using Application.Abstractions.Messaging;
using Application.Abstractions.Data;
using SharedKernel.Results;
using Microsoft.EntityFrameworkCore;

namespace Application.Features.Admin.MemberGrade.Get;

public sealed class Handler(IAppDbContext db) : IQueryHandler<Query, Result<Response>>
{
    public async Task<Result<Response>> Handle(Query request, CancellationToken ct)
    {
        var item = await db.MemberGrade
            .AsNoTracking()
            .FirstOrDefaultAsync(x => x.ID == request.ID, ct);

        if (item is null)
        {
            return Result.Failure<Response>(Error.NotFound("MemberGrade.NotFound", "회원등급을 찾을 수 없습니다."));
        }

        return Result.Success(new Response(
            item.ID,
            item.KorName,
            item.EngName,
            item.Description,
            item.Order,
            item.Image,
            item.TextColor,
            item.RequiredExp,
            item.RequiredAttendance,
            item.IsActive,
            item.UpdatedAt,
            item.CreatedAt
        ));
    }
}