package com.example.makeacall;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

public class MainActivity extends AppCompatActivity {

    private EditText editText;
    private Button button;

    private static final int CALL_PHONE_PERMISSION_CODE = 100;

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

        editText = findViewById(R.id.editText);
        button = findViewById(R.id.button);

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String phoneNumber = editText.getText().toString();

                if (!phoneNumber.isEmpty()) {
                    if (ActivityCompat.checkSelfPermission(MainActivity.this,
                            Manifest.permission.CALL_PHONE) == PackageManager.PERMISSION_GRANTED) {
                        // Make the call
                        Intent phoneIntent = new Intent(Intent.ACTION_CALL);
                        phoneIntent.setData(Uri.parse("tel:" + phoneNumber));
                        startActivity(phoneIntent);
                    } else {
                        // Request permission
                        requestCallPermission();
                    }
                } else {
                    Toast.makeText(MainActivity.this, "Please enter a valid phone number", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }

    private void requestCallPermission() {
        ActivityCompat.requestPermissions(this,
                new String[]{Manifest.permission.CALL_PHONE}, CALL_PHONE_PERMISSION_CODE);
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);

        if (requestCode == CALL_PHONE_PERMISSION_CODE) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                Toast.makeText(this, "Permission Granted", Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(this, "Permission Denied", Toast.LENGTH_SHORT).show();
            }
        }
    }
}