Add preliminary login form

It seems maybe webview isn’t needed? This only works for
user/password for now, the whole thing is a mess, but
it’s starting to work…

waydowntown_app/lib/tools/auth_form.dart

@@ -0,0 +1,123 @@
+import 'package:flutter/material.dart';
+import 'package:dio/dio.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class AuthFormWidget extends StatefulWidget {
+  final Dio dio;
+  final String apiBaseUrl;
+  final Function onAuthSuccess;
+
+  const AuthFormWidget({
+    Key? key,
+    required this.dio,
+    required this.apiBaseUrl,
+    required this.onAuthSuccess,
+  }) : super(key: key);
+
+  @override
+  _AuthFormWidgetState createState() => _AuthFormWidgetState();
+}
+
+class _AuthFormWidgetState extends State<AuthFormWidget> {
+  final _formKey = GlobalKey<FormState>();
+  final _emailController = TextEditingController();
+  final _passwordController = TextEditingController();
+  bool _isLoading = false;
+
+  Future<void> _submitForm() async {
+    if (_formKey.currentState!.validate()) {
+      setState(() {
+        _isLoading = true;
+      });
+
+      try {
+        final response = await widget.dio.post(
+          '${widget.apiBaseUrl}/powapi/session',
+          options: Options(headers: {
+            'Accept': 'application/json',
+            'Content-Type': 'application/json',
+          }),
+          data: {
+            'user': {
+              'email': _emailController.text,
+              'password': _passwordController.text,
+            },
+          },
+        );
+
+        if (response.statusCode == 200) {
+          final accessToken = response.data['data']['access_token'];
+          final renewalToken = response.data['data']['renewal_token'];
+
+          final prefs = await SharedPreferences.getInstance();
+          await prefs.setString('access_token', accessToken);
+          await prefs.setString('renewal_token', renewalToken);
+
+          widget.onAuthSuccess();
+        } else {
+          // Handle error (e.g., show error message)
+          ScaffoldMessenger.of(context).showSnackBar(
+            const SnackBar(content: Text('Authentication failed')),
+          );
+        }
+      } catch (error) {
+        print('Error during authentication: $error');
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('An error occurred')),
+        );
+      } finally {
+        setState(() {
+          _isLoading = false;
+        });
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Form(
+      key: _formKey,
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          TextFormField(
+            controller: _emailController,
+            decoration: const InputDecoration(labelText: 'Email'),
+            keyboardType: TextInputType.emailAddress,
+            validator: (value) {
+              if (value == null || value.isEmpty) {
+                return 'Please enter your email';
+              }
+              return null;
+            },
+          ),
+          TextFormField(
+            controller: _passwordController,
+            decoration: const InputDecoration(labelText: 'Password'),
+            obscureText: true,
+            validator: (value) {
+              if (value == null || value.isEmpty) {
+                return 'Please enter your password';
+              }
+              return null;
+            },
+          ),
+          const SizedBox(height: 20),
+          ElevatedButton(
+            onPressed: _isLoading ? null : _submitForm,
+            child: _isLoading
+                ? const CircularProgressIndicator()
+                : const Text('Log in'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  @override
+  void dispose() {
+    _emailController.dispose();
+    _passwordController.dispose();
+    super.dispose();
+  }
+}

waydowntown_app/lib/widgets/session_widget.dart

@@ -1,7 +1,7 @@
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
-import 'package:waydowntown/tools/auth_webview.dart';
+import 'package:waydowntown/tools/auth_form.dart';
 
 class SessionWidget extends StatefulWidget {
   final Dio dio;
@@ -24,18 +24,22 @@ class _SessionWidgetState extends State<SessionWidget> {
   }
 
   Future<void> _checkSession() async {
+    final otherDio = Dio();
+
     setState(() {
       _isLoading = true;
     });
 
     final prefs = await SharedPreferences.getInstance();
-    final cookieString = prefs.getString('auth_cookie');
+    final authToken = prefs.getString('access_token');
 
-    if (cookieString != null) {
+    if (authToken != null) {
       try {
-        final response = await widget.dio.get(
-          '/fixme/session',
-          options: Options(headers: {'Cookie': cookieString}),
+        final response = await otherDio.get(
+          '${widget.apiBaseUrl}/fixme/session',
+          options: Options(headers: {
+            'Authorization': authToken,
+          }),
         );
 
         if (response.statusCode == 200) {
@@ -58,21 +62,27 @@ class _SessionWidgetState extends State<SessionWidget> {
 
   Future<void> _logout() async {
     final prefs = await SharedPreferences.getInstance();
-    await prefs.remove('auth_cookie');
+    await prefs.remove('access_token');
     _checkSession();
   }
 
-  void _openAuthWebView() async {
-    await Navigator.push(
-      context,
-      MaterialPageRoute(
-        builder: (context) => AuthWebView(
-          apiBaseUrl: widget.apiBaseUrl,
-          dio: widget.dio,
-        ),
-      ),
+  void _openAuthForm() {
+    showDialog(
+      context: context,
+      builder: (BuildContext context) {
+        return AlertDialog(
+          title: const Text('Log in'),
+          content: AuthFormWidget(
+            dio: widget.dio,
+            apiBaseUrl: widget.apiBaseUrl,
+            onAuthSuccess: () {
+              Navigator.of(context).pop();
+              _checkSession();
+            },
+          ),
+        );
+      },
     );
-    _checkSession();
   }
 
   @override
@@ -98,7 +108,7 @@ class _SessionWidgetState extends State<SessionWidget> {
     }
 
     return ElevatedButton(
-      onPressed: _openAuthWebView,
+      onPressed: _openAuthForm,
       child: const Text('Log in'),
     );
   }