using GB5Shared.DTO.Framework.Login;
using GB5Shared.Resource.Response;
using WiDAL.CustomCode.WiStepContentChecklistResponse;
using WiDAL.DTOs;

namespace WiBLL.WiStepContentChecklistResponse;

public class WiStepContentChecklistResponseBLL : IWiStepContentChecklistResponseBLL
{
    private readonly IWiStepContentChecklistResponseDAL _dal;
    public WiStepContentChecklistResponseBLL(IWiStepContentChecklistResponseDAL dal) => _dal = dal;

    public async Task<string> GetResponse(int wiStepContentId, int employeeId, LoginDTO login, CancellationToken ct)
    {
        // Empty array, not null, when nothing has been ticked yet — the frontend can
        // always JSON.parse the result without a null-guard.
        var json = await _dal.GetResponse(wiStepContentId, employeeId, login, ct).ConfigureAwait(false);
        return json ?? "[]";
    }

    public async Task<string> SaveResponse(SaveChecklistResponseRequestDTO req, LoginDTO login, CancellationToken ct)
    {
        await _dal.SaveResponse(req.WiStepContentId, req.EmployeeId, req.ResponseJson, login, ct).ConfigureAwait(false);
        return SuccessResponse.UpdateSuccess;
    }
}