import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../../core/theme/colors.dart';
import '../../providers/music_provider.dart';
import '../../pages/player/queue_view_page.dart';

/// Mini Player Widget
class MiniPlayer extends ConsumerWidget {
  final bool compact;

  const MiniPlayer({
    super.key,
    this.compact = false,
  });

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final playerState = ref.watch(playerProvider);
    final currentTrack = playerState.currentTrack;
    final isPlaying = playerState.isPlaying;

    return GestureDetector(
      onTap: () {
        // TODO: Open fullscreen player
      },
      child: Container(
        height: 64,
        decoration: BoxDecoration(
          color: AppColors.surface,
          border: Border(
            top: BorderSide(
              color: AppColors.cyan.withOpacity(0.2),
              width: 1,
            ),
          ),
          boxShadow: [
            BoxShadow(
              color: AppColors.cyan.withOpacity(0.1),
              blurRadius: 10,
              offset: const Offset(0, -2),
            ),
          ],
        ),
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
          child: Row(
            children: [
              // Album art
              _buildAlbumArt(currentTrack),

              const SizedBox(width: 12),

              // Track info
              Expanded(
                child: _buildTrackInfo(currentTrack, playerState),
              ),

              const SizedBox(width: 12),

              // Controls
              if (!compact)
                _buildControls(ref, isPlaying)
              else
                _buildCompactControls(ref, isPlaying),

              // Queue button
              if (!compact) _buildQueueButton(context, ref),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildAlbumArt(dynamic currentTrack) {
    return Container(
      width: 48,
      height: 48,
      decoration: BoxDecoration(
        gradient: AppColors.accentGradient,
        borderRadius: BorderRadius.circular(6),
        boxShadow: AppColors.violetGlow,
      ),
      child: currentTrack?.imageUrl != null
          ? ClipRRect(
              borderRadius: BorderRadius.circular(6),
              child: Image.network(
                currentTrack!.imageUrl!,
                fit: BoxFit.cover,
                errorBuilder: (context, error, stackTrace) {
                  return const Icon(
                    Icons.music_note,
                    color: AppColors.onBackground,
                    size: 24,
                  );
                },
              ),
            )
          : const Icon(
              Icons.music_note,
              color: AppColors.onBackground,
              size: 24,
            ),
    );
  }

  Widget _buildTrackInfo(dynamic currentTrack, PlayerState playerState) {
    if (currentTrack == null) {
      return Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        mainAxisAlignment: MainAxisAlignment.center,
        mainAxisSize: MainAxisSize.min,
        children: const [
          Text(
            'No track playing',
            style: TextStyle(
              color: AppColors.onSurface,
              fontSize: 14,
              fontWeight: FontWeight.w500,
            ),
            maxLines: 1,
            overflow: TextOverflow.ellipsis,
          ),
          SizedBox(height: 2),
          Text(
            'Tap to select music',
            style: TextStyle(
              color: AppColors.muted,
              fontSize: 12,
            ),
            maxLines: 1,
            overflow: TextOverflow.ellipsis,
          ),
        ],
      );
    }

    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisAlignment: MainAxisAlignment.center,
      mainAxisSize: MainAxisSize.min,
      children: [
        Row(
          children: [
            if (playerState.isPlaying)
              Container(
                width: 4,
                height: 4,
                margin: const EdgeInsets.only(right: 6),
                decoration: const BoxDecoration(
                  color: AppColors.vert,
                  shape: BoxShape.circle,
                ),
              ),
            Expanded(
              child: Text(
                currentTrack.title,
                style: const TextStyle(
                  color: AppColors.onSurface,
                  fontSize: 14,
                  fontWeight: FontWeight.w500,
                ),
                maxLines: 1,
                overflow: TextOverflow.ellipsis,
              ),
            ),
          ],
        ),
        const SizedBox(height: 2),
        Text(
          currentTrack.artist?.name ?? 'Unknown Artist',
          style: const TextStyle(
            color: AppColors.muted,
            fontSize: 12,
          ),
          maxLines: 1,
          overflow: TextOverflow.ellipsis,
        ),
      ],
    );
  }

  Widget _buildControls(WidgetRef ref, bool isPlaying) {
    return Row(
      children: [
        _ControlButton(
          icon: Icons.skip_previous,
          onTap: () {
            ref.read(playerProvider.notifier).previous();
          },
        ),
        const SizedBox(width: 8),
        _ControlButton(
          icon: isPlaying ? Icons.pause : Icons.play_arrow,
          isPrimary: true,
          onTap: () {
            if (isPlaying) {
              ref.read(playerProvider.notifier).pause();
            } else {
              ref.read(playerProvider.notifier).play();
            }
          },
        ),
        const SizedBox(width: 8),
        _ControlButton(
          icon: Icons.skip_next,
          onTap: () {
            ref.read(playerProvider.notifier).next();
          },
        ),
      ],
    );
  }

  Widget _buildCompactControls(WidgetRef ref, bool isPlaying) {
    return _ControlButton(
      icon: isPlaying ? Icons.pause : Icons.play_arrow,
      isPrimary: true,
      size: 40,
      onTap: () {
        if (isPlaying) {
          ref.read(playerProvider.notifier).pause();
        } else {
          ref.read(playerProvider.notifier).play();
        }
      },
    );
  }

  Widget _buildQueueButton(BuildContext context, WidgetRef ref) {
    final queueData = ref.watch(queueProvider);

    return Row(
      children: [
        const SizedBox(width: 8),
        MouseRegion(
          cursor: SystemMouseCursors.click,
          child: GestureDetector(
            onTap: () => _openQueueView(context),
            child: Container(
              width: 40,
              height: 40,
              decoration: BoxDecoration(
                color: AppColors.surfaceVariant,
                borderRadius: BorderRadius.circular(8),
                border: Border.all(
                  color: queueData.hasNextTracks
                      ? AppColors.violet.withOpacity(0.5)
                      : Colors.transparent,
                  width: 1,
                ),
              ),
              child: Stack(
                alignment: Alignment.center,
                children: [
                  const Icon(
                    Icons.queue_music,
                    color: AppColors.onSurface,
                    size: 20,
                  ),
                  if (queueData.hasNextTracks)
                    Positioned(
                      top: 6,
                      right: 6,
                      child: Container(
                        padding: const EdgeInsets.all(2),
                        decoration: BoxDecoration(
                          color: AppColors.violet,
                          shape: BoxShape.circle,
                        ),
                        child: Text(
                          queueData.queueCount > 9
                              ? '9+'
                              : '${queueData.queueCount}',
                          style: const TextStyle(
                            color: AppColors.primary,
                            fontSize: 8,
                            fontWeight: FontWeight.w600,
                          ),
                        ),
                      ),
                    ),
                ],
              ),
            ),
          ),
        ),
      ],
    );
  }

  void _openQueueView(BuildContext context) {
    Navigator.of(context).push(
      PageRouteBuilder(
        pageBuilder: (context, animation, secondaryAnimation) {
          return const QueueViewPage();
        },
        transitionsBuilder: (context, animation, secondaryAnimation, child) {
          const begin = Offset(0.0, 1.0);
          const end = Offset.zero;
          const curve = Curves.easeInOut;

          var tween = Tween(begin: begin, end: end).chain(
            CurveTween(curve: curve),
          );

          return SlideTransition(
            position: animation.drive(tween),
            child: child,
          );
        },
      ),
    );
  }
}

/// Control Button
class _ControlButton extends StatefulWidget {
  final IconData icon;
  final bool isPrimary;
  final double? size;
  final VoidCallback onTap;

  const _ControlButton({
    required this.icon,
    this.isPrimary = false,
    this.size,
    required this.onTap,
  });

  @override
  State<_ControlButton> createState() => _ControlButtonState();
}

class _ControlButtonState extends State<_ControlButton>
    with SingleTickerProviderStateMixin {
  late AnimationController _animationController;
  late Animation<double> _scaleAnimation;
  bool _isPressed = false;

  @override
  void initState() {
    super.initState();
    _animationController = AnimationController(
      duration: const Duration(milliseconds: 100),
      vsync: this,
    );
    _scaleAnimation = Tween<double>(begin: 1.0, end: 0.95).animate(
      CurvedAnimation(
        parent: _animationController,
        curve: Curves.easeOut,
      ),
    );
  }

  @override
  void dispose() {
    _animationController.dispose();
    super.dispose();
  }

  void _handleTapDown(TapDownDetails details) {
    setState(() => _isPressed = true);
    _animationController.forward();
  }

  void _handleTapUp(TapUpDetails details) {
    setState(() => _isPressed = false);
    _animationController.reverse();
  }

  void _handleTapCancel() {
    setState(() => _isPressed = false);
    _animationController.reverse();
  }

  @override
  Widget build(BuildContext context) {
    final size = widget.size ?? (widget.isPrimary ? 50 : 40);

    return GestureDetector(
      onTapDown: _handleTapDown,
      onTapUp: _handleTapUp,
      onTapCancel: _handleTapCancel,
      onTap: widget.onTap,
      child: ScaleTransition(
        scale: _scaleAnimation,
        child: Container(
          width: size,
          height: size,
          decoration: BoxDecoration(
            color: widget.isPrimary
                ? AppColors.cyan
                : AppColors.surfaceVariant,
            shape: BoxShape.circle,
            boxShadow: widget.isPrimary ? AppColors.cyanGlow : null,
          ),
          child: Icon(
            widget.icon,
            color: widget.isPrimary ? AppColors.primary : AppColors.onSurface,
            size: size * 0.5,
          ),
        ),
      ),
    );
  }
}