//using System;
//using System.Collections.Generic;
//using System.IO;
//using System.Linq;
//using System.Net.Http;
//using System.Net.Http.Headers;
//using System.Threading;
//using System.Threading.Tasks;

//namespace GB5Shared.JasperExport
//{
//    public class JasperExport : IJasperExport
//    {
//        private readonly HttpClient _httpClient;
//        private readonly string _jasperServerUrl;
//        private readonly string _jasperUser;
//        private readonly string _jasperPass;

//        public JasperExport(HttpClient httpClient, string jasperServerUrl, string jasperUser, string jasperPass)
//        {
//            _httpClient = httpClient;
//            _jasperServerUrl = jasperServerUrl.TrimEnd('/');
//            _jasperUser = jasperUser;
//            _jasperPass = jasperPass;
//        }

//        public async Task<byte[]> ExportAsync(
//            string reportPath,
//            Dictionary<string, object> parameters,
//            string format = "pdf",
//            CancellationToken cancellationToken = default)
//        {
//            using var request = BuildRequest(reportPath, parameters, format);
//            using var response = await _httpClient.SendAsync(request, HttpCompletionOption.ResponseContentRead, cancellationToken);

//            if (!response.IsSuccessStatusCode)
//            {
//                var error = await response.Content.ReadAsStringAsync(cancellationToken);
//                throw new Exception($"Jasper error {response.StatusCode}: {error}");
//            }

//            var bytes = await response.Content.ReadAsByteArrayAsync(cancellationToken);
//            if (bytes == null || bytes.Length == 0)
//                throw new Exception("Jasper returned empty content.");

//            return bytes;
//        }

//        public async Task ExportToStreamAsync(
//            string reportPath,
//            Dictionary<string, object> parameters,
//            Stream outputStream,
//            string format = "pdf",
//            CancellationToken cancellationToken = default)
//        {
//            using var request = BuildRequest(reportPath, parameters, format);
//            using var response = await _httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken);

//            if (!response.IsSuccessStatusCode)
//            {
//                var error = await response.Content.ReadAsStringAsync(cancellationToken);
//                throw new Exception($"Jasper error {response.StatusCode}: {error}");
//            }

//            await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken);
//            await stream.CopyToAsync(outputStream, 128 * 1024, cancellationToken); // 128KB buffer
//        }

//        private HttpRequestMessage BuildRequest(string reportPath, Dictionary<string, object> parameters, string format)
//        {
//            if (string.IsNullOrWhiteSpace(reportPath))
//                throw new ArgumentException("Report path cannot be null or empty", nameof(reportPath));

//            if (!reportPath.StartsWith("/"))
//                reportPath = "/" + reportPath;

//            string query = parameters?.Count > 0
//                ? "?" + string.Join("&", parameters.Select(p =>
//                    $"{Uri.EscapeDataString(p.Key)}={Uri.EscapeDataString(p.Value?.ToString() ?? string.Empty)}"))
//                : string.Empty;

//            var url = $"{_jasperServerUrl}{reportPath}.{format}{query}";

//            var request = new HttpRequestMessage(HttpMethod.Get, url);
//            var auth = Convert.ToBase64String(System.Text.Encoding.ASCII.GetBytes($"{_jasperUser}:{_jasperPass}"));
//            request.Headers.Authorization = new AuthenticationHeaderValue("Basic", auth);

//            return request;
//        }
//    }
//}