using Microsoft.EntityFrameworkCore;
using PnvPanel.Application.Common.Interfaces;
using LiteCqrs;
using PnvPanel.Application.Common.Models;

namespace PnvPanel.Application.Admin.Instructions;

public sealed class DeleteInstructionTabCommandHandler(IAppDbContext dbContext)
    : ICommandHandler<DeleteInstructionTabCommand, Result>
{
    public async Task<Result> Handle(
        DeleteInstructionTabCommand command,
        CancellationToken cancellationToken
    )
    {
        var tab = await dbContext.InstructionTabs.FirstOrDefaultAsync(
            t => t.Id == command.TabId,
            cancellationToken
        );
        if (tab is null)
            return Result.Failure(InstructionErrors.TabNotFound);

        dbContext.InstructionTabs.Remove(tab);
        return Result.Success();
    }
}