using System;
using System.Collections.Generic;
using System.Linq;
using Assets.Scenes.Ride.Scripts;
using DG.Tweening;
using UnityEngine;

namespace Assets.Scripts.Scenes.VideoRide
{
    public class OnlineVideoPlayer : AbstractVideoPlayer
    {
        public Transform target;
        public double diff;
        public int frames;

        private void Start()
        {
            base.Start();
            ydic.Add(0, -1);
            ydic.Add(1555, 0);
        }
        protected override void Update()
        {
            base.Update();
            //如果当前用户是被观察则控制视频播放
            if (manager.CurrentPlayer.UserId == UserId)
            {
                manager.Play(manager.CurrentPlayer.totalDistance);
            }
        }

        //计算
        protected override void ComputePlayer()
        {
            var current = manager.CurrentPlayer;
            if (current != null && current.UserId != UserId)
            {
                //var left = totalDistance % mapData.TotalDistance;
                //var right = current.totalDistance % mapData.TotalDistance;
                //diff = (left - right) * 1000;
                if (Math.Abs(diff*1000) > 150)
                {
                    Destroy();
                }
            }
        }

        private const int zrate = 20;// z轴与帧数的比例  1 ：20  与真实距离 1:2
        private const int yrate = 3;// y轴与帧数的比例  1 ：3
        private const int xrate = 20;// x轴与帧数的比例  1 ：20

        private Dictionary<int, float> ydic = new Dictionary<int, float>(); 
        
        //人物向前超车 右边超车
        protected override void Turn() 
        {
            base.Turn();
            //计算前后位移
            var current = manager.CurrentPlayer;
            var interval = this.currentFrame - manager.GetCurrentFrame();
            var z = current.transform.position.z + interval / zrate;//diff * 500;//
            transform.DOMoveZ((float)z,1f);
            //计算上下位移
            var targetIndex = manager.CurrentPlayer.currentIndex;
            var pointList = mapData.List;
            var currentHeight = pointList[currentIndex].Elevation;//当前海拔，
            var targetHeight = pointList[targetIndex].Elevation;//目标海拔
            var heightOffset = (currentHeight - targetHeight);
            var maxEl = pointList.Max(c => c.Elevation);
            var minEl = pointList.Min(c => c.Elevation);
            var y = diff != 0 ? heightOffset / (diff * 1000) * z-1 : 0;
            var target = manager.CurrentPlayer.transform;
            if (diff > 0)
            {
                var h = heightOffset / (diff*1000);
                var height = h * (z - target.position.z) - 1;
                //if (heightOffset < 0)
                //{
                //    heightOffset *= 2;
                //}
                //else
                //{
                //    heightOffset /= 100;
                //}  
                if (height != 0)
                {
                    transform.DOMoveY((float)height, 1f);
                }
                else
                {
                    transform.DOMoveY(-1, 1f);
                }
            }
            ////计算左右倾斜角度
            var targetLatlon = manager.CurrentPlayer.currentlatLon; //目标gps
            var bearing = TurfHelper.Bearing(targetLatlon.ToArray(), currentlatLon.ToArray());
            //currentRotation.y += (float)bearing;
            //transform.DORotate(currentRotation, 1, RotateMode.Fast);
            //计算左右位移
            //x =(z - z1)/tanp + x1;
          
            bearing = (next.RotationY + manager.CurrentPlayer.next.RotationY) * Math.PI / 180;//转化为弧度值
            var x =(z - target.position.z) * Math.Tan(bearing) + target.position.x;
            Debug.Log($"当前海拔差{heightOffset} 当前角度{bearing} 距离{(z - target.position.z)}*Tan（bearing）{Math.Tanh(bearing)}+目标x{target.position.x}=当前x{x}");
            transform.DOMoveX((float)x, 1f);

            //x轴位移
            //var x = bearing + current.bearing;
            //transform.DOMove(new Vector3(x, transform.position.y, (float)z), 1); // ((float)z, 1f);
            //人物转向
            //transform.Rotate(new Vector3(0,1,0), bearing);
            //z轴位移

            //try
            //{
            //    var offsetX = 1f;
            //    var current = manager.CurrentPlayer;
            //    var z = current.transform.position.z + diff * 0.5f;
            //    //前方有人
            //    if (isHit)
            //    {
            //        var onlinePlayer = hit.collider.transform.GetComponent<AbstractVideoPlayer>();
            //        if (distance - onlinePlayer.distance > 20)
            //        {
            //            var prePos = onlinePlayer.transform.position;
            //            var disx = prePos.x + offsetX;
            //            var disz = prePos.z + diff;
            //            var disy = prePos.y;
            //            var end = new Vector3(disx, (float)disz, disy);
            //            animator.Play("turnRight");
            //            transform.DOMove(end, 1f);
            //        }
            //    }
            //    else
            //    {
            //        transform.DOMoveZ((float)z, 1f);
            //    }
            //}
            //catch (Exception e) {
            //    print(e.Message);
            //}
        }

        private int currentFrame { get; set; }
        protected override void ComputeAnimator()
        {
            base.ComputeAnimator();
            if (manager.CurrentPlayer == null || manager.CurrentPlayer.UserId != UserId)
            {
                var result = manager.mockDirection.Where(c => c.Start < currentFrame && c.End > currentFrame).FirstOrDefault();
                bearing = result?.RotationY ?? 0;
                //animator.SetFloat("bearing", bearing);
            }
        }
        protected override int GetCurrentFrame() 
        {
            return this.currentFrame;//(int)(diff * 10) + manager.GetCurrentFrame();
        }
        protected override void ComputeVideo()
        {
            base.ComputeVideo();
        }
        protected override void CreateHeadImage()
        {
            base.CreateHeadImage();
            if (diff < 0)
                ((RectTransform)head.transform).anchoredPosition = new Vector2(((RectTransform)head.transform).anchoredPosition.x, -800f);
        }

        //设置当前玩家属性
        public void SetPlayer(string name, double distance, double totalDistance, double cadance,double heartRate, double wkg, int userId,double power,double currentPlayerDistance,int frame)
        {
            this.wkg = wkg;
            this.UserName = name;
            this.cadance = cadance;
            this.totalDistance = totalDistance;
            this.heartRate = (int?)heartRate;
            this.UserId = userId;
            this.power = power;
            this.speed = distance * 3600;
            this.diff = totalDistance - currentPlayerDistance;
            this.currentFrame = frame;
        }
    }
}