using AX.InputSystem;
using AX.MessageSystem;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.AI;

[RequireComponent(typeof(NavMeshAgent))]
public class AgentController : MonoBehaviour
{
    private NavMeshAgent agent;
    private NavMeshPath NavMeshPath;
    private NavMeshQueryFilter filter;
    private Vector3 pointhit;
    private GameObject hitObj;
    public List<Vector3> corners = new List<Vector3>();
    private Vector3 lastPosition;
    public bool pathFindEnable;
    public bool FixedArmFlag;
    private float speed;
    private float angularSpeed;
    public List<Vector3> TargetPoint = new List<Vector3>();
    private void Awake()
    {
        pathFindEnable = true;
        agent = GetComponent<NavMeshAgent>();
        speed = agent.speed;
        angularSpeed = agent.angularSpeed;
        MessageDispatcher.AddListener("ReplayEvent", ReplayAgent);
        MessageDispatcher.AddListener("ReplayEvent", ReplayCautionAreaTip);
        MessageDispatcher.AddListener("ReplayStatusChanged", ReplayStatusChanged);
    }
    void OnEnable()
    {
        MessageDispatcher.AddListener("PATH_FINDING_COMMAND", PathFinding);
    }
    void OnDisable()
    {
        MessageDispatcher.RemoveListener("PATH_FINDING_COMMAND", PathFinding);
    }
    void OnDestroy()
    {
        MessageDispatcher.RemoveListener("PATH_FINDING_COMMAND", PathFinding);
        MessageDispatcher.RemoveListener("ReplayEvent", ReplayAgent);
        MessageDispatcher.RemoveListener("ReplayEvent", ReplayCautionAreaTip);
        MessageDispatcher.RemoveListener("ReplayStatusChanged", ReplayStatusChanged);
    }
    private void ReplayStatusChanged(IMessage obj)
    {
        //if (!agent.isOnNavMesh)
        //    return;
        var Status = (ReplayStatus)obj.Data;
        switch (Status)
        {
            case ReplayStatus.normal:
                if (agent.isOnNavMesh && agent.isStopped)
                {
                    agent.isStopped = false;
                }
                break;
            case ReplayStatus.pause:
                if (agent.isOnNavMesh && !agent.isStopped)
                {
                    agent.isStopped = true;
                }
                break;
            case ReplayStatus.over:

                break;
            default:
                break;
        }
    }
    public void Stop()
    {
        corners.Clear();
        StopAllCoroutines();
        agent.SetDestination(this.transform.position);
    }
    void Start()
    {
        
        NavMeshPath = new NavMeshPath();
        filter = new NavMeshQueryFilter
        {
            agentTypeID = agent.agentTypeID,
            areaMask = agent.areaMask
        };
        if (GetComponent<TruckMessages>())
        {

            NavMesh.CalculatePath(transform.position, transform.position, filter, NavMeshPath);
            Vector3[] b = NavMeshPath.corners;
            if (b.Length < 1)
            {
                agent.enabled = false;
            }
            else
            {
                agent.enabled = true;
            }
        }
    }



    //check for mouse input
    void Update()
    {

    }

    IEnumerator ReplayEventWaitPosition(Vector3 pos)
    {
        yield return new WaitForEndOfFrame();
        agent.SetDestination(pos);

    }
    private void ReplayAgent(IMessage obj)
    {
        var eventData = (EventData)obj.Data;
        if (eventData.eventType == RecordEventType.Agent)
        {
            var data = JsonUtility.FromJson<AgentRecordData>(eventData.json);
            if (data.GameId == GetComponent<CloneGameObjInfo>().GameObjID)
            {
                //MessageDispatcher.AddListener("ReplayStatusChanged", ReplayStatusChanged);
                ReplayManager_ChangeReplaySpeed(GlobalVariable.ReplaySpeed);
                ReplayManager.ChangeReplaySpeed += ReplayManager_ChangeReplaySpeed;
                if (agent && agent.isOnNavMesh)
                {
                    agent.SetDestination(data.TargetPoint);
                }
                //else
                //{
                //    StartCoroutine(ReplayEventWaitPosition(data.TargetPoint));
                // }
            }
        }
    }

    private void ReplayManager_ChangeReplaySpeed(int obj)
    {
        if (agent)
        {

            agent.speed = speed * GlobalVariable.ReplaySpeed;
            agent.angularSpeed = angularSpeed * GlobalVariable.ReplaySpeed;
        }
    }


    private void PathFinding(IMessage obj)
    {
        if (SelectedObjs.selectedCharacters.Contains(gameObject) || SelectedObjs.selectedObj == gameObject)
        {
            if (pathFindEnable && !FixedArmFlag)
            {
                var data = (PathFindingCmdArgs)obj.Data;
                pointhit = data.hitPoint;
                StopAllCoroutines();
                corners.Clear();
                bool flag = setPathCorners(transform.position, pointhit, corners);
                if (flag)
                {
                    //  pointerObj.transform.position = pointhit;
                    hitObj = EntitiesManager.Instance.GetEntityByID(data.gameObjID);
                    //setFloorMessage(hitObj.transform);
                    removeNoMainCorners(corners);
                    StartCoroutine(GoToDestination());
                    var objinfo = GetComponent<BaseGameObjInfo>();
                    //if (objinfo.gameObjType != CloneObjType.fireman && objinfo.gameObjType != CloneObjType.ObligationFireman)
                    //{
                    //    MessageDispatcher.SendMessage(GetComponent<BaseGameObjInfo>().GameObjID, "SetpathIndex");
                    //}
                    if (tag == "Player")
                    {
                        //先判断：是否进入警戒区
                      //  checkEnterCautionArea(pointhit);
                        FireManMessage mess = GetComponent<FireManMessage>();
                        //GetComponent<XiaoFangYuanDrawLine>().setLine();
                        if (mess.workType == FireManSkills.LayLifeSavingFlarePath ||
                            mess.workType == FireManSkills.LayWaterHose ||
                            mess.workType == FireManSkills.SprayFoam ||
                            mess.workType == FireManSkills.SprayWater ||
                            mess.workType == FireManSkills.Decontamination)
                        {
                            GetComponent<XiaoFangYuanDrawLine>().setPath(corners.ToArray());
                        }

                    }
                }
                else
                    ResourceLoadWindow.Instance.LoadTextHintWindow("不能抵达", 1f);
            }
            else
            {
                ResourceLoadWindow.Instance.LoadTextHintWindow("不能移动", 1f);
            }
        }
    }
    public static event Func<Vector3,IntData, IntData> checkCautionAreaEntering;
    private void checkEnterCautionArea(Vector3 pointhit)
    {
        IntData data = new IntData(0);
        if(checkCautionAreaEntering != null)
            data = checkCautionAreaEntering(pointhit, data);
        if (data.value > 0)
        {
            string warning = "";
            //即将进入警戒区，判断是否按要求装备
            Bag bag = GetComponent<Bag>();
            bool detectEquiped = false; //是否携带侦测类仪器
            bool breathEquiped = false; //是否装备空呼
            bool clothEquiped = false; //是否装备防化服
            bool phoneEquiped = false; //是否装备对讲机

            foreach(Equip equip in bag.EquipList)
            {
                if (equip.Name == "有毒气体探测仪")
                {
                    detectEquiped = true;
                }
                if (equip.Name == "正压式空气呼吸器")
                {
                    breathEquiped = true;
                }
                if (equip.Name.Contains("防化服"))
                {
                    clothEquiped = true;
                }
                if (equip.Name.Contains("通信"))
                {
                    phoneEquiped = true;
                }
            }
            if(detectEquiped && breathEquiped && clothEquiped && phoneEquiped)
            {    
                //如果按要求装备，就不提示
                return;
            }
            else
            {
                warning += "即将进入警戒区，但未按要求装备：\n";
                if (!detectEquiped)
                    warning += "有毒气体探测仪";
                if (!breathEquiped)
                    warning += " 空气呼吸器";
                if (!clothEquiped)
                    warning += " 防化服";
                if (!phoneEquiped)
                    warning += " 通信设备";
                ResourceLoadWindow.Instance.LoadTipWindow(warning, () => { }, null);
                AddCautionAreaTipEvent(warning);
            }            
        }
    }

    private void AddCautionAreaTipEvent(string warning)
    {
        if (ReplaySetting.PlayStatus == PlayStatus.isEditor && RecordManager.Instance.recordStatus == RecordStatus.normal)
        {
            var eventData = new EventData();
            eventData.time = RecordManager.Instance.RecordTimer;
            eventData.cloneObjType = GetComponent<CloneGameObjInfo>().gameObjType;
            eventData.eventType = RecordEventType.CautionAreaTip;
            CautionAreaTipData data = new CautionAreaTipData();
            data.gameObjID = GetComponent<CloneGameObjInfo>().gameObjID;
            data.warning = warning;
            eventData.json = JsonUtility.ToJson(data);

            RecordManager.Instance.jsonData.eventDataList.Add(eventData);
        }
    }
    private void ReplayCautionAreaTip(IMessage obj)
    {
        var eventData = (EventData)obj.Data;
        if (eventData.eventType == RecordEventType.CautionAreaTip)
        {
            CautionAreaTipData data = JsonUtility.FromJson<CautionAreaTipData>(eventData.json);
            if (data.gameObjID == GetComponent<CloneGameObjInfo>().gameObjID)
            {
                ResourceLoadWindow.Instance.LoadTextHintWindow(data.warning, Mathf.Clamp(2/ GlobalVariable.ReplaySpeed,1,2));                 
            }
        }
    }

    bool ArriveFlag(Vector3 transformpos, Vector3 pointhit)
    {
        // StopAllCoroutines();
        //  corners.Clear();
        return setPathCorners(transformpos, pointhit, corners);
    }
    public void AutoPathFinding(List<Vector3> TargetPoint)
    {
        if (pathFindEnable && !FixedArmFlag)
            StartCoroutine(PathFinding(TargetPoint));
    }
    IEnumerator PathFinding(List<Vector3> TargetPoint)
    {

        this.TargetPoint = TargetPoint;
        StopAllCoroutines();
        corners.Clear();
        int a = 0;
        while (a < TargetPoint.Count)
        {
            if (a == 0)
                ArriveFlag(transform.position, TargetPoint[a]);
            else
                ArriveFlag(TargetPoint[a - 1], TargetPoint[a]);

            //if (ArriveFlag(transform.position, TargetPoint[a]))
            //    StartCoroutine(GoToDestination());
            //// ArriveFlag(transform.position, TargetPoint[a]);
            a++;
        }
        if (a == TargetPoint.Count)
        {

            removeNoMainCorners(corners);
            StartCoroutine(GoToDestination());
            yield return true;
        }
    }

    public static List<Vector3> LiSan(Vector3 center, int count, Vector3 size)
    {
        List<Vector3> list = new List<Vector3>();
        int num = 1;
        while (list.Count < count)
        {
            var tagent = new Vector3(center.x, center.y, center.z + size.z * num);
            if (InNavMesh(center, tagent))
                list.Add(tagent);
            else
            {
                if (Vector3.Distance(center, tagent) >= (count + 3) * size.z)
                    break;
            }
            num++;
        }
        num = 1;
        while (list.Count < count)
        {
            var tagent = new Vector3(center.x, center.y, center.z - size.z * num);
            if (InNavMesh(center, tagent))
                list.Add(tagent);
            else
            {
                if (Vector3.Distance(center, tagent) >= (count + 3) * size.z)
                    break;
            }
            num++;
        }
        num = 1;
        while (list.Count < count)
        {
            var tagent = new Vector3(center.x + size.x * num, center.y, center.z);
            if (InNavMesh(center, tagent))
                list.Add(tagent);
            else
            {
                if (Vector3.Distance(center, tagent) >= (count + 3) * size.x)
                    break;
            }
            num++;
        }
        num = 1;
        while (list.Count < count)
        {
            var tagent = new Vector3(center.x - size.x * num, center.y, center.z);
            if (InNavMesh(center, tagent))
                list.Add(tagent);
            else
            {
                if (Vector3.Distance(center, tagent) >= (count + 3) * size.x)
                    break;
            }
            num++;
        }
        return list;
    }
    public static bool InNavMesh(Vector3 center, Vector3 tagent)
    {
        NavMeshHit hit;
        NavMeshQueryFilter filter = new NavMeshQueryFilter();
        filter.agentTypeID = 0;
        filter.areaMask = 1;
        NavMesh.Raycast(center, tagent, out hit, filter);
        return hit.mask == filter.areaMask;
    }
    EventData eventData;
    //loops over path positions, sets the 
    //current target destination of this agent
    IEnumerator GoToDestination()
    {
        int i = 1;
        while (i < corners.Count)
        {
            NavMeshPath NavMeshPath = new NavMeshPath();
            NavMesh.CalculatePath(transform.position, corners[i], filter, NavMeshPath);
            if (RecordEvent.IsRecord())
            {
                /* eventData = RecordEvent.CreateLinearEventData(CloneObjType.None, RecordEventType.LinearData);*///GetComponent<BaseGameObjInfo>().gameObjType
                AgentRecordData AgentRecordData = new AgentRecordData
                {
                    TargetPoint = corners[i],
                    GameId = GetComponent<BaseGameObjInfo>().GameObjID
                };
                //RecordEvent.AddLinearEventData(eventData, GetComponent<BaseGameObjInfo>().GameObjID, JsonUtility.ToJson(AgentRecordData));
                eventData = RecordEvent.AddEventData(CloneObjType.None, RecordEventType.Agent, JsonUtility.ToJson(AgentRecordData));
            }
            agent.SetDestination(corners[i]);
            while (agent.pathPending)
                yield return null;
            //wait until we reached this position
            float remain = Vector3.Distance(transform.position, corners[i]);
            while (remain == Mathf.Infinity || remain - agent.stoppingDistance > float.Epsilon)
            {
                remain = Vector3.Distance(transform.position, corners[i]);
                if (RecordEvent.IsRecord())//正在寻路开记录节点
                    if (eventData == null)
                    {
                        AgentRecordData AgentRecordData = new AgentRecordData
                        {
                            TargetPoint = corners[i],
                            GameId = GetComponent<BaseGameObjInfo>().GameObjID
                        };
                        eventData = RecordEvent.AddEventData(CloneObjType.None, RecordEventType.Agent, JsonUtility.ToJson(AgentRecordData));
                    }
                //if (RecordEvent.IsRecordPause())//记录暂定 停止寻路
                //{
                //    agent.isStopped = true;
                //}
                //else
                //{
                //    if (RecordEvent.IsRecord() && agent.isStopped)
                //    {
                //        agent.isStopped = false;
                //        eventData = null;
                //    }
                //}
                yield return null;
            }
            if (eventData != null)
            {
                eventData = null;
            }
            var objinfo = GetComponent<BaseGameObjInfo>();
            if (objinfo.gameObjType == CloneObjType.FireMan)

            {
                setFloorMessage();
            }
            else if (objinfo.GetComponent<TruckMessages>())
            {
                setFloorMessage(false);
            }

            i++;
        }
        if (i == corners.Count)
        {
            corners.Clear();
            yield return true;
        }
    }

    private void setFloorMessage(bool isFireman = true)
    {
        //璁剧疆瀵昏矾瀵硅薄妤煎眰灞炴€?
        Vector3 adPos2 = transform.position;
        Ray ray = new Ray(adPos2 + Vector3.up, Vector3.down);
        RaycastHit hit = new RaycastHit();
        if (isFireman)
        {
            if (Physics.Raycast(ray, out hit, 1000, LayerMask.GetMask("ManRode", "CarRode")))
            {
                if (hit.transform.gameObject.GetComponent<CloneGameObjInfo>())
                {
                    CloneGameObjInfo msg = GetComponent<CloneGameObjInfo>();
                    CloneGameObjInfo hitinfo = hit.transform.gameObject.GetComponent<CloneGameObjInfo>();
                    msg.buildNum = hitinfo.buildNum;
                    msg.floorNum = hitinfo.floorNum;
                    msg.interlayerNum = hitinfo.interlayerNum;
                    //msg.inOutType = hitinfo.inOutType;

                    if (!SelectedObjs.selectedCharacters.Contains(gameObject))
                    {
                        msg.UpdateFloorEnabled(GlobalVariable.CurrentFloor);
                    }
                    return;
                }
            }
        }
        else
        {
            if (Physics.Raycast(ray, out hit, LayerMask.NameToLayer("CarRoad")))
            {
                if (hit.transform.gameObject.GetComponent<CloneGameObjInfo>())
                {
                    CloneGameObjInfo msg = GetComponent<CloneGameObjInfo>();
                    CloneGameObjInfo hitinfo = hit.transform.gameObject.GetComponent<CloneGameObjInfo>();
                    msg.buildNum = hitinfo.buildNum;
                    msg.floorNum = hitinfo.floorNum;
                    msg.interlayerNum = hitinfo.interlayerNum;

                    return;
                }
            }
        }

    }
    bool setPathCorners(Vector3 sourcePosition, Vector3 targetPosition, List<Vector3> corners)
    {
        NavMeshPath NavMeshPath = new NavMeshPath();
        NavMesh.CalculatePath(sourcePosition, targetPosition, filter, NavMeshPath);
        Vector3[] b = NavMeshPath.corners;
        if (b.Length == 1)
        {
            //Debug.Log("断裂");
            return false;
        }
        if (NavMeshPath.status == NavMeshPathStatus.PathComplete)
        {
            //Debug.Log("PathComplete");
            foreach (Vector3 corner in b)
            {
                if (!corners.Contains(corner))
                {
                    corners.Add(corner);
                }
            }
            return true;
        }
        else if (NavMeshPath.status == NavMeshPathStatus.PathPartial)
        {
            if (Vector3.Distance(b[b.Length - 1], lastPosition) == 0)
            {
                //Debug.Log("(" + sourcePosition.x + "," + sourcePosition.y + "," + sourcePosition.z + ")、（" + lastPosition.x + "," + lastPosition.y + "," + lastPosition.z + ")");
                //Debug.Log("进入死循环");

                return false;
            }
            foreach (Vector3 corner in b)
            {
                if (!corners.Contains(corner))
                {
                    corners.Add(corner);
                }
            }
            lastPosition = sourcePosition;
            return setPathCorners(b[b.Length - 1], targetPosition, corners);
        }
        else if (NavMeshPath.status == NavMeshPathStatus.PathInvalid)
        {
            return false;
        }
        else
        {
            return false;
        }
    }
    void removeNoMainCorners(List<Vector3> corners)
    {
        for (int i = 0; i < corners.Count - 1; i++)
        {
            for (int k = corners.Count - 2; k > i; k--)
            {
                float distance = Vector3.Distance(corners[i], corners[k]);//计算两点的距离
                if (distance < 5)
                {
                    for (int j = k; j > i; j--)
                    {
                        corners.RemoveAt(j);
                    }
                    break;
                }
            }
        }
    }
}