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

namespace EAIAdminDAL.CustomCode
{
    public interface IEAIContextSettingDAL
    {
        Task<IEnumerable<EAIContextSettingDTO>> GetSettingListAsync(
            int contextKeyDefinitionId, LoginDTO login, CancellationToken ct = default);

        Task<EAIContextSettingDTO?> GetSettingAsync(
            int contextSettingId, LoginDTO login, CancellationToken ct = default);

        Task<int> InsertSettingAsync(
            EAIContextSettingDTO dto, int ownerTenantId, LoginDTO login, CancellationToken ct = default);

        Task UpdateSettingAsync(
            EAIContextSettingDTO dto, LoginDTO login, CancellationToken ct = default);

        Task DeleteSettingAsync(
            int contextSettingId, LoginDTO login, CancellationToken ct = default);

        /// <summary>Resolver read path — every MEAICONTEXTSETTING row that could possibly match
        /// this request (Global + this tenant's matching ClientAttribute/Client/Role/OU/User
        /// rows). Ranking/composition happens in IEAIContextResolver, not here.</summary>
        Task<IEnumerable<EAIContextSettingCandidateDTO>> GetCandidateSettingsForResolutionAsync(
            int tenantId, int roleId, int workOUId, int userId,
            IReadOnlyList<string> classificationValues, LoginDTO login, CancellationToken ct = default);

        Task<IEnumerable<EAIClientClassificationEntryDTO>> GetClassificationValuesForTenantAsync(
            int tenantId, LoginDTO login, CancellationToken ct = default);

        /// <summary>Local MUSER lookup — the resolver's only dependency on user identity beyond
        /// what the caller already supplies. Not FrameworkDAL.IUserDAL: that lives in a separate,
        /// standalone host process not referenced by PlatformHost (same boundary that made
        /// EAIAdmin its own module in Part 1). Returns null if the user doesn't exist in this
        /// tenant.</summary>
        Task<EAIUserRoleOuDTO?> GetUserRoleAndOuAsync(
            int userId, int tenantId, LoginDTO login, CancellationToken ct = default);
    }
}