class_name AppShell
extends Node
## Entry point dell'app: coordina menu e caricamento dei giochi.

const MAIN_MENU_SCENE := preload("res://menus/scenes/main_menu.tscn")
const JUGGLEBOARD_SCENE := preload("res://games/juggleboard/scenes/juggleboard.tscn")
const JUGGLING_GYM_SCENE := preload("res://games/juggling_gym/scenes/juggling_gym.tscn")

var main_menu: MainMenuController
var active_game: Node


func _ready() -> void:
	_create_menus()
	_show_debug_target_or_home()


func _create_menus() -> void:
	main_menu = MAIN_MENU_SCENE.instantiate()
	# P2A avvia direttamente Target: il vecchio dialog Target/Infinita non viene
	# più creato né mostrato.
	main_menu.mode_requested.connect(_start_juggleboard)
	main_menu.gym_requested.connect(_start_juggling_gym)
	main_menu.exit_requested.connect(_exit_app)
	add_child(main_menu)


func _show_debug_target_or_home() -> void:
	var args := OS.get_cmdline_user_args()
	if args.has("--start-juggleboard"):
		_start_juggleboard()
		if args.has("--capture-menus"):
			_capture_game_after_frame()
	elif args.has("--start-gym"):
		_start_juggling_gym()
		if args.has("--capture-menus"):
			_capture_gym_after_frame()
	elif args.has("--capture-mode-dialog"):
		# Compatibilità del flag di debug: il dialog non fa più parte del flusso.
		main_menu.show_juggle()
	elif args.has("--capture-p2a"): 
		main_menu.show_juggle()
	elif args.has("--capture-p3a"):
		main_menu.show_gym()
	else:
		main_menu.show_home()


func _return_to_juggle_menu() -> void:
	if is_instance_valid(active_game):
		active_game.queue_free()
		active_game = null
	main_menu.show_juggle()


func _return_to_gym_menu() -> void:
	if is_instance_valid(active_game):
		active_game.queue_free()
		active_game = null
	main_menu.show_gym()


func _start_juggleboard() -> void:
	main_menu.hide_menu()
	if is_instance_valid(active_game):
		active_game.queue_free()
	active_game = JUGGLEBOARD_SCENE.instantiate()
	active_game.return_requested.connect(_return_to_juggle_menu)
	add_child(active_game)


func _start_juggling_gym() -> void:
	main_menu.hide_menu()
	if is_instance_valid(active_game):
		active_game.queue_free()
	active_game = JUGGLING_GYM_SCENE.instantiate()
	active_game.return_requested.connect(_return_to_gym_menu)
	add_child(active_game)


func _capture_game_after_frame() -> void:
	await RenderingServer.frame_post_draw
	get_viewport().get_texture().get_image().save_png("/tmp/autgame_juggleboard.png")


func _capture_gym_after_frame() -> void:
	await RenderingServer.frame_post_draw
	get_viewport().get_texture().get_image().save_png("/tmp/autgame_juggling_gym.png")


func _exit_app() -> void:
	if not OS.has_feature("web"):
		get_tree().quit()