using Sandbox;
using System;


public sealed class GotoSpawnPoint : Component
{
	[Property]
	public GameObject? map;
	[Property]
	public GameObject? player;
	[Property]
	public Vector3 offset = new();

	protected override void OnStart()
	{
		player ??= Scene.GetComponentInChildren<PlayerController>().GameObject.Parent;
		map ??= Scene.GetComponentInChildren<MapInstance>().GameObject;

		var spawns = FindPlayerSpawns( map );
		Log.Info( spawns.Count);
		var spawn = new Random().FromList( spawns );
		if ( spawn == null ) { Log.Warning( "Failed to find spawn points" ); return; }

		player.WorldPosition = spawn.WorldPosition + offset;

		var yang = spawn.WorldRotation.Angles();
		var	ang = spawn.WorldRotation.Angles();

		ang.yaw = yang.yaw;
		player.WorldRotation = ang;
	}


	List<GameObject> FindPlayerSpawns( GameObject? gameobj )
	{
		List<GameObject> spawns = new();
		HashSet<GameObject> blacklist = new();

		void Helper( GameObject obj )
		{
			foreach ( var child in obj.Children )
			{
				if ( !blacklist.Add( child ) )
					continue;

				if ( child.GetComponent<SpawnPoint>() != null )
					spawns.Add( child );

				Helper( child );
			}
		}

		Helper( gameobj ?? Scene );

		return spawns;
	}

}