class_name HUD extends CanvasLayer

@onready var gauge1 := $FartGauge1 as FartGauge
@onready var gauge2 := $FartGauge2 as FartGauge
@onready var gauge3 := $FartGauge3 as FartGauge

@onready var shader := $TransitionShader

signal fart_reloaded()
signal screen_is_black()
signal screen_is_ready()

var cheese_number = 0
var gauges = []

func _ready() -> void:
    gauge1.connect("reload_done", cheese_loaded)
    gauge2.connect("reload_done", cheese_loaded)
    gauge3.connect("reload_done", cheese_loaded)
    gauges = [gauge1, gauge2, gauge3]

func reset():
    cheese_number = 0
    for gauge in gauges:
        gauge.reset()

func load_cheese():
    for gauge in gauges:
        if gauge.load_cheese():
            return

func dash_fart():
    for x in gauges.size():
        var gauge = gauges[-x-1]
        if gauge.dash_fart():
            return

func cheese_loaded():
    fart_reloaded.emit()

func begin_scene_transition():
    print("start scene transition")
    shader.fade_out()

func end_scene_transition():
    print("end scene transition")
    shader.fade_in()

func _on_transition_shader_fade_in_done() -> void:
    screen_is_ready.emit()

func _on_transition_shader_fade_out_done() -> void:
    screen_is_black.emit()