using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Saltosion.OneWeapon {
    public class Explodable : MonoBehaviour {
        public GameObject[] BodypartPrefabs;
        public bool DebugExplode = false;

        private void Start() {
            foreach (GameObject Obj in BodypartPrefabs) {
                Rigidbody2D Body = Obj.GetComponent<Rigidbody2D>();
                if (Body == null) {
                    Debug.LogError($"'{Obj.name}' is an explodable bodypart, and does not have a Rigidbody2D!\n\n" +
                        "Therefore it cannot be exploded. Please provide one.\n" +
                        "Following is the GameObject that needs to get a Rigidbody2D.");
                }
            }
        }

        private void Update() {
            if (DebugExplode) {
                DebugExplode = false;
                Explode();
            }
        }

        public void Explode() {
            foreach (GameObject Obj in BodypartPrefabs) {
                GameObject NewObj = Instantiate(Obj, transform.position, new Quaternion(), null);
                Rigidbody2D Bodypart = NewObj.GetComponent<Rigidbody2D>();
                if (Bodypart == null) {
                    continue;
                }
                float Force = 0.5f + Random.value * 0.5f;
                float DirectionRadians = Random.value * Mathf.PI * 2.0f;
                Bodypart.AddForce(new Vector2(Mathf.Cos(DirectionRadians), Mathf.Sin(DirectionRadians)) * Force, ForceMode2D.Impulse);
                Bodypart.AddTorque((Random.value - 0.5f) * Force, ForceMode2D.Impulse);

                BloodLauncher.Splatter(transform.position, Vector2.zero, 70, 50f, 360f);
            }
        }
    }
}