extends CanvasLayer
## Lock adulto: sequenza giallo → verde → blu → rosso.

signal unlocked

const COLORS := {
	"giallo": Color("#e8b84b"), "verde": Color("#88ce96"), "blu": Color("#1852de"),
	"rosso": Color("#de6b7e"), "viola": Color("#9b7ede"),
}
const BALL_ORDER := ["giallo", "verde", "blu", "rosso", "viola"]
const SEQUENCE := ["giallo", "verde", "blu", "rosso"]

var sequence_attempt: Array[String] = []
var progress_dots: Array[LockProgressDot] = []
var _busy := false
var _click: AudioStreamWAV
var _wrong: AudioStreamWAV
var _unlock: AudioStreamWAV


func _ready() -> void:
	process_mode = Node.PROCESS_MODE_ALWAYS
	visible = false
	_click = AudioFactory.create_tone(660.0, 0.09, 0.28)
	_wrong = AudioFactory.create_tone(330.0, 0.11, 0.18)
	_unlock = AudioFactory.create_arpeggio([523.25, 659.25, 783.99], 0.09, 0.24)
	_build()


func _build() -> void:
	var dim := ColorRect.new()
	dim.color = Color(0.06, 0.035, 0.025, 0.78)
	dim.set_anchors_preset(Control.PRESET_FULL_RECT)
	dim.mouse_filter = Control.MOUSE_FILTER_STOP
	add_child(dim)

	var center := CenterContainer.new()
	center.set_anchors_preset(Control.PRESET_FULL_RECT)
	add_child(center)
	var frame := PanelContainer.new()
	frame.custom_minimum_size = Vector2(720, 420)
	var frame_style := CircusTheme.flat_style(Color("#70411f"), Color("#e1ba59"), 6, 30)
	frame_style.shadow_color = Color(0, 0, 0, 0.52)
	frame_style.shadow_size = 20
	frame_style.shadow_offset = Vector2(0, 8)
	for side in [SIDE_LEFT, SIDE_TOP, SIDE_RIGHT, SIDE_BOTTOM]:
		frame_style.set_content_margin(side, 10.0)
	frame.add_theme_stylebox_override("panel", frame_style)
	center.add_child(frame)

	var panel := PanelContainer.new()
	panel.add_theme_stylebox_override("panel", CircusTheme.wood_style())
	frame.add_child(panel)
	var margin := MarginContainer.new()
	margin.add_theme_constant_override("margin_left", 42)
	margin.add_theme_constant_override("margin_right", 42)
	margin.add_theme_constant_override("margin_top", 27)
	margin.add_theme_constant_override("margin_bottom", 25)
	panel.add_child(margin)
	var content := VBoxContainer.new()
	content.add_theme_constant_override("separation", 12)
	margin.add_child(content)
	_add_header(content)
	_add_marbles(content)
	_add_progress(content)
	_add_cancel(content)


func _add_header(parent: VBoxContainer) -> void:
	var title := Label.new()
	title.text = "AREA RISERVATA"
	title.add_theme_font_override("font", CircusTheme.FONT)
	title.add_theme_font_size_override("font_size", 36)
	title.add_theme_color_override("font_color", Color("#ffe08a"))
	title.add_theme_color_override("font_outline_color", Color("#673018"))
	title.add_theme_constant_override("outline_size", 8)
	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	parent.add_child(title)
	var hint := Label.new()
	hint.text = "Chiedi a un adulto di premere la sequenza di colori"
	hint.add_theme_font_override("font", CircusTheme.FONT)
	hint.add_theme_font_size_override("font_size", 19)
	hint.add_theme_color_override("font_color", Color("#56321e"))
	hint.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	parent.add_child(hint)


func _add_marbles(parent: VBoxContainer) -> void:
	var row := HBoxContainer.new()
	row.add_theme_constant_override("separation", 14)
	row.alignment = BoxContainer.ALIGNMENT_CENTER
	parent.add_child(row)
	for color_name in BALL_ORDER:
		var marble := LockMarbleButton.new()
		marble.setup(color_name, COLORS[color_name])
		marble.chosen.connect(_on_press)
		row.add_child(marble)


func _add_progress(parent: VBoxContainer) -> void:
	var row := HBoxContainer.new()
	row.alignment = BoxContainer.ALIGNMENT_CENTER
	row.add_theme_constant_override("separation", 12)
	parent.add_child(row)
	for index in SEQUENCE.size():
		var dot := LockProgressDot.new()
		progress_dots.append(dot)
		row.add_child(dot)


func _add_cancel(parent: VBoxContainer) -> void:
	var cancel := Button.new()
	cancel.text = "ANNULLA"
	cancel.custom_minimum_size = Vector2(210, 52)
	cancel.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
	cancel.add_theme_font_override("font", CircusTheme.FONT)
	cancel.add_theme_font_size_override("font_size", 21)
	cancel.add_theme_color_override("font_color", Color("#fff0c4"))
	cancel.add_theme_stylebox_override("normal", CircusTheme.button_style(Color("#744020"), Color("#ce9b3d"), 4, 13))
	cancel.add_theme_stylebox_override("hover", CircusTheme.button_style(Color("#8b5129"), Color("#f0ca68"), 4, 13))
	cancel.add_theme_stylebox_override("pressed", CircusTheme.button_style(Color("#5c3019"), Color("#ae7927"), 4, 13))
	cancel.pressed.connect(hide_menu)
	parent.add_child(cancel)


func show_menu() -> void:
	sequence_attempt.clear()
	_update_progress()
	visible = true
	get_tree().paused = true


func hide_menu() -> void:
	visible = false
	get_tree().paused = false


func _on_press(color_name: String) -> void:
	if _busy:
		return
	AudioFactory.play_once(self, _click)
	sequence_attempt.append(color_name)
	_update_progress()
	if sequence_attempt.size() == SEQUENCE.size():
		if sequence_attempt == SEQUENCE:
			call_deferred("_finish_unlock")
		else:
			_handle_wrong()


func _handle_wrong() -> void:
	_busy = true
	AudioFactory.play_once(self, _wrong)
	for dot in progress_dots:
		dot.set_color(Color("#d9534f"))
	await get_tree().create_timer(2.0).timeout
	sequence_attempt.clear()
	_update_progress()
	_busy = false


func _finish_unlock() -> void:
	AudioFactory.play_once(self, _unlock)
	hide_menu()
	unlocked.emit()


func _update_progress() -> void:
	for index in progress_dots.size():
		var color: Color = COLORS[sequence_attempt[index]] if index < sequence_attempt.size() else Color.TRANSPARENT
		progress_dots[index].set_color(color)