extends Node3D

@export var rat : Resource
@export var spawn_time_max = 5
@export var max_rats : float = 2
@export var spawn_rat_pickups = 1

var spawn_timer
var holes = []

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	#get holes
	for node in self.get_children():
		if node is RatHole:
			holes.append(node)
	spawn_rat_at_random_hole()
	reset_spawn_timer()

func _process(delta: float) -> void:
	if spawn_timer > 0:
		spawn_timer -= delta
	else:
		if can_spawn_more_rats():
			reset_spawn_timer()
			spawn_rat_at_random_hole()

func spawn_rat_at_random_hole():
	if holes.size() >= 2:
		var hole_options = holes.duplicate()
		hole_options.shuffle()
		var spawn_hole = hole_options.pop_front()
		var destination_hole = hole_options.pop_front()
		spawn_hole.spawn_rat(destination_hole,spawn_rat_pickups)

func can_spawn_more_rats():
	var rat_count = 0
	#count rats
	for node in get_children():
		if node is Rat:
			rat_count += 1
	#compare
	if rat_count < max_rats:
		return true
	else:
		return false

func reset_spawn_timer():
	spawn_timer = randf_range(1,spawn_time_max)