@tool
extends HBoxContainer

signal param_changed(name, value)
signal param_reset(name)
signal param_submitted(name)

@export var label: String :
	set = set_label
@export var parameter: String
@export var bipolar := false :
	set = set_bipolar


func _ready():
	set_label(label)
	set_bipolar(bipolar)


func set_label(v: String) -> void:
	label = v
	if is_inside_tree():
		$Label.text = v


func set_bipolar(v: bool) -> void:
	bipolar = v
	
	if not is_inside_tree():
		return
	
	if bipolar:
		$HSlider.min_value = -1.0
	else:
		$HSlider.min_value = 0.0


func set_value(v: float) -> void:
	$HSlider.value = v


func get_value() -> float:
	return $HSlider.value


func set_resetable(v: bool) -> void:
	$Reset.disabled = not v


func _on_HSlider_value_changed(value: float):
	param_changed.emit(parameter, value)


func _on_Reset_pressed():
	param_reset.emit(parameter)


func _on_HSlider_value_submitted():
	param_submitted.emit(parameter)