using FastEndpoints;
using FrameworkBLL.Taxonomy;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace FrameworkSL.Endpoints.Taxonomy.Subject
{
    public class GetSubject : BaseEndpoint<GetSubject.GetSubjectParameters, ResponseStandardDTO<object>>
    {
        private readonly ISubjectBLL _SubjectBLL;

        public GetSubject(ISubjectBLL subjectBLL)
        {
            _SubjectBLL = subjectBLL;
        }

        public override void Configure()
        {
            Get("/TaxonomySubject/GetSubject");
            AllowAnonymous();
        }

        public record GetSubjectParameters(
            [property: QueryParam] int SubjectId,
            [property: FromHeader] string Login
        );

        protected override string? GetCacheKey(GetSubjectParameters req, LoginDTO loginDTO)
            => KeyGenerator.KeyGeneration(req.SubjectId, EntityConstant.OBJECTSUBJECT, CacheKeyLevel.CLIENT_LEVEL, loginDTO);

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(GetSubjectParameters req, LoginDTO loginDTO, CancellationToken ct)
        {
            try
            {
                var result = await _SubjectBLL.GetSubject(req.SubjectId, loginDTO!);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.CLIENT_LEVEL, loginDTO, ex.Message, 500);
            }
        }
    }
}