/*
 *  Copyright 2019-2020 Zheng Jie
 *
 *  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.
 */
package me.zhengjie.utils;

import cn.hutool.json.JSONArray;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;

/**
 * @author Zheng Jie
 * 翻译工具类
 */
public class TranslatorUtil {

    public static String translate(String word){
        try {
            String url = "https://translate.googleapis.com/translate_a/single?" +
                    "client=gtx&" +
                    "sl=en" +
                    "&tl=zh-CN" +
                    "&dt=t&q=" + URLEncoder.encode(word, "UTF-8");

            URL obj = new URL(url);
            HttpURLConnection con = (HttpURLConnection) obj.openConnection();
            con.setRequestProperty("User-Agent", "Mozilla/5.0");

            BufferedReader in = new BufferedReader(
                    new InputStreamReader(con.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
            return parseResult(response.toString());
        }catch (Exception e){
          return  word;
        }
    }

    private static String parseResult(String inputJson){
        JSONArray jsonArray2 = (JSONArray) new JSONArray(inputJson).get(0);
        StringBuilder result = new StringBuilder();
        for (Object o : jsonArray2) {
            result.append(((JSONArray) o).get(0).toString());
        }
        return result.toString();
    }
}