/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.runtimefields;

import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.core.TimeValue;
import org.elasticsearch.plugins.Plugin;

import java.util.Collection;
import java.util.List;

/**
 * The plugin class for all the runtime fields common functionality that requires large dependencies.
 * This plugin sets up the environment for the grok function to work in painless as part of the different
 * runtime fields contexts.
 */
public final class RuntimeFieldsCommonPlugin extends Plugin {

    static final Setting<TimeValue> GROK_WATCHDOG_INTERVAL = Setting.timeSetting(
        "runtime_fields.grok.watchdog.interval",
        TimeValue.timeValueSeconds(1),
        Setting.Property.NodeScope
    );
    static final Setting<TimeValue> GROK_WATCHDOG_MAX_EXECUTION_TIME = Setting.timeSetting(
        "runtime_fields.grok.watchdog.max_execution_time",
        TimeValue.timeValueSeconds(1),
        Setting.Property.NodeScope
    );

    private final NamedGroupExtractor.GrokHelper grokHelper;

    public RuntimeFieldsCommonPlugin(Settings settings) {
        grokHelper = new NamedGroupExtractor.GrokHelper(
            GROK_WATCHDOG_INTERVAL.get(settings),
            GROK_WATCHDOG_MAX_EXECUTION_TIME.get(settings)
        );
    }

    @Override
    public List<Setting<?>> getSettings() {
        return List.of(GROK_WATCHDOG_INTERVAL, GROK_WATCHDOG_MAX_EXECUTION_TIME);
    }

    @Override
    public Collection<?> createComponents(PluginServices services) {
        grokHelper.finishInitializing(services.threadPool());
        return List.of();
    }

    public NamedGroupExtractor.GrokHelper grokHelper() {
        return grokHelper;
    }
}