/*
 * 主要处理场景中显示一条路径的逻辑，比喻 跨服押镖中马车的路径
 */

using System.Collections;
using System.Collections.Generic;
using Games.GlobeDefine;
using GCGame.Table;
using UnityEngine;
using UnityEngine.Events;

public class SignPostManager : Singleton<SignPostManager>
{
    private readonly UnityEvent Listens = new UnityEvent();
    private GameObject SignCloneObj;
    private readonly List<SignPost> SignPostRoots = new List<SignPost>(); //只保存每个路径的首个点 该列表一个点代表着一条路径
    private GameObject SignRoadShowRoot;
    private int UpdateFrameSpace; //

    public GameObject Instantiate()
    {
        if (SignCloneObj == null)
        {
            InitSignGameObject();
            return null;
        }

        if (SignRoadShowRoot == null)
            SignRoadShowRoot = new GameObject("SignRoadShowRoot");

        var CloneNew = Object.Instantiate(SignCloneObj);
        CloneNew.transform.SetParent(SignRoadShowRoot.transform);

        return CloneNew;
    }

    private void InitSignGameObject()
    {
        LoadAssetBundle.Instance.LoadGameObject(LoadAssetBundle.BUNDLE_PATH_EFFECT, "tx_ui_lubiao",
            delegate(string assetName, GameObject resObj, Hashtable hashParam) { SignCloneObj = resObj; },
            new Hashtable());
    }

    public void LeaveScene()
    {
        for (var i = 0; i < SignPostRoots.Count; i++) SignPostRoots[i].ClearUp();
        SignPostRoots.Clear();
        Listens.RemoveAllListeners();
        if (SignRoadShowRoot != null)
        {
            Object.Destroy(SignRoadShowRoot);
            SignRoadShowRoot = null;
        }

        GhattyCurrPosition = Vector3.zero;
        GhattyCurrDestent = Vector3.zero;
        GhattyCurrPathID = -1;
    }

    public bool CreateSignPost(int SignPostID, Vector3 TargetPos, Vector3 TargetDestant)
    {
        if (SignCloneObj == null)
            InitSignGameObject();
        for (var i = 0; i < SignPostRoots.Count; i++)
            if (SignPostRoots[i].SignPostID == SignPostID)
                return SignPostRoots[i].CreateSign(null, TargetDestant);
        var point = new SignPost(SignPostID);
        if (point.SignPostID != -1)
            if (point.CreateSign(null, TargetDestant))
            {
                SignPostRoots.Add(point);
                return true;
            }

        return false;
    }

    public void TargetMove(int SignPostRootID, Vector3 TargetPosition, Vector3 TargetDestentPos,
        bool CreateIfNotFind = false)
    {
        for (var i = 0; i < SignPostRoots.Count; i++)
            if (SignPostRoots[i].SignPostID == SignPostRootID)
            {
                if (SignCloneObj != null)
                    SignPostRoots[i].ShowSign();
                return;
            }

        if (CreateIfNotFind) CreateSignPost(SignPostRootID, TargetPosition, TargetDestentPos);
    }

    public void Update()
    {
        if (SignCloneObj == null)
            return;
        if (UpdateFrameSpace > 0)
        {
            UpdateFrameSpace--;
            return;
        }

        Listens.Invoke();
        UpdateFrameSpace = 5; //5帧更新一次
        for (var i = 0; i < SignPostRoots.Count; i++) SignPostRoots[i].Update();
    }

    #region //跨服押镖增加的

    public Vector3 GhattyCurrPosition = Vector3.zero;
    public Vector3 GhattyCurrDestent = Vector3.zero;
    public int GhattyCurrPathID = -1;

    public void CrossServerPost(int missionID, bool Remove)
    {
        if (Remove)
        {
            var cross = TableManager.GetCrossSerEscortConfigByID(GhattyCurrPathID);
            if (cross == null)
                return;
            if (cross.MissionID == missionID)
            {
                ClearPath();
                Listens.RemoveListener(ReqGharryPos);
                GhattyCurrPosition = Vector3.zero;
                GhattyCurrDestent = Vector3.zero;
                if (CrossServerMap.Instance != null)
                    CrossServerMap.Instance.GharryPos();
            }
        }
        else
        {
            var CrossSerEscortConfigs = TableManager.GetCrossSerEscortConfig().Values;
            foreach (var config in CrossSerEscortConfigs)
                if (config.MissionID == missionID)
                {
                    ClearPath();
                    ReqGharryPos();
                    Listens.AddListener(ReqGharryPos);
                }
        }
    }

    private void ClearPath()
    {
        var cross = TableManager.GetCrossSerEscortConfigByID(GhattyCurrPathID);
        if (cross == null)
            return;

        for (var i = 0; i < SignPostRoots.Count; i++)
            if (SignPostRoots[i].SignPostID == cross.SignPostPath)
            {
                SignPostRoots[i].ClearUp();
                SignPostRoots.RemoveAt(i);
                return;
            }
    }

    private void ReqGharryPos()
    {
        if (GameManager.gameManager.RunningScene != GlobeVar.CROSSSERVER_SIGNPOSTSCENE)
            return;
        var req = new ReqCrossSerEscortInfo();
        req.Flag = 1;
        req.SendMsg();
    }

    #endregion
}