package alsaad.layla.ghgf;

import android.content.Intent;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
  EditText editTextName, editTextPassword;
  Button btnLogin;
  TextView textViewRegister, textViewForget;

  String URL= "http://10.0.3.2/GHGF/index.php";

  JSONParser jsonParser=new JSONParser();



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

    editTextName = (EditText)findViewById(R.id.editTextName);
    editTextPassword = (EditText)findViewById(R.id.editTextPassword);
    textViewRegister = (TextView)findViewById(R.id.textViewRegister);
    textViewForget = (TextView)findViewById(R.id.textViewForget);

    btnLogin = (Button)findViewById(R.id.btnLogin);
    btnLogin.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            AttemptLogin attemptLogin= new AttemptLogin();
                 attemptLogin.execute(editTextName.getText().toString(),editTextPassword.getText().toString());


        }
    });

    textViewRegister.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            Intent reg=new Intent(MainActivity.this,Register.class);
            startActivity(reg);

        }
    });




}

public class AttemptLogin extends AsyncTask<String, Void, JSONObject> {

    @Override

    protected void onPreExecute() {

        super.onPreExecute();

    }

    @Override

    protected JSONObject doInBackground(String... args) {


        String password = args[1];
        String name= args[0];

        ArrayList params = new ArrayList();
        params.add(new BasicNameValuePair("username", name));
        params.add(new BasicNameValuePair("password", password));


        JSONObject json = jsonParser.makeHttpRequest(URL, "POST", params);


        return json;

    }

    protected void onPostExecute(JSONObject result) {

        // dismiss the dialog once product deleted
        //Toast.makeText(getApplicationContext(),result,Toast.LENGTH_LONG).show();

        try {
            if (result != null) {
                Toast.makeText(getApplicationContext(),result.getString("message"),Toast.LENGTH_LONG).show();


            } else {
                Toast.makeText(getApplicationContext(), "Unable to retrieve any data from server", Toast.LENGTH_LONG).show();
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }


    }

}
}

require_once 'user.php';

$username = "";

$password = "";

$email = "";

if(isset($_POST['username'])){

    $username = $_POST['username'];

}

if(isset($_POST['password'])){

    $password = $_POST['password'];

}

if(isset($_POST['email'])){

    $email = $_POST['email'];

}

$userObject = new User();

// Registration

if(!empty($username) && !empty($password) && !empty($email)){

    $hashed_password = md5($password);

    $json_registration = $userObject->createNewRegisterUser($username, $hashed_password, $email);

    echo json_encode($json_registration);

}

// Login

if(!empty($username) && !empty($password) && empty($email)){

    $hashed_password = md5($password);

    $json_array = $userObject->loginUsers($username, $hashed_password);

    echo json_encode($json_array);
}
?>

include_once 'db-connect.php';

class User{

    private $db;


   private $db_table = "donor";

    public function __construct(){
        $this->db = new DbConnect();
    }

    public function isLoginExist($username, $password){

        $query = "select * from ".$this->db_table." where username = '$username' AND password = '$password' Limit 1";

        $result = mysqli_query($this->db->getDb(), $query);

        if(mysqli_num_rows($result) > 0){

            mysqli_close($this->db->getDb());


            return true;

        }

        mysqli_close($this->db->getDb());

        return false;

    }
    public function isEmailUsernameExist($username, $email){

        $query = "select * from ".$this->db_table." where username = '$username' AND email = '$email'";

        $result = mysqli_query($this->db->getDb(), $query);

        if(mysqli_num_rows($result) > 0){

            mysqli_close($this->db->getDb());

            return true;

        }

        return false;

    }

    public function isValidEmail($email){
        return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;
    }

    public function createNewRegisterUser($username, $password, $email, $phone, $city){

        $isExisting = $this->isEmailUsernameExist($username, $email);

        if($isExisting){

            $json['success'] = 0;
            $json['message'] = "Error in registering. Probably the username/email already exists";
        }

        else{

        $isValid = $this->isValidEmail($email);

            if($isValid)
            {
            $query = "insert into ".$this->db_table." (username, password, email, phone, city) values ('$username', '$password', '$email', '$phone', '$city')";

            $inserted = mysqli_query($this->db->getDb(), $query);

            if($inserted == 1){

                $json['success'] = 1;
                $json['message'] = "Successfully registered the user";

            }else{

                $json['success'] = 0;
                $json['message'] = "Error in registering. Probably the username/email already exists";

            }

            mysqli_close($this->db->getDb());
            }
            else{
                $json['success'] = 0;
                $json['message'] = "Error in registering. Email Address is not valid";
            }

        }

        return $json;

    }

    public function loginUsers($username, $password){

        $json = array();

        $canUserLogin = $this->isLoginExist($username, $password);

        if($canUserLogin){

            $json['success'] = 1;
            $json['message'] = "Successfully logged in";


        }else{
            $json['success'] = 0;
            $json['message'] = "Incorrect details";
        }
        return $json;
    }
}
?>