using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using BITKit;
using BITKit.Entities;
using BITKit.Sensors;
using UnityEngine;

public class Prop_Grenade : MonoBehaviour
{
	[SerializeReference, SubclassSelector] private ISensor rangeSensor;
	[SerializeReference, SubclassSelector] private IReference[] vfxTags;
	[SerializeField] private LayerMask physicsLayer;
	[SerializeField] private float explosionRadius;
	[SerializeField] private float fuse;
	[SerializeField] private AnimationCurve damageCurve;

	private async void Start()
	{
		try
		{
			await Task.Delay(TimeSpan.FromSeconds(fuse), destroyCancellationToken);
		}
		catch (OperationCanceledException)
		{
			return;
		}
		DI.Get<VFXService>().Spawn(new Location(transform), vfxTags.Select(x => x.Value).ToArray());
		foreach (var x in rangeSensor.Get())
		{
			if (x.TryGetComponent<Entity>(out var entity) is false)continue;
			entity.Invoke<DamageMessage>(new DamageMessage()
			{
				Target = entity,
				Damage = (int)damageCurve.Evaluate(Vector3.Distance(transform.position, entity.transform.position))
			});
		}
		PhysicsHelper.Explosion(transform.position,explosionRadius,physicsLayer,1024*8);
		Destroy(gameObject);
	}
}