package com.digitalsolution.jsontesting;

import android.app.Dialog;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.w3c.dom.Text;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {

    private EditText editTextUserName;
    private EditText editTextPassword;
    String username;
    String password;

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

        editTextUserName = (EditText) findViewById(R.id.editTextUserName_login);
        editTextPassword = (EditText) findViewById(R.id.editTextPassword_login);
    }

    public void invokeLogin(View view) {
        username = editTextUserName.getText().toString();
        password = editTextPassword.getText().toString();

        //mengecek apakah field nama atau password kosong ( tidak berisi data )
        if (username.matches("")) {
            Toast.makeText(getApplicationContext(), "Username or Password Couln't Be Empty !", Toast.LENGTH_LONG).show();
            editTextUserName.requestFocus();
        } else if (password.matches("")) {
            Toast.makeText(getApplicationContext(), "Username or Password Couln't Be Empty !", Toast.LENGTH_LONG).show();
            editTextUserName.requestFocus();
        } else {
            //username dan password ada diisi, cek apakah username dan passwor di web
            loginkeweb(username, password);
        }
    }

    private void loginkeweb(final String username, String password) {

        class LoginAsync extends AsyncTask<String, Void, String> {

            private Dialog loadingDialog;

            @Override
            protected void onPreExecute() {
                super.onPreExecute();
                loadingDialog = ProgressDialog.show(MainActivity.this, "Please wait", "Cek Username and Password...");
            }

            @Override
            protected String doInBackground(String... params) {
                String uname = params[0];
                String pass = params[1];
                InputStream is = null;
                List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
                nameValuePairs.add(new BasicNameValuePair("username", uname));
                nameValuePairs.add(new BasicNameValuePair("password", pass));
                String result = null;
                try {
                    HttpClient httpClient = new DefaultHttpClient();
                    HttpPost httpPost = new HttpPost("http://192.168.1.77/kursus/get_usernamepassword.php");

                    httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
                    HttpResponse response = httpClient.execute(httpPost);
                    HttpEntity entity = response.getEntity();
                    is = entity.getContent();
                    BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"), 8);
                    StringBuilder sb = new StringBuilder();
                    String line = null;
                    while ((line = reader.readLine()) != null) {
                        sb.append(line + "\n");
                    }
                    result = sb.toString();
                } catch (ClientProtocolException e) {
                    e.printStackTrace();
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                return result;
            }

            @Override
            protected void onPostExecute(String result) {
                String s = result.trim();
                loadingDialog.dismiss();
                if (s.equalsIgnoreCase("failure")) {
                    Toast.makeText(getApplicationContext(), "Invalid User Name or Password" + s, Toast.LENGTH_LONG).show();

                } else {
                    String[] field_userprofile = s.split("#");
                    Integer id_userprofile = Integer.valueOf(field_userprofile[1].trim());
                    String username_userprofile = field_userprofile[2].trim();
                    String password_userprofile = field_userprofile[3].trim();
                    String name_userprofile = field_userprofile[4].trim();

                    Toast.makeText(MainActivity.this, "id" + id_userprofile + "\nuser:" + username_userprofile + "\nname:" + name_userprofile, Toast.LENGTH_SHORT).show();
                }
            }
        }

        LoginAsync la = new LoginAsync();
        la.execute(username, password);
    }
}