import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:path_provider/path_provider.dart';
import 'package:process_run/shell.dart';

class DlFormState extends ChangeNotifier {
  String url = '';
  String format = 'MP3';

  void setUrl(String newUrl) {
    url = newUrl;
    notifyListeners();
  }

  void setFormat(String newFormat) {
    format = newFormat;
    notifyListeners();
  }

  Future<void> download() async {
    debugPrint('Downloading $url in $format format');

    Directory tempDir = await getTemporaryDirectory();

    String assetName = 'yt-dlp.exe';

    File tempFile = File('${tempDir.path}/$assetName');

    ByteData data = await rootBundle.load('assets/executable/$assetName');
    await tempFile.exists().then((value) {
      if (!value) {
        debugPrint('Copying $assetName to ${tempFile.path}');
        tempFile.writeAsBytes(
            data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes));
      }
    });

    var ytDlpPath = tempFile.path;
    var command =
        '${url.trim()} --sub-langs "all,-live_chat" --embed-subs --embed-thumbnail --embed-metadata --output temp.mp4';
    var shell = Shell();

    debugPrint('Running $ytDlpPath $command');
    var results = await shell.run('''
      dir
      $ytDlpPath $command
    ''');
  }
}