Updated key management to match current version

dialer/lib/presentation/features/settings/cryptography/key_management.dart

@@ -1,145 +1,144 @@
 import 'package:flutter/material.dart';
-import '../../../../domain/services/cryptography/asymmetric_crypto_service.dart';
+import 'package:dialer/services/cryptography/asymmetric_crypto_service.dart';
-import 'package:provider/provider.dart';
 
-/// Cryptographic key management page
 class ManageKeysPage extends StatefulWidget {
+  const ManageKeysPage({Key? key}) : super(key: key);
+
   @override
   _ManageKeysPageState createState() => _ManageKeysPageState();
 }
 
 class _ManageKeysPageState extends State<ManageKeysPage> {
-  String? publicKey;
+  final AsymmetricCryptoService _cryptoService = AsymmetricCryptoService();
+  List<Map<String, dynamic>> _keys = [];
   bool _isLoading = false;
-  bool _hasError = false;
-  String _errorMessage = '';
 
   @override
   void initState() {
     super.initState();
-    _loadPublicKey();
+    _loadKeys();
   }
 
-  Future<void> _loadPublicKey() async {
+  Future<void> _loadKeys() async {
     setState(() {
       _isLoading = true;
-      _hasError = false;
     });
-    
     try {
-      final cryptoService = context.read<AsymmetricCryptoService>();
+      List<Map<String, dynamic>> keys = await _cryptoService.getAllKeys();
-      final key = await cryptoService.getPublicKeyPem();
+      setState(() {
-      
+        _keys = keys;
-      if (mounted) {
+      });
-        setState(() {
-          publicKey = key;
-          _isLoading = false;
-        });
-      }
     } catch (e) {
-      if (mounted) {
+      ScaffoldMessenger.of(context)
-        setState(() {
+          .showSnackBar(SnackBar(content: Text('Error loading keys: $e')));
-          _hasError = true;
+    } finally {
-          _errorMessage = 'Failed to load public key: $e';
+      setState(() {
-          _isLoading = false;
+        _isLoading = false;
-        });
+      });
-      }
     }
   }
 
-  Future<void> _regenerateKeyPair() async {
+  Future<void> _generateKey() async {
     setState(() {
       _isLoading = true;
-      _hasError = false;
     });
-    
     try {
-      final cryptoService = context.read<AsymmetricCryptoService>();
+      await _cryptoService.generateKeyPair();
-      await cryptoService.generateAndStoreKeyPair();
+      await _loadKeys();
-      await _loadPublicKey();
+      ScaffoldMessenger.of(context)
-      
+          .showSnackBar(const SnackBar(content: Text('Key generated successfully')));
-      if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
-          const SnackBar(content: Text('New key pair generated!')),
-        );
-      }
     } catch (e) {
-      if (mounted) {
+      ScaffoldMessenger.of(context)
-        setState(() {
+          .showSnackBar(SnackBar(content: Text('Error generating key: $e')));
-          _hasError = true;
+    } finally {
-          _errorMessage = 'Failed to generate key pair: $e';
+      setState(() {
-          _isLoading = false;
+        _isLoading = false;
-        });
+      });
-        
+    }
-        ScaffoldMessenger.of(context).showSnackBar(
+  }
-          SnackBar(content: Text('Error generating key pair: $e')),
+
-        );
+  Future<void> _deleteKey(String alias) async {
-      }
+    setState(() {
+      _isLoading = true;
+    });
+    try {
+      await _cryptoService.deleteKeyPair(alias);
+      await _loadKeys();
+      ScaffoldMessenger.of(context)
+          .showSnackBar(const SnackBar(content: Text('Key deleted successfully')));
+    } catch (e) {
+      ScaffoldMessenger.of(context)
+          .showSnackBar(SnackBar(content: Text('Error deleting key: $e')));
+    } finally {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+
+  Future<void> _viewPublicKey(String alias) async {
+    try {
+      final publicKey = await _cryptoService.getPublicKey(alias);
+      showDialog(
+        context: context,
+        builder: (_) => AlertDialog(
+          title: const Text('Public Key'),
+          content: SingleChildScrollView(child: Text(publicKey)),
+          actions: [
+            TextButton(
+              child: const Text('Close'),
+              onPressed: () {
+                Navigator.pop(context);
+              },
+            )
+          ],
+        ),
+      );
+    } catch (e) {
+      ScaffoldMessenger.of(context)
+          .showSnackBar(SnackBar(content: Text('Error retrieving public key: $e')));
     }
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: Colors.black,
       appBar: AppBar(
-        title: const Text('Key Management'),
+        title: const Text('Manage Keys'),
       ),
-      body: Padding(
+      body: _isLoading
-        padding: const EdgeInsets.all(16.0),
+          ? const Center(child: CircularProgressIndicator())
-        child: _isLoading
+          : _keys.isEmpty
-            ? const Center(child: CircularProgressIndicator())
+              ? const Center(child: Text('No keys found'))
-            : Column(
+              : ListView.builder(
-                crossAxisAlignment: CrossAxisAlignment.start,
+                  itemCount: _keys.length,
-                children: [
+                  itemBuilder: (context, index) {
-                  const Text(
+                    final keyData = _keys[index];
-                    'Your Public Key',
+                    return ListTile(
-                    style: TextStyle(
+                      title: Text(keyData['label'] ?? 'No label'),
-                      color: Colors.white,
+                      subtitle: Text(keyData['alias'] ?? ''),
-                      fontSize: 18,
+                      trailing: Row(
-                      fontWeight: FontWeight.bold,
+                        mainAxisSize: MainAxisSize.min,
-                    ),
+                        children: [
-                  ),
+                          IconButton(
-                  const SizedBox(height: 8),
+                            icon: const Icon(Icons.visibility),
-                  Container(
+                            tooltip: 'View Public Key',
-                    width: double.infinity,
+                            onPressed: () => _viewPublicKey(keyData['alias']),
-                    padding: const EdgeInsets.all(12),
-                    decoration: BoxDecoration(
-                      color: Colors.grey[900],
-                      borderRadius: BorderRadius.circular(8),
-                    ),
-                    child: _hasError
-                        ? Text(
-                            _errorMessage,
-                            style: const TextStyle(
-                              color: Colors.red,
-                              fontFamily: 'monospace',
-                              fontSize: 12,
-                            ),
-                          )
-                        : Text(
-                            publicKey ?? 'No key available',
-                            style: const TextStyle(
-                              color: Colors.white70,
-                              fontFamily: 'monospace',
-                              fontSize: 12,
-                            ),
                           ),
-                  ),
+                          IconButton(
-                  const SizedBox(height: 24),
+                            icon: const Icon(Icons.delete),
-                  ElevatedButton(
+                            tooltip: 'Delete Key',
-                    onPressed: _regenerateKeyPair,
+                            onPressed: () => _deleteKey(keyData['alias']),
-                    child: const Text('Generate New Key Pair'),
+                          ),
-                  ),
+                        ],
-                  if (_hasError) ...[
+                      ),
-                    const SizedBox(height: 16),
+                    );
-                    const Text(
+                  },
-                      'Note: Encryption features may be limited due to error.',
+                ),
-                      style: TextStyle(color: Colors.yellow),
+      floatingActionButton: FloatingActionButton(
-                    ),
+        onPressed: _generateKey,
-                  ],
+        child: const Icon(Icons.add),
-                ],
+        tooltip: 'Generate New Key',
-              ),
       ),
     );
   }