package com.example.user_pc.imhungry;

import android.app.AlertDialog;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.EditText;

import java.util.prefs.Preferences;

public class MainActivity extends AppCompatActivity {
    Button sendBtn;
    EditText usernameFld, passwordFld;
    // Setting up the database:
    SQLiteDatabase mydatabase = openOrCreateDatabase("your database name", MODE_PRIVATE, null);

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);




       FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });
        sendBtn = (Button)findViewById(R.id.sendBtn);
        usernameFld = (EditText)findViewById(R.id.usernameFld);
        passwordFld = (EditText)findViewById(R.id.passwordFld);

        }
    public void sendBtnOnClick(/*View v*/)
    {
        mydatabase.execSQL("CREATE TABLE IF NOT EXISTS users(username VARCHAR,password VARCHAR);");
        mydatabase.execSQL("INSERT INTO TutorialsPoint VALUES('markigor','igormark');");
        Cursor resultSet = mydatabase.rawQuery("Select * from TutorialsPoint",null);
        resultSet.moveToFirst();
        String username = resultSet.getString(1);
        String password = resultSet.getString(2);

        AlertDialog alert = new AlertDialog.Builder(this).create();
        if(usernameFld.getText().toString().equals(username) && passwordFld.getText().toString().equals(password))
        {
            alert.setTitle("WELCOME"); alert.setMessage("Welcome dear user !!!");
        }
        else
        {
            alert.setTitle("ERROR"); alert.setMessage("You are not one of ours !!!");
        }
        alert.show();
    }
    public void clearBtnOnClick(View v)
    {
        usernameFld.setText("");
        passwordFld.setText("");
    }
    public void exitBtnOnClick(View v)
    {
        finish();
        System.exit(0);
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}