// Negatif promptlu üretim — app'in GERÇEK kodu → ComfyUI → mp3.
import 'dart:convert';
import 'dart:io';

import '../lib/comfy/workflow/muzik_workflow.dart';

Future<void> main() async {
  const base = 'http://127.0.0.1:8188';
  final http = HttpClient();

  final p = MuzikParametreleri(
    model: 'ace_step_1.5_turbo_aio.safetensors',
    tags: 'turkish pop, female vocals, energetic, 120 bpm',
    negatif: 'low quality, muffled, distorted, noise, boring, sleepy',
    lyrics: '[verse]\ntest\n[chorus]\nhook',
    seed: 0,
    bpm: 120,
    sureSn: 10,
    steps: 10,
  );
  final wf = muzikWorkflowOlustur(p);
  stdout.writeln('negatif node 95: ${wf['95']?['class_type']}');
  stdout.writeln('KSampler negative: ${wf['3']['inputs']['negative']}');

  Future<Map<String, dynamic>> post(String y, Map g) async {
    final i = await http.postUrl(Uri.parse('$base$y'));
    i.headers.contentType = ContentType.json;
    i.write(jsonEncode(g));
    final c = await i.close();
    return jsonDecode(await c.transform(utf8.decoder).join())
        as Map<String, dynamic>;
  }

  Future<Map<String, dynamic>> get(String y) async {
    final i = await http.getUrl(Uri.parse('$base$y'));
    final c = await i.close();
    return jsonDecode(await c.transform(utf8.decoder).join())
        as Map<String, dynamic>;
  }

  final r = await post('/prompt', {'prompt': wf, 'client_id': 'fikoyt-e2eneg'});
  if (r['error'] != null) {
    stdout.writeln('RED: ${jsonEncode(r['error'])}');
    exit(1);
  }
  final pid = r['prompt_id'] as String;
  stdout.writeln('prompt_id: $pid');
  for (var i = 0; i < 90; i++) {
    await Future<void>.delayed(const Duration(seconds: 4));
    final h = await get('/history/$pid');
    final k = h[pid] as Map<String, dynamic>?;
    if (k == null) continue;
    final st = k['status'] as Map<String, dynamic>?;
    if (st?['status_str'] == 'error') {
      stdout.writeln('HATA: ${jsonEncode(st)}');
      exit(1);
    }
    if (st?['completed'] == true) {
      stdout.writeln('BASARILI: ${jsonEncode(k['outputs'])}');
      exit(0);
    }
  }
  stdout.writeln('ZAMAN ASIMI');
  exit(1);
}