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/*
 * 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 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 or the Server
 * Side Public License, v 1.
 */
package org.elasticsearch.index.mapper;

import org.elasticsearch.common.Explicit;
import org.elasticsearch.common.geo.Orientation;
import org.elasticsearch.index.analysis.NamedAnalyzer;

import java.util.Collections;
import java.util.Map;
import java.util.function.Function;

/**
 * Base class for {@link GeoShapeFieldMapper}
 */
public abstract class AbstractShapeGeometryFieldMapper extends AbstractGeometryFieldMapper {

    public static Parameter> coerceParam(Function> initializer, boolean coerceByDefault) {
        return Parameter.explicitBoolParam("coerce", true, initializer, coerceByDefault);
    }

    private static final Explicit IMPLICIT_RIGHT = new Explicit<>(Orientation.RIGHT, false);

    public static Parameter> orientationParam(Function> initializer) {
        return new Parameter<>(
            "orientation",
            true,
            () -> IMPLICIT_RIGHT,
            (n, c, o) -> new Explicit<>(Orientation.fromString(o.toString()), true),
            initializer,
            (b, f, v) -> b.field(f, v.value()),
            v -> v.value().toString()
        );
    }

    public abstract static class AbstractShapeGeometryFieldType extends AbstractGeometryFieldType {

        private final Orientation orientation;

        protected AbstractShapeGeometryFieldType(
            String name,
            boolean isSearchable,
            boolean isStored,
            boolean hasDocValues,
            Parser parser,
            Orientation orientation,
            Map meta
        ) {
            super(name, isSearchable, isStored, hasDocValues, parser, meta);
            this.orientation = orientation;
        }

        public Orientation orientation() {
            return this.orientation;
        }
    }

    protected Explicit coerce;
    protected Explicit orientation;

    protected AbstractShapeGeometryFieldMapper(
        String simpleName,
        MappedFieldType mappedFieldType,
        Map indexAnalyzers,
        Explicit ignoreMalformed,
        Explicit coerce,
        Explicit ignoreZValue,
        Explicit orientation,
        MultiFields multiFields,
        CopyTo copyTo,
        Parser parser
    ) {
        super(simpleName, mappedFieldType, indexAnalyzers, ignoreMalformed, ignoreZValue, multiFields, copyTo, parser);
        this.coerce = coerce;
        this.orientation = orientation;
    }

    protected AbstractShapeGeometryFieldMapper(
        String simpleName,
        MappedFieldType mappedFieldType,
        Explicit ignoreMalformed,
        Explicit coerce,
        Explicit ignoreZValue,
        Explicit orientation,
        MultiFields multiFields,
        CopyTo copyTo,
        Parser parser
    ) {
        this(
            simpleName,
            mappedFieldType,
            Collections.emptyMap(),
            ignoreMalformed,
            coerce,
            ignoreZValue,
            orientation,
            multiFields,
            copyTo,
            parser
        );
    }

    public boolean coerce() {
        return coerce.value();
    }

    public Orientation orientation() {
        return orientation.value();
    }
}