Files
EME_APP/eme-frontend/lib/screens/login_screen.dart
T
2026-07-23 14:13:58 +02:00

316 lines
13 KiB
Dart

import "package:flutter/material.dart";
import "package:google_fonts/google_fonts.dart";
import "../demo_identity.dart";
import "../services/api_client.dart";
import "../services/auth_service.dart";
import "../theme/ensup_colors.dart";
import "../widgets/ensup_top_bar.dart";
import "../widgets/identification_option.dart";
import "../widgets/brand_corners.dart";
import "home_screen.dart";
import "responsable_screen.dart";
/// Écran de démarrage : identification de l'étudiant (RG01/RG02).
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key});
@override
State<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends State<LoginScreen> {
bool _connexionEnCours = false;
void _ouvrirEtudiant() {
Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => const HomeScreen(),
settings: const RouteSettings(name: "home"),
),
);
}
void _ouvrirResponsable() {
Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => const ResponsableScreen(),
settings: const RouteSettings(name: "responsable"),
),
);
}
void _identifierParQr() {
if (_connexionEnCours) return;
if (AuthService.mode == AuthenticationMode.azure) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text(
"L'identification QR securisee n'est pas encore configuree.",
),
),
);
return;
}
AuthService.selectDemoStudent();
_ouvrirEtudiant();
}
Future<void> _connecterMicrosoft({required bool responsableDemo}) async {
if (_connexionEnCours) return;
setState(() => _connexionEnCours = true);
try {
if (AuthService.mode == AuthenticationMode.demo) {
if (responsableDemo) {
AuthService.selectDemoResponsable();
_ouvrirResponsable();
} else {
AuthService.selectDemoStudent();
_ouvrirEtudiant();
}
return;
}
await AuthService.signInWithMicrosoft();
final reponse = await ApiClient.get("/auth/me");
final roleCode = _roleCode(reponse);
if (!mounted) return;
switch (roleCode) {
case "ETUDIANT":
_ouvrirEtudiant();
case "RESPONSABLE":
_ouvrirResponsable();
default:
throw StateError("Role utilisateur non autorise.");
}
} catch (error) {
if (!mounted) return;
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(error.toString())));
} finally {
if (mounted) {
setState(() => _connexionEnCours = false);
}
}
}
String _roleCode(dynamic reponse) {
if (reponse is! Map || reponse["data"] is! Map) {
throw StateError("Profil utilisateur invalide.");
}
final data = reponse["data"] as Map;
if (data["role"] is! Map) {
throw StateError("Role utilisateur absent.");
}
final role = data["role"] as Map;
final code = role["code"];
if (code is! String) {
throw StateError("Role utilisateur invalide.");
}
return code;
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: EnsupColors.soft,
body: Stack(
children: [
Center(
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 1280, maxHeight: 820),
child: Container(
margin: const EdgeInsets.all(24),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: EnsupColors.text.withValues(alpha: 0.14),
blurRadius: 60,
offset: const Offset(0, 18),
),
],
),
clipBehavior: Clip.antiAlias,
child: Column(
children: [
const EnsupTopBar(
brandText: "EME — Emprunt Matériel ENSUP",
campusTag: DemoIdentity.loginCampusTag,
),
Expanded(
child: DecoratedBox(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [Color(0xFFF0F6FF), Color(0xFFF8FAFC)],
),
),
child: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(
horizontal: 28,
vertical: 40,
),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 560),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 72,
height: 72,
decoration: BoxDecoration(
gradient: const LinearGradient(
colors: [
EnsupColors.blue3,
EnsupColors.cyan,
],
),
borderRadius: BorderRadius.circular(22),
boxShadow: [
BoxShadow(
color: EnsupColors.blue3.withValues(
alpha: 0.35,
),
blurRadius: 24,
offset: const Offset(0, 8),
),
],
),
child: const Icon(
Icons.badge_outlined,
color: Colors.white,
size: 34,
),
),
const SizedBox(height: 20),
Text(
"Bienvenue sur EME",
style: GoogleFonts.darkerGrotesque(
fontSize: 34,
fontWeight: FontWeight.w900,
color: EnsupColors.text,
),
),
const SizedBox(height: 8),
Text(
"Emprunt Matériel ENSUP · Accès réservé aux membres du groupe ENSUP",
textAlign: TextAlign.center,
style: GoogleFonts.titilliumWeb(
fontSize: 14,
color: EnsupColors.muted,
),
),
const SizedBox(height: 28),
IdentificationOption(
icon: Icons.qr_code_2,
iconColor: EnsupColors.cyan,
label: "Scanner ma carte étudiante",
description:
"Présentez votre carte étudiante dématérialisée à la douchette ou à la tablette",
onTap: _connexionEnCours
? null
: _identifierParQr,
),
const SizedBox(height: 12),
IdentificationOption(
icon: Icons.mail_outline,
iconColor: EnsupColors.teal,
label:
"Connexion compte professionnel ENSUP",
description:
"Utiliser mon adresse e-mail Microsoft 365",
onTap: _connexionEnCours
? null
: () => _connecterMicrosoft(
responsableDemo: false,
),
),
const SizedBox(height: 20),
Row(
children: [
const Expanded(
child: Divider(color: EnsupColors.line),
),
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 12,
),
child: Text(
"ou",
style: GoogleFonts.titilliumWeb(
fontSize: 12,
color: EnsupColors.muted,
),
),
),
const Expanded(
child: Divider(color: EnsupColors.line),
),
],
),
const SizedBox(height: 20),
SizedBox(
width: double.infinity,
child: OutlinedButton.icon(
onPressed: _connexionEnCours
? null
: () => _connecterMicrosoft(
responsableDemo: true,
),
icon: const Icon(
Icons.person_outline,
size: 16,
),
label: Text(
"Accès responsable matériel",
style: GoogleFonts.darkerGrotesque(
fontWeight: FontWeight.w700,
fontSize: 15,
),
),
style: OutlinedButton.styleFrom(
foregroundColor: EnsupColors.text2,
side: const BorderSide(
color: EnsupColors.line,
width: 1.5,
),
padding: const EdgeInsets.symmetric(
vertical: 14,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(
10,
),
),
),
),
),
],
),
),
),
),
),
),
],
),
),
),
),
const Positioned.fill(child: BrandCorners()),
],
),
);
}
}