using MaintenanceDAL.DTO.ActivityMaterial;
using GB5Shared.DTO.Framework.Login;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;

namespace MaintenanceBLL.ActivityMaterial
{
    public interface IActivityMaterialBLL
    {
        Task<ActivityMaterialDTO?> GetActivityMaterial(int activityMaterialId, LoginDTO login, CancellationToken ct);
        Task<IEnumerable<ActivityMaterialDTO>> GetActivityMaterialListByActivity(int activityId, LoginDTO login, CancellationToken ct);

        /// <summary>Batch upsert — each row is independently new-or-update by its own ActivityMaterialId, matching the legacy UI's "save the whole material list for one Activity" flow.</summary>
        Task<string> SaveActivityMaterialList(List<ActivityMaterialDTO> activityMaterialDTOs, LoginDTO login, CancellationToken ct);

        Task<string> DeleteActivityMaterial(int activityMaterialId, LoginDTO login, CancellationToken ct);
    }
}