package io.heckel.ntfy.msg

import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.PendingIntent
import android.app.TaskStackBuilder
import android.content.Context
import android.content.Intent
import android.media.RingtoneManager
import android.os.Build
import android.util.Log
import androidx.core.app.NotificationCompat
import com.google.firebase.messaging.FirebaseMessagingService
import com.google.firebase.messaging.RemoteMessage
import io.heckel.ntfy.R
import io.heckel.ntfy.app.Application
import io.heckel.ntfy.data.*
import io.heckel.ntfy.ui.DetailActivity
import io.heckel.ntfy.ui.MainActivity
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.SupervisorJob
import kotlinx.coroutines.launch
import java.util.*
import kotlin.random.Random

class NotificationService(val context: Context) {
    fun send(subscription: Subscription, message: String) {
        val title = topicShortUrl(subscription.baseUrl, subscription.topic)
        Log.d(TAG, "Sending notification $title: $message")

        // Create an Intent for the activity you want to start
        val intent = Intent(context, DetailActivity::class.java)
        intent.putExtra(MainActivity.EXTRA_SUBSCRIPTION_ID, subscription.id)
        intent.putExtra(MainActivity.EXTRA_SUBSCRIPTION_BASE_URL, subscription.baseUrl)
        intent.putExtra(MainActivity.EXTRA_SUBSCRIPTION_TOPIC, subscription.topic)
        val pendingIntent: PendingIntent? = TaskStackBuilder.create(context).run {
            addNextIntentWithParentStack(intent) // Add the intent, which inflates the back stack
            getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT) // Get the PendingIntent containing the entire back stack
        }

        val channelId = context.getString(R.string.notification_channel_id)
        val defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
        val notificationBuilder = NotificationCompat.Builder(context, channelId)
            .setSmallIcon(R.drawable.ic_notification_icon)
            .setContentTitle(title)
            .setContentText(message)
            .setSound(defaultSoundUri)
            .setContentIntent(pendingIntent) // Click target for notification
            .setAutoCancel(true) // Cancel when notification is clicked

        val notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            val channelName = context.getString(R.string.notification_channel_name)
            val channel = NotificationChannel(channelId, channelName, NotificationManager.IMPORTANCE_DEFAULT)
            notificationManager.createNotificationChannel(channel)
        }
        notificationManager.notify(Random.nextInt(), notificationBuilder.build())
    }

    companion object {
        private const val TAG = "NtfyNotificationService"
    }
}