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yogibook_aury_app/lib/screens/teacher_class_detail_page.dart
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16 KiB
Dart

import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import '../services/teacher_api.dart';
import '../widgets/yogibook_background.dart';
import 'teacher_reprogram_page.dart';
import 'teacher_add_participant_page.dart';
/// Dettaglio di una classe (vista insegnante).
/// Fase 2a: elenco iscritti + segna persa / ripristina.
class TeacherClassDetailPage extends StatefulWidget {
final String token;
final TeacherClass cls;
const TeacherClassDetailPage({
super.key,
required this.token,
required this.cls,
});
@override
State<TeacherClassDetailPage> createState() => _TeacherClassDetailPageState();
}
class _TeacherClassDetailPageState extends State<TeacherClassDetailPage> {
static const Color kGreen = Color(0xFF10B981);
// copia locale modificabile dei partecipanti (per aggiornare la UI)
late List<TeacherParticipant> _participants;
int _busyBookingId =
0; // booking in aggiornamento (per disabilitare il tasto)
@override
void initState() {
super.initState();
_participants = List.of(widget.cls.participants);
}
String _fmtDate(String iso) {
final dt = DateTime.tryParse(iso);
if (dt == null) return iso;
final s = DateFormat("EEEE d MMMM yyyy", 'it_IT').format(dt);
return s[0].toUpperCase() + s.substring(1);
}
String _fmtTime(String iso) {
final dt = DateTime.tryParse(iso);
if (dt == null) return '';
return DateFormat('HH:mm').format(dt);
}
void _snack(String msg) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(msg)));
}
Future<void> _toggleLost(TeacherParticipant p) async {
final markLost = !p.isLost;
// conferma solo quando si segna persa (azione visibile all'allievo)
if (markLost) {
final ok = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('Segnare come persa?'),
content: Text(
'Vuoi segnare la lezione di ${p.fullName} come persa? '
'Resterà registrata e non tornerà disponibile all\'allievo.',
),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx, false),
child: const Text('Annulla'),
),
ElevatedButton(
onPressed: () => Navigator.pop(ctx, true),
child: const Text('Segna persa'),
),
],
),
);
if (ok != true) return;
}
setState(() => _busyBookingId = p.bookingId);
try {
await TeacherApi.setLost(
token: widget.token,
bookingId: p.bookingId,
lost: markLost,
);
// aggiorna la copia locale sostituendo il partecipante
final idx = _participants.indexWhere((x) => x.bookingId == p.bookingId);
if (idx != -1) {
setState(() {
_participants[idx] = TeacherParticipant(
bookingId: p.bookingId,
fullName: p.fullName,
isLost: markLost,
);
});
}
_snack(markLost ? 'Segnata come persa.' : 'Ripristinata.');
} catch (e) {
_snack('$e');
} finally {
if (mounted) setState(() => _busyBookingId = 0);
}
}
Future<void> _deleteBooking(TeacherParticipant p) async {
final ok = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('Eliminare la prenotazione?'),
content: Text(
'Vuoi rimuovere ${p.fullName} da questa classe? '
'Il posto tornerà disponibile all\'allievo. L\'azione non è reversibile.',
),
actions: [
TextButton(
onPressed: () => Navigator.pop(ctx, false),
child: const Text('Annulla'),
),
ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFFC0392B),
),
onPressed: () => Navigator.pop(ctx, true),
child: const Text('Elimina'),
),
],
),
);
if (ok != true) return;
setState(() => _busyBookingId = p.bookingId);
try {
await TeacherApi.deleteBooking(
token: widget.token,
bookingId: p.bookingId,
);
setState(() {
_participants.removeWhere((x) => x.bookingId == p.bookingId);
});
_snack('Prenotazione eliminata.');
} catch (e) {
_snack('$e');
} finally {
if (mounted) setState(() => _busyBookingId = 0);
}
}
Future<void> _reprogram(TeacherParticipant p) async {
final done = await Navigator.push<bool>(
context,
MaterialPageRoute(
builder: (_) => TeacherReprogramPage(
token: widget.token,
bookingId: p.bookingId,
participantName: p.fullName,
),
),
);
// Se riprogrammata, la prenotazione non è più in questa classe: rimuovila.
if (done == true && mounted) {
setState(() {
_participants.removeWhere((x) => x.bookingId == p.bookingId);
});
_snack('${p.fullName} riprogrammata.');
}
}
@override
Widget build(BuildContext context) {
final active = _participants.where((p) => !p.isLost).toList();
final lost = _participants.where((p) => p.isLost).toList();
final cls = widget.cls;
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.transparent,
elevation: 0,
centerTitle: true,
title: const Text(
'Dettaglio classe',
style: TextStyle(fontWeight: FontWeight.w800, fontSize: 18),
),
),
body: YogibookBackground(
child: SafeArea(
top: false,
child: ListView(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 24),
children: [
_headerCard(),
const SizedBox(height: 18),
_sectionLabel('Iscritti (${active.length})'),
const SizedBox(height: 8),
if (active.isEmpty)
_emptyRow('Nessun iscritto attivo.')
else
...active.map((p) => _tile(p)),
if (lost.isNotEmpty) ...[
const SizedBox(height: 18),
_sectionLabel('Lezioni perse (${lost.length})'),
const SizedBox(height: 8),
...lost.map((p) => _tile(p)),
],
const SizedBox(height: 20),
SizedBox(
width: double.infinity,
height: 50,
child: ElevatedButton.icon(
style: ElevatedButton.styleFrom(
backgroundColor: kGreen,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(14),
),
),
icon: const Icon(Icons.person_add_alt_1, color: Colors.white),
label: const Text(
'Aggiungi partecipante',
style: TextStyle(
fontWeight: FontWeight.w900,
color: Colors.white,
),
),
onPressed: _openAddParticipant,
),
),
],
),
),
),
);
}
Future<void> _openAddParticipant() async {
final added = await Navigator.push<bool>(
context,
MaterialPageRoute(
builder: (_) =>
TeacherAddParticipantPage(token: widget.token, cls: widget.cls),
),
);
if (added == true && mounted) {
_snack(
'Partecipante aggiunto. Aggiorna il pannello per vedere la lista.',
);
// torna al pannello classi, che ricaricando mostrerà i dati aggiornati
Navigator.pop(context, true);
}
}
Widget _headerCard() {
final cls = widget.cls;
final isFull = cls.isFull;
final fillColor = isFull
? const Color(0xFFC0392B)
: (cls.maxCapacity > 0 && cls.bookedCount >= cls.maxCapacity - 1)
? const Color(0xFFE67E22)
: const Color(0xFF1A7F52);
return Container(
padding: const EdgeInsets.all(18),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(18),
boxShadow: const [
BoxShadow(
blurRadius: 18,
color: Color(0x12000000),
offset: Offset(0, 10),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
cls.className,
style: const TextStyle(fontSize: 20, fontWeight: FontWeight.w900),
),
const SizedBox(height: 10),
Row(
children: [
const Icon(Icons.event, size: 18, color: Colors.black45),
const SizedBox(width: 8),
Expanded(
child: Text(
_fmtDate(cls.dateTime),
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: Color(0xFF404040),
),
),
),
],
),
const SizedBox(height: 6),
Row(
children: [
const Icon(Icons.schedule, size: 18, color: Colors.black45),
const SizedBox(width: 8),
Text(
_fmtTime(cls.dateTime),
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w700,
color: Color(0xFF404040),
),
),
],
),
const SizedBox(height: 14),
Container(
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 8),
decoration: BoxDecoration(
color: fillColor.withOpacity(0.12),
borderRadius: BorderRadius.circular(20),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.group, size: 16, color: fillColor),
const SizedBox(width: 6),
Text(
'${cls.bookedCount} / ${cls.maxCapacity} posti',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w800,
color: fillColor,
),
),
if (isFull) ...[
const SizedBox(width: 8),
Text(
'· AL COMPLETO',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w900,
color: fillColor,
),
),
],
],
),
),
],
),
);
}
Widget _sectionLabel(String t) => Text(
t.toUpperCase(),
style: const TextStyle(
fontSize: 12,
fontWeight: FontWeight.w900,
color: Colors.black54,
letterSpacing: 0.5,
),
);
Widget _emptyRow(String msg) => Container(
padding: const EdgeInsets.symmetric(vertical: 18, horizontal: 14),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(14),
),
child: Text(msg, style: const TextStyle(color: Colors.black45)),
);
Color _avatarColor(String seed) {
const palette = [
Color(0xFF1EBF73),
Color(0xFF2980B9),
Color(0xFF8E44AD),
Color(0xFFE67E22),
Color(0xFF16A085),
Color(0xFFC0392B),
Color(0xFF2C3E50),
Color(0xFFD35400),
];
int h = 0;
for (final c in seed.codeUnits) {
h = (h + c) % palette.length;
}
return palette[h];
}
String _initials(String fullName) {
final parts = fullName.trim().split(RegExp(r'\s+'));
if (parts.isEmpty || parts.first.isEmpty) return '?';
final a = parts.first[0];
final b = parts.length > 1 ? parts.last[0] : '';
return (a + b).toUpperCase();
}
Widget _tile(TeacherParticipant p) {
final lost = p.isLost;
final busy = _busyBookingId == p.bookingId;
return Container(
margin: const EdgeInsets.only(bottom: 8),
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(14),
border: lost ? Border.all(color: const Color(0xFFF3D6D2)) : null,
boxShadow: const [
BoxShadow(
blurRadius: 10,
color: Color(0x0A000000),
offset: Offset(0, 4),
),
],
),
child: Row(
children: [
Container(
width: 42,
height: 42,
alignment: Alignment.center,
decoration: BoxDecoration(
color: lost ? const Color(0xFF9AA5A6) : _avatarColor(p.fullName),
shape: BoxShape.circle,
),
child: Text(
_initials(p.fullName),
style: const TextStyle(
color: Colors.white,
fontWeight: FontWeight.w800,
fontSize: 15,
),
),
),
const SizedBox(width: 12),
Expanded(
child: Text(
p.fullName,
style: TextStyle(
fontWeight: FontWeight.w700,
fontSize: 15,
color: lost ? Colors.black54 : Colors.black87,
decoration: lost ? TextDecoration.lineThrough : null,
),
),
),
// chip stato
Container(
margin: const EdgeInsets.only(right: 8),
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
decoration: BoxDecoration(
color: lost ? const Color(0xFF1F2937) : const Color(0xFFE3F2EC),
borderRadius: BorderRadius.circular(20),
),
child: Text(
lost ? 'Persa' : 'Presente',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w800,
color: lost ? Colors.white : const Color(0xFF1A7F52),
),
),
),
// pulsanti azione
busy
? const SizedBox(
width: 36,
height: 36,
child: Padding(
padding: EdgeInsets.all(8),
child: CircularProgressIndicator(strokeWidth: 2),
),
)
: Row(
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
onPressed: () => _toggleLost(p),
tooltip: lost ? 'Ripristina' : 'Segna persa',
icon: Icon(
lost ? Icons.undo_rounded : Icons.person_off_rounded,
color: lost
? const Color(0xFF1A7F52)
: const Color(0xFFC0392B),
),
),
if (!lost)
IconButton(
onPressed: () => _reprogram(p),
tooltip: 'Riprogramma',
icon: const Icon(
Icons.event_repeat_rounded,
color: Color(0xFF2980B9),
),
),
IconButton(
onPressed: () => _deleteBooking(p),
tooltip: 'Elimina prenotazione',
icon: const Icon(
Icons.delete_outline_rounded,
color: Colors.black45,
),
),
],
),
],
),
);
}
}