package com.temp.flexboxdemo;

import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.graphics.BitmapFactory;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.support.v4.app.NotificationCompat;
import android.widget.TextView;

public class NotificationUtil extends ContextWrapper {

    private NotificationManager mManager;
    public static final String sID = "channel_1";
    public static final String sName = "channel_name_1";


    public NotificationUtil(Context base) {
        super(base);
    }

    private NotificationManager getmManager(){

        if(mManager == null){
            mManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
        }
        return mManager;
    }

    public void sendNotification(String title, String content) {

        Intent intent = new Intent(getApplicationContext(),SecondActivity.class);
        PendingIntent pendingIntent = PendingIntent.getActivity(getApplicationContext(),0,intent,PendingIntent.FLAG_UPDATE_CURRENT);

        if (Build.VERSION.SDK_INT >= 26) {
            createNotificationChannel();
            Notification notification = getNotification_26(title, content).setContentIntent(pendingIntent).build();

            getmManager().notify(1, notification);
        } else {
            Notification notification = getNotification_25(title, content).setContentIntent(pendingIntent).build();

            getmManager().notify(1, notification);
        }
    }


    @RequiresApi(api = Build.VERSION_CODES.O)
    public void createNotificationChannel(){

        NotificationChannel notificationChannel =   new NotificationChannel(sID,sName,NotificationManager.IMPORTANCE_HIGH);
        getmManager().createNotificationChannel(notificationChannel);
    }



    public NotificationCompat.Builder getNotification_25(String title, String content) {

        // 以下是展示大图的通知
        android.support.v4.app.NotificationCompat.BigPictureStyle style = new android.support.v4.app.NotificationCompat.BigPictureStyle();
        style.setBigContentTitle("BigContentTitle");
        style.setSummaryText("SummaryText");
        style.bigPicture(BitmapFactory.decodeResource(getResources(),R.drawable.ic_launcher_background));

        // 以下是展示多文本通知
        android.support.v4.app.NotificationCompat.BigTextStyle style1 = new android.support.v4.app.NotificationCompat.BigTextStyle();
        style1.setBigContentTitle(title);
        style1.bigText(content);

        return new NotificationCompat.Builder(getApplicationContext())
                .setContentTitle(title)
                .setContentText(content)
                .setTicker("setTicker")
                .setSmallIcon(R.drawable.ic_launcher_background)
                .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher_round))
                .setStyle(style)
                .setAutoCancel(true);
    }

    @RequiresApi(api = Build.VERSION_CODES.O)
    public Notification.Builder getNotification_26(String title, String content) {
        return new Notification.Builder(getApplicationContext(), sID)
                .setContentTitle(title)
                .setContentText(content)
                .setTicker("setTicker")
                .setSmallIcon(R.drawable.ic_launcher_background)
                .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher_round))
                .setStyle(new Notification.BigPictureStyle().bigPicture(BitmapFactory.decodeResource(getResources(),R.drawable.ic_launcher_background)))
                .setNumber(1)
                .setAutoCancel(true);
    }

    @RequiresApi(api = Build.VERSION_CODES.O)
    public void notifyDownloading(long progress, long num, String file_name) {
        Notification.Builder mBuilder;
        mBuilder = new Notification.Builder(getApplicationContext(), sID);
        NotificationChannel channel;
        channel = new NotificationChannel(sID , file_name, NotificationManager.IMPORTANCE_HIGH);
        getmManager().createNotificationChannel(channel);
        mBuilder.setSmallIcon(R.drawable.ic_launcher_background);
        mBuilder.setProgress((int) num, (int) progress, false);
        mBuilder.setContentInfo("1231231");
        mBuilder.setOngoing(true);
        mBuilder.setWhen(System.currentTimeMillis());
        mBuilder.setContentTitle(file_name);
        mBuilder.setContentText("download");
        Intent intent = new Intent(getApplicationContext(),SecondActivity.class);
        PendingIntent pendIntent = PendingIntent.getActivity(getApplicationContext(), 1, intent, PendingIntent.FLAG_UPDATE_CURRENT);
        mBuilder.setContentIntent(pendIntent);
        getmManager().notify(1, mBuilder.build());
    }
}