[client] Password reset plumbing

client/lib/ui/login/login_page.dart

@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:phylum/ui/common/logo_row.dart';
 import 'package:phylum/ui/login/instance_url_fragment.dart';
 import 'package:phylum/ui/login/password_login_fragment.dart';
+import 'package:phylum/util/dialogs.dart';
+import 'package:uri/uri.dart';
 
 import 'login_request.dart';
 
@@ -20,7 +22,9 @@ class _LoginPageState extends State<LoginPage> {
   @override
   void initState() {
     super.initState();
-    _instanceUrl = widget.fixedInstanceUrl;
+    if (widget.fixedInstanceUrl != null) {
+      _instanceUrl = _cleanUrl(widget.fixedInstanceUrl!);
+    }
   }
 
   @override
@@ -53,8 +57,42 @@ class _LoginPageState extends State<LoginPage> {
   Widget _buildBody(BuildContext context) {
     final instanceUrl = _instanceUrl;
     if (instanceUrl == null) {
-      return InstanceUrlFragment(onSubmitted: (url) => setState(() => _instanceUrl = url));
+      return InstanceUrlFragment(onSubmitted: (url) {
+        setState(() => _instanceUrl = _cleanUrl(url));
+      });
     }
-    return PasswordLoginFragment(onSubmitted: (email, password) => performLogin(context, instanceUrl, email, password));
+    return PasswordLoginFragment(
+      onSubmitted: (email, password) => performLogin(context, instanceUrl, email, password),
+      onBackPressed: widget.fixedInstanceUrl == null ? () => setState(() => _instanceUrl = null) : null,
+      onForgotPassword: (email) async {
+        if (email.isEmpty) {
+          showAlertDialog(
+            context,
+            message: 'Please enter email address to reset password',
+            barrierDismissible: true,
+          );
+          return;
+        }
+        final confirm = await showAlertDialog(
+              context,
+              title: 'Reset Password',
+              message: 'This will request a password reset for $email. Do you want to continue?',
+              negativeText: 'No',
+              positiveText: 'Yes',
+              barrierDismissible: true,
+            ) ??
+            false;
+        if (!confirm || !context.mounted) return;
+      },
+    );
+  }
+
+  Uri _cleanUrl(Uri url) {
+    if (url.path.endsWith('/')) {
+      final builder = UriBuilder.fromUri(url);
+      builder.path = url.pathSegments.where((s) => s.isNotEmpty).join('/');
+      return builder.build();
+    }
+    return url;
   }
 }

client/lib/ui/login/login_request.dart

@@ -11,8 +11,6 @@ import 'package:uri/uri.dart';
 
 void performLogin(BuildContext context, Uri instanceUri, String email, String password) async {
   final builder = UriBuilder.fromUri(instanceUri);
-  builder.path = builder.path.split('/').where((s) => s.isNotEmpty).join('/');
-  final cleanServerUrl = builder.build();
 
   showProgressDialog(
     context,
@@ -40,7 +38,7 @@ void performLogin(BuildContext context, Uri instanceUri, String email, String pa
         );
       } else {
         final accountManager = context.read<AccountManager<PhylumAccount>>();
-        final account = await PhylumAccount.createFromLoginResponse(cleanServerUrl, json.cast<String, dynamic>());
+        final account = await PhylumAccount.createFromLoginResponse(instanceUri, json.cast<String, dynamic>());
         accountManager.addAccount(account);
       }
     }

client/lib/ui/login/password_login_fragment.dart

@@ -2,8 +2,15 @@ import 'package:flutter/material.dart';
 
 class PasswordLoginFragment extends StatefulWidget {
   final Function(String, String) onSubmitted;
+  final Function()? onBackPressed;
+  final Function(String) onForgotPassword;
 
-  const PasswordLoginFragment({super.key, required this.onSubmitted});
+  const PasswordLoginFragment({
+    super.key,
+    required this.onSubmitted,
+    required this.onBackPressed,
+    required this.onForgotPassword,
+  });
 
   @override
   State<PasswordLoginFragment> createState() => _PasswordLoginFragmentState();
@@ -16,6 +23,7 @@ class _PasswordLoginFragmentState extends State<PasswordLoginFragment> {
   @override
   Widget build(BuildContext context) {
     return Column(
+      spacing: 12.0,
       children: [
         TextField(
           decoration: const InputDecoration(
@@ -31,13 +39,33 @@ class _PasswordLoginFragmentState extends State<PasswordLoginFragment> {
           obscureText: true,
           keyboardType: TextInputType.visiblePassword,
           onChanged: (value) => setState(() => _password = value),
-          onSubmitted: _email.isNotEmpty ? (value) => widget.onSubmitted(_email, _password) : null,
+          onSubmitted: _email.isEmpty ? null : (value) => widget.onSubmitted(_email, _password),
+        ),
+        TextButton(
+            onPressed: () => widget.onForgotPassword(_email),
+            child: Text(
+              'Forgot Password',
+              style: TextStyle(color: Theme.of(context).colorScheme.primary),
+            )),
+        Row(
+          mainAxisSize: MainAxisSize.max,
+          mainAxisAlignment: MainAxisAlignment.end,
+          spacing: 12.0,
+          children: [
+            if (widget.onBackPressed != null)
+              TextButton(
+                onPressed: widget.onBackPressed,
+                child: Text(
+                  'Back',
+                  style: TextStyle(color: Theme.of(context).colorScheme.error),
+                ),
+              ),
+            ElevatedButton(
+              onPressed: _email.isEmpty || _password.isEmpty ? null : () => widget.onSubmitted(_email, _password),
+              child: Text('Login'),
+            ),
+          ],
         ),
-        TextButton(onPressed: () {}, child: Text('Forgot Password')),
-        ElevatedButton(
-          onPressed: _email.isEmpty || _password.isEmpty ? null : () => widget.onSubmitted(_email, _password),
-          child: Text('Login'),
-        )
       ],
     );
   }