@tool
extends OptionButton
class_name CustomOptionButton


signal onValueChanged(value : String)


var selectedValue : String
var options : Dictionary


func _ready() -> void:
	allow_reselect = true
	item_selected.connect(itemHasBeenSelected)


func setOptions(options : Dictionary, defaultSelectedValue : String = "") -> void:
	self.options = options
	clear()
	options.keys().map(add_item)
	selectItemByValue(defaultSelectedValue)


func addOption(value : String, displayName : String, autoSelect : bool = false) -> void:
	add_item(displayName)
	options.set(value, displayName)

	if autoSelect:
		selected = options.size() - 1
		selectedValue = value


func itemHasBeenSelected(index : int) -> void:
	var value = options.get(get_item_text(index))
	if selectedValue != value:
		selectedValue = value
		onValueChanged.emit(selectedValue)


func selectItemByValue(value : String) -> void:
	var name = options.find_key(value)
	for i in item_count:
		if get_item_text(i) == name:
			selected = i
			selectedValue = value
			return

	if options:
		selected = 0
		itemHasBeenSelected(0)