package pedja.kalkulator;


import pedja.kalkulator.R;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {

 public String str ="";
 Character op = 'q';
 int i,num,numtemp;
    EditText showResult;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        SharedPreferences settings = getSharedPreferences("test",  MODE_PRIVATE);

        SharedPreferences.Editor prefEditor = settings.edit();
        prefEditor.putString("ime", "Sebastian");
        prefEditor.commit();
        showResult = (EditText)findViewById(R.id.result_id);

      }


      public void btn1Clicked(View v){
          SharedPreferences prefs = getPreferences(MODE_PRIVATE);
          String text = prefs.getString("ime", null);

    Toast toast = Toast.makeText(getApplicationContext(), text, Toast.LENGTH_LONG);
    toast.show();
       insert(1);

      }

 public void btn2Clicked(View v){
       insert(2);

      }
      public void btn3Clicked(View v){
       insert(3);

      }
      public void btn4Clicked(View v){
       insert(4);

      }
      public void btn5Clicked(View v){
       insert(5);

      }
      public void btn6Clicked(View v){
       insert(6);
      }
      public void btn7Clicked(View v){
       insert(7);

      }
      public void btn8Clicked(View v){
       insert(8);

      }
      public void btn9Clicked(View v){
       insert(9);

      }
      public void btnplusClicked(View v){
       perform();
       op = '+';

      }

 public void btnminusClicked(View v){
    perform();
         op = '-';

      }
      public void btndivideClicked(View v){
       perform();
       op = '/';

      }
      public void btnmultiClicked(View v){
       perform();
       op = '*';

      }
      public void btnequalClicked(View v){
       calculate();

      }

 public void btnclearClicked(View v){
       reset();
      }
      private void reset() {
  // TODO Auto-generated method stub
   str ="";
   op ='q';
   num = 0;
   numtemp = 0;
   showResult.setText("");
 }
 private void insert(int j) {
    // TODO Auto-generated method stub
       int value;
       str = str+Integer.toString(j);
       try{
           num = Integer.valueOf(str).intValue();
       }catch(Exception NumberFormatException){
           num = 0;
       }


       showResult.setText(str);


   }
      private void perform() {
    // TODO Auto-generated method stub
    str = "";
    numtemp = num;
   }
      private void calculate() {
    // TODO Auto-generated method stub
    if(op == '+')
     num = numtemp+num;
    else if(op == '-')
     num = numtemp-num;
    else if(op == '/')
     num = numtemp/num;
    else if(op == '*')
     num = numtemp*num;
    showResult.setText(""+num);
   }

      ////////////////////////////////////////////////////////////////////////////////////
      public boolean onCreateOptionsMenu (Menu menu){
          super.onCreateOptionsMenu(menu);
           CreateMenu(menu);
           return true;
    }

    private void CreateMenu(Menu menu){
        MenuItem opcija1 = menu.add(0,0,0,"Prva opcija");
        {
           // opcija1.setIcon(R.drawable.dugmeLogo);\
            opcija1.setIcon(R.drawable.dugme_logo);
            opcija1.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        }


    }

    public boolean onOptionsItemSelected (MenuItem item){
            return MenuChoice(item);
    }

    private boolean MenuChoice (MenuItem item){

    switch( item.getItemId()){
       case 0:
                Toast.makeText(this, "Отвара се страна сајта Школе Рајак", Toast.LENGTH_LONG).show();
                Intent myIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://rajak.rs/sr/component/content/article/54-kursevi/253-android-kurs"));
                startActivity(myIntent);
                break;
    }
    return true;
    }



}