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

namespace FXV
{
    public class FXVBullet : MonoBehaviour
    {

        public float speed = 10.0f;
        public float lifetime = 2.0f;

        public float bulletHitSize = 1.0f;

        public GameObject hitParticles;

        private Vector3 moveDir = Vector3.zero;
        private Ray ray;

        private float currentTime = 0.0f;

        void Start()
        {
            Vector3 dirBullet = transform.forward ;
            dirBullet.Normalize();

            Shoot(dirBullet);
        }

        void Update()
        {
            Vector3 newPos = transform.position + moveDir * speed * Time.deltaTime;

            ray.origin = transform.position;
            RaycastHit rhi;

            Vector3 offset = newPos - transform.position;

            currentTime += Time.deltaTime;

            transform.position = newPos;

            bool needDestroy = false;

            if (currentTime > lifetime)
            {
                needDestroy = true;
            }

            if (Physics.Raycast(ray, out rhi, offset.magnitude))
            {
                needDestroy = true;

                FXVShield shield = rhi.collider.gameObject.GetComponentInParent<FXVShield>();

                if (shield && !shield.GetIsDuringActivationAnim())
                {
                    shield.OnHit(rhi.point, bulletHitSize);

                    if (hitParticles)
                    {
                        GameObject ps = Instantiate(hitParticles, transform.position, Quaternion.identity);
                        ps.transform.position = transform.position;
                        ps.GetComponent<ParticleSystem>().Emit(25);
                        Destroy(ps, 3.0f);

                        Debug.Log("22222");
                    }

                    Debug.Log("33333");
                }
            }

            if (needDestroy)
            {
                DestroyObject(gameObject);
            }
        }

        public void Shoot(Vector3 dir)
        {
            moveDir = dir;
            currentTime = 0.0f;

            ray = new Ray(transform.position, moveDir);
        }
    }

}