using HrynCo.NotificationService.DAL.Abstract.Templates;

namespace HrynCo.NotificationService.Web.Controllers.Api.Services;

internal static class NotificationServiceRequestMapping
{
    public static NotificationServiceInfo Map(Guid? id, string name, IReadOnlyList<ServiceLanguageRequest>? languages, Guid revision)
    {
        if (languages is null || languages.Any(l => l is null))
            throw new EmailTemplateWriteException("languages must be a JSON array without null elements.", false);
        if (id is null && languages.Any(l => l.Id != Guid.Empty))
            throw new EmailTemplateWriteException("New services cannot reference persisted language IDs.", false);
        return new NotificationServiceInfo
        {
            Id = id ?? Guid.Empty, Name = name, Revision = revision,
            Languages = languages.Select(l => new ServiceLanguageInfo { Id = l.Id, Code = l.Code }).ToList()
        };
    }
}