Notes

import 'package:flutter/material.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_auth/firebase_auth.dart';

class NotificationsPage extends StatefulWidget {
const NotificationsPage({super.key});

@override
State<NotificationsPage> createState() => _NotificationsPageState();
}

class _NotificationsPageState extends State<NotificationsPage> {
final currentUser = FirebaseAuth.instance.currentUser!;
bool selectionMode = false;
Set<String> selectedIds = {};
bool selectAll = false;

void _toggleSelection(String id) {
setState(() {
if (selectedIds.contains(id)) {
selectedIds.remove(id);
} else {
selectedIds.add(id);
}
});
}

void _toggleSelectAll(List<String> allIds) {
setState(() {
if (selectAll) {
selectedIds.clear();
selectAll = false;
} else {
selectedIds = allIds.toSet();
selectAll = true;
}
});
}

void _confirmDelete() async {
if (selectedIds.isEmpty) return;

final confirmed = await showDialog<bool>(
context: context,
builder: (_) => AlertDialog(
title: const Text("Silmek istediğinize emin misiniz?"),
content: Text("${selectedIds.length} bildirim silinecek."),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text("İptal")),
ElevatedButton(
onPressed: () => Navigator.pop(context, true),
style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
child: const Text("Evet, sil"),
),
],
),
);

if (confirmed == true) {
for (String id in selectedIds) {
await FirebaseFirestore.instance
.collection('notifications')
.doc(id)
.delete();
}
setState(() {
selectedIds.clear();
selectionMode = false;
selectAll = false;
});
}
}

void _markAsRead() async {
if (selectedIds.isEmpty) return;

final confirmed = await showDialog<bool>(
context: context,
builder: (_) => AlertDialog(
title: const Text("Okundu olarak işaretle"),
content:
Text("${selectedIds.length} bildirim okundu olarak işaretlenecek."),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text("İptal")),
ElevatedButton(
onPressed: () => Navigator.pop(context, true),
child: const Text("Evet"),
),
],
),
);

if (confirmed == true) {
for (String id in selectedIds) {
await FirebaseFirestore.instance
.collection('notifications')
.doc(id)
.update({'isRead': true});
}
setState(() {
selectedIds.clear();
selectionMode = false;
selectAll = false;
});
}
}

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text("Notifications"),
backgroundColor: Colors.orange[900],
actions: [
IconButton(
icon: Icon(selectionMode ? Icons.close : Icons.edit),
onPressed: () {
setState(() {
selectionMode = !selectionMode;
selectedIds.clear();
selectAll = false;
});
},
),
],
),
body: StreamBuilder<QuerySnapshot>(
stream: FirebaseFirestore.instance
.collection('notifications')
.where('targetUid', isEqualTo: currentUser.uid)
.orderBy('sentAt', descending: true)
.snapshots(),
builder: (context, snapshot) {
if (!snapshot.hasData)
return const Center(child: CircularProgressIndicator());

final docs = snapshot.data!.docs;
if (docs.isEmpty)
return const Center(child: Text("No notifications yet."));
final allIds = docs.map((doc) => doc.id).toList();

return Column(
children: [
if (selectionMode)
SingleChildScrollView(
scrollDirection: Axis.horizontal,
padding:
const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
child: Row(
children: [
ElevatedButton.icon(
onPressed: () => _toggleSelectAll(allIds),
icon: Icon(selectAll ? Icons.clear : Icons.select_all),
label: Text(selectAll ? "Tümünü Kaldır" : "Tümünü Seç"),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.orange[900]),
),
const SizedBox(width: 8),
ElevatedButton.icon(
onPressed: _markAsRead,
icon: const Icon(Icons.mark_email_read),
label: const Text("Okundu Olarak İşaretle"),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.blue),
),
const SizedBox(width: 8),
ElevatedButton.icon(
onPressed: _confirmDelete,
icon: const Icon(Icons.delete),
label: const Text("Sil"),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red),
),
],
),
),
Expanded(
child: ListView.builder(
itemCount: docs.length,
itemBuilder: (context, index) {
final doc = docs[index];
final data = doc.data() as Map<String, dynamic>;
final id = doc.id;
final title = data['title'] ?? 'No title';
final body = data['message'] ?? '';
final from = data['fromName'] ?? 'Unknown';
final timestamp = (data['sentAt'] as Timestamp?)?.toDate();
final timeString = timestamp != null
? "${timestamp.day}/${timestamp.month}/${timestamp.year} ${timestamp.hour}:${timestamp.minute.toString().padLeft(2, '0')}"
: '';
final isRead = data['isRead'] == true;

return Card(
margin: const EdgeInsets.symmetric(
horizontal: 12, vertical: 8),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
side: BorderSide(
color: isRead ? Colors.grey : Colors.orange[900]!,
width: 1.5,
),
),
color: isRead ? Colors.grey[100] : Colors.orange[50],
child: ListTile(
leading: selectionMode
? Checkbox(
value: selectedIds.contains(id),
onChanged: (_) => _toggleSelection(id),
)
: Icon(
isRead
? Icons.notifications_none
: Icons.notifications_active,
color:
isRead ? Colors.grey : Colors.orange[900],
),
title: Text(
title,
style: TextStyle(
fontWeight: FontWeight.bold,
color: isRead ? Colors.black54 : Colors.black,
),
),
subtitle: Text(
"$bodynFrom: $fromn$timeString",
style: TextStyle(
color: isRead ? Colors.black45 : Colors.black87,
),
),
isThreeLine: true,
onLongPress: () {
setState(() {
selectionMode = true;
_toggleSelection(id);
});
},
onTap: () async {
if (!isRead) {
await FirebaseFirestore.instance
.collection('notifications')
.doc(id)
.update({'isRead': true});
}
},
),
);
},
),
),
],
);
},
),
);
}
}