using FLSBLL.Survey;
using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace FLSSL.Endpoints.Survey;

public class GetSurveyPreview : BaseEndpoint<GetSurveyPreview.Params, ResponseStandardDTO<object>>
{
    private readonly ISurveyInstrumentBLL _bll;

    public GetSurveyPreview(ISurveyInstrumentBLL bll) => _bll = bll;

    public override void Configure()
    {
        Get("/Survey/GetSurveyPreview");
        AllowAnonymous();
    }

    public record Params(
        [property: FromHeader] string Login,
        [property: QueryParam] int    InstrumentConfigId,
        [property: QueryParam] string LangCode = "EN");

    protected override string? GetCacheKey(Params req, LoginDTO login)
        => $"SurveyPreview:{login.ClientId}:{req.InstrumentConfigId}:{req.LangCode}";

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
        Params req, LoginDTO login, CancellationToken ct)
    {
        try
        {
            var result = await _bll.GetInstrumentPreviewAsync(req.InstrumentConfigId, req.LangCode, 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.NOT_REQUIRED, login, ex.Message, 500);
        }
    }
}