package funkin.ui;

import flixel.FlxCamera;
import flixel.FlxObject;
import flixel.FlxSprite;
import funkin.ui.AtlasText.AtlasFont;
import funkin.ui.OptionsState.Page;
import funkin.ui.TextMenuList.TextMenuItem;

class PreferencesMenu extends Page
{
  public static var preferences:Map<String, Dynamic> = new Map();

  var items:TextMenuList;

  var checkboxes:Array<CheckboxThingie> = [];
  var menuCamera:FlxCamera;
  var camFollow:FlxObject;

  public function new()
  {
    super();

    menuCamera = new SwagCamera();
    FlxG.cameras.add(menuCamera, false);
    menuCamera.bgColor = 0x0;
    camera = menuCamera;

    add(items = new TextMenuList());

    createPrefItem('naughtyness', 'censor-naughty', true);
    createPrefItem('downscroll', 'downscroll', false);
    createPrefItem('flashing menu', 'flashing-menu', true);
    createPrefItem('Camera Zooming on Beat', 'camera-zoom', true);
    createPrefItem('FPS Counter', 'fps-counter', true);
    createPrefItem('Auto Pause', 'auto-pause', false);

    camFollow = new FlxObject(FlxG.width / 2, 0, 140, 70);
    if (items != null) camFollow.y = items.selectedItem.y;

    menuCamera.follow(camFollow, null, 0.06);
    var margin = 160;
    menuCamera.deadzone.set(0, margin, menuCamera.width, 40);
    menuCamera.minScrollY = 0;

    items.onChange.add(function(selected)
    {
      camFollow.y = selected.y;
    });
  }

  public static function getPref(pref:String):Dynamic
  {
    return preferences.get(pref);
  }

  // easy shorthand?
  public static function setPref(pref:String, value:Dynamic):Void
  {
    preferences.set(pref, value);
  }

  public static function initPrefs():Void
  {
    preferenceCheck('censor-naughty', true);
    preferenceCheck('downscroll', false);
    preferenceCheck('flashing-menu', true);
    preferenceCheck('camera-zoom', true);
    preferenceCheck('fps-counter', true);
    preferenceCheck('auto-pause', false);
    preferenceCheck('master-volume', 1);

    #if muted
    setPref('master-volume', 0);
    FlxG.sound.muted = true;
    #end

    if (!getPref('fps-counter')) FlxG.stage.removeChild(Main.fpsCounter);

    FlxG.autoPause = getPref('auto-pause');
  }

  function createPrefItem(prefName:String, prefString:String, prefValue:Dynamic):Void
  {
    items.createItem(120, (120 * items.length) + 30, prefName, AtlasFont.BOLD, function()
    {
      preferenceCheck(prefString, prefValue);

      switch (Type.typeof(prefValue).getName())
      {
        case 'TBool':
          prefToggle(prefString);

        default:
          trace('swag');
      }
    });

    switch (Type.typeof(prefValue).getName())
    {
      case 'TBool':
        createCheckbox(prefString);

      default:
        trace('swag');
    }

    trace(Type.typeof(prefValue).getName());
  }

  function createCheckbox(prefString:String)
  {
    var checkbox:CheckboxThingie = new CheckboxThingie(0, 120 * (items.length - 1), preferences.get(prefString));
    checkboxes.push(checkbox);
    add(checkbox);
  }

  /**
   * Assumes that the preference has already been checked/set?
   */
  function prefToggle(prefName:String)
  {
    var daSwap:Bool = preferences.get(prefName);
    daSwap = !daSwap;
    preferences.set(prefName, daSwap);
    checkboxes[items.selectedIndex].daValue = daSwap;
    trace('toggled? ' + preferences.get(prefName));

    switch (prefName)
    {
      case 'fps-counter':
        if (getPref('fps-counter')) FlxG.stage.addChild(Main.fpsCounter);
        else
          FlxG.stage.removeChild(Main.fpsCounter);
      case 'auto-pause':
        FlxG.autoPause = getPref('auto-pause');
    }

    if (prefName == 'fps-counter') {}
  }

  override function update(elapsed:Float)
  {
    super.update(elapsed);

    // menuCamera.followLerp = CoolUtil.camLerpShit(0.05);

    items.forEach(function(daItem:TextMenuItem)
    {
      if (items.selectedItem == daItem) daItem.x = 150;
      else
        daItem.x = 120;
    });
  }

  static function preferenceCheck(prefString:String, defaultValue:Dynamic):Void
  {
    if (preferences.get(prefString) == null)
    {
      // Set the value to default.
      preferences.set(prefString, defaultValue);
      trace('Set preference to default: ${prefString} = ${defaultValue}');
    }
    else
    {
      trace('Found preference: ${prefString} = ${preferences.get(prefString)}');
    }
  }
}

class CheckboxThingie extends FlxSprite
{
  public var daValue(default, set):Bool;

  public function new(x:Float, y:Float, daValue:Bool = false)
  {
    super(x, y);

    frames = Paths.getSparrowAtlas('checkboxThingie');
    animation.addByPrefix('static', 'Check Box unselected', 24, false);
    animation.addByPrefix('checked', 'Check Box selecting animation', 24, false);

    antialiasing = true;

    setGraphicSize(Std.int(width * 0.7));
    updateHitbox();

    this.daValue = daValue;
  }

  override function update(elapsed:Float)
  {
    super.update(elapsed);

    switch (animation.curAnim.name)
    {
      case 'static':
        offset.set();
      case 'checked':
        offset.set(17, 70);
    }
  }

  function set_daValue(value:Bool):Bool
  {
    if (value) animation.play('checked', true);
    else
      animation.play('static');

    return value;
  }
}