import 'package:finlytic_app/core/widgets/status_badge.dart';
import 'package:finlytic_app/features/favorites/cubit/favorites_cubit.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../../core/network/api_client.dart';
import '../../../core/theme/app_theme.dart';
import '../../../core/utils/time_utils.dart';
import '../../../core/widgets/glass_container.dart';

import '../../asset_detail/views/asset_detail_screen.dart';
import '../models/news_article_model.dart';
import 'article_sentiment_dialog.dart';

/// News Card Item displaying news info, tagged assets, timestamp, and sentiment badge (wie auf dem Dashboard).
class NewsCardItem extends StatelessWidget {
  final dynamic item;
  final ApiClient apiClient;
  final ValueChanged<NewsArticleModel>? onArticleUpdated;

  const NewsCardItem({
    super.key,
    required this.item,
    required this.apiClient,
    this.onArticleUpdated,
  });

  @override
  Widget build(BuildContext context) {
    final Map<String, dynamic> article = item is NewsArticleModel
        ? (item as NewsArticleModel).toJson()
        : (item is Map && item.containsKey('article') && item['article'] is Map
            ? Map<String, dynamic>.from(item['article'])
            : (item is Map ? Map<String, dynamic>.from(item) : {}));

    final Map<String, dynamic>? sentimentObj = (item is Map && item.containsKey('sentiment') && item['sentiment'] is Map)
        ? Map<String, dynamic>.from(item['sentiment'])
        : null;

    final title = article['title']?.toString() ?? article['Title']?.toString() ?? 'Nachrichtenartikel';
    final summary = article['summary']?.toString() ?? article['Summary']?.toString() ?? article['contentRaw']?.toString() ?? '';
    final author = article['author']?.toString() ?? article['Author']?.toString() ?? article['source']?.toString() ?? 'Finlytic News';
    final rawPubTime = article['publishedAt']?.toString() ?? article['PublishedAt']?.toString() ?? article['scrapedAt']?.toString();
    final formattedTime = TimeUtils.formatRelativeTime(rawPubTime);
    final pubTime = formattedTime.isNotEmpty ? formattedTime : 'Heute';
    final rawStatus = article['status']?.toString() ?? article['Status']?.toString() ?? 'Completed';

    final String? sentimentLabel = sentimentObj?['label']?.toString() ?? article['sentiment']?.toString();
    final double? score = ((sentimentObj?['compoundScore'] ?? sentimentObj?['compound_score'] ?? article['sentimentScore']) as num?)?.toDouble();

    final Widget? badgeWidget = (sentimentLabel != null && sentimentLabel.trim().isNotEmpty)
        ? StatusBadge.sentiment(sentimentLabel, score: score)
        : null;

    final matchedAssetsRaw = article['MatchedAssets'] ?? article['matchedAssets'];
    final matchedAssets = matchedAssetsRaw is List ? matchedAssetsRaw : [];

    final favourites = context.read<FavoritesCubit>().state.favoriteDetails;

    return GlassContainer(
      margin: const EdgeInsets.only(bottom: 12),
      onTap: () {
        final NewsArticleModel articleModel;
        if (item is NewsArticleModel) {
          articleModel = item;
        } else if (item is Map<String, dynamic>) {
          articleModel = NewsArticleModel.fromJson(item);
        } else if (item is Map) {
          articleModel = NewsArticleModel.fromJson(Map<String, dynamic>.from(item));
        } else {
          articleModel = NewsArticleModel(
            id: '',
            title: title,
            author: author,
            summary: summary,
            contentRaw: '',
            sourceUrl: '',
            scrapedAt: DateTime.now(),
            publishedAt: DateTime.now(),
            status: rawStatus,
            sentiment: sentimentLabel ?? 'NEUTRAL',
            sentimentScore: score ?? 0.0,
            confidence: 0.0,
          );
        }
        showDialog(
          context: context,
          builder: (_) => ArticleSentimentDialog(
            articleData: articleModel,
            apiClient: apiClient,
            onArticleUpdated: onArticleUpdated,
          ),
        );
      },
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Expanded(
                child: Text(
                  title,
                  style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 14.5),
                  maxLines: 2,
                  overflow: TextOverflow.ellipsis,
                ),
              ),
              if (badgeWidget != null) ...[
                const SizedBox(width: 8),
                badgeWidget,
              ],
            ],
          ),
          if (summary.isNotEmpty) ...[
            const SizedBox(height: 8),
            Text(
              summary,
              maxLines: 2,
              overflow: TextOverflow.ellipsis,
              style: TextStyle(color: AppTheme.textSecondary, fontSize: 12.5),
            ),
          ],
          const SizedBox(height: 10),
          Text('$author • $pubTime', style: TextStyle(color: AppTheme.textMuted, fontSize: 11)),
          if (matchedAssets.isNotEmpty) ...[
            const SizedBox(height: 8),
            Wrap(
              spacing: 6,
              runSpacing: 4,
              children: matchedAssets.map((assetItem) {
                final String isin = (assetItem is Map ? (assetItem['isin'] ?? assetItem['Isin']) : assetItem)?.toString() ?? '';
                final String name = (assetItem is Map ? (assetItem['name'] ?? assetItem['Name'] ?? assetItem['symbol'] ?? isin) : isin)?.toString() ?? isin;
                final match = favourites.where((e) => e.isin == isin);
                final symbol = match.isEmpty ? null : match.first;
                return ActionChip(
                  avatar: Icon(Icons.show_chart, size: 14, color: AppTheme.accentCyan),
                  label: Text(name, style: TextStyle(fontSize: 11, color: AppTheme.accentCyan, fontWeight: FontWeight.bold)),
                  backgroundColor: AppTheme.glassSurface,
                  side: BorderSide(color: AppTheme.glassBorder),
                  padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 0),
                  materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
                  onPressed: () {
                    if (isin.isNotEmpty) {
                      Navigator.push(
                        context,
                        MaterialPageRoute(
                          builder: (_) => AssetDetailScreen(
                            isin: isin,
                            name: name,
                            symbol: symbol != null ? symbol.symbol : null,
                            apiClient: apiClient,
                          ),
                        ),
                      );
                    }
                  },
                );
              }).toList(),
            ),
          ],
        ],
      ),
    );
  }
}