using System;
using System.Collections;
using UnityEngine;

//Thomas09
public class ThrowableController : MonoBehaviour
{
    internal event Action<Weapon> OnThrow;

    private Animator anim;

    private Weapon throwable;
    private Camera playerCamera;
    private bool canThrow = false;

    [SerializeField] private Transform throwableHolder;
    private GameObject throwablePrefab;
    private Vector3 grenadeScale = new Vector3(1.5f, 1.5f, 1.5f);

    private float refAimVelocity;
    private void Awake()
    {
        throwable = OnDemandLoader.Load<Weapon>("config/" + int.Parse(this.gameObject.name));
        throwablePrefab = OnDemandLoader.Load<GameObject>("projectiles/" + throwable.projectile);
        playerCamera = Player.Instance.transform.Find("FirstPersonCamera_Holder").GetComponentInChildren<Camera>();
        anim = GetComponent<Animator>();
    }

    private void OnEnable()
    {
        StartCoroutine(CanThrow());
        StartCoroutine(Player.Instance.EquipWeaponCoroutine(throwable, anim));
        Player.Instance.GetInputHandler().AimKeyPressed = false;
        Player.Instance.GetInputHandler().ToggleAiming = false;
    }

    private void Update()
    {
        playerCamera.fieldOfView = Mathf.SmoothDamp(playerCamera.fieldOfView, 60f, ref refAimVelocity, 0.1f);

        if (Player.Instance.updatePlayer)
        {
            if (canThrow && Player.Instance.GetInputHandler().FireKeyPressed)
            {
                anim.SetBool("ThrowGrenade", true);
            }

            RunState();
        }
        CrosshairManager.Instance.SetDynamicCrossHair(0, 0, 0, 0, Player.Instance, WeaponCrosshairType.No_Reticle);
    }

    private void RunState()
    {
        anim.SetBool("Run", Player.Instance.CanPlayRunningEvents());
    }

    private IEnumerator CanThrow()
    {
        canThrow = false;
        yield return new WaitForSeconds(throwable.equipDuration);
        canThrow = true;
    }
    public void Throw() //used in animation event
    {
        GameObject instantiatedObj = Instantiate(throwablePrefab, throwableHolder.position, Quaternion.identity, null);
        Projectile thrownObj = instantiatedObj.GetComponent<Projectile>();
        instantiatedObj.transform.localScale = grenadeScale;
        thrownObj.rotatable = true;
        thrownObj.ownedByMainPlayer = true;
        thrownObj.direction = transform.forward;
        OnThrow?.Invoke(throwable);
        PacketManager.sendThrowItem(transform.forward.x, transform.forward.y, transform.forward.z);
    }
}