using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;



using Google.Protobuf.WellKnownTypes;
using Newtonsoft.Json;
using StackExchange.Redis;


using ServerCore;
using ServerBase;


using META_ID = System.UInt32;


namespace ServerCommon;

public partial class CraftHelpCacheRequest : RedisRequestPrivateBase
{
    public static readonly double CRAFT_CACHE_EXPIRY_TIME = ConstValue.default_1_day_to_sec * ConstValue.default_1_sec_to_milisec;
    private string m_target_guid;

    public CraftHelpCacheRequest(UserBase owner, RedisConnector redisConnector, string target_guid)
        : base(owner, redisConnector)
    {
        m_target_guid = target_guid;
    }

    public async Task<Result> UpsertCraftHelp(string push_Guid)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var limitCount  = MetaHelper.GameConfigMeta.CraftingHelpLimitCountReceive;

        try
        {
            var database = getDatabase();

            string craftHelpListKey = onMakeKey();

            var pushAfterLength = await database.ListRightPushAsync(craftHelpListKey, push_Guid);
            if (pushAfterLength > limitCount)
            {
                await database.ListTrimAsync(craftHelpListKey, 0, limitCount - 1);
                var trimAfterPosition = await database.ListPositionAsync(craftHelpListKey, push_Guid);
                if (trimAfterPosition == -1)
                {
                    err_msg = $"Crafting help receieved Count Over !!! : push_Guid :{push_Guid}- {getOwner().toBasicString()}";
                    result.setFail(ServerErrorCode.CraftingHelpReceivedCountOver, err_msg);
                    Log.getLogger().error(err_msg);
                    return result;
                }
            }

            if(pushAfterLength == 1)
            {
                await database.KeyExpireAsync(craftHelpListKey, TimeSpan.FromMilliseconds(CRAFT_CACHE_EXPIRY_TIME));
            }

            return result;
        }
        catch (Exception e)
        {
            err_msg = $"Failed to set LoginCache in Redis !!! : : Exception:{e} - {getOwner().toBasicString()}";
            result.setFail(ServerErrorCode.TryCatchException, err_msg);
            Log.getLogger().error(err_msg);

            return result;
        }
    }

    protected override string onMakeKey()
    {
        return $"craftHelp:{m_target_guid}:{DateTime.UtcNow.Date}";
    }

    public override string toBasicString()
    {
        return $"craftHelp: In:UserGuid:{m_target_guid}";
    }
}