main.dart

import 'package:ambient/Classification/classification.dart';
import 'package:ambient/LoginRegister/registration.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:ambient/emptyMoodpage.dart';
import 'package:ambient/searchpage.dart';
import 'package:ambient/widgets/MusicPlayerState.dart';
import 'package:ambient/widgets/navbars.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:spotify_sdk/models/player_state.dart';
import 'package:spotify_sdk/spotify_sdk.dart';

import 'homepage.dart';
import 'LoginRegister/login.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp;
  await dotenv.load(fileName: '.env');
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MusicPlayerState(
        child: const HUD(),
      ),
    );
  }
}

const Color primaryColor = Color(0xFFFFa74a);
const Color onPrimary = Color(0xFFFFFFFF);
const Color primaryContainer = Color(0xFFFFDFBD);
const Color onPrimaryContainer = Color(0xFF312B25);

class HUD extends StatefulWidget {
  const HUD({super.key});

  @override
  State<StatefulWidget> createState() => _HUDState();
}

class _HUDState extends State<HUD> {
  int _currentIndex = 0;
  final List<String> _titleList = ["Player", "Mood", "Search"];
  String _title = "";
  PageController _pageController = PageController(initialPage: 0);

  @override
  void initState() {
    _title = _titleList[0];
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: Topbar(title: Text(_title)),
        endDrawer: SettingsDrawer(),
        body: PageView(
          controller: _pageController,
          onPageChanged: (newIndex) {
            setState(() {
              _currentIndex = newIndex;
              _title = _titleList[newIndex];
            });
          },
          children: const [
            HomePage(),
            StateMoodPage(),
            StateSearcgPage(),
          ],
        ),
        bottomNavigationBar: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
          StreamBuilder<void>(
            stream: MusicPlayerState.of(context).rebuildStream.stream,
            builder: (context, _) {
              if(_currentIndex != 0){
                return MusicBar();
              } else{
                return const Center(child: Text('Moin'));
              }
            }),
            BottomNavigationBar(
              currentIndex: _currentIndex,
              backgroundColor: ligten(primaryContainer),
              selectedItemColor: primaryColor,
              unselectedItemColor: Colors.black,
              items: const [
                BottomNavigationBarItem(
                  icon: Icon(Icons.play_arrow_rounded),
                  label: "Play",
                ),
                BottomNavigationBarItem(icon: Icon(Icons.mood), label: "Moods"),
                BottomNavigationBarItem(
                    icon: Icon(Icons.search), label: "Suchen"),
              ],
              onTap: (newIndex) {
                _pageController.animateToPage(newIndex,
                    duration: const Duration(milliseconds: 500),
                    curve: Curves.ease);
                _title = _titleList[newIndex];
              },
            ),
          ],
        ));
  }
}

class MusicBar extends StatelessWidget {
  MusicBar({
    Key? key,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    if (MusicPlayerState.of(context).connected){
      return StreamBuilder<PlayerState>(
          stream: SpotifySdk.subscribePlayerState(),
          builder: (BuildContext context, AsyncSnapshot<PlayerState> snapshot) {
            var track = snapshot.data?.track;
            MusicPlayerState.of(context).currentTrackImageUri = track?.imageUri;
            var playerState = snapshot.data;
            if (playerState == null || track == null) {
              return const Center(
                child: Text('PlayState or track is null'),
              );
            }
            return Container(
              height: 80,
              color: Colors.grey,
              child: Row(
                children: [
                  MusicPlayerState.of(context).albumImage,
                  playerState.isPaused
                      ? IconButton(
                    icon: Icon(Icons.play_arrow_outlined),
                    iconSize: 50,
                    onPressed: (){
                      var state = MusicPlayerState.of(context);
                      SpotifySdk.resume().then((value) => state.rebuildStream.sink.add(Null));
                    }
                    )
                      : IconButton(
                    icon: Icon(Icons.pause_outlined),
                    iconSize: 50,
                    color: primaryColor,
                    onPressed:() {
                      var state = MusicPlayerState.of(context);
                      SpotifySdk.pause().then((value) => state.rebuildStream.sink.add(Null));
                    },

                  ),
                ],
              ),
            );
          });
    } else {
      return Text("not Connected");
    }
  }
}