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

namespace Application.Features.Admin.NavMenu.ToggleVisible;

public sealed class Handler(IAppDbContext db) : ICommandHandler<Command, Result>
{
    public async Task<Result> Handle(Command request, CancellationToken ct)
    {
        var item = await db.NavMenuItem.FirstOrDefaultAsync(c => c.ID == request.ID, ct);
        if (item is null)
        {
            return Result.Failure(Error.NotFound("NavMenu.NotFound", "메뉴를 찾을 수 없습니다."));
        }

        item.SetVisible(!item.IsVisible);

        await db.SaveChangesAsync(ct);

        return Result.Success();
    }
}