package com.example.jaska.sysprog_lab3_http;

import android.app.Notification;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.Parcelable;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import org.w3c.dom.Text;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;

/*class MyThread extends Thread
{

    public  String url;
    public  String textFromUrl;

    public MyThread(String url)
    {
        this.url = url;
    }

    public void readFromUrl() throws IOException
    {
        URL url = new URL(this.url);
        InputStream is = url.openStream();

        try(BufferedReader br = new BufferedReader(new InputStreamReader(is)))
        {
            String line;
            while ((line = br.readLine()) != null)
            {
                Log.d("zxc1","" + line);
            }
        }
        catch(MalformedURLException e)
        {
            throw new MalformedURLException("URl is malformed");
        }
        catch(IOException e)
        {
            throw new IOException("Error: " + e);
        }
    }

    public void run()
    {
        Log.d("asd","Run ajettu");
        try {
            readFromUrl();
            this.textFromUrl = returnText();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public String returnText()
    {
        if(textFromUrl != null)
        {
            return textFromUrl;
        }
        return "null";
    }
}

*/

public class MainActivity extends AppCompatActivity
{


    TextView tv;
    Thread myThread;
    Handler myHandler = new Handler();
    Runnable myRunnable;
    ArrayList<String> aList = new ArrayList<String>();
    EditText et;




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

        tv = findViewById(R.id.textView);
        et = findViewById(R.id.editText);
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event)
    {
        switch (keyCode)
        {
            case KeyEvent.KEYCODE_ENTER:
                myRunnable = new Runnable()
                {
                    @Override
                    public void run()
                    {
                        try
                        {
                            fetchData(et.getText().toString());
                        }
                        catch (IOException e)
                        {
                            e.printStackTrace();
                        }
                    }
                };
                myThread = new Thread(myRunnable);
                myThread.start();
                return true;

            default:
                return super.onKeyUp(keyCode, event);
        }
    }

    private void fetchData(String urlToBeFetched) throws IOException
    {
        final URL url = new URL(urlToBeFetched);
        InputStream is = url.openStream();

        try(BufferedReader br = new BufferedReader(new InputStreamReader(is)))
        {
            String line;
            while ((line = br.readLine()) != null)
            {
                aList.add(line);

            }
            myHandler.post(new Runnable()
            {
                @Override
                public void run()
                {
                    Log.d("zxc1",aList.toString());

                    tv.setText(aList.toString());
                    aList.clear();
                    et.setText("");

                }
            });
        }
        catch(MalformedURLException e)
        {
            throw new MalformedURLException("URl is malformed");
        }
        catch(IOException e)
        {
            throw new IOException("Error: " + e);
        }
    }
}