import 'dart:io' show Platform;

import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:just_audio_background/just_audio_background.dart';

import 'settings/settings_store.dart';
import 'shell/app_shell.dart';
import 'state/providers.dart';
import 'theme/accent.dart';
import 'theme/app_theme.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  // Lock-screen / notification transport is only available where audio_service
  // has a backend — Android/iOS. Skipping init elsewhere keeps the Linux dev
  // target (and tests) running.
  if (!kIsWeb && (Platform.isAndroid || Platform.isIOS)) {
    // Never let background-audio setup block the first frame: on failure or
    // hang we still start the app (playback just loses lock-screen controls).
    try {
      await JustAudioBackground.init(
        androidNotificationChannelId: 'com.laforrestchurch.timbre.audio',
        androidNotificationChannelName: 'Timbre playback',
        androidNotificationOngoing: true,
      ).timeout(const Duration(seconds: 8));
    } catch (e, st) {
      debugPrint('JustAudioBackground.init failed: $e\n$st');
    }
  }
  runApp(const ProviderScope(child: TimbreApp()));
}

class TimbreApp extends ConsumerWidget {
  const TimbreApp({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    // The accent either tracks the album art (default) or is pinned to a
    // user-chosen static color. The theme rebuilds whenever it changes.
    final settings = ref.watch(settingsProvider);
    final accent = settings.useStaticAccent
        ? settings.staticAccentColor
        : ref.watch(accentProvider);
    // Keep the accent synced with the remote track's art while acting as a
    // remote (bug #6). Alive as long as the app is.
    ref.watch(remoteAccentSyncProvider);
    return MaterialApp(
      title: 'Timbre',
      debugShowCheckedModeBanner: false,
      theme: buildTimbreTheme(accent),
      home: const AppShell(),
    );
  }
}