using CMSDAL.CustomCode.ContentContainer;
using CMSDAL.DTO.ContentContainer;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.Validation;

namespace FrameworkBLL.ContentContainer;
public class ContentContainerBLL : CMSBLL.ContentContainer.IContentContainerBLL
{
    private readonly IContentContainerDAL _dal;
    private readonly ICrossTenantGuard _guard;
    public ContentContainerBLL(IContentContainerDAL dal, ICrossTenantGuard guard)
    {
        _dal = dal;
        _guard = guard;
    }

    public async Task<string> GetByContentAsync(int contentId, LoginDTO loginDTO, CancellationToken ct) { try { return await _dal.GetByContentAsync(contentId, loginDTO, ct); } catch { throw; } }

    public async Task<string> SaveAsync(ContentContainerDTO dto, LoginDTO loginDTO, CancellationToken ct)
    {
        try
        {
            // Only a brand-new container attaches to a caller-supplied ContentId — an update to
            // an existing container is already tenant-scoped by ContentContainerQB.UPDATE_POSITION's
            // own WHERE clause. Without this check, any tenant could attach a container to another
            // tenant's Content row simply by guessing its ContentId.
            if (dto.ContentContainerId == 0)
            {
                var ownerTenantId = await _dal.GetContentTenantIdAsync(dto.ContentId, loginDTO, ct);
                _guard.EnsureOwnedByTenant(ownerTenantId, loginDTO.ClientId, "Content", dto.ContentId);
            }

            return await _dal.SaveAsync(dto, loginDTO, ct);
        }
        catch { throw; }
    }
    public async Task<string> ReorderAsync(int contentContainerId, short positionNo, LoginDTO loginDTO, CancellationToken ct) { try { return await _dal.ReorderAsync(contentContainerId, positionNo, loginDTO, ct); } catch { throw; } }
    public async Task<string> DeleteAsync(int contentContainerId, LoginDTO loginDTO, CancellationToken ct) { try { return await _dal.DeleteAsync(contentContainerId, loginDTO, ct); } catch { throw; } }
}