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; }

	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;
	}

	public void Attack()
	{
		AttackEffects();

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

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

		if ( tr.Hit && tr.Hitbox != null )
		{
			var components = tr.GameObject.Components;
			var boneIndex = tr.Hitbox.Bone.Index;

			// Log.Info($"{tr.GameObject.Name} attacked");

			var dedugan = components.Get<Dedugan>();
			var enemy = components.Get<Enemy>();

			if ( dedugan.IsValid() || enemy.IsValid() )
			{
				CreateHitEffects( tr.EndPosition, tr.Normal, true );
			}

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

			if ( enemy.IsValid() )
			{
				enemy.ReportHit( dir, boneIndex );
				Log.Info( boneIndex );
			}
		}
		else if ( tr.Hitbox == null )
		{
			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();
	}
}