using Assets.Scripts.Apis.Models;
using DG.Tweening;
using Mapbox.Utils;
using System;
using UnityEngine;

namespace Assets.Scripts.Scenes.VideoRide
{
    public abstract class AbstractVideoPlayer : MonoBehaviour
    {
        protected Animator animator;
        protected double weight;//体重
        protected double bicycleWeight;//车重
        protected double preSpeed;
        protected double speed;
        protected double power;
        protected double elevation;
        protected double cadance;
        protected int? heartRate { get; set; }
        public int ticks;
        protected double totalDistance;
        protected double currentSlope;
        protected double nextSlope;
        protected double nextSlopeDistance;
        protected double distance;
        protected double currentSlopeDistance;
        protected double lastEndDistance;
        protected double totalClimb;
        protected Vector2d currentlatLon;
        protected int currentIndex;
        protected float bearing = 0f;
        protected MapDataModel mapData;
        float timer = 1f;
        protected bool start = true;
        protected VideoGameManager manager { get; set; }

        protected virtual void Start()
        {
            animator = GetComponent<Animator>();
            manager = FindObjectOfType<VideoGameManager>();
            mapData = manager.GetMapData();
            ComputeNextSlope();//初始化坡度等
            animator.Play("idle");
        }

        void Update()
        {
            timer -= Time.deltaTime;
            ComputeAnimator();//控制动画
            while (timer <= 0)
            {
                try
                {
                    if (manager.IsStart())
                    {
                        ticks++;
                        ComputeNextSlope();//计算下一个坡度
                        ComputePlayer();//计算人物属性
                        ComputeRecord();
                        ComputeVideo();
                    }
                    timer += 1f;
                }
                catch (Exception e)
                {
                    power = 0;
                    speed = 0;
                    Debug.Log(e.Message);
                }
            }
        }
        //人物碰撞
        void OnCollisionEnter(Collision collision)
        {
            if (collision.transform.name != "mc_all_animations")
            {
                var curX = collision.transform.position.x;
                if (curX == 0)
                {
                    var preX = manager.GetSlotIndex();
                    collision.transform.DOLocalMoveX(preX.Value, 1);
                }
            }
        }
        //动画状态机
        void ComputeAnimator()
        {
            if (animator != null)
            {
                animator.SetFloat("preSpeed", (float)preSpeed);
                animator.SetFloat("speed", (float)speed);
                animator.SetFloat("grade", (float)currentSlope);
                var currentFrame = manager.GetCurrentFrame() ?? 0;
                if (manager.mockDirection.ContainsKey(currentFrame))
                {
                    bearing = manager.mockDirection[currentFrame];
                }
                animator.SetFloat("bearing", bearing);
            }
        }
        //计算人物当前属性
        protected abstract void ComputePlayer();

        protected virtual void ComputeVideo(){ }

        protected virtual void ComputeRecord() { }

        //计算当前区段属性下一个区段属性
        void ComputeNextSlope()
        {
            double sumDistance = 0;
            var mapData = manager.GetMapData();
            if (mapData == null)
                return;
            var pointList = mapData.List;
            int preIndex = 0;
            for (int i = 0; i < pointList.Count; i++)
            {
                sumDistance += pointList[i].Distance;
                decimal left = (decimal)totalDistance * 1000;
                decimal right = (decimal)sumDistance;
                if (left <= right)
                {
                    currentIndex = i;
                    break;
                }
            }
            var DOUBLE_DELTA = 1E-6;
            if (Math.Abs(totalDistance - mapData.TotalDistance) < DOUBLE_DELTA)
            {
                currentIndex = pointList.Count - 1;
            }
            preIndex = currentIndex > 0 ? currentIndex - 1 : 0;//前一个索引
            int nextIndex = currentIndex == pointList.Count - 1 ? currentIndex : currentIndex + 1; //计算下一个点的坡度和距离

            elevation = pointList[currentIndex].Elevation;
            currentSlope = pointList[currentIndex].Grade;
            //CurrentDistance = pointList[currentIndex].Distance;
            //计算下一个海拔和坡度&当前区间距离
            nextSlope = pointList[nextIndex].Grade;
            nextSlopeDistance = sumDistance - totalDistance * 1000;
            //NextSlopeTotalDistance = pointList[nextIndex].Distance;
            currentSlopeDistance = (totalDistance * 1000 - (sumDistance - pointList[currentIndex].Distance));
            //计算累计爬升
            totalClimb = 0;
            for (int i = 1; i <= currentIndex; i++)
            {
                var diff = mapData.List[i].Elevation - mapData.List[i - 1].Elevation;
                if (diff > 0)
                {
                    totalClimb += diff;
                }
            }
        }


    }
}