extends Control
var connection: Node
var busy := false
var status: Label
var history: RichTextLabel
var prepare: Button
var start: Button
var reset: Button
var message: Label
var confirm: ConfirmationDialog

func _ready() -> void:
	connection = preload("res://core/network/room_connection.gd").new()
	add_child(connection)
	connection.configure("operator")
	var center := CenterContainer.new()
	center.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
	add_child(center)
	var column := VBoxContainer.new()
	column.custom_minimum_size = Vector2(1050, 0)
	column.add_theme_constant_override("separation", 18)
	center.add_child(column)
	var title := Label.new()
	title.text = "ARCADE ROOM CONTROL"
	title.add_theme_font_size_override("font_size", 42)
	column.add_child(title)
	status = Label.new()
	status.add_theme_font_size_override("font_size", 25)
	column.add_child(status)
	var row := HBoxContainer.new()
	column.add_child(row)
	prepare = add_button(row, "Prepare Pac-Man", func(): command("prepare"))
	start = add_button(row, "Start Game", func(): command("start"))
	reset = add_button(row, "Reset Cabinet…", func(): confirm.popup_centered())
	confirm = ConfirmationDialog.new()
	confirm.dialog_text = "Unload the current game and reset this cabinet's room session?"
	confirm.confirmed.connect(func(): command("reset"))
	add_child(confirm)
	message = Label.new()
	message.text = "Cabinet 01 quick controls • Open the controller URL in a browser for all cabinets"
	column.add_child(message)
	history = RichTextLabel.new()
	history.custom_minimum_size = Vector2(1050, 380)
	history.add_theme_font_size_override("normal_font_size", 20)
	column.add_child(history)
	var hint := Label.new()
	hint.text = "Accepted GPIO output does not confirm physical coin delivery.\nClosing this window leaves the room controller running. Escape closes this app."
	column.add_child(hint)
	set_buttons(false, false, false)
	var timer := Timer.new()
	timer.wait_time = 1.0
	timer.timeout.connect(refresh)
	add_child(timer)
	timer.start()
	refresh()

func add_button(parent: Node, text: String, callback: Callable) -> Button:
	var button := Button.new()
	button.text = text
	button.add_theme_font_size_override("font_size", 24)
	button.pressed.connect(callback)
	parent.add_child(button)
	return button

func set_buttons(can_prepare: bool, can_start: bool, can_reset: bool) -> void:
	prepare.disabled = not can_prepare
	start.disabled = not can_start
	reset.disabled = not can_reset

func display(state: Dictionary) -> void:
	if state.has("error"):
		status.text = "CONTROLLER UNAVAILABLE\n" + str(state.error)
		set_buttons(false, false, false)
		return
	var pending := false
	for item in state.commands:
		if item.status == "queued": pending = true
	var available: bool = state.online and not pending
	set_buttons(available and state.phase in ["idle", "won", "lost", "needs_prepare"], available and state.phase == "ready", available)
	status.text = "Cabinet 01: %s  |  %s\nGame: %s  |  GPIO mode: %s  |  Agent: %s\nReward: %s" % ["ONLINE" if state.online else "OFFLINE", str(state.phase).to_upper(), state.get("game", "pacman"), state.gpio, state.version, state.reward]
	history.text = "EVENT HISTORY\n"
	for item in state.history:
		history.text += "%s  %s\n" % [Time.get_datetime_string_from_unix_time(int(item.time)).replace("T", " ") + " UTC", item.message]
	history.scroll_to_line(history.get_line_count())

func refresh() -> void:
	if busy: return
	busy = true
	var state: Dictionary = await connection.post("/operator/state")
	busy = false
	display(state)

func command(action: String) -> void:
	if busy: return
	busy = true
	set_buttons(false, false, false)
	var payload := {"action": action, "cabinet": "cabinet_01"}
	if action == "prepare": payload = {"action": "prepare_scenario", "scenario": "proof_of_concept"}
	var state: Dictionary = await connection.post("/operator/command", payload)
	busy = false
	if state.has("error"): message.text = str(state.error)
	else: message.text = "Command queued; waiting for cabinet acknowledgement"
	display(state)