using EAIAdminBLL.EAIContextResolver;
using EAIAdminDAL.DTO;
using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace EAIAdminSL.Endpoints
{
    // Fronted by EAIAdminApiKeyAuthMiddleware (exact-path allowlisted in PlatformHost/Program.cs)
    // — gbEAI calls this directly, no browser session, so `login` here is a placeholder and the
    // real tenant identity comes from req.Body.TenantId. See EAIContextResolver.ResolveContextAsync.
    public class ResolveEAIContext
        : BaseEndpoint<ResolveEAIContext.Parameters, ResponseStandardDTO<object>>
    {
        private readonly IEAIContextResolver _resolver;

        public ResolveEAIContext(IEAIContextResolver resolver) => _resolver = resolver;

        public override void Configure()
        {
            Post("/EAIAdmin/ResolveContext");
            AllowAnonymous();
            Description(b => b.WithTags("EAIAdmin"));
        }

        protected override string? GetCacheKey(Parameters req, LoginDTO login) => null;

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            Parameters req, LoginDTO login, CancellationToken ct)
        {
            var body = req.Body ?? throw new ArgumentNullException(nameof(req.Body));

            var result = await _resolver.ResolveContextAsync(body.TenantId, body.UserId, login, ct)
                .ConfigureAwait(false);

            return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                result, CacheKeyLevel.NOT_REQUIRED, login);
        }

        public record Parameters(
            [property: FromHeader] string? Login,
            [property: FromBody]   EAIResolveContextRequestDTO? Body);
    }
}