import 'package:flutter/material.dart';

import '../../../../core/theme/colors.dart';
import '../../../../domain/entities/track.dart';

/// Queue Track Tile Widget
///
/// Displays a track in the queue with:
/// - Track info (art, title, artist, duration)
/// - Remove button
/// - Drag handle
/// - Visual indication for currently playing track
class QueueTrackTile extends StatelessWidget {
  final Track track;
  final bool isPlaying;
  final int index;
  final VoidCallback? onTap;
  final VoidCallback? onRemove;
  final bool isDragging;

  const QueueTrackTile({
    super.key,
    required this.track,
    this.isPlaying = false,
    required this.index,
    this.onTap,
    this.onRemove,
    this.isDragging = false,
  });

  @override
  Widget build(BuildContext context) {
    return Container(
      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
      decoration: BoxDecoration(
        color: isPlaying
            ? AppColors.cyan.withOpacity(0.1)
            : AppColors.surfaceVariant,
        borderRadius: BorderRadius.circular(12),
        border: Border.all(
          color: isPlaying
              ? AppColors.cyan.withOpacity(0.3)
              : AppColors.surfaceVariant,
          width: 1,
        ),
        boxShadow: isPlaying
            ? [
                BoxShadow(
                  color: AppColors.cyan.withOpacity(0.1),
                  blurRadius: 10,
                  spreadRadius: 1,
                ),
              ]
            : null,
      ),
      child: Material(
        color: Colors.transparent,
        child: InkWell(
          onTap: onTap,
          borderRadius: BorderRadius.circular(12),
          child: Padding(
            padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
            child: Row(
              children: [
                // Drag handle
                _buildDragHandle(),

                const SizedBox(width: 8),

                // Track number or playing indicator
                _buildTrackIndicator(),

                const SizedBox(width: 12),

                // Album art
                _buildAlbumArt(),

                const SizedBox(width: 12),

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

                const SizedBox(width: 12),

                // Duration
                _buildDuration(),

                const SizedBox(width: 8),

                // Remove button
                if (onRemove != null) _buildRemoveButton(),
              ],
            ),
          ),
        ),
      ),
    );
  }

  Widget _buildDragHandle() {
    return MouseRegion(
      cursor: SystemMouseCursors.grab,
      child: Container(
        padding: const EdgeInsets.symmetric(vertical: 8),
        child: Icon(
          Icons.drag_handle,
          color: AppColors.muted,
          size: 20,
        ),
      ),
    );
  }

  Widget _buildTrackIndicator() {
    if (isPlaying) {
      return SizedBox(
        width: 20,
        child: _PlayingAnimation(),
      );
    }

    return SizedBox(
      width: 20,
      child: Text(
        '${index + 1}',
        style: const TextStyle(
          color: AppColors.muted,
          fontSize: 14,
          fontWeight: FontWeight.w500,
        ),
        textAlign: TextAlign.center,
      ),
    );
  }

  Widget _buildAlbumArt() {
    return Container(
      width: 48,
      height: 48,
      decoration: BoxDecoration(
        gradient: AppColors.accentGradient,
        borderRadius: BorderRadius.circular(8),
        boxShadow: isPlaying ? AppColors.violetGlow : null,
      ),
      child: track.imageUrl != null
          ? ClipRRect(
              borderRadius: BorderRadius.circular(8),
              child: Image.network(
                track.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() {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisSize: MainAxisSize.min,
      children: [
        Text(
          track.title,
          style: TextStyle(
            color: isPlaying ? AppColors.cyan : AppColors.onSurface,
            fontSize: 14,
            fontWeight: isPlaying ? FontWeight.w600 : FontWeight.w500,
          ),
          maxLines: 1,
          overflow: TextOverflow.ellipsis,
        ),
        const SizedBox(height: 2),
        Text(
          track.artist?.name ?? 'Unknown Artist',
          style: const TextStyle(
            color: AppColors.muted,
            fontSize: 12,
          ),
          maxLines: 1,
          overflow: TextOverflow.ellipsis,
        ),
      ],
    );
  }

  Widget _buildDuration() {
    return Text(
      track.formattedDuration,
      style: const TextStyle(
        color: AppColors.muted,
        fontSize: 12,
        fontWeight: FontWeight.w500,
      ),
    );
  }

  Widget _buildRemoveButton() {
    return MouseRegion(
      cursor: SystemMouseCursors.click,
      child: GestureDetector(
        onTap: onRemove,
        child: Container(
          padding: const EdgeInsets.all(8),
          decoration: BoxDecoration(
            color: AppColors.rouge.withOpacity(0.1),
            borderRadius: BorderRadius.circular(8),
          ),
          child: const Icon(
            Icons.close,
            color: AppColors.rouge,
            size: 18,
          ),
        ),
      ),
    );
  }
}

/// Playing Animation Widget
class _PlayingAnimation extends StatefulWidget {
  @override
  State<_PlayingAnimation> createState() => _PlayingAnimationState();
}

class _PlayingAnimationState extends State<_PlayingAnimation>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      duration: const Duration(milliseconds: 800),
      vsync: this,
    )..repeat();
  }

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

  @override
  Widget build(BuildContext context) {
    return AnimatedBuilder(
      animation: _controller,
      builder: (context, child) {
        return Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: List.generate(3, (index) {
            final delay = index * 0.2;
            final animation = _controller
                .drive(CurveTween(curve: Curves.easeInOut))
                .drive(Tween<double>(begin: 0.3, end: 1.0));

            return Transform.scale(
              scale: (animation.value - delay + 1) % 1 * 0.7 + 0.3,
              child: Container(
                width: 3,
                height: 12,
                margin: const EdgeInsets.symmetric(horizontal: 1),
                decoration: BoxDecoration(
                  color: AppColors.cyan,
                  borderRadius: BorderRadius.circular(2),
                ),
              ),
            );
          }),
        );
      },
    );
  }
}