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

using Photon.Pun;

using Sirenix.OdinInspector;

using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Rendering;

public class CanFireBullets : ArenaObject
{
    [FoldoutGroup("Additional Properties"), PropertyOrder(4)]
    [Tooltip("Prefab used as the bullet."), AssetsOnly, AssetSelector(Paths = "Assets/Resources")]
    public GameObject _bulletPrefab;
    [FoldoutGroup("Additional Properties"), PropertyOrder(4)]
    [Required("Spawning transform required to spawn bullet!", InfoMessageType.Info), ChildGameObjectsOnly]
    public Transform spawningTransform;
    [FoldoutGroup("Additional Properties"), PropertyOrder(4)]
    public float flareIntensity;

    [BoxGroup("Clip")]
    public GunClip clip;
    internal IEnumerator _startReloading;

    [BoxGroup("Rotation/Aiming")]
    public GunRotation gunRotation;

    public BulletProperties bulletProperties;

    [HideInInspector]
    public ShootFlare _shootFlare;

    [FoldoutGroup("UnityEvents"), PropertyOrder(-1)]
    public UnityEvent onBulletFire;

    private bool _syncLock;

    #region Start/Update
    void Start()
    {
        bulletProperties.launchParameters.spawnTransform = spawningTransform;
        _shootFlare.barrelFlare = GetComponentInChildren<LensFlareComponentSRP>();
    }

    void Update()
    {
        _shootFlare.UpdateFlare();
    }

    #endregion
    [Button("Shoot Gun"), FoldoutGroup("Function Calls"), DisableInEditorMode, PropertyOrder(0), Tooltip("Title kind of gives it away, don'it?")]
    public void FireOnce()
    {
        if (_syncLock || clip._ammoCurrent <= 0) return;
        _syncLock = true;
        photonView.RPC(nameof(Network_SingleShot), RpcTarget.All);
    }

    // todo StartShooting / StopShooting

    [PunRPC]
    private void Network_SingleShot()
    {
        _syncLock = false;

        var launchParameters = bulletProperties.launchParameters;
        var damageUnit = bulletProperties.damageUnit;
        SpawnBullet(launchParameters, damageUnit);
        _shootFlare.ShowFlare(flareIntensity);

        clip.ReduceClip(1);
        _startReloading = clip.IsReloading();
        StartCoroutine(_startReloading);

        onBulletFire.Invoke();
    }

    private void SpawnBullet(BulletProperties.LaunchParameters launch, BulletProperties.DamageUnit damage)
    {
        var newBullet = Instantiate(_bulletPrefab, spawningTransform.position, spawningTransform.transform.rotation);
        newBullet.GetComponent<Rigidbody>().velocity = launch.speed * launch.spawnTransform.transform.forward;
        newBullet.GetComponent<Bullet>().damageUnit = damage;
    }
}