Initialer Commit: Projekt Start

lib/screens/password_reset_screen.dart

@@ -0,0 +1,172 @@
+import 'package:flutter/material.dart';
+import 'package:email_validator/email_validator.dart';
+import '../services/auth_service.dart';
+import '../utils/error_handler.dart';
+
+class PasswordResetScreen extends StatefulWidget {
+  const PasswordResetScreen({super.key});
+
+  @override
+  State<PasswordResetScreen> createState() => _PasswordResetScreenState();
+}
+
+class _PasswordResetScreenState extends State<PasswordResetScreen> {
+  final _formKey = GlobalKey<FormState>();
+  final _emailController = TextEditingController();
+  bool _isLoading = false;
+  bool _emailSent = false;
+
+  @override
+  void dispose() {
+    _emailController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _handlePasswordReset() async {
+    if (!_formKey.currentState!.validate()) {
+      return;
+    }
+
+    setState(() {
+      _isLoading = true;
+    });
+
+    try {
+      final authService = AuthService();
+      final result = await authService.requestPasswordReset(
+        _emailController.text.trim(),
+      );
+
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+          _emailSent = result['success'] == true;
+        });
+
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(result['message'] ?? 'E-Mail wurde gesendet'),
+            backgroundColor: result['success'] == true ? Colors.green : Colors.orange,
+          ),
+        );
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+        });
+        ErrorHandler.showError(context, e);
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Passwort zurücksetzen'),
+      ),
+      body: SafeArea(
+        child: SingleChildScrollView(
+          padding: const EdgeInsets.all(24),
+          child: Form(
+            key: _formKey,
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                Icon(
+                  Icons.lock_reset,
+                  size: 80,
+                  color: Theme.of(context).primaryColor,
+                ),
+                const SizedBox(height: 16),
+                Text(
+                  _emailSent ? 'E-Mail gesendet' : 'Passwort zurücksetzen',
+                  style: Theme.of(context).textTheme.headlineSmall?.copyWith(
+                        fontWeight: FontWeight.bold,
+                      ),
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 8),
+                Text(
+                  _emailSent
+                      ? 'Wir haben dir eine E-Mail mit Anweisungen zum Zurücksetzen deines Passworts gesendet.'
+                      : 'Gib deine E-Mail-Adresse ein und wir senden dir einen Link zum Zurücksetzen deines Passworts.',
+                  style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                        color: Colors.grey[600],
+                      ),
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 32),
+
+                if (!_emailSent) ...[
+                  TextFormField(
+                    controller: _emailController,
+                    decoration: InputDecoration(
+                      labelText: 'E-Mail',
+                      prefixIcon: const Icon(Icons.email),
+                      border: OutlineInputBorder(
+                        borderRadius: BorderRadius.circular(8),
+                      ),
+                    ),
+                    keyboardType: TextInputType.emailAddress,
+                    textInputAction: TextInputAction.done,
+                    onFieldSubmitted: (_) => _handlePasswordReset(),
+                    validator: (value) {
+                      if (value == null || value.isEmpty) {
+                        return 'Bitte gib deine E-Mail ein';
+                      }
+                      if (!EmailValidator.validate(value)) {
+                        return 'Bitte gib eine gültige E-Mail ein';
+                      }
+                      return null;
+                    },
+                  ),
+                  const SizedBox(height: 24),
+                  ElevatedButton(
+                    onPressed: _isLoading ? null : _handlePasswordReset,
+                    style: ElevatedButton.styleFrom(
+                      backgroundColor: const Color(0xFF8B6F47),
+                      foregroundColor: Colors.white,
+                      padding: const EdgeInsets.symmetric(vertical: 16),
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(8),
+                      ),
+                    ),
+                    child: _isLoading
+                        ? const SizedBox(
+                            height: 20,
+                            width: 20,
+                            child: CircularProgressIndicator(
+                              strokeWidth: 2,
+                              valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
+                            ),
+                          )
+                        : const Text(
+                            'Reset-Link senden',
+                            style: TextStyle(fontSize: 16),
+                          ),
+                  ),
+                ] else ...[
+                  Icon(
+                    Icons.check_circle,
+                    size: 64,
+                    color: Colors.green,
+                  ),
+                  const SizedBox(height: 16),
+                  ElevatedButton(
+                    onPressed: () {
+                      Navigator.of(context).pop();
+                    },
+                    child: const Text('Zurück zum Login'),
+                  ),
+                ],
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+