class_name P2AJuggleMenuScreen
extends Control
## P2a: schermata JuggleBoard composta dal mockup approvato.
## I controlli trasparenti mantengono input mouse e touch senza alterare la grafica.

signal back_requested
signal mode_requested
signal feedback_requested(frequency: float)

const MOCKUP := preload("res://menus/assets/p2a/p2a_menu_mockup.jpg")

var balls_count := 5
var count_patch: ColorRect
var count_label: Label


func _ready() -> void:
	set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	_build()


func _build() -> void:
	# Il mockup è la composizione grafica di riferimento: STRETCH_SCALE conserva
	# posizione reciproca e proporzioni di tendone, titolo, barra e controlli.
	var artwork := TextureRect.new()
	artwork.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	artwork.texture = MOCKUP
	artwork.expand_mode = TextureRect.EXPAND_IGNORE_SIZE
	artwork.stretch_mode = TextureRect.STRETCH_SCALE
	artwork.mouse_filter = Control.MOUSE_FILTER_IGNORE
	add_child(artwork)

	_add_hotspot(MenuUI.BACK_BUTTON_CENTER, MenuUI.BACK_BUTTON_SIZE, func(): back_requested.emit())
	_add_hotspot(Vector2(0.775, 0.64), Vector2(0.07, 0.10), func(): _change_balls(-1))
	_add_hotspot(Vector2(0.895, 0.64), Vector2(0.07, 0.10), func(): _change_balls(1))
	_add_hotspot(Vector2(0.79, 0.88), Vector2(0.30, 0.14), _start_game)
	_build_dynamic_count()


func _add_hotspot(center: Vector2, normalized_size: Vector2, action: Callable) -> void:
	var hotspot := MenuUI.add_hotspot(self, center, normalized_size)
	hotspot.tooltip_text = ""
	hotspot.pressed.connect(func(): action.call())


func _build_dynamic_count() -> void:
	count_patch = ColorRect.new()
	count_patch.color = Color(1.0, 1.0, 1.0, 0.96)
	count_patch.mouse_filter = Control.MOUSE_FILTER_IGNORE
	count_patch.visible = false
	add_child(count_patch)
	MenuUI.set_normalized_rect(count_patch, Vector2(0.835, 0.64), Vector2(0.055, 0.09))

	count_label = MenuUI.add_label(self, str(balls_count), Vector2(0.835, 0.64), Vector2(0.055, 0.09), 32)
	count_label.visible = false


func _change_balls(delta: int) -> void:
	balls_count = clampi(balls_count + delta, 1, 5)
	count_patch.visible = true
	count_label.visible = true
	count_label.text = str(balls_count)
	feedback_requested.emit(440.0 + 45.0 * balls_count)


func _start_game() -> void:
	# Senza selettore: il menu P2A apre sempre la partita Target standard.
	Settings.game_mode = 0
	Settings.save_settings()
	feedback_requested.emit(784.0)
	mode_requested.emit()