extends Node3D

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

var current_age = AgeState.BABY

# --- REFERENZEN (Müssen im Inspektor zugewiesen werden) ---

# 1. Player & Controller
@export var controller : XRController3D
@export var player_body : CharacterBody3D 
@export var player : XROrigin3D
@export var movement_direct : Node 
@export var camera : Camera3D 

# 2. Environment
@export var world_env : WorldEnvironment

# 3. Audio
@export var audio_baby : AudioStreamPlayer3D
@export var audio_teen : AudioStreamPlayer3D

# 4. Tipi / Burg Meshes
@export var mesh_castle : Node3D
@export var mesh_fort : Node3D

# 5. Interaktive Objekte
@export var heavy_object : RigidBody3D # Das Regal
@export var age_paper : Node3D    # Das Papier mit dem Hinweis

func _ready():
	# Automatisch Controller finden, falls vergessen
	if not controller:
		controller = get_parent().get_parent() 
	
	if controller:
		controller.button_pressed.connect(_on_button_pressed)
		print("Uhr verbunden mit Controller: ", controller.name)
	else:
		printerr("FEHLER: Kein Controller gefunden!")

	# Initial einmal hart setzen (ohne Animation)
	apply_age_physics(false) 

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

func change_age(direction: int):
	var new_age_value = current_age + direction
	
	# Begrenzen: Nicht jünger als Baby, nicht älter als Teen
	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])
	
	# Physik und Aussehen aktualisieren (mit Animation)
	apply_age_physics(true)

func apply_age_physics(animate: bool = true):
	# Sicherheitscheck: Sind alle Nodes zugewiesen?
	if not player_body or not world_env or not movement_direct or not camera or not audio_baby or not audio_teen or not mesh_castle or not mesh_fort or not heavy_object or not age_paper:
		printerr("FEHLER: Bitte ALLE Referenzen (auch Age Paper!) im Inspektor der Uhr zuweisen!")
		return

	# --- ZIELWERTE 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
	var target_vol_baby = -80.0 
	var target_vol_teen = -80.0
	var translation_step = Vector3.ZERO
	
	# Logik-Status Variablen
	var show_castle = false
	var show_fort = false
	var make_object_movable = false
	var is_teen_state = false
	
	match current_age:
		AgeState.BABY:
			# BABY WERTE
			target_saturation = 2.0  # Bunt
			target_height_min = 0.2
			target_height_max = 0.6  # Klein
			target_speed = 1.0       # Langsam
			target_fov = 40.0        # Tunnelblick
			
			# Audio: Baby an, Teen aus
			target_vol_baby = 0.0
			target_vol_teen = -80.0
			
			# Sicherheitsabstand beim Schrumpfen
			translation_step = Vector3(0, 0.05, 0) 
			
			# Meshes: Burg sichtbar
			show_castle = true
			show_fort = false
			
			# Interaktionen
			make_object_movable = false # Regal fest
			is_teen_state = false       # Papier = Gekritzel
			
		AgeState.TEEN:
			# TEEN WERTE
			target_saturation = 0.5  # Grau
			target_height_min = 0.6
			target_height_max = 2.5  # Groß
			target_speed = 3.0       # Schnell
			target_fov = 75.0        # Weitblick
			
			# Audio: Baby aus, Teen an
			target_vol_baby = -80.0
			target_vol_teen = 0.0
			
			# Sicherheitsabstand beim Wachsen
			translation_step = Vector3(0, 0.5, 0) 
			
			# Meshes: Deckenburg sichtbar
			show_castle = false
			show_fort = true
			
			# Interaktionen
			make_object_movable = true # Regal beweglich
			is_teen_state = true       # Papier = Klartext

	# --- ANWENDUNG ---

	# 1. Sofortige Schaltungen (Visuelles & Physik Logik)
	mesh_castle.visible = show_castle
	mesh_fort.visible = show_fort
	
	# Regal update
	if heavy_object.has_method("set_movable"):
		heavy_object.set_movable(make_object_movable)
		
	# Papier update (NEU)
	if age_paper.has_method("update_texture"):
		age_paper.update_texture(is_teen_state)
	
	# 2. Sofortige Positionierung (gegen Stuck-Bugs)
	if animate:
		player.translate(translation_step)
	
	player_body.player_height_min = target_height_min

	# 3. Animationen (Tweening)
	if animate:
		var tween = create_tween()
		tween.set_parallel(true)
		tween.set_trans(Tween.TRANS_SINE)
		tween.set_ease(Tween.EASE_IN_OUT)
		
		# Alle Werte über 1 Sekunde blenden
		tween.tween_property(world_env.environment, "adjustment_saturation", target_saturation, 1.0)
		tween.tween_property(player_body, "player_height_max", target_height_max, 1.0)
		tween.tween_property(movement_direct, "max_speed", target_speed, 1.0)
		tween.tween_property(camera, "fov", target_fov, 1.0)
		tween.tween_property(audio_baby, "volume_db", target_vol_baby, 1.0)
		tween.tween_property(audio_teen, "volume_db", target_vol_teen, 1.0)
		
	else:
		# Start-Setup (Hart setzen ohne Animation)
		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
		audio_baby.volume_db = target_vol_baby
		audio_teen.volume_db = target_vol_teen