extends Control


const DISABLED_COLOR := Color(0xb0b0b0ff)


onready var difficulty_buttons := [
	$"%BeginnerButton",
	$"%AdvancedButton",
	$"%AdvancedButton",
	$"%ProfessionalButton",
]


func _ready() -> void:
	Fade.fade_in(0.4)
	Audio.play_music(load("res://audio/music/rumble_revolution_demo.ogg"))
	yield(get_tree(), "idle_frame")
	difficulty_buttons[Game.difficulty].grab_focus()


func _input(event: InputEvent) -> void:
	if Input.is_action_just_pressed("ui_accept") or Input.is_action_just_pressed("pause"):
		Game.marathon_mode = true
		Game.lives = Game.marathon_lives
		Game.marathon_score = 0
		Game.marathon_shards = 0
		Game.marathon_deaths = 0
		Game.current_level = LevelData.marathon_start
		Game.change_map(LevelData.levels[Game.current_level].scene)
	elif Input.is_action_just_pressed("ui_cancel"):
		Game.marathon_mode = false
		Game.current_level = 0
		Fade.fade_out(Options.transition_speed_secs)
		yield(Fade, "fade_finished")
		SceneManager.change_scene(load("res://menus/main_menu.tscn").instance())


func _set_difficulty(difficulty: int) -> void:
	var use_lives := Game.use_lives
	Game.difficulty = difficulty
	Game.use_lives = use_lives
	for b in difficulty_buttons:
		b.get_parent().modulate = DISABLED_COLOR
	difficulty_buttons[difficulty].get_parent().modulate = Color.white


func _on_DifficultySelect_focus_entered() -> void:
	difficulty_buttons[Game.difficulty].grab_focus()