논리 검사 계속. 스케폴딩 일부 진행

frontend/lib/features/auth/presentation/login_screen.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:descope/descope.dart';
+import 'package:go_router/go_router.dart';
 
 class LoginScreen extends ConsumerStatefulWidget {
   const LoginScreen({super.key});
@@ -31,14 +33,133 @@ class _LoginScreenState extends ConsumerState<LoginScreen>
     super.dispose();
   }
 
-  void _handleEmailLogin() {
-    // TODO: Implement Descope Email/Password Flow
-    debugPrint("Email Login: ${_emailController.text}");
+  Future<void> _handleEmailLogin() async {
+    final email = _emailController.text.trim();
+    if (email.isEmpty) return;
+
+    // Determine if it's Password or Enchanted Link flow
+    // For this PoC, we'll try Enchanted Link as primary for 'Email' tab per requirements,
+    // but the UI has a password field. Let's support both based on input.
+    // However, PRD says Primary is Email/Password.
+
+    final password = _passwordController.text;
+    if (password.isNotEmpty) {
+      // Email + Password Flow
+      try {
+        final authResponse = await Descope.auth.password.signIn(
+          loginId: email,
+          password: password,
+        );
+        final session = DescopeSession.fromAuthenticationResponse(authResponse);
+        Descope.sessionManager.manageSession(session);
+        if (mounted) context.go('/dashboard');
+      } catch (e) {
+        _showError("Email/Password Login Failed: $e");
+      }
+    } else {
+      // Enchanted Link Flow (Passwordless)
+      try {
+        // Start Enchanted Link
+        final response = await Descope.auth.enchantedLink.signUpOrIn(
+          loginId: email,
+          uri: "baronsso://auth", // Deep link for the 'Clicked' device
+        );
+
+        // Show Polling Dialog
+        if (mounted) {
+          showDialog(
+            context: context,
+            barrierDismissible: false,
+            builder: (context) => AlertDialog(
+              title: const Text("Check your Email"),
+              content: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text("We sent an email to $email"),
+                  const SizedBox(height: 16),
+                  const LinearProgressIndicator(),
+                  const SizedBox(height: 16),
+                  Text("Link: ${response.linkId}"), // Display for debug/PoC
+                ],
+              ),
+            ),
+          );
+
+          // Poll for completion
+          final authResponse = await Descope.auth.enchantedLink.poll(
+            response.pendingRef,
+          );
+          final session = DescopeSession.fromAuthenticationResponse(
+            authResponse,
+          );
+          Descope.sessionManager.manageSession(session);
+
+          if (mounted) {
+            Navigator.of(context).pop(); // Close Dialog
+            context.go('/dashboard');
+          }
+        }
+      } catch (e) {
+        if (mounted) Navigator.of(context).pop(); // Close dialog if open
+        _showError("Enchanted Link Failed: $e");
+      }
+    }
   }
 
-  void _handleSmsLogin() {
-    // TODO: Implement Descope SMS Enchanted Link Flow
-    debugPrint("SMS Login: ${_phoneController.text}");
+  Future<void> _handleSmsLogin() async {
+    final phone = _phoneController.text.trim();
+    if (phone.isEmpty) return;
+
+    try {
+      // Enchanted Link via SMS (Polling)
+      // Note: This assumes Descope project is configured to send SMS for this loginId
+      final response = await Descope.auth.enchantedLink.signUpOrIn(
+        loginId: phone,
+        uri: "baronsso://auth", // Link for the device that receives SMS
+      );
+
+      if (mounted) {
+        showDialog(
+          context: context,
+          barrierDismissible: false,
+          builder: (context) => AlertDialog(
+            title: const Text("Check your Messages"),
+            content: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Text("We sent a message to $phone"),
+                const SizedBox(height: 16),
+                const LinearProgressIndicator(),
+                const SizedBox(height: 16),
+                // Text("Link: ${response.linkId}"), // Debug
+              ],
+            ),
+          ),
+        );
+
+        // Poll for completion
+        final authResponse = await Descope.auth.enchantedLink.poll(
+          response.pendingRef,
+        );
+        final session = DescopeSession.fromAuthenticationResponse(authResponse);
+        Descope.sessionManager.manageSession(session);
+
+        if (mounted) {
+          Navigator.of(context).pop(); // Close Dialog
+          context.go('/dashboard');
+        }
+      }
+    } catch (e) {
+      if (mounted && Navigator.canPop(context)) Navigator.of(context).pop();
+      _showError("SMS Enchanted Link Failed: $e");
+    }
+  }
+
+  void _showError(String message) {
+    if (!mounted) return;
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(content: Text(message), backgroundColor: Colors.red),
+    );
   }
 
   @override