using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using PayRollBLL.Policy;
using static GB5Shared.GB5Constant.Constant;

namespace PayRollSL.EndPoints.Policy
{
    // GB4: HRMS.Policy.Get — GET /prs/Policy.svc/Version/?PolicyVersionId=&FromDate=
    public class GetPolicyVersion : BaseEndpoint<GetPolicyVersion.GetPolicyVersionParameters, ResponseStandardDTO<object>>
    {
        private readonly IPolicyBLL _PolicyBLL;

        public GetPolicyVersion(IPolicyBLL policyBLL)
        {
            _PolicyBLL = policyBLL;
        }

        public override void Configure()
        {
            Get("/Policy/Version");
            AllowAnonymous();
        }

        public record GetPolicyVersionParameters(
            [property: FromHeader] string     Login,
            [property: QueryParam] int        PolicyVersionId,
            [property: QueryParam] DateTime?  FromDate
        );

        protected override string? GetCacheKey(GetPolicyVersionParameters req, LoginDTO loginDTO)
        {
            try
            {
                return KeyGenerator.KeyGeneration(req.PolicyVersionId, EntityConstant.OBJECTPOLICYVERSION, CacheKeyLevel.USER_LEVEL, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            GetPolicyVersionParameters req, LoginDTO loginDTO, CancellationToken ct)
        {
            try
            {
                var result = await _PolicyBLL.GetPolicyVersion(req.PolicyVersionId, req.FromDate, loginDTO);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                    result, CacheKeyLevel.USER_LEVEL, loginDTO);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                    ex, CacheKeyLevel.USER_LEVEL, loginDTO, ex.Message, 500);
            }
        }
    }
}