extends Node



var player: Node3D
var movement_manager: Node
var race_manager: Node
@onready var SettingsManager = get_node_or_null("/root/SettingsManager")

func initialize(p_player: Node3D, p_movement_manager: Node, p_race_manager: Node):
	player = p_player
	movement_manager = p_movement_manager
	race_manager = p_race_manager

func _process(delta):
	# Early return conditions
	if not is_instance_valid(player) or not multiplayer.has_multiplayer_peer() or not player.is_multiplayer_authority() or player.is_bot or player.is_in_group("Bots") or player.is_frozen or player.is_stop_frozen:
		return
		
	if TurnManager.turn_based_mode:
		return
		
	var move_vec = Vector2i.ZERO
	# 1. Controller / Joystick Movement
	if SettingsManager and SettingsManager.settings.controls.get("use_controller", false):
		var joystick_vec = Input.get_vector("move_west", "move_east", "move_north", "move_south")
		if joystick_vec.length() > 0.3: # Deadzone
			if abs(joystick_vec.x) > abs(joystick_vec.y):
				move_vec.x = 1 if joystick_vec.x > 0 else -1
			else:
				move_vec.y = 1 if joystick_vec.y > 0 else -1
	
	# 2. Keyboard Movement (Fallback)
	if move_vec == Vector2i.ZERO:
		if Input.is_action_pressed("move_north"): move_vec.y -= 1
		if Input.is_action_pressed("move_south"): move_vec.y += 1
		if Input.is_action_pressed("move_east"): move_vec.x += 1
		if Input.is_action_pressed("move_west"): move_vec.x -= 1
	
	# Fallback for explicit diagonal actions (if mapped)
	if move_vec == Vector2i.ZERO:
		if Input.is_action_pressed("move_northeast"): move_vec = Vector2i(1, -1)
		elif Input.is_action_pressed("move_southeast"): move_vec = Vector2i(1, 1)
		elif Input.is_action_pressed("move_southwest"): move_vec = Vector2i(-1, 1)
		elif Input.is_action_pressed("move_northwest"): move_vec = Vector2i(-1, -1)
	

	# 3. Action inputs (momentary)
	if Input.is_action_just_pressed("action_grab"):
		player.grab_item(player.current_position)
		
	if move_vec != Vector2i.ZERO:
		var base_pos = player.current_position
		if movement_manager.is_moving and player.target_position != Vector2i(-1, -1):
			base_pos = player.target_position
		var target_position = base_pos + move_vec
		movement_manager.simple_move_to(target_position)



func handle_unhandled_input(event):
	# Early return if not authorized human player
	if not multiplayer.has_multiplayer_peer() or not player.is_multiplayer_authority() or player.is_bot or player.is_in_group("Bots"):
		if multiplayer.has_multiplayer_peer():
			player.set_process_unhandled_input(false)
		return
	
	var main = player.get_node("/root/Main")
	if not main:
		return
	
	# Turn-based mouse input (handled in unhandled_input)
	if not player.is_multiplayer_authority() or player.is_frozen or player.is_stop_frozen or (TurnManager.turn_based_mode and (not player.is_my_turn or movement_manager.is_moving)):
		return

	# --- Keyboard Shortcuts (Event-based) ---
	if event is InputEventKey and event.pressed and not event.echo:
		# Safety check for SettingsManager
		if not SettingsManager:
			return

		# 1. Unified check for POWER-UP Activation
		if event.is_action_pressed("use_powerup"):
			player.activate_held_powerup()
			get_viewport().set_input_as_handled()
			return


		# 3. Action Buttons (Remappable via InputMap)
		if event.is_action_pressed("action_knock_tekton"):
			if player.powerup_manager:
				player.powerup_manager.use_special_effect()
				if player.is_attack_mode and player.has_method("enter_attack_mode"):
					player.enter_attack_mode()
			get_viewport().set_input_as_handled()
						
		elif event.is_action_pressed("action_grab_tekton"):
			if not player.is_carrying_tekton:
				if player.powerup_manager and player.powerup_manager.has_method("can_use_special"):
					player.grab_tekton()
			get_viewport().set_input_as_handled()

	# Handle spawn point selection if not yet selected
	if not player.spawn_point_selected and player.highlighted_spawn_points.size() > 0:
		if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
			var camera = player.get_viewport().get_camera_3d()
			var from = camera.project_ray_origin(event.position)
			var to = from + camera.project_ray_normal(event.position) * 1000
			
			var click_position = player.raycast_to_grid(from, to)
			if click_position in player.highlighted_spawn_points:
				if player.select_spawn_point(click_position):
					return
	
	# Turn-based mouse input
	if not player.is_multiplayer_authority() or (TurnManager.turn_based_mode and (not player.is_my_turn or movement_manager.is_moving)):
		return

	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
		if player.is_bot == true or player.is_in_group("Bots"):
			player.set_process_unhandled_input(false)
			player.set_process_input(false)
			return
		var camera = player.get_viewport().get_camera_3d()
		var from = camera.project_ray_origin(event.position)
		var to = from + camera.project_ray_normal(event.position) * 1000
		
		var click_position = player.raycast_to_grid(from, to)
		if click_position != Vector2i(-1, -1):
			handle_grid_click(click_position)

func handle_grid_click(grid_position: Vector2i):
	if player.is_frozen or player.is_stop_frozen or player.is_bot == true or player.is_in_group("Bots"):
		return
	var main = player.get_node("/root/Main")
	if not main:
		return
	
	# Action logic previously here has been removed along with ActionMenu.
	# Standard movement/interaction is now handled via keyboard/joystick.


func handle_slot_gui_input(event, slot_index, slot_ui) -> int:
	# Arrangement mode has been removed along with ActionMenu.
	return -1