package uk.beads.manager

import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.PendingIntent
import android.content.Context
import android.content.Intent
import android.media.RingtoneManager
import android.os.Build
import androidx.core.app.NotificationCompat
import com.google.firebase.messaging.FirebaseMessagingService
import com.google.firebase.messaging.RemoteMessage

class MyFirebaseMessagingService : FirebaseMessagingService() {
    override fun onMessageReceived(message: RemoteMessage) {
        val title = message.notification?.title ?: "New Order!"
        val body = message.notification?.body ?: "A new order has been placed"
        val orderId = message.data["order_id"]?.toIntOrNull()

        showNotification(title, body, orderId)
    }

    override fun onNewToken(token: String) {
        ApiClient.registerDevice(this, token)
    }

    private fun showNotification(title: String, body: String, orderId: Int?) {
        val channelId = "new_orders"
        val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            val channel = NotificationChannel(
                channelId,
                "New Orders",
                NotificationManager.IMPORTANCE_HIGH
            ).apply {
                description = "Instant alerts for new paid orders"
                enableVibration(true)
                setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), null)
            }
            manager.createNotificationChannel(channel)
        }

        val intent = if (orderId != null) {
            Intent(this, OrderDetailActivity::class.java).putExtra("order_id", orderId)
        } else {
            Intent(this, OrdersActivity::class.java)
        }

        val pending = PendingIntent.getActivity(
            this, 0, intent,
            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
        )

        val notification = NotificationCompat.Builder(this, channelId)
            .setSmallIcon(android.R.drawable.ic_dialog_info)
            .setContentTitle(title)
            .setContentText(body)
            .setAutoCancel(true)
            .setPriority(NotificationCompat.PRIORITY_HIGH)
            .setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION))
            .setContentIntent(pending)
            .build()

        manager.notify(System.currentTimeMillis().toInt(), notification)
    }
}