extends Control


@onready var zoom_node: Node2D = %ZoomNode
@onready var wrapper: Control = %Wrapper
@onready var v_label: Label = %VLabel
@onready var panel_label: Label = %PanelLabel
@onready var transition_overlay: ColorRect = %TransitionOverlay


func _ready() -> void:
	if not Engine.is_editor_hint():
		get_window().mode = Window.MODE_FULLSCREEN

	var screen_size: Vector2 = get_viewport_rect().size

	# Position Node2D at screen center — its transform (scale) will
	# zoom everything from this point, giving a proper zoom-in effect.
	zoom_node.position = screen_size * 0.5

	# Size wrapper to cover the screen, offset so its center aligns
	# with the Node2D origin at screen center.
	wrapper.size = screen_size
	wrapper.position = -screen_size * 0.5

	# Set font sizes proportional to viewport height so they look
	# consistently large at any resolution.
	var v_size: int = maxi(1, int(screen_size.y * 0.42))
	var p_size: int = maxi(1, int(screen_size.y * 0.22))
	v_label.add_theme_font_size_override("normal_font_size", v_size)
	panel_label.add_theme_font_size_override("normal_font_size", p_size)

	# Initial state: tiny + invisible inside the zoom node
	zoom_node.scale = Vector2(0.01, 0.01)
	zoom_node.modulate = Color(1, 1, 1, 0)
	transition_overlay.color = Color(0, 0, 0, 1)

	await get_tree().process_frame

	# Fade overlay away (reveal clean background)
	var reveal := create_tween()
	reveal.tween_property(transition_overlay, "color", Color(0, 0, 0, 0), 0.4)
	await reveal.finished

	# Phase 1: Zoom in + fade in (parallel)
	# Node2D scale produces a true zoom, not just font-size growth.
	var zoom_in := create_tween()
	zoom_in.set_parallel(true)
	zoom_in.tween_property(zoom_node, "scale", Vector2(1.0, 1.0), 2.0).set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_BACK)
	zoom_in.tween_property(zoom_node, "modulate", Color(1, 1, 1, 1), 1.8).set_ease(Tween.EASE_OUT)
	await zoom_in.finished

	# Phase 2: Hold
	await get_tree().create_timer(1.0).timeout

	# Phase 3: Fade out
	var fade_out := create_tween()
	fade_out.tween_property(zoom_node, "modulate", Color(1, 1, 1, 0), 0.8).set_ease(Tween.EASE_IN)
	await fade_out.finished

	# Phase 4: Crossfade to dashboard
	var to_black := create_tween()
	to_black.tween_property(transition_overlay, "color", Color(0, 0, 0, 1), 0.3)
	await to_black.finished

	var dashboard := preload("res://scenes/dashboard.tscn").instantiate()
	add_child(dashboard)

	var from_black := create_tween()
	from_black.tween_property(transition_overlay, "color", Color(0, 0, 0, 0), 0.6)
	await from_black.finished

	remove_child(dashboard)
	get_tree().root.add_child(dashboard)
	queue_free()