extends Control
## An interactive sequence (mostly in UI space) that can be play()ed.
class_name Playable


func _ready() -> void:
	prints("playable.gd", "_ready()", self)
	hide()
	# HACK: Lets us debug playables more easily
	if get_parent() == get_tree().root: _debug_mode()
	

## Awaitable that encapsulates the core interaction with this Playable
func play() -> void:
	push_warning("Playeable[base].play() not overridden")
	await get_tree().process_frame # Dummy wait so this is a coroutine

func handle_hover(_area: Draggable):
	#prints("Playable[base].handle_hover", _area, _area.name)
	pass

const TRANSPARENT_BLACK := Color(0,0,0,0)

func appear():
	self.modulate = TRANSPARENT_BLACK
	show()
	var tween := create_tween().set_ease(Tween.EASE_IN)
	tween.tween_property(self, "modulate", Color.WHITE, 0.3)
	await tween.finished

func vanish():
	var tween := create_tween().set_ease(Tween.EASE_OUT)
	tween.tween_property(self, "modulate", TRANSPARENT_BLACK, 0.3)
	await tween.finished
	hide()


## Override this (and call super._debug_mode()) if you want to initialize some data 
## for running this playable standalone ("play current scene")
func _debug_mode():
	push_warning("playable.gd: DEBUG MODE - ", self)
	await get_tree().create_timer(1).timeout
	play()