using Newtonsoft.Json;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;

public class PathFinding : MonoBehaviour
{
    public Transform PathParent;
    public List<Transform> PathList = new List<Transform>();
    public int NowIndex = 0;
    public int NowFloor = 4;
    // Start is called before the first frame update
    void Start()
    {
        foreach (Transform item in PathParent)
        {
            if (item != PathParent)
                PathList.Add(item);
        }
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.S))
        {
            List<LTData> alld = new List<LTData>();
            LTData data = new LTData();
            Vector3 p1 = new Vector3(-17.47f, -17.5f, 41.83f);//1.7
            Vector3 p2 = new Vector3(-17.47f, -15.9f, 37.48f);//1.4
            Vector3 p3 = new Vector3(-15.48f, -15.9f, 37.48f);//1.4
            Vector3 p4 = new Vector3(-15.48f, -14.3f, 41.83f);//1.7
            data.FloorId = 4;
            data.LTName = "LT65";
            data.LTTopCode = "1";
            data.LTMidCode = "2";
            data.LTBottomCode = "3";
            data.PTop = p1;
            data.PTop_Half = p2;
            data.PHalf_Bottom = p3;
            data.PBottom = p4;
            data.PWidthRange = 0.8f;
            data.PHalfWidthRange = 0.4f;
            data.IsTop_Bottom = false;
            alld.Add(data);
            alld.Add(data);

            string adstr = JsonConvert.SerializeObject(alld);
            Debug.Log(adstr);
        }
        if (Input.GetKeyDown(KeyCode.T))
        {
            LTData ltdata = null;
            foreach (var item in Config.LTPostions)
            {
                if (item.FloorId == NowFloor)
                {
                    ltdata = item;
                    break;
                }
            }
            if (NowIndex == 0)
            {
                LocationData data = new LocationData();
                data.targetNo = 102;
                data.xAxis = PathList[0].transform.position.x;
                data.yAxis = PathList[0].transform.position.y;
                data.zAxis = PathList[0].transform.position.z;
                data.stations = PathList[0].name;
                var agent = GetComponent<LocationSimulator>().CreateAgent(data);
                agent.enabled = false;
                agent.GetComponent<NavMeshAgent>().enabled = false;
                GetComponent<LocationSimulator>().agentControllers.Add(data.targetNo, agent);
                Vector3 pos = ConversionTransform(data, ltdata);
                GetComponent<LocationSimulator>().agentControllers[data.targetNo].transform.position = pos;
            }
            else if (NowIndex < PathList.Count)
            {
                LocationData data = new LocationData();
                data.targetNo = 102;
                data.stations = PathList[NowIndex].name;
                data.xAxis = PathList[NowIndex].transform.position.x;
                data.yAxis = PathList[NowIndex].transform.position.y;
                data.zAxis = PathList[NowIndex].transform.position.z;
                Vector3 pos = ConversionTransform(data, ltdata);
                GetComponent<LocationSimulator>().agentControllers[data.targetNo].transform.position = pos;
            }
            else
            {
                NowIndex = 0;
            }
            NowIndex++;
        }
    }
    /// <summary>
    ///  根据数据转换到Unity坐标
    /// </summary>
    /// <param name="data"></param>
    /// <returns></returns>
    public Vector3 ConversionTransform(LocationData data, LTData ltData)
    {
        if (ltData == null)
            return Vector3.zero;
        //取最高处作为pos.y方便向下打射线
        float y = ltData.PTop.y > ltData.PBottom.y ? ltData.PTop.y : ltData.PBottom.y;
        //对方传入转换后的数据
        var pos = new Vector3((float)data.xAxis, y, (float)data.zAxis);

        if (data.stations.Contains(ltData.LTBottomCode) && !data.stations.Contains(ltData.LTMidCode))
        { //下面地面
            pos.y = ltData.PBottom.y;
        }
        else if (data.stations.Contains(ltData.LTBottomCode) && data.stations.Contains(ltData.LTMidCode))
        { //楼梯下半段
            if (pos.x < ltData.PBottom.x - ltData.PWidthRange || pos.x > ltData.PBottom.x + ltData.PWidthRange)
            {
                pos.x = ltData.PBottom.x;
            }
            if (pos.z > ltData.PBottom.z)
            {
                pos.z = ltData.PBottom.z;
            }
            if (pos.z < ltData.PHalf_Bottom.z)
            {
                pos.z = ltData.PHalf_Bottom.z;
            }

            pos.y = SetY(pos, ltData.LTName);

            if (pos.y == 0)
                pos.y = ltData.PBottom.y;
        }
        else if (data.stations.Contains(ltData.LTTopCode) && data.stations.Contains(ltData.LTMidCode))
        { //楼梯上半段
            if (pos.x < ltData.PTop.x - ltData.PWidthRange || pos.x > ltData.PTop.x + ltData.PWidthRange)
            {
                pos.x = ltData.PTop.x;
            }
            if (pos.z > ltData.PTop.z)
            {
                pos.z = ltData.PTop.z;
            }
            if (pos.z < ltData.PTop_Half.z)
            {
                pos.z = ltData.PTop_Half.z;
            }

            pos.y = SetY(pos, ltData.LTName);

            if (pos.y == 0)
                pos.y = ltData.PTop.y;
        }
        else if (data.stations.Contains(ltData.LTMidCode) &&
            !data.stations.Contains(ltData.LTTopCode) &&
            !data.stations.Contains(ltData.LTBottomCode))
        {
            //楼梯间过度
            if (pos.z < ltData.PTop_Half.z - ltData.PHalfWidthRange || pos.z > ltData.PTop_Half.z + ltData.PHalfWidthRange)
            {
                pos.z = ltData.PTop_Half.z;
            }
            if (pos.x > ltData.PTop_Half.x)
            {
                pos.x = ltData.PTop_Half.x;
            }
            if (pos.x < ltData.PHalf_Bottom.x)
            {
                pos.x = ltData.PHalf_Bottom.x;
            }

            pos.y = ltData.PTop_Half.y;
        }
        else if (data.stations.Contains(ltData.LTTopCode) && !data.stations.Contains(ltData.LTMidCode))
        {//上面地面
            pos.y = ltData.PTop.y;
        }
        else
        {//其他基站则在正常高度
            if (ltData.IsTop_Bottom)
                pos.y = ltData.PTop.y;
            else
                pos.y = ltData.PBottom.y;
        }
        return pos;
    }
    /// <summary>
    /// 确保角色始终在地面上
    /// </summary>
    /// <param name="position"></param>
    /// <returns></returns>
    public float SetY(Vector3 position, string ltname)
    {
        var hitlist = Physics.RaycastAll(position, Vector3.down, 100f, ~(1 << (LayerMask.NameToLayer("Defaut") | LayerMask.NameToLayer("Hidden"))));
        if (hitlist.Length > 0)
        {
            foreach (var item in hitlist)
            {
                if (item.transform.name == ltname)
                    return item.point.y;
            }
        }
        return 0f;
    }
}