main.dart

import 'dart:ui';
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:audiotagger/audiotagger.dart';
import 'package:audiotagger/models/tag.dart';
import 'package:flutter/material.dart';
import 'package:flutter_media_notification/flutter_media_notification.dart';
import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
import 'package:music/API/saavn.dart';
import 'package:music/about.dart';
import 'package:ext_storage/ext_storage.dart';
import 'package:progress_dialog/progress_dialog.dart';
import 'API/saavn.dart';
import 'package:http/http.dart' as http;
import 'music.dart';
import 'package:gradient_widgets/gradient_widgets.dart';
import 'package:flutter/services.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:fluttertoast/fluttertoast.dart';

main() async {
  runApp(MaterialApp(
    theme: ThemeData(
      fontFamily: "DMSans",
      accentColor: accent,
      primaryColor: accent,
      canvasColor: Colors.transparent,
    ),
    home: AppName(),
  ));
}

class AppName extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return new AppState();
  }
}

class AppState extends State<AppName> {
  TextEditingController searchBar = new TextEditingController();
  bool fetchingSongs = false;

  void initState() {
    super.initState();

    SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle(
      systemNavigationBarColor: Color(0xff263238),
      // navigation bar color
      statusBarColor: Colors.transparent, // status bar color
    ));

    MediaNotification.setListener('play', () {
      setState(() {
        playerState = PlayerState.playing;
        status = 'play';
        audioPlayer.play(kUrl);
      });
    });

    MediaNotification.setListener('pause', () {
      setState(() {
        status = 'pause';
        audioPlayer.pause();
      });
    });

    MediaNotification.setListener("close", () {
      audioPlayer.stop();
      dispose();
      checker = "Nahi";
      MediaNotification.hideNotification();
    });
  }

  search() async {
    String searchQuery = searchBar.text;
    if (searchQuery.isEmpty) return;
    fetchingSongs = true;
    setState(() {});
    await fetchSongsList(searchQuery);
    fetchingSongs = false;
    setState(() {});
  }

  getSongDetails(String id, var context) async {
    await fetchSongDetails(id);
    checker = "Haa";
    Navigator.push(
        context, MaterialPageRoute(builder: (context) => AudioApp()));
  }

  downloadSong(id) async {
    var status = await Permission.storage.status;
    if (status.isUndetermined || status.isDenied) {
      // code of read or write file in external storage (SD card)
      // You can request multiple permissions at once.
      Map<Permission, PermissionStatus> statuses = await [
        Permission.storage,
      ].request();
      print(statuses[Permission.storage]);
    }
    status = await Permission.storage.status;
    await fetchSongDetails(id);
    if (status.isGranted) {
      ProgressDialog pr = ProgressDialog(context);
      pr = ProgressDialog(
        context,
        type: ProgressDialogType.Normal,
        isDismissible: false,
        showLogs: false,
      );

      pr.style(
        backgroundColor: Color(0xff263238),
        elevation: 4,
        textAlign: TextAlign.left,
        progressTextStyle: TextStyle(color: Colors.white),
        message: "Downloading " + title,
        messageTextStyle: TextStyle(color: accent),
        progressWidget: Padding(
          padding: const EdgeInsets.all(20.0),
          child: CircularProgressIndicator(
              valueColor: new AlwaysStoppedAnimation<Color>(accent)),
        ),
      );
      await pr.show();

      final filename = title + ".m4a";
      final artname = title + "_artwork.jpg";

      String dlPath = await ExtStorage.getExternalStoragePublicDirectory(
          ExtStorage.DIRECTORY_MUSIC);
      String filepath = dlPath + "/" + filename;
      String filepath2 = dlPath + "/" + artname;
      if (has_320 == "true") {
        kUrl = raw_kUrl.replaceAll("_96.mp4", "_320.mp4");
        final client = http.Client();
        final request = new http.Request('HEAD', Uri.parse(kUrl))
          ..followRedirects = false;
        final response = await client.send(request);
        print(response.statusCode);
        kUrl = (response.headers['location']);
        print(raw_kUrl);
        print(kUrl);
        final request2 = new http.Request('HEAD', Uri.parse(kUrl))
          ..followRedirects = false;
        final response2 = await client.send(request2);
        if (response2.statusCode != 200) {
          kUrl = kUrl.replaceAll(".mp4", ".mp3");
        }
        ;
      }
      var request = await HttpClient().getUrl(Uri.parse(kUrl));
      var response = await request.close();
      var bytes = await consolidateHttpClientResponseBytes(response);
      File file = new File(filepath);

      var request2 = await HttpClient().getUrl(Uri.parse(image));
      var response2 = await request2.close();
      var bytes2 = await consolidateHttpClientResponseBytes(response2);
      File file2 = new File(filepath2);

      await file.writeAsBytes(bytes);
      await file2.writeAsBytes(bytes2);
      print("Started tag editing");

      final tag = Tag(
        title: title,
        artist: artist,
        artwork: filepath2,
        album: album,
        lyrics: lyrics,
        genre: null,
      );

      print("Setting up Tags");
      final tagger = new Audiotagger();
      await tagger.writeTags(
        path: filepath,
        tag: tag,
      );
      await new Future.delayed(const Duration(seconds: 1), () {});
      await pr.hide();

      if (await file2.exists()) {
        await file2.delete();
      }
      print("Done");
      Fluttertoast.showToast(
          msg: "Download Complete!",
          toastLength: Toast.LENGTH_SHORT,
          gravity: ToastGravity.BOTTOM,
          timeInSecForIosWeb: 1,
          backgroundColor: Colors.black,
          textColor: Color(0xff61e88a),
          fontSize: 14.0);
    } else if (status.isDenied || status.isPermanentlyDenied) {
      Fluttertoast.showToast(
          msg: "Storage Permission Denied!\nCan't Download Songs",
          toastLength: Toast.LENGTH_SHORT,
          gravity: ToastGravity.BOTTOM,
          timeInSecForIosWeb: 1,
          backgroundColor: Colors.black,
          textColor: Color(0xff61e88a),
          fontSize: 14.0);
    } else {
      Fluttertoast.showToast(
          msg: "Permission Error!",
          toastLength: Toast.LENGTH_SHORT,
          gravity: ToastGravity.values[50],
          timeInSecForIosWeb: 1,
          backgroundColor: Colors.black,
          textColor: Color(0xff61e88a),
          fontSize: 14.0);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      decoration: BoxDecoration(
        gradient: LinearGradient(
          begin: Alignment.topCenter,
          end: Alignment.bottomCenter,
          colors: [
            Color(0xff384850),
            Color(0xff263238),
            Color(0xff263238),
          ],
        ),
      ),
      child: new Scaffold(
          resizeToAvoidBottomPadding: false,
          backgroundColor: Colors.transparent,
          //backgroundColor: Color(0xff384850),
          floatingActionButton: Padding(
            padding: const EdgeInsets.only(bottom: 12.0),
            child: Builder(builder: (contextt) {
              return Container(
                height: 50,
                width: 180,
                child: FloatingActionButton(
                  isExtended: true,
                  child: Container(
                    alignment: Alignment.center,
                    height: 100,
                    width: 180,
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.all(Radius.circular(40)),
                      gradient: LinearGradient(
                        colors: [
                          Color(0xff4db6ac),
                          //Color(0xff00c754),
                          Color(0xff61e88a),
                        ],
                      ),
                    ),
                    child: Center(
                      child: Container(
                        width: 130,
                        child: Center(
                          child: Row(
                            children: <Widget>[
                              Icon(
                                MdiIcons.musicNoteOutline,
                                color: Colors.black,
                              ),
                              Text(
                                " Now Playing",
                                style: TextStyle(
                                    fontSize: 15, fontWeight: FontWeight.w600),
                              )
                            ],
                          ),
                        ),
                      ),
                    ),
                  ),
                  onPressed: () => {
                    checker = "Nahi",
                    if (kUrl != "")
                      {
                        Navigator.push(
                          context,
                          MaterialPageRoute(builder: (context) => AudioApp()),
                        )
                      }
                    else
                      Scaffold.of(contextt).showSnackBar(new SnackBar(
                        content: new Text("Nothing is Playing."),
                        action: SnackBarAction(
                            label: 'Okay',
                            textColor: accent,
                            onPressed:
                                Scaffold.of(contextt).hideCurrentSnackBar),
                        backgroundColor: Colors.black38,
                        duration: Duration(seconds: 2),
                      ))
                  },
                  tooltip: 'Increment',
                ),
              );
            }),
          ),
          body: new SingleChildScrollView(
            padding: EdgeInsets.all(12.0),
            child: new Column(
              crossAxisAlignment: CrossAxisAlignment.center,
              children: <Widget>[
                new Padding(padding: EdgeInsets.only(top: 30, bottom: 20.0)),
                Center(
                  child: Row(children: <Widget>[
                    Expanded(
                      child: Padding(
                        padding: const EdgeInsets.only(left: 42.0),
                        child: Center(
                          child: new GradientText(
                            "Musify.",
                            shaderRect: Rect.fromLTWH(13.0, 0.0, 100.0, 50.0),
                            gradient: LinearGradient(colors: [
                              Color(0xff4db6ac),
                              Color(0xff61e88a),
                            ]),
                            style: TextStyle(
                              fontSize: 35,
                              fontWeight: FontWeight.w800,
                            ),
                          ),
                        ),
                      ),
                    ),
                    Container(
                      child: IconButton(
                          iconSize: 26,
                          alignment: Alignment.center,
                          icon: Icon(MdiIcons.dotsVertical),
                          color: accent,
                          onPressed: () => {
                                Navigator.push(
                                    context,
                                    MaterialPageRoute(
                                        builder: (context) => AboutPage())),
                              }),
                    )
                  ]),
                ),
                new Padding(padding: EdgeInsets.only(top: 20)),
                new TextField(
                  onSubmitted: (String value) {
                    search();
                  },
                  controller: searchBar,
                  style: TextStyle(
                    fontSize: 16,
                    color: accent,
                  ),
                  cursorColor: Colors.green[50],
                  decoration: InputDecoration(
                    fillColor: Color(0xff263238),
                    filled: true,
                    enabledBorder: const OutlineInputBorder(
                      borderRadius: BorderRadius.all(Radius.circular(100)),
                      borderSide: BorderSide(
                        color: Color(0xff263238),
                      ),
                    ),
                    focusedBorder: OutlineInputBorder(
                      borderRadius: BorderRadius.all(Radius.circular(100)),
                      borderSide: BorderSide(color: accent),
                    ),
                    suffixIcon: IconButton(
                      icon: fetchingSongs
                          ? SizedBox(
                              height: 18,
                              width: 18,
                              child: Center(
                                child: CircularProgressIndicator(
                                    valueColor:
                                        new AlwaysStoppedAnimation<Color>(
                                            accent)),
                              ),
                            )
                          : Icon(
                              Icons.search,
                              color: accent,
                            ),
                      color: accent,
                      onPressed: () {
                        search();
                      },
                    ),
                    border: InputBorder.none,
                    hintText: "Search...",
                    hintStyle: TextStyle(
                      color: accent,
                    ),
                    contentPadding: const EdgeInsets.only(
                      left: 18,
                      right: 20,
                      top: 14,
                      bottom: 14,
                    ),
                  ),
                ),
                if (searchedList.isNotEmpty)
                  new ListView.builder(
                      shrinkWrap: true,
                      itemCount: searchedList.length,
                      itemBuilder: (BuildContext ctxt, int index) {
                        return new Padding(
                          padding: const EdgeInsets.only(top: 5, bottom: 5),
                          child: Card(
                            color: Colors.black12,
                            shape: RoundedRectangleBorder(
                                borderRadius: BorderRadius.circular(10.0)),
                            elevation: 0,
                            child: InkWell(
                              borderRadius: BorderRadius.circular(10.0),
                              onTap: () {
                                getSongDetails(
                                    searchedList[index]["id"], context);
                              },
                              splashColor: accent,
                              hoverColor: accent,
                              focusColor: accent,
                              highlightColor: accent,
                              child: Column(
                                children: <Widget>[
                                  ListTile(
                                    leading: Padding(
                                      padding: const EdgeInsets.all(8.0),
                                      child: Icon(
                                        MdiIcons.musicNoteOutline,
                                        size: 30,
                                        color: accent,
                                      ),
                                    ),
                                    title: Text(
                                      (searchedList[index]['title'])
                                          .toString()
                                          .split("(")[0]
                                          .replaceAll("&quot;", "\"")
                                          .replaceAll("&amp;", "&"),
                                      style: TextStyle(color: Colors.white),
                                    ),
                                    subtitle: Text(
                                      searchedList[index]['more_info']
                                          ["singers"],
                                      style: TextStyle(color: Colors.white),
                                    ),
                                    trailing: IconButton(
                                        color: accent,
                                        icon: Icon(MdiIcons.downloadOutline),
                                        onPressed: () => downloadSong(
                                            searchedList[index]["id"])),
                                  ),
                                ],
                              ),
                            ),
                          ),
                        );
                      }),
              ],
            ),
          )),
    );
  }
}