extends Node
const VERSION := "arcade-cabinet-2.3"
var cabinet_id := "cabinet_01"
var database: ProjectDatabase = preload("res://data/project_database.tres")
var cabinet: CabinetProfile
var connection: Node
var game: ArcadeGame
var session := ""
var phase := "idle"
var boot := ""
var reports: Array[Dictionary] = []
var outcomes: Dictionary = {}
var busy := false
var executing := false
var event_number := 0
var notice: Label
var test_win_remaining := -1.0

func _process(delta: float) -> void:
	if phase != "playing" or test_win_remaining < 0.0 or game == null: return
	test_win_remaining -= delta
	if test_win_remaining <= 0.0:
		test_win_remaining = -1.0
		game.win_game()

func _ready() -> void:
	var config := ConfigFile.new()
	config.load("user://arcade_network.cfg")
	cabinet_id = str(config.get_value("network", "cabinet_id", cabinet_id))
	for arg in OS.get_cmdline_user_args():
		if arg.begins_with("--cabinet="): cabinet_id = arg.trim_prefix("--cabinet=")
	for definition in database.cabinets:
		if str(definition.cabinet_id) == cabinet_id: cabinet = definition
	boot = Crypto.new().generate_random_bytes(16).hex_encode()
	# Remote mode must never also run the launcher's local reward mapping.
	RoomRuntime.active_assignment = null
	HardwareManager.active_cabinet = null
	connection = preload("res://core/network/room_connection.gd").new()
	add_child(connection)
	connection.configure("cabinet")
	var layer := CanvasLayer.new()
	add_child(layer)
	notice = Label.new()
	notice.text = "Waiting for the room operator"
	notice.position = Vector2(30, 1000)
	notice.add_theme_font_size_override("font_size", 22)
	layer.add_child(notice)
	var timer := Timer.new()
	timer.wait_time = .5
	timer.timeout.connect(poll)
	add_child(timer)
	timer.start()
	poll()

func poll() -> void:
	if busy or executing: return
	busy = true
	if game != null and phase == "ready" and game.has_method("receive_device_feedback") and HardwareManager.real_gpio and HardwareManager.client != null:
		game.receive_device_feedback(HardwareManager.client.get_feedback())
	var sent := reports.duplicate(true)
	var result: Dictionary = await connection.post("/cabinet/poll", {
		"cabinet": cabinet_id, "protocol": 2, "boot": boot, "version": VERSION,
		"features": ["assignment_config_v1", "device_feedback_v1", "rfid_credit_v1"],
		"feedback": HardwareManager.client.get_feedback() if HardwareManager.real_gpio and HardwareManager.client != null else {},
		"gpio": "real" if HardwareManager.real_gpio else "simulation", "reports": sent,
	})
	busy = false
	if result.has("error"):
		notice.text = "Room connection unavailable — waiting to reconnect"
		return
	for report in sent: reports.erase(report)
	if str(result.get("session", "")) != session:
		session = str(result.get("session", ""))
		outcomes.clear()
		reports.clear()
		unload()
		phase = "idle"
	for command in result.get("commands", []):
		executing = true
		await execute(command)
		executing = false
	notice.text = "Waiting for the room operator" if game == null else ""

func unload() -> void:
	test_win_remaining = -1.0
	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
	if is_instance_valid(game):
		remove_child(game)
		game.queue_free()
	game = null

func event(name: String) -> void:
	if name == "started" and game != null:
		test_win_remaining = float(game.run_config.get("test_auto_win_seconds", -1.0))
	elif name in ["won", "lost"]:
		test_win_remaining = -1.0
	event_number += 1
	reports.append({"kind": "event", "id": boot + ":" + str(event_number), "session": session, "event": name})
	phase = {"started": "playing", "won": "won", "lost": "lost"}.get(name, phase)
	if name in ["won", "lost"] and game != null:
		game.set_process_unhandled_input(false)
		game.set_process_input(false)

func acknowledge(command: Dictionary, ok: bool, detail: String) -> void:
	var report := {"kind": "ack", "id": command.id, "session": session, "ok": ok, "detail": detail}
	outcomes[command.id] = report
	reports.append(report)

func execute(command: Dictionary) -> void:
	if command.get("session") != session: return
	if outcomes.has(command.id):
		reports.append(outcomes[command.id])
		return
	match command.get("type"):
		"prepare":
			var definition: GameDefinition
			for entry in database.games:
				if str(entry.game_id) == str(command.get("game", "pacman")): definition = entry
			if definition == null or cabinet == null or not definition.can_run_on(cabinet):
				acknowledge(command, false, "Game is missing or incompatible with this cabinet")
				return
			if command.get("variant", "standard") != "standard":
				acknowledge(command, false, "Unsupported game variant")
				return
			unload()
			game = definition.scene.instantiate()
			if str(definition.game_id) == "missile_command": game.set("relative_mouse_aim", true)
			Input.mouse_mode = Input.MOUSE_MODE_CAPTURED if str(definition.game_id) in ["missile_command", "tempest"] else Input.MOUSE_MODE_VISIBLE
			add_child(game)
			game.configure(command.get("game_config", {}).duplicate(true))
			if game.has_method("receive_device_feedback") and HardwareManager.client != null:
				game.receive_device_feedback(HardwareManager.client.get_feedback())
			game.game_started.connect(func(): event("started"))
			game.game_won.connect(func(): event("won"))
			game.game_lost.connect(func(): event("lost"))
			phase = "ready"
			acknowledge(command, true, definition.display_name + " loaded and ready")
		"start":
			var ok: bool = game != null and phase == "ready" and game.start_game()
			acknowledge(command, ok, "Game started" if ok else "Cabinet was not ready")
		"reset":
			unload()
			phase = "idle"
			acknowledge(command, true, "Game unloaded; cabinet idle")
		"reward", "output":
			if (command.type == "reward" and phase != "won") or not HardwareManager.real_gpio or cabinet == null or cabinet.hardware_config == null:
				acknowledge(command, false, "Reward requires a win and real GPIO mode")
				return
			var action := cabinet.hardware_config.get_action(StringName(command.get("action_id", "coin_release")))
			if action == null:
				acknowledge(command, false, "Hardware action is not defined on this cabinet")
				return
			var ok: bool = await HardwareManager.client.send({
				"controller": str(cabinet.hardware_config.controller_id), "pin": action.gpio_pin,
				"mode": "pulse" if action.action_type == HardwareAction.ActionType.PULSE_OUTPUT else "set", "active_high": action.active_high, "duration_ms": action.pulse_duration_ms,
				"request_id": command.id,
			})
			acknowledge(command, ok, "GPIO bridge accepted pulse; delivery unconfirmed" if ok else "GPIO failed or acknowledgement lost; inspect cabinet")
		_:
			acknowledge(command, false, "Unsupported command")