using UnityEngine;

public class TeleportEffect : BallEffectBase
{
    private float _timer;
    private TeleportEffectDefinition Config => definition as TeleportEffectDefinition;

    public override void OnBallLaunched(BallScript ball)
    {
        _timer = 0f;
    }

    public override void OnBallReset(BallScript ball)
    {
        _timer = 0f;
    }

    public override void ModifyVelocity(BallScript ball, ref Vector2 velocity, float deltaTime)
    {
        TeleportEffectDefinition config = Config;
        if (config == null)
            return;

        _timer += deltaTime;
        if (_timer < config.IntervalSeconds)
            return;

        _timer = 0f;

        Vector2 direction = velocity.sqrMagnitude > 0.0001f ? velocity.normalized : Vector2.up;
        Vector2 targetPos = (Vector2)ball.transform.position + direction * config.TeleportDistance;

        // Move instantly without collision resolution along the traveled path.
        ball.transform.position = targetPos;

        // If teleport lands inside blocks, destroy those blocks.
        Collider2D[] hits = Physics2D.OverlapCircleAll(targetPos, config.OverlapCheckRadius);
        for (int i = 0; i < hits.Length; i++)
        {
            if (hits[i] == null)
                continue;

            blockScript block = hits[i].GetComponent<blockScript>();
            if (block != null)
                block.ApplyDamage(9999f);
        }
    }
}