@tool
extends Control
class_name LanguageSelector

signal language_changed(new_language: String)

@onready var left_button: Button = $LanguageLeftButton
@onready var right_button: Button = $LanguageRightButton
@onready var language_display: Label = $LanguageDisplay

@export var settings_manager: Node = SettingsManager
@export var localization_manager: Node = LocalizationManager

var language_codes: Array[String] = []
var original_scale: Vector2
var original_modulate: Color
var is_highlighted: bool = false

func _ready():
	DebugManager.log_info("LanguageSelector ready", "LanguageSelector")

	# Store original visual properties
	original_scale = scale
	original_modulate = modulate

	# Connect button signals
	if left_button and not left_button.pressed.is_connected(_on_left_button_pressed):
		left_button.pressed.connect(_on_left_button_pressed)

	if right_button and not right_button.pressed.is_connected(_on_right_button_pressed):
		right_button.pressed.connect(_on_right_button_pressed)

	# Initialize language data
	_load_language_data()
	_update_language_display()

func _load_language_data():
	if not settings_manager:
		settings_manager = SettingsManager

	var languages_data = settings_manager.get_languages_data()
	if languages_data.has("languages"):
		language_codes.clear()
		for lang_code in languages_data.languages.keys():
			language_codes.append(lang_code)
		DebugManager.log_info("Loaded %d languages" % language_codes.size(), "LanguageSelector")

func _update_language_display():
	if not settings_manager:
		return

	var current_lang = settings_manager.get_setting("language")
	var languages_data = settings_manager.get_languages_data()

	if languages_data.has("languages") and languages_data.languages.has(current_lang):
		language_display.text = languages_data.languages[current_lang]["display_name"]
	else:
		language_display.text = current_lang if current_lang else "Unknown"

func change_language(direction: int):
	if language_codes.size() == 0:
		DebugManager.log_warn("No languages available", "LanguageSelector")
		return

	var current_lang = settings_manager.get_setting("language")
	var current_index = language_codes.find(current_lang)
	if current_index < 0:
		current_index = 0

	var new_index = (current_index + direction) % language_codes.size()
	if new_index < 0:
		new_index = language_codes.size() - 1

	var new_lang = language_codes[new_index]
	settings_manager.set_setting("language", new_lang)

	if localization_manager:
		localization_manager.change_language(new_lang)
	else:
		LocalizationManager.change_language(new_lang)

	_update_language_display()
	language_changed.emit(new_lang)
	DebugManager.log_info("Language changed to: " + new_lang, "LanguageSelector")

func set_highlighted(highlighted: bool):
	is_highlighted = highlighted
	if highlighted:
		scale = original_scale * 1.05
		modulate = Color(1.1, 1.1, 0.9)
	else:
		scale = original_scale
		modulate = original_modulate

func handle_input_action(action: String) -> bool:
	match action:
		"move_left":
			change_language(-1)
			return true
		"move_right":
			change_language(1)
			return true
		_:
			return false

func _on_left_button_pressed():
	AudioManager.play_ui_click()
	DebugManager.log_info("Language left button clicked", "LanguageSelector")
	change_language(-1)

func _on_right_button_pressed():
	AudioManager.play_ui_click()
	DebugManager.log_info("Language right button clicked", "LanguageSelector")
	change_language(1)

# For navigation system integration
func get_control_name() -> String:
	return "language_selector"