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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema.derived;

import com.yahoo.config.application.api.DeployLogger;
import com.yahoo.config.model.api.ModelContext;
import com.yahoo.schema.Schema;
import com.yahoo.vespa.documentmodel.DocumentSummary;
import com.yahoo.vespa.config.search.SummaryConfig;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * A list of derived summaries
 *
 * @author  bratseth
 */
public class Summaries extends Derived {

    private final boolean useV8GeoPositions;
    private final List summaries;

    public Summaries(Schema schema, DeployLogger deployLogger, ModelContext.FeatureFlags featureFlags) {
        super();
        this.useV8GeoPositions = featureFlags.useV8GeoPositions();

        // Make sure the default is first
        List summaries = new ArrayList<>();
        summaries.add(new SummaryClass(schema, schema.getSummary("default"), deployLogger));
        for (DocumentSummary summary : schema.getSummaries().values()) {
            if (!summary.getName().equals("default"))
                summaries.add(new SummaryClass(schema, summary, deployLogger));
        }
        this.summaries = List.copyOf(summaries);
    }

    public List asList() { return summaries; }

    @Override protected String getDerivedName() { return "summary"; }

    public void getConfig(SummaryConfig.Builder builder) {
        // Replace
        builder.defaultsummaryid(summaries.isEmpty() ? -1 : summaries.get(0).hashCode());
        builder.usev8geopositions(useV8GeoPositions);
        builder.classes(summaries.stream().map(SummaryClass::getSummaryClassConfig).toList());
    }
    public void export(String toDirectory) throws IOException {
        var builder = new SummaryConfig.Builder();
        getConfig(builder);
        export(toDirectory, builder.build());
    }

}