/*

 * Copyright (c) 2021-2023 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef GLOBAL_I18N_PLURAL_RULES_H

#define GLOBAL_I18N_PLURAL_RULES_H



#include <vector>

#include <string>

#include <map>

#include <set>



#include "locale_info.h"

#include "memory"

#include "unicode/locid.h"

#include "unicode/numberformatter.h"

#include "unicode/plurrule.h"



namespace OHOS {

namespace Global {

namespace I18n {

class PluralRules {

public:

    PluralRules(std::vector<std::string> &localeTags, std::map<std::string, std::string> &options);

    ~PluralRules();

    std::string Select(double number);



private:

    std::string localeStr;

    std::unique_ptr<LocaleInfo> localeInfo = nullptr;

    icu::Locale locale;

    icu::PluralRules *pluralRules = nullptr;

    icu::number::LocalizedNumberFormatter numberFormatter;



    std::string localeMatcher;

    std::string type;

    int minInteger;

    int minFraction;

    int maxFraction;

    int minSignificant;

    int maxSignificant;

    bool createSuccess = false;



    std::set<std::string> GetValidLocales();

    std::string ParseOption(std::map<std::string, std::string> &options, const std::string &key);

    void ParseAllOptions(std::map<std::string, std::string> &options);

    void InitPluralRules(std::vector<std::string> &localeTags, std::map<std::string, std::string> &options);

    void InitNumberFormatter();

    int GetValidInteger(std::string &integerStr, int minValue, int maxValue, int defaultValue);

};

} // namespace I18n

} // namespace Global

} // namespace OHOS

#endif