using FluentValidation;
using Microsoft.Extensions.Options;

namespace PnvPanel.Application.Plans;

public sealed class ChangePlanCommandValidator : AbstractValidator<ChangePlanCommand>
{
    public ChangePlanCommandValidator(IOptions<PlansOptions> plansOptions)
    {
        RuleFor(x => x)
            .Must(x => x.PlanId.HasValue ^ x.CustomConfigCount.HasValue)
            .WithMessage("Укажите либо PlanId, либо CustomConfigCount — ровно одно из двух.");

        When(
            x => x.CustomConfigCount.HasValue,
            () =>
                RuleFor(x => x.CustomConfigCount!.Value)
                    .InclusiveBetween(plansOptions.Value.MinCustomConfigCount, plansOptions.Value.MaxCustomConfigCount)
        );

        RuleFor(x => x.ConfigIdsToRevoke).Must(ids => ids.Distinct().Count() == ids.Count);
    }
}