using System.Collections.Concurrent;
using System.Diagnostics.CodeAnalysis;


using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;


using static ClientToGameRes.Types;


namespace GameServer;

internal class MyhomeAgentAction : EntityActionBase
{
    ConcurrentDictionary<string, Myhome> m_myhomes = new();

    public MyhomeAgentAction(Player owner)
        : base(owner)
    { }

    public override async Task<Result> onInit()
    {
        await Task.CompletedTask;

        var result = new Result();

        return result;
    }

    public override void onClear()
    {
        m_myhomes.Clear();
    }

    public bool tryGetMyHome(string myhomeGuid, [MaybeNullWhen(false)] out Myhome myHome)
    {
        return m_myhomes.TryGetValue(myhomeGuid, out myHome);
    }

    public List<Myhome> getMyHomes()
    {
        return m_myhomes.Values.ToList();
    }

    public void addMyhome(string myhome_guid, Myhome myhome)
    {
        m_myhomes.TryAdd(myhome_guid, myhome);
    }

    public Result checkMyhomeSlot()
    {
        var result = new Result();
        var err_msg = string.Empty;

        var player = getOwner() as Player;
        ArgumentNullException.ThrowIfNull(player);

        var user_contents_setting_attribute = player.getEntityAttribute<UserContentsSettingAttribute>();
        ArgumentNullException.ThrowIfNull(user_contents_setting_attribute);

        var myhome_slot_opem_count = user_contents_setting_attribute.MyhomeSlotOpenCount;
        var current_myhome_count = m_myhomes.Count;

        if (current_myhome_count >= myhome_slot_opem_count)
        {
            err_msg = $"Myhome Not Enough Slot !!! : CurrentMyhomeCount:{current_myhome_count} >= MyhomeSlotOpenCount:{myhome_slot_opem_count} - {player.toBasicString()}";
            result.setFail(ServerErrorCode.MyhomeNotEnoughSlot, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        return result;
    }

    public async Task<Result> tryAddMyHomeFromDoc(MyhomeDoc myHomeDoc)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var server_logic = GameServerApp.getServerLogic();

        var player = getOwner() as Player;
        ArgumentNullException.ThrowIfNull(player);

        Myhome myhome = new(player.getUserGuid());
        await myhome.onInit();

        var myhome_attribute = myhome.getEntityAttribute<MyhomeAttribute>();
        ArgumentNullException.ThrowIfNull(myhome_attribute);

        if (!myhome_attribute.copyEntityAttributeFromDoc(myHomeDoc))
        {
            err_msg = $"Failed to copyEntityAttributeFromDoc() !!! to:{myhome_attribute.getTypeName()}, from:{myHomeDoc.getTypeName()} : {this.getTypeName()}";
            result.setFail(ServerErrorCode.DynamoDbDocCopyToEntityAttributeFailed, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        (result, var myhome_ugc_info) = await MyhomeHelper.getMyhomeUgcInfo(myhome_attribute);
        if (result.isFail())
        {
            err_msg = $"Fail to getMyhomeUgcInfo() !!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);

            return result;
        }

        myhome_attribute.UgcInfo = myhome_ugc_info!;

        if (!m_myhomes.TryAdd(myhome_attribute.MyhomeGuid, myhome))
        {
            err_msg = $"Failed to TryAdd() !!! : {myhome.toBasicString()} : {this.getTypeName()}";
            result.setFail(ServerErrorCode.MyHomeDocLoadDuplicatedMyHome, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        return result;
    }

    public async Task<(Result, Myhome?)> tryMakeDefaultMyhome()
    {
        var result = new Result();
        var err_msg = string.Empty;

        var player = getOwner() as Player;
        ArgumentNullException.ThrowIfNull(player);

        Myhome myhome = new(player.getUserGuid());
        await myhome.onInit();

        var myhome_action = myhome.getEntityAction<MyhomeAction>();
        ArgumentNullException.ThrowIfNull(myhome_action);

        var default_myhome_ugc_info_file_name = MetaHelper.GameConfigMeta.MyHomeDefaultSaveFileName;
        if (!MapManager.Instance.getDefaultMyhomeUgcInfo(default_myhome_ugc_info_file_name, out var myhome_ugc_info))
        {
            err_msg = $"Failed to getDefaultMyhomeUgcInfo() !!! : {default_myhome_ugc_info_file_name} : {this.getTypeName()}";
            result.setFail(ServerErrorCode.MyhomeUgcInfoFileNotFoune, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, null);
        }

        result = await myhome_action.tryMakeDefaultMyhome(myhome_ugc_info);
        if (result.isFail())
        {
            return (result, null);
        }

        var myhome_attribute = myhome.getEntityAttribute<MyhomeAttribute>();
        ArgumentNullException.ThrowIfNull(myhome_attribute);

        if (!m_myhomes.TryAdd(myhome_attribute.MyhomeGuid, myhome))
        {
            err_msg = $"Failed to TryAdd() !!! : {myhome.toBasicString()} : {this.getTypeName()}";
            result.setFail(ServerErrorCode.MyHomeAlreadyExist, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, null);
        }

        return (result, myhome);
    }

    public bool tryGetSelectedMyhome([MaybeNullWhen(false)] out Myhome myHome)
    {
        myHome = null;

        foreach (var myhome in m_myhomes.Values)
        {
            var myhome_attribute = myhome.getEntityAttribute<MyhomeAttribute>();
            if (myhome_attribute == null)
                continue;

            if (myhome_attribute.SelectedFlag == 1)
            {
                myHome = myhome;
                return true;
            }
        }

        return false;
    }

    public bool tryGetSelectedMyHomeAttribute([MaybeNullWhen(false)] out MyhomeAttribute myhomeAttribute)
    {
        myhomeAttribute = null;

        foreach (var myhome in m_myhomes.Values)
        {
            myhomeAttribute = myhome.getOriginEntityAttribute<MyhomeAttribute>();
            if (myhomeAttribute == null)
                continue;

            if (myhomeAttribute.SelectedFlag == 1)
            {
                return true;
            }
        }

        return false;
    }

    public (Result, ExchagneMyHomeRes, List<ILogInvoker>?) tryExchangeMyHome(string myhomeGuid)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var res = new ExchagneMyHomeRes();
        var business_logs = new List<ILogInvoker>();

        var player = getOwner() as Player;
        ArgumentNullException.ThrowIfNull(player, $"player is null !!!");

        if (!tryGetSelectedMyhome(out var selectedMyHome))
        {
            err_msg = $"Failed to tryGetSelectedMyHome() !!! - {player.toBasicString()}";
            result.setFail(ServerErrorCode.MyHomeNotFound, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, res, null);
        }

        if (!tryGetMyHome(myhomeGuid, out var myhome))
        {
            err_msg = $"Failed to tryGetMyHome() !!! : myhomeGuid:{myhomeGuid} - {player.toBasicString()}";
            result.setFail(ServerErrorCode.MyHomeNotFound, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, res, null);
        }

        var selected_myhome_action = selectedMyHome.getEntityAction<MyhomeAction>();
        ArgumentNullException.ThrowIfNull(selected_myhome_action, $"selected_myhome_action is null !!! - {player.toBasicString()}");

        var selected_myhome_attribute = selectedMyHome.getEntityAttribute<MyhomeAttribute>();
        ArgumentNullException.ThrowIfNull(selected_myhome_attribute, $"selected_myhome_attribute is null !!! - {player.toBasicString()}");
        
        var myhome_action = myhome.getEntityAction<MyhomeAction>();
        ArgumentNullException.ThrowIfNull(myhome_action, $"myhome_action is null !!! - {player.toBasicString()}");

        var myhome_attribute = myhome.getEntityAttribute<MyhomeAttribute>();
        ArgumentNullException.ThrowIfNull(myhome_attribute, $"myhome_attribute is null !!! - {player.toBasicString()}");

        var user_guid = player.getUserGuid();
        var old_myhome_guid = selected_myhome_attribute.MyhomeGuid;
        var new_myhome_guid = myhome_attribute.MyhomeGuid;

        selected_myhome_action.unselectMyHome();
        myhome_action.selectMyHome();

        var myhome_info = myhome_action.toMyHomeInfo();

        res.MyhomeInfo = myhome_info;

        var myhome_exchange_log_info = MyHomeBusinessLogHelper.toMyhomeExchangeLogInfo(user_guid, old_myhome_guid, new_myhome_guid);
        var myhome_exchange_business_log = new MyhomeExchangeBusinessLog(myhome_exchange_log_info);
        business_logs.Add(myhome_exchange_business_log);

        return (result, res, business_logs);
    }

    public async Task<(Result, Dictionary<string, EntityStateInfo>?, List<ILogInvoker>?)> tryDeleteMyhome(string myhomeGuid)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var business_logs = new List<ILogInvoker>();

        if (!tryGetMyHome(myhomeGuid, out var myhome))
        {
            err_msg = $"Failed to tryGetMyHome() !!! : myhomeGuid:{myhomeGuid}";
            result.setFail(ServerErrorCode.MyHomeNotFound, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, null, null);
        }

        var myhome_action = myhome.getEntityAction<MyhomeAction>();
        ArgumentNullException.ThrowIfNull(myhome_action, $"myhome_action is null !!!");

        (result, var modifyUgcNpcStateInfos, var delete_myhome_business_log) = await myhome_action.deleteMyhome();
        if (result.isFail())
        {
            err_msg = $"Failed to deleteMyhome() !!! : {result.toBasicString()} : {this.getTypeName()}";
            Log.getLogger().error(err_msg);

            return (result, null, null);
        }
        NullReferenceCheckHelper.throwIfNull(delete_myhome_business_log, () => $"delete_myhome_business_log is null !!!");

        result = await myhome_action.tryDeleteMyhomeUgcInfoFolderFileFromS3();
        if (result.isFail())
        {
            err_msg = $"Failed to tryDeleteMyhomeUgcInfoFolderFileFromS3() !!! : {result.toBasicString()} : {this.getTypeName()}";
            Log.getLogger().error(err_msg);

            return (result, null, null);
        }

        m_myhomes.Remove(myhomeGuid, out _);

        business_logs.AddRange(delete_myhome_business_log);

        return (result, modifyUgcNpcStateInfos, business_logs);
    }

    public (Result, List<ILogInvoker>?) tryRenameMyhome(string myhomeGuid, string newMyhomeName)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var business_logs = new List<ILogInvoker>();

        result = MyhomeHelper.checkMyhomeName(newMyhomeName);
        if (result.isFail())
        {
            err_msg = $"Failed to checkMyhomeName() !!! : {result.toBasicString()} : {this.getTypeName()}";
            Log.getLogger().error(err_msg);

            return (result, null);
        }

        foreach (var checkMyhome in m_myhomes.Values)
        {
            var check_myhome_attribute = checkMyhome.getEntityAttribute<MyhomeAttribute>();
            ArgumentNullException.ThrowIfNull(check_myhome_attribute, $"check_myhome_attribute is null !!!");

            if (check_myhome_attribute.MyhomeName == newMyhomeName)
            {
                err_msg = $"Myhome Name Duplicated !!! : newMyhomeName:{newMyhomeName} : {this.getTypeName()}";
                result.setFail(ServerErrorCode.MyhomeNameDuplicated, err_msg);
                Log.getLogger().error(result.toBasicString());

                return (result, null);
            }
        }

        if (!tryGetMyHome(myhomeGuid, out var myhome))
        {
            err_msg = $"Failed to tryGetMyHome() !!! : myhomeGuid:{myhomeGuid} : {this.getTypeName()}";
            result.setFail(ServerErrorCode.MyHomeNotFound, err_msg);
            Log.getLogger().error(result.toBasicString());

            return (result, null);
        }

        var myhome_attribute = myhome.getEntityAttribute<MyhomeAttribute>();
        ArgumentNullException.ThrowIfNull(myhome_attribute, $"myhome_attribute is null !!!");

        var old_myhome_name = myhome_attribute.MyhomeName;

        var myhome_action = myhome.getEntityAction<MyhomeAction>();
        ArgumentNullException.ThrowIfNull(myhome_action, $"myhome_action is null !!!");

        myhome_action.renameMyhome(newMyhomeName);

        var myhome_rename_log_info = MyHomeBusinessLogHelper.toMyhomeRenameLogInfo(myhomeGuid, old_myhome_name, newMyhomeName);
        var myhome_rename_business_log = new MyhomeRenameBusinessLog(myhome_rename_log_info);
        business_logs.Add(myhome_rename_business_log);

        return (result, business_logs);
    }

    public string getMyHomeGuidByAnchorGuid(string anchor_guid)
    {
        foreach(var myhome in m_myhomes)
        {
            if(myhome.Value.isAnchorInMyhome(anchor_guid) == true)
            {
                return myhome.Key;
            }
        }
        return string.Empty;
    }
}