// © 2018 and later: Unicode, Inc. and others.

// License & terms of use: http://www.unicode.org/copyright.html

#include "unicode/utypes.h"

#if !UCONFIG_NO_FORMATTING

#ifndef __SOURCE_NUMRANGE_TYPES_H__

#define __SOURCE_NUMRANGE_TYPES_H__

#include "unicode/numberformatter.h"

#include "unicode/numberrangeformatter.h"

#include "unicode/simpleformatter.h"

#include "number_types.h"

#include "number_decimalquantity.h"

#include "number_formatimpl.h"

#include "formatted_string_builder.h"

#include "formattedval_impl.h"

#include "pluralranges.h"

U_NAMESPACE_BEGIN

namespace number::impl {

/**

 * Class similar to UFormattedNumberData.

 *

 * Has incomplete magic number logic that will need to be finished

 * if this is to be exposed as C API in the future.

 *

 * Possible magic number: 0x46445200

 * Reads in ASCII as "FDR" (FormatteDnumberRange with room at the end)

 */

class UFormattedNumberRangeData : public FormattedValueStringBuilderImpl {

public:

    UFormattedNumberRangeData() : FormattedValueStringBuilderImpl(kUndefinedField) {}

    virtual ~UFormattedNumberRangeData();

    DecimalQuantity quantity1;

    DecimalQuantity quantity2;

    UNumberRangeIdentityResult identityResult = UNUM_IDENTITY_RESULT_COUNT;

};

class NumberRangeFormatterImpl : public UMemory {

  public:

    NumberRangeFormatterImpl(const RangeMacroProps& macros, UErrorCode& status);

    void format(UFormattedNumberRangeData& data, bool equalBeforeRounding, UErrorCode& status) const;

  private:

    NumberFormatterImpl formatterImpl1;

    NumberFormatterImpl formatterImpl2;

    bool fSameFormatters;

    UNumberRangeCollapse fCollapse;

    UNumberRangeIdentityFallback fIdentityFallback;

    SimpleFormatter fRangeFormatter;

    NumberFormatterImpl fApproximatelyFormatter;

    StandardPluralRanges fPluralRanges;

    void formatSingleValue(UFormattedNumberRangeData& data,

                           MicroProps& micros1, MicroProps& micros2,

                           UErrorCode& status) const;

    void formatApproximately(UFormattedNumberRangeData& data,

                             DecimalQuantity quantity,

                             MicroProps& micros1, MicroProps& micros2,

                             UErrorCode& status) const;

    void formatRange(UFormattedNumberRangeData& data,

                     MicroProps& micros1, MicroProps& micros2,

                     UErrorCode& status) const;

    const Modifier& resolveModifierPlurals(const Modifier& first, const Modifier& second) const;

};

/** Helper function used in upluralrules.cpp */

const UFormattedNumberRangeData* validateUFormattedNumberRange(

    const UFormattedNumberRange* uresult, UErrorCode& status);

} // namespace number::impl

U_NAMESPACE_END

#endif //__SOURCE_NUMRANGE_TYPES_H__

#endif /* #if !UCONFIG_NO_FORMATTING */