@tool
extends Button
## A button representing a specific action, and offering a default prompt that can be changed
class_name PromptButton

var _action : StringName
var _override : String

@export_custom(PROPERTY_HINT_INPUT_NAME, "show_builtin") var action : StringName = &"ui_accept":
	set(value):
		if is_node_ready():
			_set_action(value)
		else:
			_set_action.call_deferred(value)

	get: return _action


func _set_action(value: StringName):
	if _action == text or not text or not _action:
		text = value
	_action = value
	$ActionPrompt.action = _action

func appear(prompt: String = "") -> void:
	assert(not _override, "Prompt is already in use, overridden from '" + _override + "' to '" + text + "'")
	if prompt:
		_override = text
		text = prompt
	show()

func vanish() -> void:
	hide()
	if _override:
		text = _override
		_override = ""
	else:
		text = action # TODO: this is a bit backwards and doesn't allow manual overrides in editor