/*
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/*
    Copyright 2011 Joe Robinson <joe@lc8n.com>
    based on code by Jamie Walters <jagw@jagw.co.uk>
    based on code by  Joe Robinson <joe@lc8n.com>
*/


import java.net.URL;
import java.net.URLConnection;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.io.UnsupportedEncodingException;

public class blatranslate {

	public static void main(String[] args) throws IOException, UnsupportedEncodingException
	{
		String query = "";
        String sourceLang = "?";
        String targetLang = "";
        String sourceString = "";
        OutputStreamWriter outStream=new OutputStreamWriter(System.out,"UTF-8");
        Writer out=outStream;
		/* Build query from query or arguments, depending on whether
		   arguments were given. */
		if (args.length == 0) {
			try {
				BufferedReader br =
					new BufferedReader(new InputStreamReader(System.in));
                String[] split = br.readLine().split(" ");
                sourceLang = split[0];
                targetLang = split[1];
                for (int i = 2; i < split.length; i++) {
                    query = query + split[i] + "+";
                }
                
			} catch (Exception e) {
				System.err.println("Error:" + e.getMessage());
				System.exit(1);
			}
		} else {
			for (int i = 2; i < args.length; i++) {
				query += args[i] + " ";
			}
            sourceLang = args[0];
            targetLang = args[1];
		}
        
        if (sourceLang.equals("?")) {
            sourceLang = "";
        } else {
            sourceString = "&source="+sourceLang;
        }
        
        
        
		// Change all ' ' to '+'
		query = query.replaceAll(" ", "+");
        query = query.replaceAll(",", "");

		String[] parts = null;
		//URL which provides XML response
		URL url = new URL("https://www.googleapis.com/language/translate/v2?q="+query+"&target="+targetLang+sourceString+"&pp=1&key=AIzaSyCUJgcjfq20vONzLuNrSuVgT4nuMvz7d2c");

		URLConnection urlc = url.openConnection();

		BufferedReader br = new BufferedReader(new InputStreamReader(urlc.getInputStream()));
		String line;
		String[] lines;
		ArrayList<String> results = new ArrayList<String>();
        ArrayList<String> langs = new ArrayList<String>();
		ArrayList urls = new ArrayList();
		String result = "";
		String tempString = "";
		//Read every line
		while ((line = br.readLine()) != null)
		{
			// Splits the google output by the commas
			lines = line.split(",");

			for(int i=0; i<lines.length; i++){
				// Get the useful information (the urls!)
				if(lines[i].trim().startsWith("\"translatedText\"")){
					tempString = lines[i];
					// Blat the non-url information
					tempString = tempString.substring(23, tempString.length()-1);
					results.add(tempString);
				}
                else if(lines[i].trim().startsWith("\"detectedSourceLanguage\"")){
					tempString = lines[i];
					// Blat the non-url information
					tempString = tempString.substring(31, tempString.length()-1);
					langs.add(tempString);
				}
                if (langs.size() < i) {
                    langs.add(sourceLang);
                }
			}

		}
		// Print results
		if(results.size() > 0){
			for(int i=0; i< results.size(); i++){
				if (i != 0) {
					out.write(" | ");
				}
				int count = i + 1;
				
                if(langs.size() > i-1 && langs.size() > 0) {
                out.write("Translation ("+langs.get(i)+" to "+targetLang+"): " + results.get(i)); 
                } else {
                    out.write("Translation ("+sourceLang+" to "+targetLang+"): " + results.get(i) + " ("+outStream.getEncoding()+")"); 
                }
			}
		} else {
			out.write("Error: no results.\n");
			System.exit(1);
            out.flush();
            out.close();
		}
		out.write("\n");
        out.flush();
        out.close();
	}

}