverData> matchesDoor =
                        (data) -> door == null
                                        || Strings.nullToEmpty(data.getDoor())
                                                  .contains(door);
        Predicate<MoverData> matchesClass =
                        (data) -> storageClass == null
                                        || Strings.nullToEmpty(
                                        data.getStorageClass())
                                                  .contains(storageClass);
        return matchesPnfsid.and(matchesQueue).and(matchesState)
                            .and(matchesMode).and(matchesDoor)
                            .and(matchesClass);
    }
}
