extends Node2D

var inst_buttons = []
var sfx_buttons = []

func _create_sfx_buttons():
	var disable_btn := !SoundLoader.has_loaded_audio_samples
	for i in SoundLoader.INST_NUM:
		var btn = Button.new()
		btn.text = 'Inst #%02X' % i
		btn.align = Button.ALIGN_CENTER
		btn.set_position(Vector2((i%7)*50, (i/7)*24))
		btn.rect_min_size.x = 48
		add_child(btn)
		btn.connect('pressed', SoundLoader, 'play_sample', [i])
		inst_buttons.append(btn)
		btn.disabled = disable_btn
	for i in SoundLoader.SFX_NUM:
		var btn = Button.new()
		btn.text = 'SFX #%02X' % i
		btn.align = Button.ALIGN_CENTER
		btn.set_position(Vector2((i%4)*50, 156 + (i/4)*24))
		btn.rect_min_size.x = 48
		add_child(btn)
		btn.connect('pressed', SoundLoader, 'play_sfx', [i])
		sfx_buttons.append(btn)
		btn.disabled = disable_btn
	if disable_btn:
		SoundLoader.connect('audio_samples_loaded', self, '_enable_sfx_buttons')
		SoundLoader.connect('audio_inst_sample_loaded', self, '_enable_inst_button')
		SoundLoader.connect('audio_sfx_sample_loaded', self, '_enable_sfx_button')

func _enable_sfx_buttons():
	for btn in sfx_buttons:
		btn.disabled = false
	for btn in inst_buttons:
		btn.disabled = false

func _enable_sfx_button(id: int):
	# NB: This assumes sequential loading (may change, probably won't)
	for i in id+1:
		sfx_buttons[i].disabled = false

func _enable_inst_button(id: int):
	# NB: This assumes sequential loading (may change, probably won't)
	for i in id+1:
		inst_buttons[i].disabled = false

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	_create_sfx_buttons()