package com.lunhan.xxx.common.util;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

public final class PinYinUtil {
    private PinYinUtil() {
        throw new IllegalStateException("Utility class");
    }

    /**
     * 获取中文全拼
     *
     * @param name 需要转换的中文
     * @return 全拼结果
     **/
    public static String getFullPinyin(String name) {
        // 创建格式化对象
        HanyuPinyinOutputFormat outputFormat = new HanyuPinyinOutputFormat();
        //设置大小写格式
        outputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        //设置声调格式
        outputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        // 放置输入结果
        StringBuilder result = new StringBuilder();
        // 字符数组
        char[] charArray = name.toCharArray();
        // 遍历字符
        for (char c : charArray) {
            // 中文会被变成全拼，非中文会被直接拼接在结果字符串中
            if (Character.toString(c).matches("[\\u4E00-\\u9FA5]+")) {
                String[] pinyinArray = new String[0];
                try {
                    pinyinArray = PinyinHelper.toHanyuPinyinStringArray(c, outputFormat);
                } catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) {
                    badHanyuPinyinOutputFormatCombination.printStackTrace();
                }
                if (pinyinArray != null) {
                    result.append(pinyinArray[0]);
                }
            } else {
                result.append(c);
            }
        }
        return result.toString();
    }

    /**
     * 获取中文首字母
     *
     * @param name 需要转换的中文
     * @return 首字母结果
     **/
    public static String getPinyinInitial(String name) {
        // 创建格式化对象
        HanyuPinyinOutputFormat outputFormat = new HanyuPinyinOutputFormat();
        //设置大小写格式
        outputFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
        //设置声调格式
        outputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        // 放置输入结果
        StringBuilder result = new StringBuilder();
        // 字符数组
        char[] charArray = name.toCharArray();
        // 遍历字符
        for (char c : charArray) {
            // 中文会被变成拼音首字母，非中文会被直接拼接在结果字符串中
            if (Character.toString(c).matches("[\\u4E00-\\u9FA5]+")) {
                String[] pinyinArray = new String[0];
                try {
                    pinyinArray = PinyinHelper.toHanyuPinyinStringArray(c, outputFormat);
                } catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) {
                    badHanyuPinyinOutputFormatCombination.printStackTrace();
                }
                if (pinyinArray != null) {
                    result.append(pinyinArray[0].charAt(0));
                }
            } else {
                result.append(c);
            }
        }
        return result.toString();
    }

}