using System.Collections;
using UnityEngine;
namespace WildAttack
{
    /// <summary>
    /// 弓
    /// </summary>
    public class Bow : MonoBehaviour
    {
        #region Members
        [SerializeField] private Transform shootPoint;
        private GameObject arrowPfb;
        private Animator anim;

        private float shootSpawn = 0;
        GameObject arrowObj = null;

        [Header("用户信息")]
        [SerializeField]
        PlayerTypeEnum playerTypeEnum = PlayerTypeEnum.First;//默认是用户1的弓
        #endregion

        #region Lifecycle
        void Start()
        {
            //shootPoint = transform.Find("ShootPoint");
            arrowPfb = Resources.Load<GameObject>("Player/Arrow");
            anim = GetComponentInChildren<Animator>();
            //StartCoroutine(CreateArrow());
            CreateArrow();
        }

        void Update()
        {
            if (shootSpawn > 0)
            {
                shootSpawn -= Time.deltaTime;
            }

            // 更新准备中的箭
            if (arrowObj == null) return;
            arrowObj.transform.position = shootPoint.position;
            arrowObj.transform.rotation = shootPoint.rotation;
        }
        #endregion

        #region Functions
        /// <summary>
        /// 射击
        /// </summary>
        /// <param name="speed"></param>
        /// <param name="crossHair"></param>
        public void Shoot(float speed, Transform crossHair)
        {
            // 判空
            if (arrowObj == null) return;
            // 判断动画状态
            AnimatorStateInfo animInfo = anim.GetCurrentAnimatorStateInfo(0);
            if (animInfo.IsName("Start") && animInfo.normalizedTime > 0.99f)
            {
                // 判断射击间隔
                if (shootSpawn <= GameModule.GetInstance().GetData("downTime") && shootSpawn > 0)
                {
                    return;
                }
                else
                {
                    shootSpawn = GameModule.GetInstance().GetData("downTime");
                    GameMananger.GetInstance().SetShootSpawn(GameModule.GetInstance().GetData("downTime"),playerTypeEnum);

                    Arrow arrow = arrowObj.AddComponent<Arrow>();
                    //GameObject.Find("CrossHairTrans").transform
                    arrow.Init(crossHair.eulerAngles, speed, playerTypeEnum);
                    arrowObj = null;

                    StartCoroutine(CreateWaitForSeconds());
                }
            }
        }

        /// <summary>
        /// 生成新的箭
        /// </summary>
        IEnumerator CreateWaitForSeconds()
        {
            anim.SetTrigger("shoot");
            // 射箭间隔
            yield return new WaitForSeconds(GameModule.GetInstance().GetData("shootInterval"));
            CreateArrow();
        }

        private void CreateArrow()
        {
            arrowObj = GameObject.Instantiate<GameObject>(arrowPfb);
            arrowObj.transform.position = shootPoint.position;
            arrowObj.transform.rotation = shootPoint.rotation;
        }
        #endregion
    }
}