1import 'package:blood_pressure_app/data_util/repository_builder.dart';
 2import 'package:blood_pressure_app/features/data_picker/interval_picker.dart';
 3import 'package:blood_pressure_app/features/statistics/blood_pressure_distribution.dart';
 4import 'package:blood_pressure_app/features/statistics/clock_bp_graph.dart';
 5import 'package:blood_pressure_app/l10n/app_localizations.dart';
 6import 'package:blood_pressure_app/model/blood_pressure_analyzer.dart';
 7import 'package:blood_pressure_app/model/storage/interval_store.dart';
 8import 'package:flutter/material.dart';
 9import 'package:health_data_store/health_data_store.dart';
10import 'package:provider/provider.dart';
11
12/// A page that shows statistics about stored blood pressure values.
13class StatisticsScreen extends StatefulWidget {
14  /// Create a screen to various display statistics.
15  const StatisticsScreen({super.key});
16
17  @override
18  State<StatisticsScreen> createState() => _StatisticsScreenState();
19}
20
21class _StatisticsScreenState extends State<StatisticsScreen> {
22  @override
23  Widget build(BuildContext context) {
24    final localizations = AppLocalizations.of(context)!;
25    return Scaffold(
26      appBar: AppBar(
27        title: Text(localizations.statistics),
28      ),
29      body: RepositoryBuilder<BloodPressureRecord, BloodPressureRepository>(
30        rangeType: IntervalStoreManagerLocation.statsPage,
31        onData: (context, records) {
32          final manager = context.watch<IntervalStoreManager>();
33          final timeLimitRange = manager.get(IntervalStoreManagerLocation.statsPage)
34              .timeLimitRange;
35          if (timeLimitRange != null) {
36            records = records.where((r) {
37              final time = TimeOfDay.fromDateTime(r.time);
38              return time.isAfter(timeLimitRange.start) && time.isBefore(timeLimitRange.end);
39            }).toList();
40          }
41          final analyzer = BloodPressureAnalyser(records.toList());
42          return ListView(
43            children: [
44              _buildSubTitle(localizations.statistics,),
45              ListTile(
46                title: Text(localizations.measurementCount),
47                trailing: Text(
48                  records.length.toString(),
49                  style: Theme.of(context).textTheme.headlineSmall,
50                ),
51              ),
52              ListTile(
53                title: Text(localizations.measurementsPerDay),
54                trailing: Text(
55                  analyzer.measurementsPerDay?.toString() ?? '-',
56                  style: Theme.of(context).textTheme.headlineSmall,
57                ),
58              ),
59              _buildSubTitle(localizations.valueDistribution,),
60              Container(
61                height: 260,
62                padding: const EdgeInsets.symmetric(horizontal: 16.0),
63                child: BloodPressureDistribution(
64                  records: records,
65                ),
66              ),
67              _buildSubTitle(localizations.timeResolvedMetrics),
68              ClockBpGraph(measurements: records),
69            ],
70          );
71        },
72      ),
73      persistentFooterButtons: [Container(
74        height: 76.0,
75        margin: const EdgeInsets.only(top: 8.0, bottom: 6.0),
76        child: const IntervalPicker(type: IntervalStoreManagerLocation.statsPage,),
77      )],
78    );
79  }
80
81  Widget _buildSubTitle(String text) => ListTile(
82    contentPadding: EdgeInsets.zero,
83    title: Text(
84      text,
85      style: Theme.of(context).textTheme.titleLarge!,
86    ),
87  );
88}