using Sandbox;
using static Manager;

public class ExploderSpecial : Exploder
{
	private const float SHOCKWAVE_TOTAL_TIME = 3f;

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

		Health = 150f;

		MaxHealth = Health;

		Radius = 0.3f;
		Scale = 1.3f;
		Sprite.LocalScale = new Vector3( Scale * Game.Random.Float( 1f - HeightVariance, 1f + HeightVariance ), Scale * Game.Random.Float( 1f - WidthVariance, 1f + WidthVariance ), 1f ) * Globals.SPRITE_SCALE;

		ShadowScale = 1.35f;
		ShadowSpriteDirty = true;

		MoveSpeed = 1.65f;
		MoveSpeedAttacking = 4.5f;
		AggroRange = 2f;

		PushStrength = 35f;

		CoinChance = 1f;
		CoinValueMin = 3;
		CoinValueMax = 7;

		ExplosionDamage = 50f;
	}

	//protected override void OnUpdate()
	//{
	//	base.OnUpdate();

	//	Gizmo.Draw.Color = Color.White;
	//	Gizmo.Draw.Text( $"Utils.FastSin( SpawnTime * 2f ) < 0.5f: {Utils.FastSin( SpawnTime * 2f ) < 0.5f}", new global::Transform( (Vector3)Position2D + new Vector3( 0f, -0.7f, 0f ) ) );
	//}

	protected override Vector2 GetTargetPos()
	{
		if( Target.IsValid() )
		{
			//if ( !IsAttacking )
			//	return Target.Position2D;

			if ( Utils.FastSin( TimeSinceSpawn * 2.4f ) < 0.5f )
				return Target.Position2D;
			else
				return (Position2D + Utils.GetPerpendicularVector(Position2D - Target.Position2D) * (Utils.FastSin( TimeSinceSpawn * 3.1f ) < 0f ? -1f : 1f));
		}

		return (IsCharmed ? Manager.Instance.Player.Position2D : Position2D);
	}

	public override void Explode()
	{
		base.Explode();

		SpawnShockwaveEffect( SHOCKWAVE_TOTAL_TIME, 100f, 0f, damage: 14f );
		SpawnShockwaveEffect( SHOCKWAVE_TOTAL_TIME * 0.45f, 99f, -0.1f );
		SpawnShockwaveEffect( SHOCKWAVE_TOTAL_TIME * 0.35f, 98f, -0.2f );
	}

	void SpawnShockwaveEffect( float lifetime, float depth, float scaleOffset, float damage = 0f )
	{
		var ring = Manager.Instance.SpawnRingEffect( Position2D, new Color( 1f, 0f, 0.5f ), new Color( 1f, 1f, 0f ), damage, opacity: 1f, scaleMin: 0f, scaleMax: 25f, depth );
		ring.Lifetime = lifetime;
		ring.ScaleLifetime = SHOCKWAVE_TOTAL_TIME;
		ring.ScaleOffset = scaleOffset;
	}
}