using System.Numerics;
using Sandbox;

public sealed class ExplosionKiller : Component
{
	/// <summary>
	/// When a player leaves this area, kill them
	/// </summary>
	[Property]
	public float KillRange { get; set; } = 1000f;

	[Property]
	public GameObject Explosion;

	[Property]
	public SoundEvent ExplosionSound;

	TimeSince lastCheck;

	protected override void OnEnabled()
	{
		base.OnEnabled();

		lastCheck = 0;
	}

	protected override void OnFixedUpdate()
	{
		base.OnFixedUpdate();

		if (lastCheck > 1)
		{
			var players = Scene.GetAll<PlayerController>().ToArray();
			Game.Random.Shuffle( players );
			foreach (var player in players)
			{
				if (player.WorldPosition.Distance(Vector3.Zero) > KillRange && player.GetComponent<Health>().IsAlive)
				{
					var dtag = new TagSet();
					dtag.Add( "explosion" );
					player.GetComponent<IDamageable>().OnDamage( new DamageInfo()
					{
						Damage = 1000,
						Tags = dtag,
					} );

					Explosion.Clone(player.WorldPosition);

					Sound.Play( ExplosionSound, player.WorldPosition );

					lastCheck = 0.2f;
					return;
				}
			}

			lastCheck = 0;
		}
	}

	protected override void DrawGizmos()
	{
		base.DrawGizmos();

		Gizmo.Draw.Color = Color.Red;
		Gizmo.Draw.LineCircle( Vector3.Zero, Vector3.Up, Vector3.Forward, KillRange, 0, 360, 64 );
	}
}