// lib/widgets/global_mini_player.dart
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../services/audio_service.dart';
import '../main.dart';

class GlobalMiniPlayer extends StatelessWidget {
  const GlobalMiniPlayer({super.key});

  // ✅ 全局回调：打开播放页
  static VoidCallback? onOpenPlayerPage;

  // ✅ 新增：打开播放列表
  static VoidCallback? onOpenPlaylistPage;

  @override
  Widget build(BuildContext context) {
    final service = context.watch<AudioService>();
    final song = service.currentSong;

    final bottomPadding = MediaQuery.of(context).padding.bottom;

    return GestureDetector(
      onTap: () {
        if (song != null && onOpenPlayerPage != null) {
          onOpenPlayerPage!();
        }
      },
      child: Container(
        height: 56 + bottomPadding,
        decoration: BoxDecoration(
          color: const Color(0xFF1A1F1E),
          boxShadow: [
            BoxShadow(
              color: Colors.black.withOpacity(0.4),
              blurRadius: 12,
              offset: const Offset(0, -4),
            ),
          ],
        ),
        child: SafeArea(
          top: false,
          bottom: true,
          child: Padding(
            padding: const EdgeInsets.only(bottom: 0),
            child: Row(
              children: [
                const SizedBox(width: 12),
                Container(
                  width: 40,
                  height: 40,
                  decoration: BoxDecoration(
                    color: song != null
                        ? const Color(0xFF2A3332)
                        : Colors.grey[800],
                    borderRadius: BorderRadius.circular(4),
                  ),
                  child: Icon(
                    song != null ? Icons.music_note : Icons.music_off,
                    color: song != null ? Colors.white38 : Colors.grey[600],
                    size: 20,
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        song != null ? song.title : '清听',
                        style: const TextStyle(
                          fontSize: 14,
                          fontWeight: FontWeight.w500,
                          color: Colors.white,
                          decoration: TextDecoration.none,
                        ),
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                      ),
                      Text(
                        song != null ? song.artist : '未播放',
                        style: TextStyle(
                          fontSize: 12,
                          color: song != null
                              ? Colors.grey[400]
                              : Colors.grey[600],
                          decoration: TextDecoration.none,
                        ),
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                      ),
                    ],
                  ),
                ),
                IconButton(
                  icon: Icon(
                    song != null && service.isPlaying
                        ? Icons.pause
                        : Icons.play_arrow,
                    color: song != null ? Colors.white : Colors.grey[600],
                    size: 24,
                  ),
                  onPressed: () {
                    if (song != null) {
                      service.togglePlay();
                    }
                  },
                ),
                IconButton(
                  icon: Icon(
                    Icons.playlist_play_outlined,
                    color: Colors.grey[500],
                    size: 24,
                  ),
                  onPressed: () {
                    // ✅ 使用回调打开播放列表（与播放页同一套层级）
                    if (onOpenPlaylistPage != null) {
                      onOpenPlaylistPage!();
                    }
                  },
                ),
                const SizedBox(width: 4),
              ],
            ),
          ),
        ),
      ),
    );
  }
}