extends CanvasLayer

# SettingsMenu - Handles UI logic for the premium settings panel

@onready var tab_container = $PanelContainer/VBoxContainer/ContentSection/TabContainer
@onready var close_button = $PanelContainer/VBoxContainer/Header/CloseButton

# Video Controls
@onready var fullscreen_toggle = %FullscreenToggle
@onready var vsync_toggle = %VSyncToggle

# Audio Controls
@onready var master_slider = %MasterSlider
@onready var music_slider = %MusicSlider
@onready var sfx_slider = %SFXSlider

# Controls (Keybinds)
@onready var SettingsManager = get_node_or_null("/root/SettingsManager")
var listening_action: String = "" # Set when waiting for a keypress

func _ready():
	# Theme inheritance is broken by CanvasLayer root, no need for theme = null
	_load_ui_values()
	_connect_signals()
	
	# Initial visibility
	visible = false

func _load_ui_values():
	if not SettingsManager:
		print("[SettingsMenu] ERROR: SettingsManager not found")
		return
		
	var s = SettingsManager.settings
	
	# Video
	fullscreen_toggle.button_pressed = s.video.fullscreen
	vsync_toggle.button_pressed = s.video.vsync
	
	# Audio
	master_slider.value = s.audio.master_volume
	music_slider.value = s.audio.music_volume
	sfx_slider.value = s.audio.sfx_volume
	
	# Controls
	_update_all_key_labels()

func _connect_signals():
	# Video
	fullscreen_toggle.toggled.connect(_on_video_setting_changed)
	vsync_toggle.toggled.connect(_on_video_setting_changed)
	
	# Audio
	master_slider.value_changed.connect(_on_audio_setting_changed.bind("master_volume"))
	music_slider.value_changed.connect(_on_audio_setting_changed.bind("music_volume"))
	sfx_slider.value_changed.connect(_on_audio_setting_changed.bind("sfx_volume"))
	
	# Close
	close_button.pressed.connect(func(): visible = false)
	
	# Connect remapping buttons
	for action_name in SettingsManager.settings.controls.keys():
		var btn = get_node_or_null("%" + action_name.to_pascal_case() + "Btn")
		if btn:
			btn.pressed.connect(_on_remap_button_pressed.bind(action_name))

func _on_video_setting_changed(_unused = false):
	SettingsManager.settings.video.fullscreen = fullscreen_toggle.button_pressed
	SettingsManager.settings.video.vsync = vsync_toggle.button_pressed
	SettingsManager.save_settings()
	SettingsManager.apply_video_settings()

func _on_audio_setting_changed(key: String, value: float):
	SettingsManager.settings.audio[key] = value
	SettingsManager.save_settings()
	SettingsManager.apply_audio_settings()

func _on_remap_button_pressed(action_name: String):
	listening_action = action_name
	var btn = get_node_or_null("%" + action_name.to_pascal_case() + "Btn")
	if btn:
		btn.text = "..."
		btn.modulate = Color(0.5, 1.0, 0.5) # Signal "Listening"

func _input(event):
	if listening_action != "" and event is InputEventKey and event.pressed:
		# Capture the key
		var keycode = event.keycode
		SettingsManager.set_control(listening_action, keycode)
		
		# Feedback and Reset
		_update_key_label(listening_action)
		listening_action = ""
		
		# Consume event to prevent triggers
		get_viewport().set_input_as_handled()

func _update_all_key_labels():
	for action_name in SettingsManager.settings.controls.keys():
		_update_key_label(action_name)

func _update_key_label(action_name: String):
	var btn = get_node_or_null("%" + action_name.to_pascal_case() + "Btn")
	if btn:
		btn.text = SettingsManager.get_control_text(action_name)
		btn.modulate = Color.WHITE

func open():
	_load_ui_values()
	visible = true