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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.contentpacks.model.entities;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.google.auto.value.AutoValue;
import org.graylog2.contentpacks.model.entities.references.ValueReference;
import org.graylog2.plugin.indexer.searches.timeranges.AbsoluteRange;
import org.graylog2.plugin.indexer.searches.timeranges.InvalidRangeParametersException;
import org.graylog2.plugin.indexer.searches.timeranges.RelativeRange;
import org.graylog2.plugin.indexer.searches.timeranges.TimeRange;

import java.util.Map;

@AutoValue
@JsonAutoDetect
@JsonDeserialize(builder = AutoValue_RelativeRangeEntity.Builder.class)
public abstract class RelativeRangeEntity extends TimeRangeEntity {
    static final String TYPE = "relative";
    private static final String FIELD_RANGE = "range";

    @JsonProperty(FIELD_RANGE)
    public abstract ValueReference range();

    public static RelativeRangeEntity of(RelativeRange relativeRange) {
        final int range = relativeRange.getRange();
        return builder()
                .range(ValueReference.of(range))
                .build();
    }

    @Override
    public final TimeRange convert(Map parameters) {
        final int range = range().asInteger(parameters);
        try {
            return RelativeRange.create(range);
        } catch (InvalidRangeParametersException e) {
            throw new RuntimeException("Invalid timerange.", e);
        }
    }

    static RelativeRangeEntity.Builder builder() {
        return new AutoValue_RelativeRangeEntity.Builder();
    }

    @AutoValue.Builder
    abstract static class Builder implements TimeRangeBuilder {
        @JsonProperty(FIELD_RANGE)
        abstract Builder range(ValueReference range);

        abstract RelativeRangeEntity autoBuild();

        RelativeRangeEntity build() {
            type(ModelTypeEntity.of(TYPE));
            return autoBuild();
        }
    }
}