using Google.Protobuf.WellKnownTypes;
using ServerCommon;
using ServerCore; using ServerBase;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GameServer
{
    internal static class BuildingFloorHelper
    {
        public static async Task<(Result, BuildingFloorInfo)> tryGetBuildingFloorInfo(this BuildingFloor buildingFloor)
        {
            var result = new Result();
            var err_msg = string.Empty;

            var building_floor_info = new BuildingFloorInfo();

            var building_floor_attribute = buildingFloor.getEntityAttribute<BuildingFloorAttribute>();
            NullReferenceCheckHelper.throwIfNull(building_floor_attribute, () => $"building_floor_attribute is null !!!");

            (result, var nickname_attrib) = await NicknameDoc.findNicknameFromGuid(building_floor_attribute.OwnerGuid);
            if (result.isFail())
            {
                err_msg = $"Failed to findNicknameFromGuid() !!! : userGuid:{building_floor_attribute.OwnerGuid}, {result.toBasicString()}";
                Log.getLogger().error(err_msg);

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

            building_floor_info.Floor = (int)building_floor_attribute.Floor;
            building_floor_info.InstanceName = building_floor_attribute.InstanceName;
            building_floor_info.RenteeUserGuid = building_floor_attribute.OwnerGuid;
            building_floor_info.RenteeUserNickname = nickname_attrib.Nickname;
            building_floor_info.RentalFinishTime = building_floor_attribute.RentalFinishTime.ToTimestamp();

            return (result, building_floor_info);
        }

        public static async Task<(Result, BuildingFloor?, DynamoDbDocBase?)> tryMakeBuildingFloor(Building building, RentFloorRequestInfo rentFloorRequestInfo)
        {
            var result = new Result();
            var err_msg = string.Empty;

            var building_floor = new BuildingFloor(building);
            await building_floor.onInit();

            var building_floor_attribute = building_floor.getEntityAttribute<BuildingFloorAttribute>();
            NullReferenceCheckHelper.throwIfNull(building_floor_attribute, () => $"building_floor_attribute is null !!!");

            var rental_period = TimeSpan.FromDays(rentFloorRequestInfo.RentalPeriod);

            building_floor_attribute.LandMetaId = rentFloorRequestInfo.LandId;
            building_floor_attribute.BuildingMetaId = rentFloorRequestInfo.BuildingId;
            building_floor_attribute.Floor = rentFloorRequestInfo.Floor;
            building_floor_attribute.OwnerGuid = rentFloorRequestInfo.OwnerGuid;
            building_floor_attribute.MyhomeGuid = rentFloorRequestInfo.MyhomeGuid;
            building_floor_attribute.InstanceName = rentFloorRequestInfo.InstanceName;
            building_floor_attribute.ThumbnailImageId = rentFloorRequestInfo.ThumbnailImageId;
            building_floor_attribute.ListImageId = rentFloorRequestInfo.ListImageId;
            building_floor_attribute.EnterPlayerCount = rentFloorRequestInfo.EnterPlayerCount;
            building_floor_attribute.RentalPeriod = rental_period;
            building_floor_attribute.RentalStartTime = rentFloorRequestInfo.RentalStartTime.ToDateTime();
            building_floor_attribute.RentalFinishTime = rentFloorRequestInfo.RentalFinishTime.ToDateTime();
            building_floor_attribute.modifiedEntityAttribute(true);

            (result, var building_floor_doc) = await building_floor_attribute.toDocBase();
            if (result.isFail())
            {
                err_msg = $"Failed to toDocBase() !!! : {result.toBasicString()}";
                Log.getLogger().error(err_msg);

                return (result, null, null);
            }

            return (result, building_floor, building_floor_doc);
        }
    }
}