package com.kismec.kismecapp1;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Color;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import org.json.JSONException;
import org.json.JSONObject;

/**
 * Created by selva on 10/6/2017.
 */

public class loginactivity extends Activity
{
    Button btnlogin;
    EditText tusername,tpassword;
    TextView errmsg;

    private ProgressDialog pdialog;
    String username,password;
    JSONParser jsonparser=new JSONParser();
    private String url_login="http://172.16.140.138/servercode/loginprocess.php";

    public void onCreate(Bundle b)
    {
        super.onCreate(b);
        setContentView(R.layout.loginlayout);
        btnlogin=(Button)findViewById(R.id.btnlogin);
        tusername=(EditText)findViewById(R.id.tusername);
        tpassword=(EditText)findViewById(R.id.tpassword);
        errmsg=(TextView)findViewById(R.id.errmsg);
        btnlogin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                username=tusername.getText().toString();
                password=tpassword.getText().toString();
                if(username.length()==0 || password.length()==0)
                {
                    errmsg.setText("Invalid Details..");
                    errmsg.setTextColor(Color.RED);
                }
                else
                {
                    new getlogindetails().execute();
                }
            }
        });
    }
    class getlogindetails extends AsyncTask<String,String,String>
    {
        protected void onPreExecute()
        {
            super.onPreExecute();
            pdialog=new ProgressDialog(loginactivity.this);
            pdialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
            pdialog.setMessage("Logging in. Please wait...");
            pdialog.setIndeterminate(false);
            pdialog.setCancelable(true);
            pdialog.show();
        }
        @Override
        protected String doInBackground(String... params)
        {
            int success;
            try
            {
                Uri.Builder builder=new Uri.Builder()
                        .appendQueryParameter("username",username)
                        .appendQueryParameter("password",password);
                String query=builder.build().getEncodedQuery();
                JSONObject json=jsonparser.makeHttpRequest(url_login,query);
                if(json!=null)
                {
                    success=json.getInt("result");
                    if(success==1)
                    {
                        Intent menuintent=new Intent(getApplicationContext(),menuactivity.class);
                        startActivity(menuintent);
                    }
                    else
                    {
                        loginactivity.this.runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                errmsg.setText("User not found !");
                                errmsg.setTextColor(Color.RED);
                            }
                        });
                    }
                }
                else
                {
                    loginactivity.this.runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            errmsg.setText("Unable to contact server !");
                            errmsg.setTextColor(Color.RED);
                        }
                    });
                }
            }
            catch(JSONException e)
            {
                e.printStackTrace();
            }
            return null;
        }
        protected void onPostExecute(String s)
        {
            pdialog.dismiss();
        }
    }
}