using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using WiBLL.WiExecution;
using static GB5Shared.GB5Constant.Constant;

namespace WiSL.EndPoints.WiExecution
{
    public class ResolveForEntity : BaseEndpoint<ResolveForEntity.Parameters, ResponseStandardDTO<object>>
    {
        private readonly IWiExecutionBLL _bll;

        public ResolveForEntity(IWiExecutionBLL bll)
        {
            _bll = bll;
        }

        public override void Configure()
        {
            Get("/Execution/ResolveForEntity");
            AllowAnonymous();
        }

        public record Parameters(
            [property: FromHeader] string Login,
            [property: QueryParam] int EntityType,
            [property: QueryParam] int EntityId,
            [property: QueryParam] int TriggerEvent
        );

        // Same reasoning as ResolveForWorkstation: TTL-only, no exact-key invalidation.
        // TriggerEvent is a caller-supplied resolve input, not assignment data, so
        // SaveAssignment/DeleteAssignment cannot reconstruct which cached
        // (EntityType, EntityId, TriggerEvent) keys a saved/deleted row affects —
        // especially when that row's EntityId is itself a -1 wildcard matching many
        // concrete entities. A 5-minute staleness window is an acceptable tradeoff for
        // "which SOP applies here" content, not a correctness/safety concern.
        protected override string? GetCacheKey(Parameters req, LoginDTO login)
            => $"Wi:ResolveEntity:{login.ClientId}:{req.EntityType}:{req.EntityId}:{req.TriggerEvent}";

        protected override int GetTtlSeconds() => TtlForLevel(CacheKeyLevel.CLIENT_LEVEL);

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            Parameters req, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var result = await _bll.ResolveForEntity(req.EntityType, req.EntityId, (WiDAL.DTOs.TriggerEvent)req.TriggerEvent, login, ct);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.CLIENT_LEVEL, login);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.CLIENT_LEVEL, login, ex.Message, 500);
            }
        }
    }
}