package util;

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import androidx.core.app.NotificationCompat;
import androidx.core.content.FileProvider;

import com.education.R;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

/**
 * Created by Rajesh on 2017-09-05.
 */

public class FileDownloader {
    private static final int MEGABYTE = 1024 * 1024;

    public static void downloadFile(String fileUrl, File directory) {
        try {

            URL url = new URL(fileUrl);
            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
            urlConnection.connect();

            InputStream inputStream = urlConnection.getInputStream();
            FileOutputStream fileOutputStream = new FileOutputStream(directory);
            int totalSize = urlConnection.getContentLength();

            byte[] buffer = new byte[MEGABYTE];
            int bufferLength = 0;
            while ((bufferLength = inputStream.read(buffer)) > 0) {
                fileOutputStream.write(buffer, 0, bufferLength);
            }
            fileOutputStream.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void showPDFNotification(Context context, File file) {
        Uri photoURI = FileProvider.getUriForFile(context, context.getApplicationContext().getPackageName() + ".fileprovider", file);

        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_VIEW);
        intent.setDataAndType(photoURI, "application/pdf");
        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        PendingIntent contentIntent = PendingIntent.getActivity(context, 0,
                intent, PendingIntent.FLAG_UPDATE_CURRENT);
        String CHANNEL_ID = "98687";// The id of the channel.

        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context, CHANNEL_ID);

        NotificationChannel mChannel = null;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            CharSequence name = context.getString(R.string.app_name);// The user-visible name of the channel.
            int importance = NotificationManager.IMPORTANCE_HIGH;
            mChannel = new NotificationChannel(CHANNEL_ID, name, importance);
        }

        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, CHANNEL_ID);
        builder.setSmallIcon(R.mipmap.ic_launcher);
        builder.setContentTitle("Book Downloaded");
        builder.setContentText("Please click me to open");
        //builder.setStyle(new NotificationCompat.BigPictureStyle().bigPicture(shareBitmap));
        builder.setAutoCancel(true);
        builder.setChannelId(CHANNEL_ID);
        builder.setContentIntent(contentIntent);
        builder.setLargeIcon(BitmapFactory.decodeResource(context.getResources(), R.mipmap.ic_launcher));

        NotificationManager notificationManager =
                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            notificationManager.createNotificationChannel(mChannel);
        }

        notificationManager.notify(1, builder.build());
    }

}