extends Control
class_name HUDLayer
## 스트립 왼쪽 위에 붙는 한 줄짜리 정보 바와 짧은 알림.
## 스트립은 화면에 도킹되므로 창을 끌어 옮기는 기능은 없다. 위치는 메뉴에서 바꾼다.

signal shop_pressed
signal menu_pressed

@onready var control_bar: PanelContainer = $ControlBar
@onready var bubbles_label: Label = %BubblesLabel
@onready var bps_label: Label = %BpsLabel
@onready var beauty_label: Label = %BeautyLabel
@onready var zone_label: Label = %ZoneLabel
@onready var shop_button: Button = %ShopButton
@onready var menu_button: Button = %MenuButton
@onready var toast: Label = %Toast
@onready var trash: PanelContainer = %Trash
@onready var trash_label: Label = %TrashLabel

var _toast_tween: Tween


func _ready() -> void:
	control_bar.add_theme_stylebox_override("panel", UIStyle.panel(UIStyle.PANEL_BG, 12))
	UIStyle.label(bubbles_label, 24, UIStyle.INK)
	UIStyle.label(bps_label, 13, UIStyle.INK_DIM)
	UIStyle.label(beauty_label, 13, UIStyle.GOLD)
	UIStyle.label(zone_label, 13, UIStyle.ACCENT)
	UIStyle.label(toast, 14, UIStyle.INK)
	toast.modulate.a = 0.0

	trash.add_theme_stylebox_override("panel", UIStyle.panel(Color(0.35, 0.06, 0.10, 0.88), 12))
	UIStyle.label(trash_label, 13, UIStyle.INK)
	trash.hide()

	UIStyle.style_button(shop_button)
	UIStyle.style_button(menu_button)
	shop_button.pressed.connect(func(): shop_pressed.emit())
	menu_button.pressed.connect(func(): menu_pressed.emit())

	GameState.zone_unlocked.connect(func(_i: int): _refresh_zone_label())
	GameState.state_changed.connect(_refresh_zone_label)
	GameState.reloaded.connect(_refresh_zone_label)
	SaveManager.offline_earned.connect(_on_offline_earned)
	_refresh_zone_label()


func _process(_delta: float) -> void:
	bubbles_label.text = NumberFormat.short(GameState.bubbles)
	bps_label.text = "초당 %s" % NumberFormat.short(GameState.bps)
	beauty_label.text = "아름다움 %s · x%.2f" % [
		NumberFormat.short(GameState.beauty), GameState.beauty_mult
	]


## 몇 개 구역을 열었고 다음은 무엇인지. 해금 조건 자체는 잠긴 구역 위에 직접 표시된다.
func _refresh_zone_label() -> void:
	var opened := GameState.unlocked_zones
	var total := Catalog.zone_count()
	if not GameState.has_next_zone():
		zone_label.text = "구역 %d/%d · 모두 열었어요" % [opened, total]
		return
	var next_zone := Catalog.zone(GameState.next_zone_index())
	zone_label.text = "구역 %d/%d · 다음 %s %s" % [
		opened, total, next_zone.name, NumberFormat.short(GameState.next_zone_cost())
	]


func _on_offline_earned(amount: float, seconds: int) -> void:
	show_toast("%s 동안 거품 %s를 모았어요" % [
		NumberFormat.duration(seconds), NumberFormat.short(amount)
	], 4.5)


func show_toast(text: String, duration := 2.0) -> void:
	toast.text = text
	if _toast_tween and _toast_tween.is_valid():
		_toast_tween.kill()
	_toast_tween = create_tween()
	_toast_tween.tween_property(toast, "modulate:a", 1.0, 0.2)
	_toast_tween.tween_interval(duration)
	_toast_tween.tween_property(toast, "modulate:a", 0.0, 0.5)


## 클릭했을 때 얻은 양이 위로 떠오르는 숫자.
func float_number(at: Vector2, amount: float) -> void:
	var l := Label.new()
	add_child(l)
	l.text = "+%s" % NumberFormat.short(amount)
	UIStyle.label(l, 15, UIStyle.ACCENT)
	l.position = at - Vector2(14, 10)
	l.mouse_filter = Control.MOUSE_FILTER_IGNORE
	var t := create_tween().set_parallel(true)
	t.tween_property(l, "position:y", l.position.y - 42.0, 0.9) \
		.set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_OUT)
	t.tween_property(l, "modulate:a", 0.0, 0.9)
	t.chain().tween_callback(l.queue_free)


## 무언가를 집어 든 동안만 휴지통을 보여준다. 평소에는 자리를 차지하지 않는다.
func set_trash_visible(on: bool) -> void:
	trash.visible = on


## 휴지통의 사각형. HUD와 바다가 같은 좌표계(Main의 전체 영역)를 쓰므로 그대로 넘길 수 있다.
func trash_area() -> Rect2:
	return Rect2(trash.position, trash.size)