@tool
extends LineEdit

class_name CustomLineEdit

enum TYPE { INT, TEXT, FLOAT }

@export var inputType : TYPE
@export var step : float = 1
var oldValue : String = ""

var value:
	get:
		return getTypedValue(text)

func _init() -> void:
	text_changed.connect(valueUpdated)


func _input(event : InputEvent) -> void:
	if !has_focus() || event is not InputEventKey || !event.pressed:
		return

	processKeyInput(event)


func processKeyInput(event : InputEventKey) -> void:
	if inputType in [TYPE.INT, TYPE.FLOAT]:
		if event.keycode == KEY_UP:
			text = str(getTypedValue(str(value + step)))
			valueUpdated(text)
		elif event.keycode == KEY_DOWN:
			text = str(getTypedValue(str(value - step)))
			valueUpdated(text)


func valueUpdated(newText : String) -> void:
	valueHasChanged.emit(value)


func setValue(value) -> void:
	text = str(getTypedValue(str(value)))


func getTypedValue(valueToType: String):
	match inputType:
		TYPE.INT: return int(valueToType)
		TYPE.FLOAT: return float(valueToType)
		_: return valueToType

signal valueHasChanged(newValue)