using System;
using Grid;
using UnityEngine;
using Random = UnityEngine.Random;

public class DestructableCrate : MonoBehaviour {
    [SerializeField] private Transform crateDestroyedPrefab;
    public GridPosition GridPosition { get; private set; }

    private void Start() => GridPosition = LevelGrid.Instance.GetGridPosition(transform.position);

    public static event EventHandler OnAnyDestroyed;

    public void Damage() {
        Transform crateDestroyedTransform = Instantiate(crateDestroyedPrefab, transform.position, transform.rotation);
        ApplyExplosionToChildren(crateDestroyedTransform, Random.Range(150f, 250f), transform.position, Random.Range(10f, 20f));
        Destroy(gameObject);
        OnAnyDestroyed?.Invoke(this, EventArgs.Empty);
    }

    private static void ApplyExplosionToChildren(Transform root, float explosionForce, Vector3 explosionPosition, float explosionRadius) {
        foreach (Transform child in root) {
            if (!child.TryGetComponent(out Rigidbody childRigidbody)) continue;
            childRigidbody.AddExplosionForce(explosionForce, explosionPosition, explosionRadius);
            ApplyExplosionToChildren(child, explosionForce, explosionPosition, explosionRadius);
        }
    }
}