package ro.pub.cs.systems.eim.lab06.daytimeprotocol.views;

import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import java.io.BufferedReader;
import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;

import ro.pub.cs.systems.eim.lab06.daytimeprotocol.R;
import ro.pub.cs.systems.eim.lab06.daytimeprotocol.general.Constants;
import ro.pub.cs.systems.eim.lab06.daytimeprotocol.general.Utilities;

public class DayTimeProtocolActivity extends AppCompatActivity {

  private Button getInformationButton;
  private TextView daytimeProtocolTextView;

  private class NISTCommunicationAsyncTask extends AsyncTask<Void, Void, String> {

    @Override
    protected String doInBackground(Void... params) {
      String dayTimeProtocol = null;
      try {
        Socket socket = new Socket(Constants.NIST_SERVER_HOST, Constants.NIST_SERVER_PORT);
        BufferedReader bufferedReader = Utilities.getReader(socket);
        bufferedReader.readLine();
        dayTimeProtocol = bufferedReader.readLine();
        Log.d(Constants.TAG, "The server returned: " + dayTimeProtocol);
      } catch (UnknownHostException unknownHostException) {
        Log.d(Constants.TAG, unknownHostException.getMessage());
        if (Constants.DEBUG) {
          unknownHostException.printStackTrace();
        }
      } catch (IOException ioException) {
        Log.d(Constants.TAG, ioException.getMessage());
        if (Constants.DEBUG) {
          ioException.printStackTrace();
        }
      }
      return dayTimeProtocol;
    }

    @Override
    protected void onPostExecute(String result) {
      daytimeProtocolTextView.setText(result);
    }
  }

  private ButtonClickListener buttonClickListener = new ButtonClickListener();
  private class ButtonClickListener implements Button.OnClickListener {

    @Override
    public void onClick(View view) {
      NISTCommunicationAsyncTask nistCommunicationAsyncTask = new NISTCommunicationAsyncTask();
      nistCommunicationAsyncTask.execute();
    }

  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_day_time_protocol);

    daytimeProtocolTextView = (TextView)findViewById(R.id.daytime_protocol_text_view);

    getInformationButton = (Button)findViewById(R.id.get_information_button);
    getInformationButton.setOnClickListener(buttonClickListener);
  }
}