using Thousandto.Code.Logic;
using Thousandto.Code.Logic.WarningField;
using Thousandto.Core.Asset;
using Thousandto.Core.Base;
using Thousandto.SkillEditor;
using Thousandto.SkillEditor.DIY;
using Thousandto.SkillEditor.Support;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
using UnityEditor;
using UnityEngine;

namespace Thousandto.SkillEditor.DIY
{
    //飞行特效
    public class EditorLockFlyVfx
    {
        public EditorEntity Target { get; private set; }
        public Transform TargetTrans { get; private set; }
        public Transform RootTrans { get; private set; }
        public GameObject RootGo { get; private set; }
        public PlayLockTrajectoryEventInfo EventInfo { get; private set; }
        public bool IsFinish { get; private set; }
        public float SprRadius { get; private set; }

        private float _curMoveSpeed = 0f;

        public EditorLockFlyVfx(GameObject vfxGo, EditorEntity target, PlayLockTrajectoryEventInfo eventInfo)
        {
            IsFinish = false;
            Target = target;
            RootGo = vfxGo;
            RootTrans = RootGo.transform;
            EventInfo = eventInfo;
            _curMoveSpeed = EventInfo.FlySpeed;

            TargetTrans = SlotUtils.GetSlotTransform(Target.RootTrans, Slot.Hit);
            var dir = TargetTrans.position - vfxGo.transform.position;
            dir = dir.normalized;
            RootTrans.transform.forward = dir;
            SprRadius = eventInfo.VfxRadius * eventInfo.VfxRadius;
        }

        public void Update(float dt)
        {
            if (IsFinish)
                return;
            _curMoveSpeed += EventInfo.FlyAddSpeed * dt;
            var dir = TargetTrans.position - RootTrans.position;
            dir = dir.normalized;
            RootTrans.forward = dir;
            RootTrans.position += dir * _curMoveSpeed * dt;
            if(Vector3.SqrMagnitude(RootTrans.position - TargetTrans.position) <= SprRadius)
            {
                //播放受击效果
                Target.DoHitEffect(this, EventInfo.HitInfo);
                //碰撞到了，结束移动
                Stop();
            }
        }

        public void Stop()
        {
            GameObject.DestroyImmediate(RootGo);
            RootGo = null;
            IsFinish = true;
        }
    }
}