extends Node3D

# Wir definieren unsere 2 Altersstufen
enum AgeState { BABY, TEEN }

var current_age = AgeState.BABY

# Referenzen zu den anderen Nodes
@export var controller : XRController3D
@export var player_body : CharacterBody3D 
@export var player : XROrigin3D
@export var world_env : WorldEnvironment
@export var movement_direct : Node 

# NEU: Referenz zur Kamera für den FOV-Effekt
@export var camera : Camera3D 

func _ready():
	if not controller:
		controller = get_parent().get_parent() 
	
	if controller:
		controller.button_pressed.connect(_on_button_pressed)
		print("Uhr verbunden mit Controller: ", controller.name)

	# Initial einmal hart setzen
	apply_age_physics(false) 

func _on_button_pressed(button_name: String):
	match button_name:
		"trigger_click": # Älter
			change_age(1)
		"grip_click": # Jünger
			change_age(-1)

func change_age(direction: int):
	var new_age_value = current_age + direction
	
	if new_age_value < AgeState.BABY:
		print("Du bist schon ein Baby!")
		return
	elif new_age_value > AgeState.TEEN:
		print("Du bist schon erwachsen!")
		return
		
	current_age = new_age_value
	print("Wechsle Alter zu: ", AgeState.keys()[current_age])
	
	apply_age_physics(true)

func apply_age_physics(animate: bool = true):
	# Sicherheitscheck erweitert um Camera
	if not player_body or not world_env or not movement_direct or not camera:
		printerr("FEHLER: Bitte ALLE Nodes (auch Camera) im Inspektor zuweisen!")
		return

	# Ziel-Werte definieren
	var target_saturation = 1.0
	var target_height_max = 0.0
	var target_height_min = 0.0
	var target_speed = 0.0 
	var target_fov = 75.0 # NEU: Variable für FOV
	var translation_step = Vector3.ZERO
	
	match current_age:
		AgeState.BABY:
			target_saturation = 2.0  
			target_height_min = 0.2
			target_height_max = 0.6
			target_speed = 1.0 
			target_fov = 40.0 # NEU: Enger Blick (Baby Tunnelblick)
			translation_step = Vector3(0, 0.05, 0) 
			
		AgeState.TEEN:
			target_saturation = 0.5 
			target_height_min = 0.6
			target_height_max = 2.5
			target_speed = 3.0 
			target_fov = 75.0 # NEU: Normaler Blick
			translation_step = Vector3(0, 0.5, 0) 

	# Sofortige Änderungen (Sicherheit)
	if animate:
		player.translate(translation_step)
	
	player_body.player_height_min = target_height_min

	if animate:
		# --- ANIMATION START ---
		var tween = create_tween()
		tween.set_parallel(true)
		tween.set_trans(Tween.TRANS_SINE)
		tween.set_ease(Tween.EASE_IN_OUT)
		
		# 1. Environment Sättigung
		tween.tween_property(world_env.environment, "adjustment_saturation", target_saturation, 1.0)
		
		# 2. Körpergröße
		tween.tween_property(player_body, "player_height_max", target_height_max, 1.0)
		
		# 3. Geschwindigkeit
		tween.tween_property(movement_direct, "max_speed", target_speed, 1.0)
		
		# 4. Kamera FOV (NEU)
		tween.tween_property(camera, "fov", target_fov, 1.0)
		
	else:
		# Start-Setup (Hart setzen)
		world_env.environment.adjustment_saturation = target_saturation
		player_body.player_height_max = target_height_max
		movement_direct.max_speed = target_speed
		camera.fov = target_fov # NEU