override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) initializeWidgets() createSpinner() initializeRecyclerView() totalSpent() } private fun initializeWidgets() { spinner = findViewById(R.id.spinner) addButton = findViewById(R.id.add_button)

    spendingInput = findViewById(R.id.spending_et)
    recyclerView = findViewById(R.id.spending_rv)
    totalSpent = findViewById(R.id.total_spent)
    fabAdd = findViewById(R.id.fabAdd)
    fabAdd.setOnClickListener { addToRep() }
    window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN)
}
private fun createSpinner() {

    ArrayAdapter.createFromResource(
        this,
        R.array.items_array,
        android.R.layout.simple_spinner_dropdown_item
    ).also { adapter ->
        // Specify the layout to use when the list of choices appears
        adapter.setDropDownViewResource(android.R.layout.simple_expandable_list_item_1)
        // Apply the adapter to the spinner
        spinner.adapter = adapter
    }


}
private fun initializeRecyclerView() {
    recyclerView.layoutManager = LinearLayoutManager(
        this,
        LinearLayoutManager.VERTICAL, false
    )

    recyclerView.adapter = BudgetRecyclerView(this)
    recyclerView.hasFixedSize()
    deleteSwipe()
}
private fun addToRep() {
    val adapter = recyclerView.adapter as BudgetRecyclerView
    adapter.addToBudget(spendingInput, spinner)
    spendingInput.text.clear()
    createNotification()
}
private fun deleteSwipe() {
    val swipeHandler = object : SwipeToDelete(this) {
        override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
            val adapter = recyclerView.adapter as BudgetRecyclerView
            adapter.removeAt(viewHolder.adapterPosition)
            totalSpent()
        }
    }
    val itemTouchHelper = ItemTouchHelper(swipeHandler)
    itemTouchHelper.attachToRecyclerView(recyclerView)
}
private val total = expenseDBList.map { it.spendingAmount }.sum()
    //.expenseDBList.
private val c = NumberFormat.getNumberInstance(Locale.US).format(total).toString()
private fun totalSpent() {
    totalSpent.text = when (total) {
        in 0..50 -> getString(R.string.woahchilltotal, c)
        in 51..80 -> getString(R.string.stopthismadnesstotal, c)
        else -> {
            getString(R.string.youregoingtojailtotal, c)
        }
    }
}


private val notificationId = 1234
private fun createNotification() {
    val intent = Intent(this, MainActivity::class.java).apply {
        flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK or Intent.FLAG_RECEIVER_NO_ABORT
    }
    val pendingIntent: PendingIntent = PendingIntent.getActivity(this, 0, intent, 0)

    val totalString = c
    val notification = NotificationCompat.Builder(this, CHANNEL_ID)
        .setSmallIcon(R.drawable.ic_whatshot_black_24dp)
        .setContentText("You've spent $ $totalString this month")
        .setPriority(NotificationCompat.PRIORITY_HIGH)
        .setContentIntent(pendingIntent)
        .setAutoCancel(false)
        .setOngoing(true)

    with(NotificationManagerCompat.from(this)) {
        notify(notificationId, notification.build())
    }
}
___________________________________________________________________________________________________________________________________________











 private val expenseRepo = ExpensesRepository(context)
private val expenseDBList = expenseRepo.findAll()

/**
 * private fun filteredList(){
val creationDate = Date()
val formattedMonth = SimpleDateFormat("yyMMdd")
val currentMonth = formattedMonth.format(creationDate)
expenseDBList.filter { it.presentMonth == currentMonth }
}
 */



override fun onCreateViewHolder(p0: ViewGroup, p1: Int): BudgetViewHolder {
    val viewHolder = LayoutInflater.from(p0.context)
        .inflate(R.layout.budget_rv_viewholder, p0, false)

    viewHolder.setOnLongClickListener { updateViewHolder(p0.context, p1) } //this creates an alert dialog
    return BudgetViewHolder(viewHolder)
}

override fun getItemCount(): Int {
    return expenseDBList.size
}

override fun onBindViewHolder(p0: BudgetViewHolder, p1: Int) {

    p0.locationPosition.text = expenseDBList[p1].location
    p0.spendingPosition.text = expenseDBList[p1].spendingAmount.toString()
    p0.datePosition.text = expenseDBList[p1].date

    Log.d(TAG, "onBindViewHolder: ${p0.spendingPosition} , ${p0.locationPosition}")


}

fun addToBudget(spendingInput: EditText, spinner: Spinner) {
    if (spendingInput.text.isEmpty()) {
        Toast.makeText(context, "Enter Money Spent, Bitch", Toast.LENGTH_LONG).show()
        return
    } else {
        val number = spendingInput.text.toString().toInt()
        val location = spinner.selectedItem.toString()

        val expenses = BudgetExpense(0, location, number, getCurrentDate())
        expenseRepo.create(expenses)
        expenseDBList.add(expenses)
    }
}

private fun getCurrentDate(): String{
    val sdf = SimpleDateFormat("EEE, MMM d")
    return sdf.format(Date())
}

private fun updateViewHolder(context: Context, position: Int): Boolean{ //creates a dialog, used in oncreatevh

    val editText = EditText(context)
    AlertDialog.Builder(context)
        .setTitle("Edit")
        .setView(editText)
        .setPositiveButton("Change") { _, _ ->
            val changedText = editText.text.toString()
            val expenseItem = expenseDBList[position]
            expenseItem.location = changedText
            expenseRepo.update(expenseItem)

        }
        .create()
        .show()
    return true

}

fun removeAt(position: Int) {
    val expenseModel = expenseDBList[position]
    expenseRepo.delete(expenseModel)
   expenseDBList.removeAt(position)

    notifyItemRemoved(position)
    Log.d(TAG, "Removed Model at $position")
}

class BudgetViewHolder(itemView: View): RecyclerView.ViewHolder(itemView), View.OnLongClickListener{
    override fun onLongClick(v: View?): Boolean {
        return true
    }

    val locationPosition = itemView.findViewById<TextView>(R.id.location)!!

    val spendingPosition = itemView.findViewById<TextView>(R.id.money)!!

    val datePosition = itemView.findViewById<TextView>(R.id.date)!!

}