package Quiz_Server;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;

import quiz.MysqlConnection;
import tools.User;




public class ServerThread extends Thread {
    private MysqlConnection connection;
    Socket socket = null;

    ObjectInputStream objectInputStream ;
    ObjectOutputStream objectOutputSteam;
    boolean isConnected=false;


    ServerThread(Socket socket){
        this.socket=socket;
        isConnected=true;

        try {
            objectInputStream = new ObjectInputStream(socket.getInputStream());
            objectOutputSteam = new ObjectOutputStream(socket.getOutputStream());
        } catch (IOException e) {
            e.printStackTrace();
        }

    }


    public void sendResult(List<String> executeresult ) {

        try {
            objectOutputSteam.writeObject(executeresult);

        } catch (IOException e) {
            e.printStackTrace();
        }

    }


    public List<String> execute(String exec){

        List<String> result = new ArrayList<String>();

        switch (exec) {

        case "user_list":
            for(User user : connection.getUsers()){
                result.add(user.getName());
            }

            break;

        default:
            break;
        }

        return result;

    }

    public String getMessage(){
        String message=null;
        try {
            message = (String) objectInputStream.readObject();

        } catch (ClassNotFoundException e) {

            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }


        return message;

    }


    public void run()
    {
        while(isConnected){
        String message = getMessage();
        sendResult(execute(message));


        }

    }

}