using System;
using Framework.Timer;
using Framework.Utils.Extend;
using Game.EventDefine;
using UnityEngine;

namespace Game.Component
{
    public class PlayerEntity : MonoBehaviour
    {
        public float       speed = 10;
        public Rigidbody2D rigidbody2D;

        private float       speedBuffOffset;
        private TimeHandler speedBuffTimer;

        public float CurSpeed => this.speed *
                                 (1 + (this.speedBuffTimer?.IsPlaying ?? false ? this.speedBuffOffset * (1 - this.speedBuffTimer.CurProgress) : 0));

        public void AddSpeedBuff (float duration = 3 , float offset = 0.5f)
        {
            this.speedBuffOffset = offset;
            this.speedBuffTimer?.Kill ();
            this.speedBuffTimer  = GameUpdateMgr.Instance.CreateTimer (duration , null);
        }

        public void OnMove (Vector2 vector)
        {
            
            
            var t = this.transform;
            // 获取前方方向的世界坐标
            Vector3 forward = (Vector3)vector;
            //根据遥感向量获取一个0，1的移动速度系数
            float      speedOffset    = forward.magnitude;
            Quaternion targetRotation = Quaternion.FromToRotation (Vector3.up , forward.normalized);
            transform.rotation = Quaternion.Lerp (transform.rotation , targetRotation , 0.25f);
            // Debug.DrawLine (transform.position , transform.position + forward , Color.magenta);
            this.transform.Translate ( Vector3.up * speedOffset * CurSpeed * Time.deltaTime);
            // this.rigidbody2D.MovePosition (t.position + ((Vector3)vector * speed * Time.deltaTime));
            // Vector3 v = target.position - transform.position;
            // v.z = 0; // 确保向量在2D平面上
            // float      angle    = Vector3.SignedAngle(Vector3.up, v, Vector3.forward);
            // Quaternion rotation = Quaternion.Euler(0, 0, angle);
            t.position = t.position.SetZ (0);
        }

        public void OnMoveEnd ()
        {
            this.transform.rotation = Quaternion.Euler (0 , 0 , this.transform.rotation.eulerAngles.z);
        }

        public void RefreshInit ()
        {
            this.speedBuffTimer?.Kill ();
            this.speedBuffTimer = null;
            this.speedBuffOffset = 0;
            //主角出生初始化
        }

        private void OnTriggerEnter2D (Collider2D other)
        {
            if (other.CompareTag ("Enemy"))
            {
                //死亡特效
                GameEventDefine.ChangeGameFsm.SendMessage (GameState.FieldGame);
            }
        }
    }
}