package com.example.midterm2;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        String num1 = ((EditText)findViewById(R.id.num1)).getText().toString();
        String num2 = ((EditText)findViewById(R.id.num2)).getText().toString();

        TextView t = new TextView(this);
        t = (TextView) findViewById(R.id.result);

        switch (item.getItemId()){
            case R.id.multiplication:
                int m1 = Integer.parseInt(num1);
                int m2 = Integer.parseInt(num2);
                int resultM = m1*m2;
                t.setText(Integer.toString(resultM));
                return true;

            case R.id.division:
                int d1 = Integer.parseInt(num1);
                int d2 = Integer.parseInt(num2);
                if (Integer.parseInt(num2) == 0){
                    Toast.makeText(getApplicationContext(),"Division by 0 is impossible",Toast.LENGTH_SHORT).show();
                    return true;
                }
                int resultD = d1/d2;
                t.setText(Integer.toString(resultD));
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}