@tool
extends BTAction

@export var target_var: StringName = &"target"
var target_node:Node3D = null
var current_target_name:String = ""

func _generate_name() -> String:
	return "NavigateTo \"%s\"" % [
		LimboUtility.decorate_var(target_var)
		]

func _tick(_delta: float) -> Status:
	target_node = blackboard.get_var(target_var)
	
	if not is_instance_valid(target_node):
		return FAILURE

	if current_target_name != target_node.name:
		current_target_name = target_node.name
		print ("Next target: " + current_target_name)
		
	var agent_npc:NonPlayerCharacter = agent as NonPlayerCharacter
	if agent_npc:
		agent_npc.navigate_to(target_node.global_position)

	var agent_node:Node3D = agent as Node3D
	if agent_node:
		var distance_to_target:float = (agent.global_position - target_node.global_position).length()
		if distance_to_target < 0.1:
			return SUCCESS
	
	return RUNNING