// lib/main.dart
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:media_kit/media_kit.dart';
import 'services/audio_service.dart';
import 'services/playback_service.dart';
import 'pages/home_page.dart';
import 'pages/player_page.dart';
import 'widgets/global_mini_player.dart';

// ✅ 全局导航键
final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();

void main() {
  WidgetsFlutterBinding.ensureInitialized();

  try {
    MediaKit.ensureInitialized();
    PlaybackService().init();
  } catch (e, stack) {
    print('❌ 初始化失败: $e');
    print(stack);
    runApp(
      MaterialApp(
        home: Scaffold(
          backgroundColor: const Color(0xFF0E1211),
          body: Center(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Icon(Icons.error_outline, size: 64, color: Colors.red[300]),
                const SizedBox(height: 16),
                Text(
                  '应用初始化失败',
                  style: TextStyle(color: Colors.white, fontSize: 20),
                ),
                const SizedBox(height: 8),
                Text(
                  '$e',
                  style: TextStyle(color: Colors.grey[400], fontSize: 14),
                  textAlign: TextAlign.center,
                ),
              ],
            ),
          ),
        ),
      ),
    );
    return;
  }

  FlutterError.onError = (details) {
    print('❌ Flutter Error: ${details.exception}');
    print('Stack: ${details.stack}');
  };

  runApp(
    ChangeNotifierProvider(
      create: (_) => AudioService(),
      child: const QTPlayerApp(),
    ),
  );
}

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

  @override
  State<QTPlayerApp> createState() => _QTPlayerAppState();
}

class _QTPlayerAppState extends State<QTPlayerApp> {
  bool _showPlayerPage = false;

  // ✅ 播放页回调，暴露给 GlobalMiniPlayer
  void _openPlayerPage() {
    setState(() {
      _showPlayerPage = true;
    });
  }

  void _closePlayerPage() {
    setState(() {
      _showPlayerPage = false;
    });
  }

  @override
  void initState() {
    super.initState();
    // ✅ 注入回调（GlobalMiniPlayer 是 static 成员）
    GlobalMiniPlayer.onOpenPlayerPage = _openPlayerPage;
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: '清听',
      navigatorKey: navigatorKey,
      theme: ThemeData(
        brightness: Brightness.dark,
        primaryColor: const Color(0xFF7C9A9E),
        colorScheme: const ColorScheme.dark(
          primary: Color(0xFF7C9A9E),
          secondary: Color(0xFFB8D4D0),
          surface: Color(0xFF1A1F1E),
          onSurface: Colors.white,
        ),
        useMaterial3: true,
      ),
      home: const HomePage(),
      builder: (context, child) {
        return Overlay(
          initialEntries: [
            OverlayEntry(
              builder: (context) => Stack(
                children: [
                  // ① 主页面
                  Positioned.fill(child: child!),
                  // ② MiniPlayer
                  const Positioned(
                    left: 0,
                    right: 0,
                    bottom: 0,
                    child: GlobalMiniPlayer(),
                  ),
                  // ③ 播放页（全屏覆盖）
                  if (_showPlayerPage)
                    Positioned.fill(
                      child: PlayerPage(
                        onClose: _closePlayerPage,
                      ),
                    ),
                ],
              ),
            ),
          ],
        );
      },
    );
  }
}