import java.io.*;
import java.util.*;

public class Main {

    private static List<String> startServerCommand;

    public static void main(String[] args) {
        Runtime run = Runtime.getRuntime();
        long totalMemory = ((run.totalMemory()/1024)/1024);
        String[] getServersCommand = {"ls","servery/"};
        ProcessBuilder getServersProcessBuilder = new ProcessBuilder(getServersCommand);
        Process pr = null;
        try {
            pr = getServersProcessBuilder.start();
        } catch (IOException e) {
            e.printStackTrace();
        }
        BufferedReader buf = new BufferedReader(new InputStreamReader(pr.getInputStream()));
        String line;
        int numServers = 0;
        try {
            while ( ( line = buf.readLine() ) != null )
            {
                numServers++;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        long mem = totalMemory/numServers;
        for(int i = 1; i <= numServers; i++) {
            File directory = new File("servery/server"+i+"/");
            List<String> startServerCommand = new ArrayList<String>();
            startServerCommand.add("/usr/bin/screen");
            startServerCommand.add("-AmdS");
            startServerCommand.add("mcx_" + i);
            startServerCommand.add("/usr/bin/java");
            startServerCommand.add("-Xmx600m");
            startServerCommand.add("-Xms600m");
            startServerCommand.add("-jar");
            startServerCommand.add("server.jar");
            startServerCommand.add("nogui");
            ProcessBuilder serverStartProcessBuilder = new ProcessBuilder();
            serverStartProcessBuilder.directory(directory);
            serverStartProcessBuilder.command(startServerCommand);
            System.out.println("Zapinam server.");
            try {
                pr = serverStartProcessBuilder.start();
            } catch (IOException e) {
                e.printStackTrace();
            }
            buf = new BufferedReader(new InputStreamReader(pr.getInputStream()));
            try {
                while ( ( line = buf.readLine() ) != null )
                {
                    System.out.println(line);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            System.out.println(serverStartProcessBuilder.command());
            System.out.println("Server zapnut."+i);
        }
    }
}