using EnablementDAL.CustomCode.ShowRequestLog;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using Microsoft.Extensions.Logging;

namespace EnablementBLL.ShowRequestLog;

// -------------------------------------------------------------------------
// Read-only admin BLL over the append-only LSHOWREQUEST audit log.
// No AutoNumber / EventLogPublish here — this module never writes; the
// existing insert path (ShowResolverBLL → IShowRequestLogDAL.InsertAsync)
// is untouched and does not go through this class.
// -------------------------------------------------------------------------
public class ShowRequestLogBLL : IShowRequestLogBLL
{
    private readonly IShowRequestLogDAL _dal;
    private readonly ILogger<ShowRequestLogBLL> _logger;

    public ShowRequestLogBLL(IShowRequestLogDAL dal, ILogger<ShowRequestLogBLL> logger)
    {
        _dal = dal;
        _logger = logger;
    }

    public async Task<ResponseStandardDTO<object>> GetShowRequestLogListAsync(
        int userId, string triggerType, DateTime? fromDate, DateTime? toDate,
        byte? isFrontendResolved, int pageNo, int pageSize, LoginDTO login, CancellationToken ct)
    {
        if (pageNo < 1) throw new ArgumentException("PageNo must be >= 1.");
        if (pageSize < 1) throw new ArgumentException("PageSize must be >= 1.");

        var items = await _dal.GetListAsync(
            userId, triggerType, fromDate, toDate, isFrontendResolved, pageNo, pageSize, login, ct)
            .ConfigureAwait(false);
        int total = await _dal.GetListCountAsync(
            userId, triggerType, fromDate, toDate, isFrontendResolved, login, ct)
            .ConfigureAwait(false);

        _logger.LogInformation(
            "ShowRequestLog list retrieved TenantId={TenantId} UserId={UserId} PageNo={PageNo} TotalCount={TotalCount}",
            login.ClientId, userId, pageNo, total);

        return new ResponseStandardDTO<object>
        {
            Body = new { Items = items, TotalCount = total },
            Status = GB5Shared.DTO.Framework.Enum.FrameworkEnumDTO.ResponseStatus.Ok
        };
    }
}