using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using BrewMonster.Scripts;
using CSNetwork.GPDataType;
using UnityEngine;

using CombinedActMap = System.Collections.Generic.Dictionary<string, object>;
using CoGfxMap = System.Collections.Generic.Dictionary<string, object>;
using ConvexHullDataArray = System.Collections.Generic.List<object>;
using ECModelHookMap = System.Collections.Generic.Dictionary<string, object>;
using BrewMonster;

public enum ECMScript
{
    enumECMScriptStartAction = 0,
    enumECMScriptEndActioin,
    enumECMScriptInit,
    enumECMScriptRelease,
    enumECMScriptModelLoaded,
    enumECMScriptChangeEquip,
    enumECMScriptChangeEquipTableInit,
    enumECMScriptPhysBreak,
    enumECMScriptCount
}

public enum ECMScriptVar
{
    enumECMVarModel = 0,
    enumECMVarActName,
    enumECMVarActChannel,
    enumECMVarEquipId,
    enumECMVarEquipFlag,
    enumECMVarFashionMode,
    enumECMVarPathId,
    enumECMVarId,
    enumECMVarEquipIndex,
    enumECMVarBreakOffsetX,
    enumECMVarBreakOffsetY,
    enumECMVarBreakOffsetZ,
    enumECMVarCasterId,
    enumECMVarCastTargetId,
    enumECMVarSelf,
    enumECMVarCount
}

public static class CECModelConstants
{
    public const int ECM_SCRIPT_MAX_VAR_COUNT = 8;
    public const int OUTER_DATA_COUNT = 8;
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct ECM_SCRIPT_VAR
{
    [MarshalAs(UnmanagedType.I4)]
    public int var_count;

    [MarshalAs(UnmanagedType.ByValArray, SizeConst = CECModelConstants.ECM_SCRIPT_MAX_VAR_COUNT)]
    public int[] var_index;
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct BoneScale
{
    public int m_nIndex;
    public int m_nType;
    public A3DVECTOR3 m_vScale;
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct BoneScaleEx
{
    public int m_nIndex;
    public float m_fLenFactor;
    public float m_fThickFactor;
    public float m_fWholeFactor;
}

public class ActChannelInfo
{
    public List<string> bone_names = new List<string>();
    public List<int> joint_indices = new List<int>();

    public ActChannelInfo Clone()
    {
        return new ActChannelInfo
        {
            bone_names = new List<string>(bone_names),
            joint_indices = new List<int>(joint_indices)
        };
    }
}

public enum A3DBLEND
{
    A3DBLEND_SRCALPHA,
    A3DBLEND_INVSRCALPHA
}

public struct A3DSHADER
{
    public A3DBLEND SrcBlend;
    public A3DBLEND DestBlend;
}

public class CECModelStaticData
{
    private string m_strFilePath = string.Empty;
    private string m_strSkinModelPath = string.Empty;
    private bool m_bAutoUpdate = true;
    private bool m_bActMapped;
    private readonly CombinedActMap m_ActionMap = new CombinedActMap();
    private uint m_dwVersion;
    private string m_strHook = string.Empty;
    private string m_strCCName = string.Empty;
    private readonly List<BoneScale> m_BoneScales = new List<BoneScale>();
    private readonly List<BoneScaleEx> m_BoneScaleExArr = new List<BoneScaleEx>();
    private string m_strScaleBaseBone = string.Empty;
    private uint m_OrgColor = 0xFFFFFFFF;
    private uint m_EmissiveColor = 0;
    private float m_fDefPlaySpeed = 1.0f;
    private A3DSHADER m_BlendMode = new A3DSHADER
    {
        SrcBlend = A3DBLEND.A3DBLEND_SRCALPHA,
        DestBlend = A3DBLEND.A3DBLEND_INVSRCALPHA
    };
    private readonly float[] m_OuterData = new float[CECModelConstants.OUTER_DATA_COUNT];
    private bool m_bCanCastShadow = true;
    private bool m_bRenderSkinModel = true;
    private bool m_bRenderEdge = true;
    private readonly CoGfxMap m_CoGfxMap = new CoGfxMap();
    private readonly ConvexHullDataArray m_ConvexHullDataArr = new ConvexHullDataArray();
    private readonly A3DAABB m_CHAABB = new A3DAABB();
    private readonly Dictionary<int, ActChannelInfo> m_ChannelInfoDict = new Dictionary<int, ActChannelInfo>();
    private readonly Dictionary<int, uint> m_EventMasks = new Dictionary<int, uint>();
    private readonly string[] m_Scripts = new string[(int)ECMScript.enumECMScriptCount];
    private readonly bool[] m_ScriptEnable = new bool[(int)ECMScript.enumECMScriptCount];
    private readonly CLuaMemTbl m_ScriptMemTbl = new CLuaMemTbl();
    private bool m_bInitGlobalScript;
    private string m_strGlobalScriptName = string.Empty;

    public class ChildInfo
    {
        public string m_strName = string.Empty;
        public string m_strPath = string.Empty;
        public string m_strHHName = string.Empty;
        public string m_strCCName = string.Empty;
    }

    private readonly List<ChildInfo> m_ChildInfoArray = new List<ChildInfo>();
    private readonly List<string> m_AdditionalSkinLst = new List<string>();
    private string m_strPhysFileName = string.Empty;
    private object m_pPhysSyncData;
    private readonly ECModelHookMap m_ECModelHookMap = new ECModelHookMap();
    private string m_strPixelShader = string.Empty;
    private string m_strShaderTex = string.Empty;
    private readonly List<object> m_vecPSConsts = new List<object>();

    public CECModelStaticData()
    {
        ResetOuterData();
        m_CHAABB.Clear();
    }

    public bool LoadData(string szModelFile, bool bLoadAdditionalSkin)
    {
        throw new NotImplementedException("CECModelStaticData.LoadData requires the legacy AFile system to be ported.");
    }

    public bool Save(string szFile, CECModel pModel)
    {
        throw new NotImplementedException("CECModelStaticData.Save requires the legacy serialization pipeline to be ported.");
    }

    public bool SaveBoneScaleInfo(string szFile)
    {
        throw new NotImplementedException("CECModelStaticData.SaveBoneScaleInfo is not yet implemented.");
    }

    public void Release()
    {
        m_BoneScales.Clear();
        m_BoneScaleExArr.Clear();
        m_CoGfxMap.Clear();
        m_ActionMap.Clear();
        m_AdditionalSkinLst.Clear();
        m_ChildInfoArray.Clear();
        m_ConvexHullDataArr.Clear();
        m_ChannelInfoDict.Clear();
        m_EventMasks.Clear();
        Array.Clear(m_Scripts, 0, m_Scripts.Length);
        Array.Clear(m_ScriptEnable, 0, m_ScriptEnable.Length);
        m_ECModelHookMap.Clear();
        m_vecPSConsts.Clear();
        m_bInitGlobalScript = false;
        m_strGlobalScriptName = string.Empty;
        m_pPhysSyncData = null;
        m_CHAABB.Clear();
        ResetOuterData();
    }

    public ConvexHullDataArray GetConvexHullData() => m_ConvexHullDataArr;

    public bool HasCHAABB() => m_ConvexHullDataArr.Count != 0;

    public A3DAABB GetCHAABB() => m_CHAABB;

    public bool UpdateScript(int index, string strScript, bool bCompileOnly)
    {
        if (index < 0 || index >= (int)ECMScript.enumECMScriptCount)
            return false;

        if (!bCompileOnly)
            m_Scripts[index] = strScript ?? string.Empty;

        m_ScriptEnable[index] = !string.IsNullOrEmpty(m_Scripts[index]);
        return m_ScriptEnable[index];
    }

    public CoGfxMap GetCoGfxMap() => m_CoGfxMap;

    public CombinedActMap GetCombinedActMap() => m_ActionMap;

    public string GetPhysFileName() => m_strPhysFileName;

    public void SetPhysFileName(string szFile) => m_strPhysFileName = szFile ?? string.Empty;

    public object GetPhysSyncData() => m_pPhysSyncData;

    public void SetPhysSyncData(object p) => m_pPhysSyncData = p;

    public uint GetVersion() => m_dwVersion;

    public string GetPixelShaderPath() => m_strPixelShader;

    public void SetPixelShaderPath(string szPath) => m_strPixelShader = szPath ?? string.Empty;

    public string GetShaderTexture() => m_strShaderTex;

    public void SetShaderTexture(string szPath) => m_strShaderTex = szPath ?? string.Empty;

    public IList<object> GetPSConstVec() => m_vecPSConsts;

    public void SetActionEventMask(int nChannel, uint dwMask) => m_EventMasks[nChannel] = dwMask;

    public uint GetActionEventMask(int nChannel)
    {
        return m_EventMasks.TryGetValue(nChannel, out uint mask) ? mask : uint.MaxValue;
    }

    public IReadOnlyDictionary<int, uint> GetActionEventMaskSnapshot() => m_EventMasks;

    public void OnScriptEndAction(CECModel pModel, int nChannel, string szActName)
    {
        if (!IsScriptEnabled(ECMScript.enumECMScriptEndActioin))
            return;

        Debug.LogWarning($"CECModelStaticData.OnScriptEndAction invoked for {szActName}, scripting runtime not yet ported.");
    }

    public void Reset()
    {
        m_OrgColor = 0xFFFFFFFF;
        m_EmissiveColor = 0;
        m_fDefPlaySpeed = 1.0f;
        m_BlendMode = new A3DSHADER
        {
            SrcBlend = A3DBLEND.A3DBLEND_SRCALPHA,
            DestBlend = A3DBLEND.A3DBLEND_INVSRCALPHA
        };

        ResetOuterData();
        m_BoneScales.Clear();
        m_BoneScaleExArr.Clear();
        m_strScaleBaseBone = string.Empty;
        m_ChannelInfoDict.Clear();
        m_strPhysFileName = string.Empty;
    }

    public void AddScriptMethod(int index, string szScript)
    {
        if (index < 0 || index >= (int)ECMScript.enumECMScriptCount)
            return;

        m_ScriptEnable[index] = !string.IsNullOrEmpty(szScript);
    }

    public void OnScriptPlayAction(CECModel pModel, int nChannel, string szActName)
    {
        if (!IsScriptEnabled(ECMScript.enumECMScriptStartAction))
            return;

        Debug.LogWarning($"CECModelStaticData.OnScriptPlayAction triggered for {szActName}, scripting runtime not available.");
    }

    public void OnScriptChangeEquip(CECModel pModel, int nEquipId, int nEquipFlag, bool bFashionMode, int nPathId, int nEquipIndex)
    {
        if (!IsScriptEnabled(ECMScript.enumECMScriptChangeEquip))
            return;

        Debug.LogWarning("CECModelStaticData.OnScriptChangeEquip called, scripting runtime not available.");
    }

    public void OnScriptPhysBreak(CECModel pModel, float fBreakOffsetX, float fBreakOffsetY, float fBreakOffsetZ)
    {
        if (!IsScriptEnabled(ECMScript.enumECMScriptPhysBreak))
            return;

        Debug.LogWarning("CECModelStaticData.OnScriptPhysBreak called, scripting runtime not available.");
    }

    public void InitGlobalScript()
    {
        if (m_bInitGlobalScript)
            return;

        if (!IsScriptEnabled(ECMScript.enumECMScriptInit))
            return;

        m_bInitGlobalScript = true;
        m_strGlobalScriptName = $"GlobalScriptFunc_{DateTime.UtcNow.Ticks}";
    }

    public bool LoadAdditionalSkin(object pFile, uint dwVersion, bool bLoadAdditionalSkin)
    {
        Debug.LogWarning("CECModelStaticData.LoadAdditionalSkin stub invoked.");
        return true;
    }

    public IList<string> GetAdditionalSkinList() => m_AdditionalSkinLst;

    public IList<ChildInfo> GetChildInfoArray() => m_ChildInfoArray;

    public float[] GetOuterData() => m_OuterData;

    public bool CanCastShadow => m_bCanCastShadow;
    public bool CanRenderSkinModel => m_bRenderSkinModel;
    public bool CanRenderEdge => m_bRenderEdge;

    private bool IsScriptEnabled(ECMScript scriptId)
    {
        int idx = (int)scriptId;
        if (idx < 0 || idx >= m_ScriptEnable.Length)
            return false;
        return m_ScriptEnable[idx];
    }

    private void ResetOuterData()
    {
        for (int i = 0; i < m_OuterData.Length; i++)
            m_OuterData[i] = 1.0f;
    }
}

public class CLuaMemTbl
{
    public void Init(string tableName) { }
    public bool AddMethod(string name, IList<string> args, string script) => false;
    public void RemoveMethod(string name) { }
    public void Release() { }
}

public class CECModel
{
    private const uint COMACT_FLAG_MODE_NONE = 0;
    protected CECModelStaticData m_pMapModel;
    public void ClearComActFlag(bool bSignalCurrent) { ClearComActFlag(0, bSignalCurrent); }
    public void ClearComActFlag(int nChannel, bool bSignalCurrent)
    {
        /*   ChannelAct & ca = m_ChannelActs[nChannel];
           ChannelActNode* pNode = ca.GetHighestRankNode();

           if (pNode)
           {
               if (pNode->m_pActFlag && bSignalCurrent)
                   *pNode->m_pActFlag = true;

               //ca.m_dwFlagMode = COMACT_FLAG_MODE_NONE;
               pNode->m_pActFlag = NULL;
           }*/
    }
    public bool QueueAction(CECNPC.INFO iNFO, string szActName, ref bool pNewActFlag, int nTransTime = 200, uint dwUserData = 0, bool bForceStopPrevAct = false, bool bCheckTailDup = false, bool bNoFx = false, bool bResetSpeed = false
    /*joslian*/, bool bResetActFlag = false, uint dwNewFlagMode = COMACT_FLAG_MODE_NONE)
    {
        QueueAction(iNFO, 0, szActName, ref bResetActFlag, nTransTime, dwUserData, bForceStopPrevAct, bCheckTailDup, bNoFx, bResetSpeed/*joslian*/, pNewActFlag, dwNewFlagMode);
        return true;
    }
    public bool QueueAction(CECNPC.INFO iNFO, int nChannel, string szActName, ref bool pNewActFlag, int nTransTime, uint dwUserData/* 0 */, bool bForceStopPrevAct, bool bCheckTailDup, bool bNoFx, bool bResetSpeed
    /*joslian*/, bool bResetActFlag, uint dwNewFlagMode)
    {

        EventBus.PublishChannel(iNFO.nid, new QueueNPCActionEvent(szActName));
        return true;
    }
    public void StopChannelAction(int nChannel, bool bStopAct, bool bStopFx = false)
    {
        //TODO: Implement StopChannelAction
    }
    public struct QueueNPCActionEvent
    {
        public string AnimationName;
        public QueueNPCActionEvent(string animationName)
        {
            AnimationName = animationName;
        }
    }
    public bool HasCHAABB() { return m_pMapModel.HasCHAABB(); }

    public void PlayGfx(string szPath, string szHook, float fScale, bool bFadeOut, A3DVECTOR3 vOffset, float fPitch, float fYaw, float fRot, bool bUseECMHook, uint dwFadeOutTime)
    {
        if (!bFadeOut)
            dwFadeOutTime = 0;
        string strKey = szPath;
        strKey += szHook;


        // PGFX_INFO pInfo;
        //
        // CoGfxMap::iterator it =	m_CoGfxMap.find(strKey);
        // if (bUseECMHook) {
        //     if (CECModelHook* pHook = GetECMHook(szHook))
        //     {
        //         fScale *= pHook->GetScaleFactor();
        //     }
        // }
        //
        // if (it != m_CoGfxMap.end())
        // {
        //     pInfo = it->second;
        //     A3DGFXEx* pGfx = pInfo->GetGfx();
        //     TransferEcmProperties(pGfx);
        //     pGfx->SetScale(fScale * m_fGfxScaleFactor);
        //     pInfo->SetFadeOutTime(dwFadeOutTime);
        //     pInfo->SetModelAlpha(true);
        //     pInfo->SetHookName(szHook);
        //     pInfo->SetUseECMHook(bUseECMHook);
        //     pInfo->SetScale(fScale);
        //     pInfo->SetOffset(vOffset);
        //     pInfo->SetPitch(fPitch);
        //     pInfo->SetYaw(fYaw);
        //     pInfo->SetRot(fRot);
        //     pInfo->BuildTranMat();
        //     pGfx->SetSfxPriority(m_nSfxPriority);
        //     pGfx->Start(true);
        //     return;
        // }
        //
        // pInfo = new GFX_INFO(NULL);
        // pInfo->SetFilePath(szPath);
        // pInfo->SetHookName(szHook);
        // pInfo->SetUseECMHook(bUseECMHook);
        // pInfo->SetScale(fScale);
        // pInfo->Init(m_pA3DDevice);
        // pInfo->SetOffset(vOffset);
        // pInfo->SetPitch(fPitch);
        // pInfo->SetYaw(fYaw);
        // pInfo->SetRot(fRot);
        // pInfo->LoadGfx();
        //
        // if (!pInfo->GetGfx())
        // {
        //     delete pInfo;
        //     return;
        // }
        //
        // pInfo->BuildTranMat();
        // pInfo->SetFadeOutTime(dwFadeOutTime);
        // pInfo->SetModelAlpha(true);
        // TransferEcmProperties(pInfo->GetGfx());
        // pInfo->GetGfx()->SetScale(fScale * m_fGfxScaleFactor);
        // pInfo->GetGfx()->SetSfxPriority(m_nSfxPriority);
        // pInfo->GetGfx()->Start(true);
        //
        // m_CoGfxMap[strKey] = pInfo;
    }
}
//	Action channel
public enum ActionChannel
{
    ACTCHA_WOUND = 1,
};