fipy/lib/providers/home.dart

// ignore_for_file: avoid_print

import 'dart:convert';
import 'package:fip_parser_ui/globals.dart';
import 'package:flutter/foundation.dart';
import 'package:universal_io/io.dart';
import 'package:fip_parser_ui/models/track.dart';
import 'package:flutter/material.dart';
import 'package:kplayer/kplayer.dart';
import 'package:path_provider/path_provider.dart';
import 'package:youtube_explode_dart/youtube_explode_dart.dart';
import 'package:fip_parser_ui/providers/player.dart';
import 'package:provider/provider.dart';
import 'package:http/http.dart';

class HomeProvider with ChangeNotifier {
  Track? currentTrack;
  PlayerController? player;
  List<Track> trackList = [];
  int trackNbr = 0;
  int userPageNbr = 3;

  Future<List<Track>> getTracks(String radio, {String cursor = ''}) async {
    int pageNbr = 0;
    trackList.clear();
    trackNbr = 0;
    bool stop = false;
    while (pageNbr < userPageNbr && !stop) {
      final req = Uri.parse(
          '${proxyHeader}www.radiofrance.fr:443/api/v1.7/stations/fip/webradios/$radio/songs?pageCursor=$cursor');

      final res = await get(req, headers: {
        "Access-Control-Allow-Origin": "*",
        "Access-Control-Allow-Methods": "GET, HEAD, POST, OPTIONS",
        'Content-Type': 'text/plain'
      });
      if (res.statusCode == 200) {
        Map body = jsonDecode(res.body);
        if (body['next'] != null) {
          cursor = body['next'];
        } else {
          print('Page N°$pageNbr');
          stop = true;
        }

        for (Map track in body['songs']) {
          trackNbr++;
          final String title = track['secondLine'] ?? '';
          final String artiste = track['firstLine'] ?? '';
          final String album = track['release']['title'] ?? '';
          final String image = track['visual']?['preview'] ?? '';
          final String imageUrl = track['visual']?['src'] ?? '';

          final thisTrack = Track(
              number: trackNbr,
              title: title,
              artiste: artiste,
              album: album,
              image: image,
              imageUrl: imageUrl);
          trackList.add(thisTrack);
        }
        pageNbr++;
      } else {
        throw "Unable to retrieve tracks.";
      }
    }
    return trackList;
  }

  Future playTrack(BuildContext context, Track track) async {
    var yt = YoutubeExplode();
    PlayerProvider playerProvider =
        Provider.of<PlayerProvider>(context, listen: false);
    HomeProvider homeProvider =
        Provider.of<HomeProvider>(context, listen: false);

    // track = trackList[track.number - 1];
    currentTrack = track;

    final currentVolume = player?.volume ?? 1;
    if (player?.playing ?? false) player?.stop();
    Future.delayed(const Duration(milliseconds: 5));

    if (track.id == null) {
      final secondMatch = track.artiste == '' ? track.album : track.artiste;
      final resultUrl =
          await yt.search.search(track.title + ' ' + secondMatch!);
      track.id = resultUrl.first.id.value;
    }
    const invidiousUrl =
        'yewtu.be'; //yewtu.be vid.puffyan.us invidious.snopyta.org invidious.fdn.fr

    player = Player.network(
        "https://$invidiousUrl/embed/${track.id}?raw=1&listen=1&quality=dash");
    print(track.id);

    player!.volume = currentVolume;

    try {
      player!.play();
    } catch (e) {
      print('Play error: ' + e.toString());
    }
    Future.delayed(const Duration(milliseconds: 500));
    player!.callback = (PlayerEvent event) {
      print(event.name);
      if (event.name == 'position') {
        currentTrack!.duration = player!.duration;
        playerProvider.reload();
      }
      if (event.name == 'status' && player!.position == player!.duration) {
        var nextTrack = trackList
            .firstWhere((element) => element.number == track.number + 1);
        playTrack(context, nextTrack);
      }
    };

    playerProvider.reload();
    homeProvider.reload();
    yt.close();
  }

  Future downloadMusic(BuildContext context, Track track) async {
    var yt = YoutubeExplode();
    var manifest = await yt.videos.streamsClient.getManifest(track.id);
    var streamManifest = StreamManifest(manifest.streams);
    var streamInfo = streamManifest.audioOnly.withHighestBitrate();
    var stream = yt.videos.streamsClient.get(streamInfo);
    final fileName = '${track.title} - ${track.artiste}'
        .replaceAll('\\', '')
        .replaceAll('/', '')
        .replaceAll(':', '')
        .replaceAll('*', '')
        .replaceAll('?', '')
        .replaceAll('"', '')
        .replaceAll('<', '')
        .replaceAll('>', '')
        .replaceAll('|', '');

    if (!kIsWeb) {
      final filePath = Platform.isAndroid
          ? Directory('/storage/emulated/0/Download')
          : await getDownloadsDirectory();

      var file = File('${filePath!.path}/$fileName.webm');
      var fileStream = file.openWrite();

      await stream.pipe(fileStream);

      await fileStream.flush();
      await fileStream.close();
      yt.close();

      track.file = file;

      print(file.path);
    }
  }

  List<DropdownMenuItem<String>> get radioList {
    List<DropdownMenuItem<String>> menuItems = [
      const DropdownMenuItem(child: Text("FIP"), value: "fip"),
      const DropdownMenuItem(child: Text("Electro"), value: "fip_electro"),
      const DropdownMenuItem(child: Text("Groove"), value: "fip_groove"),
      const DropdownMenuItem(child: Text("Rock"), value: "fip_rock"),
      const DropdownMenuItem(child: Text("Jazz"), value: "fip_jazz"),
      const DropdownMenuItem(child: Text("Pop"), value: "fip_pop"),
      const DropdownMenuItem(child: Text("Reggae"), value: "fip_reggae"),
      const DropdownMenuItem(child: Text("World"), value: "fip_world"),
      const DropdownMenuItem(
          child: Text("Nouveautés"), value: "fip_nouveautes"),
    ];
    return menuItems;
  }

  List<DropdownMenuItem<String>> get pageList {
    List<DropdownMenuItem<String>> menuItems = [
      const DropdownMenuItem(child: Text("25"), value: "3"),
      const DropdownMenuItem(child: Text("50"), value: "6"),
      const DropdownMenuItem(child: Text("100"), value: "12"),
      const DropdownMenuItem(child: Text("200"), value: "25"),
      const DropdownMenuItem(child: Text("500"), value: "62"),
    ];
    return menuItems;
  }

  void reload() {
    notifyListeners();
  }
}

class DownloadProvider with ChangeNotifier {
  void reload() {
    notifyListeners();
  }
}