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/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program 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
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.inputs.extractors;

import com.codahale.metrics.MetricRegistry;
import org.graylog2.ConfigurationException;
import org.graylog2.grok.GrokPatternRegistry;
import org.graylog2.lookup.LookupTableService;
import org.graylog2.plugin.inputs.Converter;
import org.graylog2.plugin.inputs.Extractor;

import javax.inject.Inject;
import java.util.List;
import java.util.Map;

public class ExtractorFactory {
    private final MetricRegistry metricRegistry;
    private final GrokPatternRegistry grokPatternRegistry;
    private final LookupTableService lookupTableService;

    @Inject
    public ExtractorFactory(MetricRegistry metricRegistry, GrokPatternRegistry grokPatternRegistry, LookupTableService lookupTableService) {
        this.metricRegistry = metricRegistry;
        this.grokPatternRegistry = grokPatternRegistry;
        this.lookupTableService = lookupTableService;
    }

    public Extractor factory(String id,
                             String title,
                             long order,
                             Extractor.CursorStrategy cursorStrategy,
                             Extractor.Type type,
                             String sourceField,
                             String targetField,
                             Map extractorConfig,
                             String creatorUserId, List converters,
                             Extractor.ConditionType conditionType,
                             String conditionValue)
            throws NoSuchExtractorException, Extractor.ReservedFieldException, ConfigurationException {

        // TODO convert to guice factory
        switch (type) {
            case REGEX:
                return new RegexExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            case SUBSTRING:
                return new SubstringExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            case SPLIT_AND_INDEX:
                return new SplitAndIndexExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            case COPY_INPUT:
                return new CopyInputExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            case REGEX_REPLACE:
                return new RegexReplaceExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            case GROK:
                return new GrokExtractor(metricRegistry, grokPatternRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            case JSON:
                return new JsonExtractor(metricRegistry, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            case LOOKUP_TABLE:
                return new LookupTableExtractor(metricRegistry, lookupTableService, id, title, order, cursorStrategy, sourceField, targetField, extractorConfig, creatorUserId, converters, conditionType, conditionValue);
            default:
                throw new NoSuchExtractorException();
        }
    }

    public static class NoSuchExtractorException extends Exception {
    }
}




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