/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.graylog2.lookup;

import com.google.auto.value.AutoValue;
import org.graylog.autovalue.WithBeanGetter;
import org.graylog2.plugin.lookup.LookupCache;
import org.graylog2.plugin.lookup.LookupDataAdapter;
import org.graylog2.plugin.lookup.LookupResult;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

@AutoValue
@WithBeanGetter
public abstract class LookupTable {

    @Nullable
    public abstract String id();

    public abstract String title();

    public abstract String description();

    public abstract String name();

    public abstract LookupCache cache();

    public abstract LookupDataAdapter dataAdapter();

    public static Builder builder() {
        return new AutoValue_LookupTable.Builder();
    }

    @Nullable
    public String error() {
        return dataAdapter().getError().map(Throwable::getMessage).orElse(null);
    }

    @Nullable
    public LookupResult lookup(@Nonnull Object key) {
        return cache().get(key);
    }

    @AutoValue.Builder
    public abstract static class Builder {
        public abstract Builder id(String id);

        public abstract Builder title(String title);

        public abstract Builder description(String description);

        public abstract Builder name(String name);

        public abstract Builder cache(LookupCache cache);

        public abstract Builder dataAdapter(LookupDataAdapter dataAdapter);

        public abstract LookupTable build();
    }
}