using System.Threading.Tasks;
using Sandbox.UI;
using Sasalka;

namespace Sandbox.Weapons;

public sealed class Weapon : AmmoUseableBase
{
	[Property] public SkinnedModelRenderer GunRenderer { get; private set; }
	[Property] public GameObject MuzzleLight { get; private set; }
	[Property] public GameObject particlePrefab { get; set; }
	[Property] public GameObject bloodParticle { get; set; }
	[Property] public WeaponItemDefinition WeaponDefinition { get; set; }

	private SoundPointComponent _sound;
	private Rigidbody _rigidbody;

	protected override void OnStart()
	{
		base.OnStart();
		_sound = GameObject.GetComponent<SoundPointComponent>(true);
	}

	public override void OnEquipped()
	{
		_rigidbody = GameObject.Components.Get<Rigidbody>();
		_rigidbody.Enabled = false;
		GameObject.Components.Get<PickupItem>().Enabled = false;
	}

	protected override WeaponItemDefinition GetWeaponDefinition()
	{
		return WeaponDefinition;
	}

	public void Attack()
	{
		AttackEffects();

		Vector3 startPos = Scene.Camera.WorldPosition;
		Vector3 dir = Scene.Camera.WorldRotation.Forward;
		float maxDistance = WeaponDefinition?.Range ?? 1000f;

		var tr = Scene.Trace
			.Ray(startPos, startPos + dir * maxDistance)
			.IgnoreGameObjectHierarchy(Dedugan.Local.GameObject)
			.WithoutTags("weapon")
			.UseHitboxes()
			.Run();

		if (tr.Hit)
		{
			if (tr.Hitbox != null)
			{
				var boneIndex = tr.Hitbox.Bone.Index;
				var components = tr.GameObject.Components;
				
				// Кэшируем компоненты для избежания повторных поисков
				var dedugan = components.Get<Dedugan>();
				var enemy = components.Get<Enemy>();
				var hasTarget = dedugan.IsValid() || enemy.IsValid();

				if (hasTarget)
				{
					CreateHitEffects(tr.EndPosition, tr.Normal, true);
				}

				if (dedugan.IsValid())
				{
					dedugan.ReportHit(dir, boneIndex);
				}

				if (enemy.IsValid())
				{
					enemy.ReportHit(dir, boneIndex);
				}
			}
			else
			{
				CreateHitEffects(tr.EndPosition, tr.Normal);
			}
		}
	}

	[Rpc.Broadcast]
	private void CreateHitEffects(Vector3 position, Vector3 normal, bool blood = false)
	{
		var rot = Rotation.LookAt(normal);
		DestroyAsync(
			blood
				? bloodParticle.Clone(position, rot)
				: particlePrefab.Clone(position, rot), 0.5f);
	}

	async void DestroyAsync(GameObject go, float delay)
	{
		await GameTask.DelaySeconds(delay);
		go.Destroy();
	}

	[Rpc.Broadcast]
	public void AttackEffects()
	{
		_sound?.StartSound();
		MuzzleLight.Enabled = true;
		GunRenderer.Set("Fire", true);

		GameTask.DelaySeconds(0.05f).ContinueWith((_) =>
		{
			MuzzleLight.Enabled = false;
		});
	}

	protected override void OnUse()
	{
		Attack();
	}
}