@tool
extends Label
class_name TimeDisplay

@export var day_night_controller_path: NodePath
@export var display_enabled: bool = true

var _day_night_controller: DayNightController = null

func _ready() -> void:
	set_process(true)
	_resolve_references()
	_connect_controller()
	_update_visibility()
	_update_text()

func _process(_delta: float) -> void:
	if Engine.is_editor_hint():
		_update_text()

func set_display_enabled(value: bool) -> void:
	display_enabled = value
	_update_visibility()
	_update_text()

func _resolve_references() -> void:
	if day_night_controller_path != NodePath():
		_day_night_controller = get_node_or_null(day_night_controller_path) as DayNightController
	else:
		_day_night_controller = get_parent() as DayNightController

func _connect_controller() -> void:
	if _day_night_controller and not _day_night_controller.is_connected("time_changed", Callable(self, "_on_time_changed")):
		_day_night_controller.time_changed.connect(_on_time_changed)

func _on_time_changed(_hours: float) -> void:
	_update_text()

func _update_visibility() -> void:
	visible = display_enabled and _day_night_controller != null

func _update_text() -> void:
	if not display_enabled or not _day_night_controller:
		text = ""
		return
	var hours: float = _day_night_controller.get_time_of_day_hours()
	var total_hours: float = max(_day_night_controller.get_day_length_hours(), 0.001)
	var clamped_hours: float = clamp(hours, 0.0, total_hours)
	var whole_hours: int = int(clamped_hours)
	var minutes: int = int(round((clamped_hours - float(whole_hours)) * 60.0))
	if minutes == 60:
		whole_hours += 1
		minutes = 0
	if whole_hours >= int(total_hours):
		whole_hours = 0
	text = "%02d:%02d" % [whole_hours, minutes]