import flixel.FlxG;
import funkin.play.song.Song;
import funkin.play.PlayState;
import funkin.Paths;
import funkin.play.cutscene.VideoCutscene;
import funkin.graphics.FunkinSprite;
import funkin.play.cutscene.CutsceneType;
import funkin.play.PlayStatePlaylist;
import funkin.save.Save;

/**
 * Apply middlescroll to the song.
 */
class BlazinSong extends Song {
	public function new() {
		super('blazin');

		this.hasHidden = false;
		this.hasPlayedCutscene = false;
	}

	function onCreate(event:ScriptEvent):Void {
		super.onCreate(event);

		this.hasHidden = false;
		this.hasPlayedCutscene = false;
	}

	function onDestroy(event:ScriptEvent):Void {
		super.onDestroy(event);

		this.hasHidden = false;
	}

	function onNoteHit(event:HitNoteScriptEvent):Void {
		super.onNoteHit(event);
	}

	public function listDifficulties(variationId:String, variationIds:Array<String>, showLocked:Bool):Array<String> {
		if (showLocked || Save.instance.hasBeatenLevel('weekend1')) {
			return super.listDifficulties(variationId, variationIds);
		}

		// Hide all difficulties if the player has not beaten the week.
		return [];
	}

	var hasHidden = false;
	var hasPlayedCutscene:Bool = false;

	function onUpdate(event:ScriptEvent):Void
	{
		super.onUpdate(event);

		if (!this.hasHidden)
		{
			this.hasHidden = true;
			hideOpponentStrumline();
			centerPlayerStrumline();
		}
	}

	function hideOpponentStrumline()
	{
		var opponentStrumline:FlxSprite = PlayState.instance.opponentStrumline;
		if (opponentStrumline != null)
		{
			for (arrow in opponentStrumline.members)
			{
				arrow.visible = false;
			}
		}
	}

	function centerPlayerStrumline()
	{
    // This is a song gimmick we are never making middlescroll an option.

		var playerStrumline:FlxSprite = PlayState.instance.playerStrumline;
		if (playerStrumline != null)
		{
			playerStrumline.x = FlxG.width / 2 - playerStrumline.width / 2;
		}
	}

  public override function onSongEnd(event:CountdownScriptEvent):Void {
		super.onSongEnd(event);

		// Keep the cutscene from playing outside of story mode.
    if (!PlayStatePlaylist.isStoryMode) hasPlayedCutscene = true;

    if (!hasPlayedCutscene) {
      trace('Pausing ending to play a video cutscene (`blazin`)');

      hasPlayedCutscene = true;

			// Add a black background behind the cutscene to fix a transition bug!
			trace('Adding black background behind cutscene over UI');
			var bgSprite = new FunkinSprite(-100, -100);
			bgSprite.makeSolidColor(2000, 2500, 0xFF000000);
			bgSprite.cameras = [PlayState.instance.camHUD]; // Show over the HUD.
			bgSprite.zIndex = 1000000;
			PlayState.instance.add(bgSprite);
			PlayState.instance.refresh();

      event.cancel(); // CANCEL THE COUNTDOWN!

      startVideo();
    } else {
			// Make sure the cutscene can play again next time!
			hasPlayedCutscene = false;
			// DO NOT CANCEL THE EVENT!
		}
	}

  function startVideo() {
		VideoCutscene.play(Paths.videos('blazinCutscene'), CutsceneType.ENDING);
		// This will call onSongEnd() again so make sure the flag is set!
		hasPlayedCutscene = true;
  }
}