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

import 'package:timetrack/features/entries/domain/entries_provider.dart';

class TodaySummaryCard extends ConsumerWidget {
  const TodaySummaryCard({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final now = DateTime.now();
    final todayStart = DateTime(now.year, now.month, now.day);
    final todayEnd = todayStart.add(const Duration(days: 1));

    final entriesAsync = ref.watch(
      entriesByDateRangeProvider(rangeFrom: todayStart, rangeTo: todayEnd),
    );

    return entriesAsync.when(
      data: (entries) {
        final completed = entries.where((e) => e.endTime != null).toList();
        final total = completed.fold<int>(
          0,
          (sum, e) => sum + (e.durationSeconds ?? 0),
        );
        final totalDuration = Duration(seconds: total);

        return Card(
          margin: const EdgeInsets.symmetric(horizontal: 24, vertical: 8),
          child: Padding(
            padding: const EdgeInsets.all(16),
            child: Row(
              children: [
                const Icon(Icons.today_outlined),
                const SizedBox(width: 12),
                Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text(
                      'Today',
                      style: Theme.of(context).textTheme.labelMedium,
                    ),
                    Text(
                      _formatDuration(totalDuration),
                      style: Theme.of(context).textTheme.titleMedium?.copyWith(
                            fontWeight: FontWeight.bold,
                          ),
                    ),
                  ],
                ),
                const Spacer(),
                Text(
                  '${completed.length} entr${completed.length == 1 ? 'y' : 'ies'}',
                  style: Theme.of(context).textTheme.bodySmall,
                ),
              ],
            ),
          ),
        );
      },
      loading: () => const SizedBox.shrink(),
      error: (e, st) => const SizedBox.shrink(),
    );
  }

  String _formatDuration(Duration d) {
    final h = d.inHours;
    final m = d.inMinutes % 60;
    if (h > 0) return '${h}h ${m}m';
    if (m > 0) return '${m}m';
    return '0m';
  }
}