class_name Operation
extends Node

var steps: Array[Node2D] = []
var active_step: Node2D = null

func _ready():
	var children = get_children()
	for child in children:
		if child is Node2D:
			steps.push_back(child)
			if child is CutSequence:
				child.sequence_succeeded.connect(_on_cut_sequence_succeeded.bind(child))
				child.sequence_failed.connect(_on_cut_sequence_failed.bind(child))
				_disable_node2d(child)
		
	active_step = steps[0]
	_enable_node2d(active_step)


func _on_cut_sequence_succeeded(cut_sequence: CutSequence):
	_disable_node2d(active_step)
	var next_index = steps.find(cut_sequence) + 1
	if next_index == 4: 
		_enable_node2d(%TestBody2)
		_disable_node2d(%BatExtraction)
	
	active_step = steps[next_index]
	_enable_node2d(active_step)


func _on_cut_sequence_failed(cut_sequence: CutSequence):
	pass

func _enable_node2d(node: Node2D):
	node.set_deferred("visible", true)
	node.set_deferred("process_mode", Node.PROCESS_MODE_INHERIT)


func _disable_node2d(node: Node2D):
	node.set_deferred("visible", false)
	node.set_deferred("process_mode", Node.PROCESS_MODE_DISABLED)