extends Node

# Semantic actions — NO raw key codes cross the bridge
enum Action {
	MOVE_NORTH, MOVE_SOUTH, MOVE_EAST, MOVE_WEST,
	INTERACT, USE_PERCEPTION_MODE, OPEN_MENU, PAUSE
}

var input_queue: Array[Dictionary] = []

func _unhandled_input(event: InputEvent) -> void:
	# Only process key press events (not releases or repeats)
	if not event is InputEventKey:
		return
	if not event.pressed or event.echo:
		return

	var action: Action = -1
	var action_name: String = ""

	# Map input actions to semantic Action enum
	if event.is_action_pressed("move_north"):
		action = Action.MOVE_NORTH
		action_name = "move_north"
	elif event.is_action_pressed("move_south"):
		action = Action.MOVE_SOUTH
		action_name = "move_south"
	elif event.is_action_pressed("move_east"):
		action = Action.MOVE_EAST
		action_name = "move_east"
	elif event.is_action_pressed("move_west"):
		action = Action.MOVE_WEST
		action_name = "move_west"
	elif event.is_action_pressed("interact"):
		action = Action.INTERACT
		action_name = "interact"
	elif event.is_action_pressed("perception_mode"):
		action = Action.USE_PERCEPTION_MODE
		action_name = "perception_mode"
	elif event.is_action_pressed("open_menu"):
		action = Action.OPEN_MENU
		action_name = "open_menu"
	elif event.is_action_pressed("pause"):
		action = Action.PAUSE
		action_name = "pause"

	# Queue the action if valid
	if action != -1:
		input_queue.append({
			"action": action,
			"timestamp_msec": Time.get_ticks_msec()
		})
		get_viewport().set_input_as_handled()

func flush_queue() -> Array[Dictionary]:
	var queue = input_queue.duplicate()
	input_queue.clear()
	return queue