extends Control

@onready var data: Data = $/root/Root/Data
@onready var titleScreen: Control = $/root/Root/MainMenu/TitleScreen
@onready var fpsMonitor: RichTextLabel = $/root/Root/FPSMonitor
@onready var mainBus: int = AudioServer.get_bus_index("Master")
@onready var musicBus: int = AudioServer.get_bus_index("Music")
@onready var effectsBus: int = AudioServer.get_bus_index("Effects")
@onready var animationPlayer: AnimationPlayer = $/root/Root/MainMenu/AnimationPlayer
@onready var masterSlide: HSlider = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/MasterSlide
@onready var musicSlide: HSlider = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/MusicSlide
@onready var effectsSlide: HSlider = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/EffectsSlide
@onready var difficulty: OptionButton = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/OptionButton
@onready var windowModeLabel: RichTextLabel = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/WindowMode
@onready var windowMode: OptionButton = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/OptionButton2
@onready var vsync: OptionButton = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/OptionButton3
@onready var maxFPS: OptionButton = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/OptionButton4
@onready var fpsMonitorBox: CheckBox = $/root/Root/MainMenu/Settings/NinePatchRect/ScrollContainer/GridContainer/CheckBox

func _ready():
	difficulty.selected = int(data.difficulty)
	var volumeMaster: float = db_to_linear(AudioServer.get_bus_volume_db(mainBus))
	var volumeMusic: float = db_to_linear(AudioServer.get_bus_volume_db(musicBus))
	var volumeEffects: float = db_to_linear(AudioServer.get_bus_volume_db(effectsBus))
	effectsSlide.value = volumeEffects
	musicSlide.value = volumeMusic
	masterSlide.value = volumeMaster
	if (data.forWeb):
		windowMode.disabled = true
		windowModeLabel.modulate = Color("dfdfdf80")
	else:
		match DisplayServer.window_get_mode():
			DisplayServer.WINDOW_MODE_WINDOWED: windowMode.selected = 0
			DisplayServer.WINDOW_MODE_FULLSCREEN: windowMode.selected = 1
			DisplayServer.WINDOW_MODE_EXCLUSIVE_FULLSCREEN: windowMode.selected = 2
	match DisplayServer.window_get_vsync_mode():
		DisplayServer.VSYNC_DISABLED: vsync.selected = 0
		DisplayServer.VSYNC_ENABLED: vsync.selected = 1
		DisplayServer.VSYNC_ADAPTIVE: vsync.selected = 2
		DisplayServer.VSYNC_MAILBOX: vsync.selected = 3
	match Engine.max_fps:
		24: maxFPS.selected = 0
		30: maxFPS.selected = 1
		60: maxFPS.selected = 2
		90: maxFPS.selected = 3
		120: maxFPS.selected = 4
		144: maxFPS.selected = 5
		240: maxFPS.selected = 6
		0: maxFPS.selected = 7
	fpsMonitorBox.button_pressed = fpsMonitor.visible

func home():
	animationPlayer.play_backwards("settingsTransition")

func changeDifficulty(i: int):
	data.difficulty = i as Data.Difficulty

func changeVolMaster(i: float):
	AudioServer.set_bus_volume_db(mainBus, linear_to_db(i))

func changeVolMusic(i: float):
	AudioServer.set_bus_volume_db(musicBus, linear_to_db(i))

func changeVolEffects(i: float):
	AudioServer.set_bus_volume_db(effectsBus, linear_to_db(i))

func windowModeChanged(index: int):
	match index:
		0: DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_WINDOWED)
		1: DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_FULLSCREEN)
		2: DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_EXCLUSIVE_FULLSCREEN)

func vsyncChanged(index: int):
	match index:
		0: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_DISABLED)
		1: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_ENABLED)
		2: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_ADAPTIVE)
		3: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_MAILBOX)

func toggleFPSMonitor(toggled_on: bool):
	$/root/Root/FPSMonitor.visible = toggled_on

func fpsChanged(index: int):
	match index:
		0: Engine.max_fps = 24
		1: Engine.max_fps = 30
		2: Engine.max_fps = 60
		3: Engine.max_fps = 90
		4: Engine.max_fps = 120
		5: Engine.max_fps = 144
		6: Engine.max_fps = 240
		7: Engine.max_fps = 0