extends MarginContainer

@onready var npc_name_edit: LineEdit = %NPCNameEdit
@onready var behavior_debug_view: BehaviorTreeView = %BehaviorDebugView

var _debug_bt_player:BTPlayer = null

func _process(_delta: float) -> void:
	if _debug_bt_player == null:
		return
	
	var instance: BTInstance = _debug_bt_player.get_bt_instance()
	var data: BehaviorTreeData = BehaviorTreeData.create_from_bt_instance(instance)
	behavior_debug_view.update_tree(data)

func _on_search_button_pressed() -> void:
	_on_npc_name_edit_text_submitted(npc_name_edit.text)

func _on_npc_name_edit_text_submitted(new_text: String) -> void:
	npc_name_edit.release_focus()
	
	var npc_node:NonPlayerCharacter = get_tree().root.find_child(new_text, true, false) as NonPlayerCharacter

	if not is_instance_valid(npc_node):
		push_error("Cannot show npc behavior: could not find node with name '%s'." % new_text)
		return

	_debug_bt_player = npc_node.find_child("BTPlayer") as BTPlayer
	if _debug_bt_player == null:
		behavior_debug_view.clear()
		push_error("Cannot show npc behavior: no BTPlayer found.")