using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using FrameworkDAL.CustomCode.EntityViewer.DTOs;
using GB5Shared.DTO.Framework.Login;

namespace FrameworkBLL.EntityViewer
{
    public interface IEntityLayoutBLL
    {
        /// <summary>Upsert: EntityLayoutId = 0 creates a new header, otherwise updates the
        /// existing one (Title/TenantId/SortOrder/IsComponent).</summary>
        Task<string> SaveLayout(EntityLayoutDTO dto, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> DeleteLayout(int entityLayoutId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<EntityLayoutVersionDTO?> GetActiveLayout(string entityCode, LoginDTO loginDTO, CancellationToken ct = default);
        /// <summary>Upsert: EntityLayoutVersionId = 0 creates a new Draft version, otherwise
        /// updates the existing one in place — only while it's still Draft.</summary>
        Task<string> SaveLayoutVersion(EntityLayoutVersionDTO dto, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> DeleteLayoutVersion(int entityLayoutVersionId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> ActivateLayoutVersion(int entityLayoutVersionId, int entityLayoutId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<IReadOnlyList<EntityLayoutVersionDTO>> GetLayoutVersionList(int entityLayoutId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<IReadOnlyList<EntityLayoutListItemDTO>> GetLayoutList(bool isComponent, LoginDTO loginDTO, CancellationToken ct = default);
    }
}