using GB5Shared.DTO.Framework.Login;

namespace GB5Shared.Addon
{
    public class AddonResult
    {
        public int Id { get; set; }
        public string? FeAddon { get; set; }
    }

    public interface IAddonService
    {
        /// <summary>
        /// Returns the addon row for a single FK value as a JSON string (FeAddon).
        /// Returns null if no addon row exists for the given key.
        /// </summary>
        Task<string?> GetAddonJsonAsync(
            string addonTable,
            string fkColumn,
            int fkValue,
            LoginDTO loginDTO,
            CancellationToken ct = default);

        /// <summary>
        /// Returns addon JSON for multiple FK values in one query.
        /// Only entries that have addon rows are returned — missing entries mean no addon.
        /// </summary>
        Task<IEnumerable<AddonResult>> GetAddonJsonBatchAsync(
            string addonTable,
            string fkColumn,
            IEnumerable<int> fkValues,
            LoginDTO loginDTO,
            CancellationToken ct = default);
    }
}