import 'package:flutter/material.dart';

import '../models/video_item.dart';

class VideoResultCard extends StatelessWidget {
  const VideoResultCard({
    super.key,
    required this.video,
    required this.onTap,
    this.trailing,
  });

  final VideoItem video;
  final VoidCallback onTap;
  final Widget? trailing;

  @override
  Widget build(BuildContext context) {
    final isWide = MediaQuery.sizeOf(context).width >= 700;

    return Material(
      color: Colors.transparent,
      child: InkWell(
        onTap: onTap,
        borderRadius: BorderRadius.circular(14),
        child: Padding(
          padding: EdgeInsets.all(8),
          child: Row(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Expanded(child: isWide ? _buildWide(context) : _buildCompact(context)),
              if (trailing != null) trailing!,
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildWide(BuildContext context) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        SizedBox(
          width: 300,
          child: _Thumbnail(video: video),
        ),
        SizedBox(width: 18),
        Expanded(
          child: Padding(
            padding: EdgeInsets.only(top: 4, right: 12),
            child: _VideoText(video: video),
          ),
        ),
      ],
    );
  }

  Widget _buildCompact(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        _Thumbnail(video: video),
        SizedBox(height: 10),
        Padding(
          padding: EdgeInsets.symmetric(horizontal: 2),
          child: _VideoText(video: video),
        ),
      ],
    );
  }
}

class _Thumbnail extends StatelessWidget {
  const _Thumbnail({required this.video});

  final VideoItem video;

  @override
  Widget build(BuildContext context) {
    return AspectRatio(
      aspectRatio: 16 / 9,
      child: ClipRRect(
        borderRadius: BorderRadius.circular(12),
        child: Stack(
          fit: StackFit.expand,
          children: [
            ColoredBox(
              color: Theme.of(context).colorScheme.surfaceContainerHigh,
              child: Image.network(
                video.thumbnailUrl,
                fit: BoxFit.cover,
                errorBuilder: (context, error, stackTrace) {
                  return Center(
                    child: Icon(
                      Icons.broken_image_outlined,
                      size: 42,
                      color: Theme.of(context).colorScheme.onSurfaceVariant.withValues(alpha: 0.62),
                    ),
                  );
                },
                loadingBuilder: (context, child, loadingProgress) {
                  if (loadingProgress == null) {
                    return child;
                  }

                  return Center(
                    child: CircularProgressIndicator(strokeWidth: 2),
                  );
                },
              ),
            ),
            if (video.durationLabel.isNotEmpty)
              Positioned(
                right: 7,
                bottom: 7,
                child: DecoratedBox(
                  decoration: BoxDecoration(
                    color: Colors.black87,
                    borderRadius: BorderRadius.circular(5),
                  ),
                  child: Padding(
                    padding: EdgeInsets.symmetric(
                      horizontal: 6,
                      vertical: 3,
                    ),
                    child: Text(
                      video.durationLabel,
                      style: TextStyle(
                        color: Colors.white,
                        fontSize: 12,
                        fontWeight: FontWeight.w600,
                      ),
                    ),
                  ),
                ),
              ),
          ],
        ),
      ),
    );
  }
}

class _VideoText extends StatelessWidget {
  const _VideoText({required this.video});

  final VideoItem video;

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(
          video.title,
          maxLines: 2,
          overflow: TextOverflow.ellipsis,
          style: TextStyle(
            fontSize: 16,
            height: 1.25,
            fontWeight: FontWeight.w600,
          ),
        ),
        SizedBox(height: 7),
        Row(
          children: [
            Icon(
              Icons.account_circle_outlined,
              size: 18,
              color: Theme.of(context).colorScheme.onSurfaceVariant.withValues(alpha: 0.86),
            ),
            SizedBox(width: 6),
            Expanded(
              child: Text(
                video.author,
                maxLines: 1,
                overflow: TextOverflow.ellipsis,
                style: TextStyle(
                  color: Theme.of(context).colorScheme.onSurfaceVariant.withValues(alpha: 0.86),
                  fontSize: 14,
                ),
              ),
            ),
          ],
        ),
        if (video.viewCount != null ||
            video.likeCount != null) ...[
          SizedBox(height: 6),
          Text(
            [
              if (video.viewCount != null)
                '${_compact(video.viewCount!)} vues',
              if (video.likeCount != null)
                '${_compact(video.likeCount!)} likes',
            ].join(' • '),
            maxLines: 1,
            overflow: TextOverflow.ellipsis,
            style: TextStyle(
              color: Color(0x73FFFFFF),
              fontSize: 12,
            ),
          ),
        ],
        if (video.description.trim().isNotEmpty) ...[
          SizedBox(height: 6),
          Text(
            video.description
                .replaceAll(RegExp(r'\s+'), ' ')
                .trim(),
            maxLines: 2,
            overflow: TextOverflow.ellipsis,
            style: TextStyle(
              color: Theme.of(context).colorScheme.onSurfaceVariant.withValues(alpha: 0.62),
              fontSize: 12,
              height: 1.3,
            ),
          ),
        ],
      ],
    );
  }

  String _compact(int value) {
    if (value >= 1000000000) {
      return '${(value / 1000000000).toStringAsFixed(value >= 10000000000 ? 0 : 1)} Md';
    }
    if (value >= 1000000) {
      return '${(value / 1000000).toStringAsFixed(value >= 10000000 ? 0 : 1)} M';
    }
    if (value >= 1000) {
      return '${(value / 1000).toStringAsFixed(value >= 10000 ? 0 : 1)} k';
    }
    return '$value';
  }
}