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 BuildingRentalHistoryHelper
    {
        public static async Task<BuildingRentalHistoryInfo> toBuildingRentalHistoryInfo(this BuildingRentalHistory buildingRentalHistory)
        {
            var result = new Result();

            var building_rental_history_attribute = buildingRentalHistory.getEntityAttribute<BuildingRentalHistoryAttribute>();
            NullReferenceCheckHelper.throwIfNull(building_rental_history_attribute, () => $"building_rental_history_attribute is null !!!");

            var building_rental_history_info = new BuildingRentalHistoryInfo
            {
                HistoryDate = building_rental_history_attribute.RentalTime.ToTimestamp(),
                UserGuid = building_rental_history_attribute.RenteeUserGuid,
                RentalPeriod = building_rental_history_attribute.RentalPeriod,
                Floor = (int)building_rental_history_attribute.Floor,
            };

            (result, var nickname_attrib) = await NicknameDoc.findNicknameFromGuid(building_rental_history_attribute.RenteeUserGuid);
            if (result.isSuccess() && nickname_attrib != null)
            {
                building_rental_history_info.UserName = nickname_attrib.Nickname;
            }

            return building_rental_history_info;
        }

        public static async Task<(Result, BuildingRentalHistory?, DynamoDbDocBase?)> tryMakeBuildingRentalHistory(Building building, int buildingMetaId, int floor, string userGuid, DateTime rentalTime, int rentalPeriod)
        {
            var result = new Result();
            var err_msg = string.Empty;

            var building_rental_history = new BuildingRentalHistory(building);
            await building_rental_history.onInit();

            var building_rental_history_attribute = building_rental_history.getEntityAttribute<BuildingRentalHistoryAttribute>();
            NullReferenceCheckHelper.throwIfNull(building_rental_history_attribute, () => $"building_profit_history_attribute is null !!!");

            building_rental_history_attribute.BuildingMetaId = buildingMetaId;
            building_rental_history_attribute.Floor = floor;
            building_rental_history_attribute.RenteeUserGuid = userGuid;
            building_rental_history_attribute.RentalTime = rentalTime;
            building_rental_history_attribute.RentalPeriod = rentalPeriod;
            building_rental_history_attribute.newEntityAttribute();

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

                return (result, null, null);
            }

            return (result, building_rental_history, building_rental_history_doc);
        }
    }
}