using BrewMonster.Network;
using CSNetwork.C2SCommand;
using CSNetwork.GPDataType;
using System;
using System.Collections.Generic;
using System.Runtime.ConstrainedExecution;
using System.Text;
using UnityEngine;
using CSNetwork.Protocols;
using CSNetwork;
using BrewMonster;

public class CECHostMove
{
    ushort m_wMoveStamp;
    float m_fMoveTime;
    CECHostPlayer m_pHost;
    bool m_bStop;
    const float MOVECMD_INTERVAL = .5f;
    Vector3 m_vLastSevPos;
    STOPMOVE m_DelayedStop;
    ulong cmdstopdelayCounter = 500;
    ulong cmdmovedelayCounter = 500;
    ulong m_dwLastTime;
    Vector3 m_vLastPos;
    float m_fAverSpeedH;


    public CECHostMove(CECHostPlayer pHost)
    {
        m_wMoveStamp = 0;
        m_fMoveTime = 0.0f;
        m_pHost = pHost;
        m_bStop = false;
    }

    public void Tick(ulong dwDeltaTime)
    {
        cmdstopdelayCounter += dwDeltaTime;
        cmdmovedelayCounter += dwDeltaTime;
        if (cmdstopdelayCounter >= 500 && m_DelayedStop.bValid)
        {
            var m = m_DelayedStop;

            // a_GetTime() -> Environment.TickCount (ms)
            ulong dwCurrent = (ulong)Mathf.RoundToInt( Time.time * 1000);

            // iTime: thời gian tích lũy (ms) + delta từ timestamp đến hiện tại
            int iTime = (int)((m.fTime * 1000f)
                      + ((dwCurrent > m.dwTimeStamp) ? (dwCurrent - m.dwTimeStamp) : 0));

            // tính tốc độ trung bình (giây = iTime * 0.001f)
            float fSpeed = l_CalcAverageSpeed(m_vLastSevPos, m.vPos, iTime * 0.001f, m.fSpeed);

            int iMoveMode = m.iMoveMode;

            // make a potential check with tuojigua
            iMoveMode |= (int)GPMoveMode.GP_MOVE_DEAD;

               UnityGameSession.Instance.c2s_SendCmdStopMove(
                    m.vPos, fSpeed, iMoveMode, m.byDir, m_wMoveStamp++, iTime
                );

            // Record this position
            m_vLastSevPos = m.vPos;

            Reset();
        }

        m_dwLastTime = Math.Max(m_dwLastTime, 1);
        Vector3 vOffset = m_pHost.transform.position - m_vLastPos;
        m_fAverSpeedH = EC_Utility.MagnitudeH(vOffset) * 1000.0f / m_dwLastTime;
        m_vLastPos = m_pHost.transform.position;
        m_dwLastTime = dwDeltaTime;
    }
    public void SendStopMoveCmd(in Vector3 vPos, float fSpeed, int iMoveMode)
    {
        Debug.LogWarning("HoangDev : SendStopMoveCmd");
        iMoveMode |= (int)GPMoveMode.GP_MOVE_DEAD;

        if (cmdstopdelayCounter == 500)
        {
            Vector3 vDir = m_pHost.transform.forward;
            byte byDir = EC_Utility.glb_CompressDirH(vDir.x, vDir.z);
            fSpeed = l_CalcAverageSpeed(m_vLastSevPos, vPos, m_fMoveTime, fSpeed);
            int iTime = (int)(m_fMoveTime * 1000);

            UnityGameSession.Instance.c2s_SendCmdStopMove(vPos, fSpeed, iMoveMode, byDir, m_wMoveStamp++, iTime);

           m_vLastSevPos = vPos;
            Reset();
        }
        else
        {
            Vector3 vDir = m_pHost.transform.forward;
            byte byDir = EC_Utility.glb_CompressDirH(vDir.x, vDir.z);

            if (!m_DelayedStop.bValid)
            {
                m_DelayedStop.dwTimeStamp = (ulong)Mathf.RoundToInt(Time.time * 1000);
                m_DelayedStop.fTime = m_fMoveTime;
            }

            m_DelayedStop.bValid = true;
            m_DelayedStop.byDir = byDir;
            m_DelayedStop.vPos = vPos;
            m_DelayedStop.iMoveMode = iMoveMode;
            m_DelayedStop.fSpeed = fSpeed;
        }
        m_fMoveTime = 0.0f;
    }
    public void SendMoveCmd(in Vector3 vCurPos, in Vector3 vVel, int iMoveMode, bool bForceSend = false)
    {
        Vector3 vMoveDir = vVel;
        float fSpeed = vMoveDir.magnitude;
        SendMoveCmd(vCurPos, fSpeed, iMoveMode, bForceSend);
    }
    void SendMoveCmd(in Vector3 vCurPos,
                              float fSpeed, int iMoveMode, bool bForceSend)
    {

        if (m_bStop)
        {
            //	m_CmdTimeCnt.Reset();
            cmdmovedelayCounter = (ulong)( m_fMoveTime * 1000);
            m_bStop = false;
        }
        if (!bForceSend && cmdmovedelayCounter < 500)
            return;

        int iTime = (int)(m_fMoveTime * 1000);

        if (iTime < 200)
        {
            if (iTime == 0 || !bForceSend)
            {
                //	if time is too little, wait again
                cmdmovedelayCounter = (ulong)(iTime);
                return;
            }
        }

        cmdmovedelayCounter = 0;
        m_DelayedStop.bValid = false;

        fSpeed = l_CalcAverageSpeed(m_vLastSevPos, vCurPos, m_fMoveTime, fSpeed);
        m_fMoveTime = 0.0f;

        iMoveMode |= (int)GPMoveMode.GP_MOVE_DEAD;
        UnityGameSession.Instance.c2s_CmdPlayerMove(vCurPos, vCurPos, iTime/* MOVECMD_INTERVAL */, fSpeed, iMoveMode, m_wMoveStamp++);

        m_vLastSevPos = vCurPos;
    }
    
    float l_CalcAverageSpeed(in Vector3 p1, in Vector3 p2, float fTime, float fDefSpeed)
    {
        if (Mathf.Approximately(fTime, 0f))
            return fDefSpeed;

        Vector3 d = p2 - p1;
        float fSpeed = d.magnitude / fTime;

        if (fTime < 0.05f || fSpeed > 50.0f)
        {
            // tương đương ASSERT(0) trong C++, ở đây có thể Debug.LogWarning
            Debug.LogWarning("CalcAverageSpeed: invalid input, fallback to default speed.");
            return fDefSpeed;
        }

        return fSpeed;
    }
    private void Reset()
    {
        cmdstopdelayCounter = 0;
        m_bStop = true;
        m_DelayedStop.bValid = false;
    }

    public void GroundMove(float ftime)
    {
        m_fMoveTime += ftime;
    }

    struct STOPMOVE
    {
       public bool bValid;        //	Valid flag
       public Vector3 vPos;
       public float fSpeed;
       public int iMoveMode;
       public byte byDir;
       public ulong dwTimeStamp;
       public float fTime;
    };
}
public struct CDR_INFO
{
    //the aabb
    public Vector3 vCenter;
    //@note : the caller should make sure ext(.x, .y, .z) > 0.  By Kuiwu[22/9/2005]
    public Vector3 vExtent;

    public float fStepHeight;

    // Velocity Info
    public Vector3 vXOZVelDir;
    public float fYVel;
    public float fSpeed;

    // time span ( sec )
    public float t;

    // Gravity acceleration
    public float fGravityAccel;

    // the Climb Slope Thresh
    public float fSlopeThresh;

    // Tangent plane Info
    public Vector3 vTPNormal;

    // Absolute Velocity: output for forcast!
    public Vector3 vAbsVelocity;


    //the moving dist
    public float fMoveDist;
};