extends Control
## #257: Loading screen overlay — blocks input during save/load round-trip.
## Shown when LOAD_GAME fires; hidden when save_result arrives (success or failure).
## Full-screen, dark overlay with centered status text.

const BG_COLOR := Color(0.0, 0.0, 0.0, 0.75)
const TEXT_COLOR := Color("#c8d0e0")
const FONT_SIZE := 18

var _label: Label = null


func _ready() -> void:
	visible = false
	mouse_filter = Control.MOUSE_FILTER_STOP
	set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	_build_ui()


func _build_ui() -> void:
	var bg := ColorRect.new()
	bg.color = BG_COLOR
	bg.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	bg.mouse_filter = Control.MOUSE_FILTER_IGNORE
	add_child(bg)

	_label = Label.new()
	_label.text = UIStrings.get_text("notifications.loading")
	_label.add_theme_font_size_override("font_size", FONT_SIZE)
	_label.add_theme_color_override("font_color", TEXT_COLOR)
	_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	_label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
	_label.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	_label.mouse_filter = Control.MOUSE_FILTER_IGNORE
	add_child(_label)


func show_loading() -> void:
	visible = true


## Hide the loading overlay. success=false is reserved for future failure-state UI.
func hide_loading(success: bool = true) -> void:
	visible = false