using System;
using System.Collections.Generic;
using Core.Extensions;
using UnityEngine;

public class Laser : PlayerAbility
{
    [Header("Laser Properties")] 
    public float length;
    public float width;
    public float duration;
    private float currentDuration;
    [Header("Beam")]
    [SerializeField] private BeamCollider beamObject;
    private BeamCollider beamObjectInstance;
    public float turnSpeed;
    public float offset;
    [Header("Weapon Properties")]
    [HideInInspector] public List<Entity> enemyList = new();
    public float damageDebounceTime;
    private float currentDebounce;
    public float damage;
    private void Start()
    {
        CreateBeam();
    }

    protected override void AbilityEffects()
    {
        canCooldown = false;
        currentDuration = duration;
        currentDebounce = damageDebounceTime;
        beamObjectInstance.gameObject.SetActive(true);
        transform.Lookat2D(thisPlayer.mouseWorldPos);
    }

    protected override void Update()
    {
        if (currentDuration > 0)
        {
            Vector3 direction = (thisPlayer.mouseWorldPos - (Vector2)transform.position).normalized;
            float angle = Mathf.Atan2(direction.y, direction.x) * Mathf.Rad2Deg;
            transform.rotation = Quaternion.RotateTowards(beamObjectInstance.transform.rotation, Quaternion.Euler(0,0,angle), turnSpeed * Time.deltaTime);
            currentDuration -= Time.deltaTime;
            if (currentDebounce > 0)
            {
                currentDebounce -= Time.deltaTime;
                if (currentDebounce <= 0)
                {
                    foreach (Entity enemy in enemyList.ToArray())
                    {
                        if (!enemy)
                        {
                            enemyList.Remove(enemy);
                            continue;
                        }
                        enemy.TakeDamage(damage);
                    }
                    currentDebounce = damageDebounceTime;
                }
            }
            if (currentDuration <= 0)
            {
                canCooldown = true;
                beamObjectInstance.gameObject.SetActive(false);
            }
        }
    }

    private void CreateBeam()
    {
        beamObjectInstance = Instantiate(beamObject, transform.position, Quaternion.identity);
        beamObjectInstance.transform.SetParent(transform);
        beamObjectInstance.transform.localScale = new Vector3(length, width, 1);
        beamObjectInstance.transform.Translate(Vector3.right * (beamObjectInstance.transform.localScale.x * 0.5f) + new Vector3(offset, 0, 0));
        beamObjectInstance.thisLaser = this;
        beamObjectInstance.gameObject.SetActive(false);
    }
}