// Exception: http://img534.imageshack.us/img534/9008/32921273.png

package model.db;

import Levels.Level;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import misc.Background;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.input.SAXBuilder;


/**
 *
 * @author Nindustries
 */
public class FIconnect {

    private static String DELI = ",";
    private static String FILENAME = "scores.txt";
    private static String FILE_LEVELS = "levels.xml";


    public ArrayList<Level> loadLevels() throws Exception {
        ArrayList<Level> result = new ArrayList();
        StarFactory factory = new StarFactory();

        SAXBuilder builder = new SAXBuilder(false);
        Document doc = builder.build(this.getClass().getResourceAsStream("/resources/" + FIconnect.FILE_LEVELS));
        Element project = doc.getRootElement();
        List levels = project.getChildren();
        ListIterator it2 = levels.listIterator();
        while (it2.hasNext()){
            //Loop through levels
            Element el = (Element)it2.next();
            Level l = new Level();
            List blocks = el.getChildren();
            ListIterator it22 = blocks.listIterator();
            l.setBackground(new Background(el.getAttribute("Background").getValue()));
            while (it22.hasNext()){
                //Loop through targets
                Element target = (Element)it22.next();
                l.addTarget(factory.produceTarget(target.getText()));
            }
            result.add(l);
        }

        return result;
    }

    public void saveScore( String username, String score ) throws Exception {
        try {
            PrintWriter output = new PrintWriter(new FileWriter(convertStreamToString(getClass().getResourceAsStream("/resources/" + FILENAME)),true));
            output.printf("%s\r\n", username + FIconnect.DELI + score);
            output.close();
        }
        catch (Exception e) {
            throw new Exception("Error while saving offline score: " + e.toString());
        }
    }

    private String convertStreamToString(InputStream is) throws Exception {
    if (is != null) {
        Writer writer = new StringWriter();

        char[] buffer = new char[1024];
        try {
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            is.close();
        }
        return writer.toString();
    } else {
        return "";
    }
}

    public ArrayList<String> loadScores() throws Exception {
        ArrayList<String> result = new ArrayList();
        try {
            BufferedReader br = new BufferedReader(new FileReader(convertStreamToString(getClass().getResourceAsStream("/resources/" + FILENAME))));
            try {
                StringBuilder sb = new StringBuilder();
                String line = br.readLine();

                while (line != null) {
                    sb.append(line);
                    sb.append("\n");
                    result.add(br.readLine());
                }
            } finally {
                br.close();
            }
        } catch (Exception e){
            throw new Exception("Error while loading offline scores: " + e.toString());
        }
        return result;
    }


}