import android.app.admin.DeviceAdminReceiver;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.hardware.Camera;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.ResultReceiver;
import android.preference.PreferenceManager;
import android.util.Log;
import android.widget.Toast;

import bd.org.rain.lostphonefinder.util.GmailSender;
import static android.content.ContentValues.TAG;
import static android.content.Context.MODE_PRIVATE;


public class AdminReceiver extends DeviceAdminReceiver {

    private boolean mRecording;
    private boolean mHandlingEvent;

    public static String getPreference(Context context, String key) {
        String sharedPrefFile = "bd.org.rain.lostphonefinder";
        SharedPreferences prefs = context.getSharedPreferences(sharedPrefFile, MODE_PRIVATE);
        return prefs.getString(key, null);
    }





    Context applicationContext = ActivityMain.getContextOfApplication();
    SharedPreferences mPreferences = PreferenceManager.getDefaultSharedPreferences(applicationContext);
    String recipient = mPreferences.getString("email", "null");
    String sharedLocation = mPreferences.getString("sharedLocation", "null");
//        String recipient = mPreferences.getString(getString(R.string.str_email_recipient), "null");



    String myEmailString, passString, sendToEmailString, subjectString, textBody;


    @Override
    public void onEnabled(Context ctxt, Intent intent) {
        ComponentName cn=new ComponentName(ctxt, AdminReceiver.class);
        DevicePolicyManager mgr=
                (DevicePolicyManager)ctxt.getSystemService(Context.DEVICE_POLICY_SERVICE);

        mgr.setPasswordQuality(cn,
                DevicePolicyManager.PASSWORD_QUALITY_NUMERIC);

        //password attempt delay didn't work here

        onPasswordChanged(ctxt, intent);
    }


    @Override
    public void onPasswordChanged(Context ctxt, Intent intent) {
        DevicePolicyManager mgr=
                (DevicePolicyManager)ctxt.getSystemService(Context.DEVICE_POLICY_SERVICE);
        int msgId;

        if (mgr.isActivePasswordSufficient()) {
            msgId=R.string.compliant;
        }
        else {
            msgId=R.string.not_compliant;
        }

//        Toast.makeText(ctxt, msgId, Toast.LENGTH_LONG).show();
    }


    @Override
    public void onPasswordFailed(Context ctxt, Intent intent) {

        DevicePolicyManager policyManager = (DevicePolicyManager)ctxt.getSystemService(Context.DEVICE_POLICY_SERVICE);


        if(policyManager != null){
            int attempts = policyManager.getCurrentFailedPasswordAttempts();

            Log.d(TAG, "Failed attempts =  ====================================== " + attempts);

            if (attempts >= 3) {
                //actions
            }


            String lat = getPreference(applicationContext, applicationContext.getString(R.string.str_lat));
            String lng = getPreference(applicationContext, applicationContext.getString(R.string.str_lng));
            String time = getPreference(applicationContext, applicationContext.getString(R.string.str_time));


            startRecording();

            final Handler handler = new Handler();
            handler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    // Do something after 5s = 5000ms
                    stopRecording();
                }
            }, 5000);


            /**/

            // SEND MAIL
            final SendEmailTask sendEmailTask = new SendEmailTask();
            myEmailString = "my.lost.phone.finder@gmail.com";
            passString = "123456abc@";
            recipient = recipient;
//            sendToEmailString = recipient;
            subjectString = "Have you lost your phone?";


            textBody = "Dear User!" +
                    "\nWe found some fishy activities with your phone. Hope you have your phone." +
                    "\n\nNumber of failed password attempts: " + attempts +
                    "\n\nLocation:\n" +
                    "\n\nLocation on map: " + sharedLocation +
                    "\n\nLat:  " + lat +
                    "\nLng:  " + lng +
                    "\nTime: " +time +
                    "\n\nBest wishes,\nFindDevice Team";


            sendEmailTask.execute();
            //

        }else{
            Log.d(TAG, "didnt get attempt  ====================================== ");
        }

        /*// SEND MAIL
        final SendEmailTask sendEmailTask = new SendEmailTask();
        myEmailString = "my.lost.phone.finder@gmail.com";
        passString = "123456abc@";
        sendToEmailString = "nabilatajrin@gmail.com";
        subjectString = "Have you lost your phone?ff";
        textString = "Dear User!\nSome fishy activities happen with your phone.\nHope you have your phone.\n\nNumber of failed password attempts: " + attempts + "\n\nBest wishes\nFindDevice Team";

        sendEmailTask.execute();
        //*/

        Log.d(TAG, "onPasswordFailed: FAILED ======================================");
    }


    @Override
    public void onPasswordSucceeded(Context ctxt, Intent intent) {
        /*Toast.makeText(ctxt, R.string.password_success, Toast.LENGTH_LONG)
                .show();*/


        Log.d(TAG, "onPasswordSuccess: SUCCESS ====================================");

        //password attempt delay didn't work here

    }



    ///////////////////////////////////


    private void startRecording() {
        if (!mHandlingEvent) {
            mHandlingEvent = true;
            ResultReceiver receiver = new ResultReceiver(new Handler()) {
                @Override
                protected void onReceiveResult(int resultCode, Bundle resultData) {
                    handleStartRecordingResult(resultCode, resultData);
                    mHandlingEvent = false;
                }
            };

            CameraService.startToStartRecording(this,
                    Camera.CameraInfo.CAMERA_FACING_FRONT, receiver);


        }
    }

    private void stopRecording() {
        if (!mHandlingEvent) {
            mHandlingEvent = true;
            ResultReceiver receiver = new ResultReceiver(new Handler()) {
                @Override
                protected void onReceiveResult(int resultCode, Bundle resultData) {
                    handleStopRecordingResult(resultCode, resultData);
                    mHandlingEvent = false;
                }
            };
            CameraService.startToStopRecording(this, receiver);
        }
    }


    private void handleStartRecordingResult(int resultCode, Bundle resultData) {
        if (resultCode == CameraService.RECORD_RESULT_OK) {
//            Toast.makeText(this, "Start recording...", Toast.LENGTH_SHORT).show();
        } else {
//            Toast.makeText(this, "Start recording failed...", Toast.LENGTH_SHORT).show();
        }
    }

    private void handleStopRecordingResult(int resultCode, Bundle resultData) {
        if (resultCode == CameraService.RECORD_RESULT_OK) {
            String videoPath = resultData.getString(CameraService.VIDEO_PATH);
//            Toast.makeText(this, "Record succeed, file saved in " + videoPath,
//                    Toast.LENGTH_LONG).show();
        } else if (resultCode == CameraService.RECORD_RESULT_UNSTOPPABLE) {
//            Toast.makeText(this, "Stop recording failed...", Toast.LENGTH_SHORT).show();
        } else {
//            Toast.makeText(this, "Recording failed...", Toast.LENGTH_SHORT).show();
        }
    }

    ///////////////////////////////////



    //class to send email
    class SendEmailTask extends AsyncTask<Void, Void, Void> {

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            Log.i("Email sending", "sending start");
        }


        @Override
        protected Void doInBackground(Void... params) {
            try {
                GmailSender sender = new GmailSender(myEmailString, passString);
                //subject, body, sender, to
                sender.sendMail(subjectString,
                        textBody,
                        myEmailString,
                        recipient);

                Log.i("Email sending", "send");
            } catch (Exception e) {
                Log.i("Email sending", "cannot send");
                e.printStackTrace();
            }
            return null;
        }


        @Override
        protected void onPostExecute(Void result) {
            super.onPostExecute(result);
        }
    }


}