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


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


namespace GameServer;

public static class CaliumStorageHelper
{
    public const double FixedExchangeRate = 0.01;
    
    public static DateTime CurrentPivotTimeDate(DateTime? customDate = null)
    {
        var current = customDate ?? DateTimeHelper.Current;

        if (current.Hour < ServerCommon.MetaHelper.GameConfigMeta.CaliumConverterPivotTime)
        {
            current = current.AddDays(-1);
        }

        return new DateTime(current.Year, current.Month, current.Day, ServerCommon.MetaHelper.GameConfigMeta.CaliumConverterPivotTime, 0, 0);
    }

    public static async Task<double> calculateCaliumFromSapphire(double sapphire, bool isCeiling = false)
    {
        // 1. 기본 정보 조회
        var calium_storage_entity = GameServerApp.getServerLogic().findGlobalEntity<CaliumStorageEntity>();
        NullReferenceCheckHelper.throwIfNull(calium_storage_entity, () => "calium_storage_entity is null !!!");

        var calium_storage_action = calium_storage_entity.getEntityAction<CaliumStorageAction>();
        NullReferenceCheckHelper.throwIfNull(calium_storage_action, () => $"calium_storage_action is null !!! - {calium_storage_entity.toBasicString()}");

        var info = await calium_storage_action.getCaliumStorageInfo();
        
        // 2. calium 교환비 계산 : (사파이어 * 고정 교환비) / 인플레이션 가중치(당일, % 처리)
        var calium = MultiplyDoubleByLong(sapphire, FixedExchangeRate);
        calium /= info.DailyInflationRate / 100;
        
        // 3. 소수점 2자리수에서 판매는 올림 / 교환은 버림
        calium = isCeiling ? roundUpDefaultDigitsFromDouble(calium) : roundDownDefaultDigitsFromDouble(calium);
        
        Log.getLogger().debug($"calculateCaliumFromSapphire !! : sapphire[{sapphire}] / calium[{calium}] / isCeiling[{isCeiling}] / swap_rate[{info.DailyInflationRate}]");

        return calium;
    }
    
    public static bool compareDoubleByLong(double first, double second)
    {
        var first_long = (long)(roundHalfUpDefaultDigitsFromDouble(first) * EchoSystemHelper.DoubleCalculateDigitsLong);
        var second_long = (long)(roundHalfUpDefaultDigitsFromDouble(second) * EchoSystemHelper.DoubleCalculateDigitsLong);

        return first_long == second_long;
    }

    public static double roundHalfUpDefaultDigitsFromDouble(double value)
    {
        var default_value = Math.Round(value * EchoSystemHelper.DoubleCalculateDigitsLong, 0);
        
        var value_long = (long)default_value;
        return value_long / (double)EchoSystemHelper.DoubleCalculateDigitsLong;
    }

    public static double roundDownDefaultDigitsFromDouble(double value)
    {
        var value_long = (long)(value * EchoSystemHelper.DoubleCalculateDigitsLong);
        return value_long / (double)EchoSystemHelper.DoubleCalculateDigitsLong;
    }
    
    public static double roundUpDefaultDigitsFromDouble(double value)
    {
        var default_value = Math.Ceiling(value * EchoSystemHelper.DoubleCalculateDigitsLong);
        
        var value_long = (long)default_value;
        return value_long / (double)EchoSystemHelper.DoubleCalculateDigitsLong;
    }

    public static double AddDoubleByLong(double first, double second)
    {
        var first_long = (long)(first * EchoSystemHelper.DoubleCalculateDigitsLong);
        var second_long = (long)(second * EchoSystemHelper.DoubleCalculateDigitsLong);

        var add = first_long + second_long;

        return add / (double)EchoSystemHelper.DoubleCalculateDigitsLong;
    }
    
    public static double SubTractDoubleByLong(double first, double second)
    {
        var first_long = (long)(first * EchoSystemHelper.DoubleCalculateDigitsLong);
        var second_long = (long)(second * EchoSystemHelper.DoubleCalculateDigitsLong);

        var add = first_long - second_long;

        return add / (double)EchoSystemHelper.DoubleCalculateDigitsLong;
    }
    
    public static double MultiplyDoubleByLong(double first, double second)
    {
        var first_long = (long)(first * EchoSystemHelper.DoubleCalculateDigitsLong);
        var second_long = (long)(second * EchoSystemHelper.DoubleCalculateDigitsLong);

        var mul = first_long * second_long;

        return mul / (double)(EchoSystemHelper.DoubleCalculateDigitsLong * EchoSystemHelper.DoubleCalculateDigitsLong);
    }
    
    public static void writeFailEchoSystemLog(IWithLogActor logActor, CaliumEchoSystemFailLogData log)
    {
        var log_action = new LogActionEx(LogActionType.FailCaliumEchoSystem);
        var invokers = new List<ILogInvoker>();
        invokers.Add(new CaliumEchoSystemFailBusinessLog(log));
        
        BusinessLogger.collectLogs(log_action, logActor, invokers);
    }
    
    public static async Task<CaliumEventRequest> makeCaliumEventRequest(CaliumStorageEntity owner, CaliumEventType type, string subType, string userNickname, double sapphireDelta, double caliumDelta)
    {
        var storage_action = owner.getEntityAction<CaliumStorageAction>();
        NullReferenceCheckHelper.throwIfNull(storage_action, () => $"calium_storage_action is null !!! - {owner.toBasicString()}");

        var storage = await storage_action.getCaliumStorageInfo();
        
        var request = new CaliumEventRequest();
        request.m_server_type = CaliumWeb3Action.SERVER_TYPE;
        request.m_event_type = type.ToString();
        request.m_sub_type = subType;
        request.m_div_id = userNickname;
        request.m_calium_delta = caliumDelta;
        request.m_sapphire_delta = sapphireDelta;
        request.m_current_epoch = storage.DailyApplyEpoch;
        request.m_current_inflation_rate = storage.DailyInflationRate;

        return request;
    }
    
    public static CaliumEventRequest makeCaliumEventRequest(CaliumEventDoc sendDoc)
    {
        var attrib = sendDoc.getAttrib<CaliumEventAttrib>();
        NullReferenceCheckHelper.throwIfNull(attrib, () => $"calium_event_attrib is null !!! - {sendDoc.toBasicString()}");
        
        // 2. echoSystem 전송
        var request = new CaliumEventRequest();
        request.m_event_id = sendDoc.getCombinationKeyForSK();
        request.m_server_type = attrib.EventData.m_server_type;
        request.m_event_type = attrib.EventData.m_event_type;
        request.m_sub_type = attrib.EventData.m_sub_type;
        request.m_div_type = attrib.EventData.m_div_type;
        request.m_div_id = attrib.EventData.m_div_id;
        request.m_calium_delta = attrib.EventData.m_calium_delta;
        request.m_sapphire_delta = attrib.EventData.m_sapphire_delta;
        request.m_current_epoch = attrib.EventData.m_current_epoch;
        request.m_current_inflation_rate = attrib.EventData.m_current_inflation_rate;

        return request;
    }
}