package;

import flixel.util.FlxTimer;
import flixel.FlxState;
import cpp.abi.Abi;
import flixel.FlxG;
import flixel.FlxObject;
import flixel.FlxSprite;
import flixel.addons.transition.FlxTransitionableState;
import flixel.effects.FlxFlicker;
import flixel.graphics.frames.FlxAtlasFrames;
import flixel.group.FlxGroup.FlxTypedGroup;
import flixel.text.FlxText;
import flixel.tweens.FlxEase;
import flixel.tweens.FlxTween;
import flixel.util.FlxColor;
import io.newgrounds.NG;
import lime.app.Application;

import ui.MenuItemList;

using StringTools;

class MainMenuState extends MusicBeatState
{
	var menuItems:MenuItemList;

	var magenta:FlxSprite;
	var camFollow:FlxObject;

	override function create()
	{
		transIn = FlxTransitionableState.defaultTransIn;
		transOut = FlxTransitionableState.defaultTransOut;

		if (!FlxG.sound.music.playing)
		{
			FlxG.sound.playMusic(Paths.music('freakyMenu'));
		}

		persistentUpdate = persistentDraw = true;

		var bg:FlxSprite = new FlxSprite(-80).loadGraphic(Paths.image('menuBG'));
		bg.scrollFactor.x = 0;
		bg.scrollFactor.y = 0.18;
		bg.setGraphicSize(Std.int(bg.width * 1.1));
		bg.updateHitbox();
		bg.screenCenter();
		bg.antialiasing = true;
		add(bg);

		camFollow = new FlxObject(0, 0, 1, 1);
		add(camFollow);

		magenta = new FlxSprite(-80).loadGraphic(Paths.image('menuDesat'));
		magenta.scrollFactor.x = 0;
		magenta.scrollFactor.y = 0.18;
		magenta.setGraphicSize(Std.int(magenta.width * 1.1));
		magenta.updateHitbox();
		magenta.screenCenter();
		magenta.visible = false;
		magenta.antialiasing = true;
		magenta.color = 0xFFfd719b;
		add(magenta);
		// magenta.scrollFactor.set();

		menuItems = new MenuItemList('FNF_main_menu_assets');
		add(menuItems);
		menuItems.onChange.add(onMenuItemChange);
		menuItems.onAcceptPress.add(function(_)
		{
			FlxFlicker.flicker(magenta, 1.1, 0.15, false, true);
		});
		
		
		var hasPopupBlocker = #if web true #else false #end;
		
		menuItems.addItem('story mode', function () startExitState(new StoryMenuState()));
		menuItems.addItem('freeplay', function () startExitState(new FreeplayState()));
		// addMenuItem('options', function () startExitState(new OptionMenu()));
		#if (!switch)
			menuItems.addItem('donate', selectDonate, hasPopupBlocker);
		#end
		#if newgrounds
			if (NG.core.loggedIn)
				menuItems.addItem("logout", selectLogout);
			else
				menuItems.addItem("login", selectLogin, hasPopupBlocker);
		#end
		
		// center vertically
		var spacing = 160;
		var top = (FlxG.height - (spacing * (menuItems.length - 1))) / 2;
		for (i in 0...menuItems.length)
		{
			var menuItem = menuItems.members[i];
			menuItem.x = FlxG.width / 2;
			menuItem.y = top + spacing * i;
		}

		FlxG.camera.follow(camFollow, null, 0.06);

		var versionShit:FlxText = new FlxText(5, FlxG.height - 18, 0, "v" + Application.current.meta.get('version'), 12);
		versionShit.scrollFactor.set();
		versionShit.setFormat("VCR OSD Mono", 16, FlxColor.WHITE, LEFT, FlxTextBorderStyle.OUTLINE, FlxColor.BLACK);
		add(versionShit);

		// NG.core.calls.event.logEvent('swag').send();

		super.create();
	}
	
	function onMenuItemChange(selected:MenuItem)
	{
		camFollow.setPosition(selected.getGraphicMidpoint().x, selected.getGraphicMidpoint().y);
	}
	
	function selectDonate()
	{
		#if linux
		Sys.command('/usr/bin/xdg-open', ["https://ninja-muffin24.itch.io/funkin", "&"]);
		#else
		FlxG.openURL('https://ninja-muffin24.itch.io/funkin');
		#end
	}
	
	function selectLogin()
	{
	}
	
	function selectLogout()
	{
	}
	
	function startExitState(state:FlxState)
	{
		var duration = 0.4;
		menuItems.forEach(function(item)
		{
			if (menuItems.selectedIndex != item.ID)
			{
				FlxTween.tween(item, {alpha: 0}, duration, { ease: FlxEase.quadOut });
			}
			else
			{
				item.visible = false;
			}
		});
		
		new FlxTimer().start(duration, function(_) FlxG.switchState(state));
	}

	override function update(elapsed:Float)
	{
		if (FlxG.sound.music.volume < 0.8)
		{
			FlxG.sound.music.volume += 0.5 * FlxG.elapsed;
		}

		if (menuItems.active && controls.BACK)
			FlxG.switchState(new TitleState());

		super.update(elapsed);
	}
}