using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.VFX;
using Random = UnityEngine.Random;

public class ProjectileBase : MonoBehaviour
{
    protected Rigidbody rb;
    private TrailRenderer bulletTracer;
    [SerializeField] private float thrust = 10f;
    protected const string DECAL_COUNT = "DecalCount";
    protected const string WATER_IMPACT = "Water_Impact";
    protected const string HIT_EFFECT = "HitEffect";
    protected const string ENEMY_TAG = "Enemy";
    protected const string WATER_SPLASH = "Bullet_Water_Splash";
    private void Awake()
    {
        rb = GetComponent<Rigidbody>();
        bulletTracer = GetComponent<TrailRenderer>();
    }

    private void Start()
    {
        if (bulletTracer != null) bulletTracer.Clear();
        rb.collisionDetectionMode = CollisionDetectionMode.Continuous;
        rb.useGravity = false;
    }

    private void OnDisable()
    {
        transform.rotation = Quaternion.identity;
        transform.position = Vector3.zero;

        if (bulletTracer != null) 
            bulletTracer.Clear();
        if (rb)
        {
            rb.velocity = Vector3.zero;
            rb.angularVelocity = Vector3.zero;
            rb.Sleep();
        }
    }

    public void ApplyForce(Vector3 direction)
    {
        rb.AddForce(direction * thrust, ForceMode.Impulse);
        transform.rotation = Quaternion.LookRotation(direction);
        OnForce();
    }
    protected virtual void OnForce(){}

    protected virtual void OnHitEntity(Collision col)
    {
        //spawn hit effect only if we didnt hit enemy
        if (col.gameObject.layer != LayerMask.NameToLayer(ENEMY_TAG))
        {
            Vector3 normal = col.GetContact(0).normal;
            Vector3 contactPosition = col.GetContact(0).point + normal * 0.25f;
            GameObject hitEffect = NetworkPooler.Instance.PooledPlayEffect(HIT_EFFECT, contactPosition, Quaternion.identity, 4.0f);
            hitEffect.transform.up = normal;

            HitEffectShadows(hitEffect);
        }
        PooledDestroy();
    }

    protected void HitEffectShadows(GameObject hitEffect)
    {
        VisualEffect hitVFX = hitEffect.GetComponent<VisualEffect>();
        hitVFX.SetInt(DECAL_COUNT, 1);
        if (hitEffect.transform.position.y <= Client.WATER_HEIGHT)
        {
            hitVFX.SetInt(DECAL_COUNT, 0);
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("Water"))
        {
            float randPitch = Random.Range(0.85f, 1.5f);
            Vector3 closestPointToTrigger = other.ClosestPoint(transform.position);
            AudioManager.Instance.playSound3D(WATER_SPLASH, closestPointToTrigger, randPitch);
            NetworkPooler.Instance.PooledPlayEffect(WATER_IMPACT, closestPointToTrigger, Quaternion.identity, 2.5f);
        }
    }

    protected virtual void PooledDestroy()
    {
        string baseName = NetworkPooler.GetBaseName(transform.name);
        NetworkPooler.Instance.PooledDestroy(baseName, gameObject);
    }

    private void OnCollisionEnter(Collision col) => OnHitEntity(col);

}