using UnityEngine;
using System.Collections.Generic;
using System.Linq;
using Mapbox.Unity.Map;
using Mapbox.Utils;
using System.Collections;
using Mapbox.Unity.MeshGeneration.Modifiers;
using Mapbox.Unity.MeshGeneration.Data;
using Mapbox.Unity.Utilities;
using System;

namespace Assets.Scenes.Ride.Scripts
{
    public class RouteController : MonoBehaviour
	{
		[SerializeField]
		AbstractMap _map;
		[SerializeField]
		MeshModifier SnapModifier;
		[SerializeField]
		Material _material;
		[SerializeField]
		[Range(1, 10)]
		private float UpdateFrequency = 0.1f;

		private int _counter;

		GameObject _directionsGO;
		GameObject _mipMapRoute;
		GameObject _pathRoute;
		CyclingController cyclingCotroller;
		private bool initComplete = false;

		private List<Vector3> vector3s = new List<Vector3>();

		protected virtual void Awake()
		{
			if (_map == null)
			{
				_map = FindObjectOfType<AbstractMap>();
			}
            // _map.OnInitialized += _map_OnInitialized; ;
            //_map.OnUpdated += _map_OnUpdated; ;
           


		}
        private void Update()
        {
			if(!vector3s.Contains(playerController.currentPos))
				vector3s.Add(playerController.currentPos);
		}

        private void _map_OnUpdated()
        {
			Debug.Log("_map_OnUpdated");
        }

        private void _map_OnInitialized()
        {
			Debug.Log("_map_OnInitialized");
			CreateRoute();
		}

        private void _map_OnTileFinished(UnityTile obj)
        {
			
			if (!initComplete)
			{
				CreateRoute(obj);
				initComplete = true;
			}
		}


		public PlayerController playerController;
		public void Start()
		{
			cyclingCotroller = transform.parent.GetComponent<CyclingController>();
			//playerController = FindObjectOfType<PlayerController>();
			_map.OnTileFinished += _map_OnTileFinished;
			StartCoroutine(QueryTimer());
			//CreateRoute();
		}

		protected virtual void OnDestroy()
		{
			_map.OnInitialized -= CreateRoute;
			_map.OnUpdated -= CreateRoute;
		}

		public IEnumerator QueryTimer()
		{
			while (true)
			{
				CreateRoute(null);
				yield return new WaitForSeconds(UpdateFrequency);
			}
		}

		void CreateRoute(UnityTile tile)
		{
			{
				var meshData = new MeshData();
				var dat = new List<Vector3>();
				var path = new List<Vector3>();

				var mapData = cyclingCotroller.GetMapData();
				if (mapData != null && playerController != null)
				{
					//foreach (var mapDataItem in mapData.List)
					for (int i = 0; i < mapData.List.Count; i++)
					{
						var point = mapData.List[i].Point;
						Vector3 item = _map.GeoToWorldPosition(new Vector2d(point[0], point[1]));
						item.y += 1f;
						//if (!posInScreen(item) && i > playerController.CurrentIndex)
						//{
						//	break;
						//}
						//else if (posInScreen(item))
						//{
						//	dat.Add(item);
						//}
						//前后取50个点
						decimal diff = i - playerController.CurrentIndex;
						decimal diffAbs = Math.Abs(diff);
						if (diffAbs <= 200)
						{
							if (!dat.Contains(item))
								dat.Add(item);
						}
						if (diff <= 0 && diff > -200)
						{
							item.y += 0.15f;
							if (!dat.Contains(item))
								path.Add(item);
						}
					}
					var feat = new VectorFeatureUnity();
					feat.Points.Add(dat);
					//处理海拔高度的问题
					//bool foundTile = _map.MapVisualizer.ActiveTiles.TryGetValue(Conversions.LatitudeLongitudeToTileId(_map.CenterLatitudeLongitude.x, _map.CenterLatitudeLongitude.y, (int)_map.Zoom), out tile);
					//if (foundTile)
					//{
					//	SnapModifier.Run(feat, meshData, tile);
					//}
					CreatMapRoute(feat);//创建路线
					CreatPathRoute(path);//创建骑行过的线路
				}
			}
		}
		bool posInScreen(Vector3 position)
		{
			Transform camreatra = Camera.main.transform;
			Vector3 viewPos = Camera.main.WorldToViewportPoint(position);
			Vector3 dir = (position - camreatra.localPosition).normalized;
			float dot = Vector3.Dot(camreatra.forward, dir);
			if (dot > 0 && viewPos.x >= 0 && viewPos.x <= 1.5 && viewPos.y >= 0 && viewPos.y <= 1.5)
			{
				return true;
			}
			return false;
		}
		void CreateRoute()
		{
			UnityTile tile;
			bool foundTile = _map.MapVisualizer.ActiveTiles.TryGetValue(Conversions.LatitudeLongitudeToTileId(_map.CenterLatitudeLongitude.x, _map.CenterLatitudeLongitude.y, (int)_map.Zoom), out tile);
			if (foundTile)
			{
				var meshData = new MeshData();
				var dat = new List<Vector3>();

				var mapData = cyclingCotroller.GetMapData();
				if (mapData != null)
				{
					foreach (var mapDataItem in mapData.List)
					{
						var point = mapDataItem.Point;
						Vector3 item = _map.GeoToWorldPosition(new Vector2d(point[0], point[1]));
						item.y += 0.3f;
						dat.Add(item);
					}
					var feat = new VectorFeatureUnity();
					feat.Points.Add(dat);
					//处理海拔高度的问题
					//SnapModifier.Run(feat, meshData, tile);
					//CreatMapRoute(feat);//创建路线
					//CreateMiniMapRoute(feat);//创建小地图路线

				}
			}
		}
		void CreatMapRoute(VectorFeatureUnity feat)
		{
			if (_directionsGO != null)
			{
				_directionsGO.Destroy();
			}
			_directionsGO = new GameObject("MapRoute");
			_directionsGO.transform.parent = transform;
			var lineRender = _directionsGO.AddComponent<LineRenderer>();
			//lineRender.material = new Material(Shader.Find("Sprites/Default"));
			lineRender.material = Resources.Load<Material>("UI/Material/color8");
			var dat = feat.Points[0];
			ColorUtility.TryParseHtmlString("#FF2742", out Color c);
			lineRender.endColor = new Color(1,1,1,0.65f);
			lineRender.startColor = new Color(1, 1, 1, 0.65f);

			//设置宽度  
			lineRender.startWidth = 1f;
			lineRender.endWidth = 1f;
			lineRender.positionCount = dat.Count;
			lineRender.SetPositions(feat.Points[0].ToArray());
            lineRender.loop = false;
            lineRender.numCapVertices = 10;
            lineRender.numCornerVertices = 10;


        }

		void CreatPathRoute(List<Vector3> feat)
		{
			if (_pathRoute != null)
			{
				_pathRoute.Destroy();
			}
			_pathRoute = new GameObject("MapPathRoute");
			_pathRoute.transform.parent = transform;
			var lineRender = _pathRoute.AddComponent<LineRenderer>();
			//lineRender.material = new Material(Shader.Find("Sprites/Default"));
			var color7 = Resources.Load<Material>("UI/Material/color7");
			var Graph2 = Resources.Load<Material>("UI/Material/3dGraph2");
			lineRender.materials = new Material[] { color7, Graph2 };
			lineRender.endColor = new Color(0.9764706f, 0.1882353f, 0.5254902f, 0.65f);
			lineRender.startColor = new Color(0.9764706f, 0.1882353f, 0.5254902f, 0.65f);

			//设置宽度  
			lineRender.startWidth = 1f;
			lineRender.endWidth = 1f;
			lineRender.positionCount = feat.Count;
			lineRender.SetPositions(feat.ToArray());
            lineRender.loop = false;
            //lineRender.numCapVertices = 10;
            lineRender.numCornerVertices = 10;
            //
            lineRender.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
			lineRender.allowOcclusionWhenDynamic = false;
			lineRender.textureMode = LineTextureMode.Tile;
			lineRender.motionVectorGenerationMode = MotionVectorGenerationMode.ForceNoMotion;
			lineRender.receiveShadows = false;
			lineRender.rayTracingMode = UnityEngine.Experimental.Rendering.RayTracingMode.Off;
		}
	}
}