552 lines
20 KiB
Dart
552 lines
20 KiB
Dart
// 🔑 로그인 화면. 학번/비밀번호 인증, 최초 로그인 비밀번호 변경, 권한(학생/교사/관리자)별 화면 분기를 담당한다.
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import 'dart:convert';
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import 'package:flutter/foundation.dart' show kIsWeb;
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import 'package:flutter/material.dart';
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import 'package:http/http.dart' as http;
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import 'package:firebase_messaging/firebase_messaging.dart';
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import '../config.dart';
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import 'student_dashboard.dart';
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import 'teacher_dashboard.dart';
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import 'admin_dashboard.dart';
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import 'teacher_register_screen.dart';
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// -------------------------------------------------------------
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// 1. 로그인 화면 (LoginScreen)
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// -------------------------------------------------------------
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final TextEditingController _idController = TextEditingController();
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final TextEditingController _pwController = TextEditingController();
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bool _isLoading = false;
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Future<void> _login() async {
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String currentInputId = _idController.text.trim();
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String currentInputPw = _pwController.text.trim();
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if (currentInputId.isEmpty || currentInputPw.isEmpty) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('⚠️ 학번과 비밀번호를 모두 입력해 주세요.')));
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return;
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}
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// 🔥 [개발자 마스터 계정]
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if (currentInputId == "2061") {
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if (currentInputPw == "happy9642!") {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('👑 개발자 최고 권한으로 로그인되었습니다.')),
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);
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) => const StudentDashboard(
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studentId: "2061",
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studentName: "훗춧가룻",
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isDeviceMatched: true, // 🆕 [수정] 마스터 계정은 언제나 프리패스이므로 true 변경!
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),
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),
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);
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return;
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} else {
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_showErrorDialog('개발자 계정의 마스터 비밀번호가 올바르지 않습니다.');
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return;
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}
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}
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setState(() => _isLoading = true);
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try {
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String deviceUuid = await getDeviceUuid();
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String fcmToken = "";
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try {
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fcmToken = kIsWeb
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? await FirebaseMessaging.instance.getToken(
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vapidKey: webVapidKey,
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) ??
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""
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: await FirebaseMessaging.instance.getToken() ?? "";
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print("발급된 FCM 토큰: $fcmToken");
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} catch (e) {
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print("FCM 토큰 가져오기 실패 (파이어베이스 미설정): $e");
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}
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final response = await http.post(
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Uri.parse('$baseUrl/login'),
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headers: {"Content-Type": "application/json"},
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body: jsonEncode({
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"studentId": currentInputId,
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"password": currentInputPw,
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"deviceUuid": deviceUuid,
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"fcmToken": fcmToken,
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}),
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);
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final resData = jsonDecode(utf8.decode(response.bodyBytes));
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if (response.statusCode == 200) {
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print("🚨 서버 응답 데이터: $resData");
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String role = '';
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String name = '';
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String studentId = '';
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int isFirstLogin = 0;
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var userObj = resData['user'];
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if (userObj != null) {
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role = userObj['role']?.toString() ?? '';
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name =
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userObj['name']?.toString() ??
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userObj['studentName']?.toString() ??
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userObj['student_name']?.toString() ??
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'';
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studentId =
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userObj['studentId']?.toString() ??
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userObj['student_id']?.toString() ??
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currentInputId;
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var rawFirst = userObj['isFirstLogin'] ?? userObj['is_first_login'];
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isFirstLogin = (rawFirst is bool)
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? (rawFirst ? 1 : 0)
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: (int.tryParse(rawFirst.toString()) ?? 0);
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} else {
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role = resData['role']?.toString() ?? '';
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name =
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resData['name']?.toString() ??
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resData['studentName']?.toString() ??
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'';
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studentId = resData['studentId']?.toString() ?? currentInputId;
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var rawFirst = resData['isFirstLogin'] ?? resData['is_first_login'];
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isFirstLogin = (rawFirst is bool)
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? (rawFirst ? 1 : 0)
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: (int.tryParse(rawFirst.toString()) ?? 0);
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}
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if (name.trim().isEmpty) {
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name = "알수없음";
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}
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// 🆕 [추가] 서버 응답 데이터에서 기기 일치 여부 추출하기
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// (서버가 주는 Key 이름에 맞춰서 데이터를 가져옵니다. 아래 항목 중 맞는 게 알아서 들어감)
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bool isDeviceMatched =
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resData['isDeviceMatched'] ??
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resData['isUuidMatched'] ??
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resData['is_matched'] ??
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(userObj != null
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? (userObj['isDeviceMatched'] ?? userObj['is_matched'] ?? false)
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: false);
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if (isFirstLogin == 1) {
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_showFirstLoginPasswordDialog(
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studentId,
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name,
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role,
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isDeviceMatched,
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); // 🆕 매개변수 추가
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return;
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}
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text('✅ $name님 환영합니다!')));
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_navigateBasedOnRole(
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role,
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studentId,
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name,
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isDeviceMatched,
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); // 🆕 [수정] 기기 인증 결과 전달
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} else {
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String errorMsg = '로그인에 실패했습니다.';
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if (resData is Map) {
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errorMsg =
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resData['detail']?.toString() ??
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resData['message']?.toString() ??
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errorMsg;
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}
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_showErrorDialog(errorMsg);
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}
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} catch (e) {
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_showErrorDialog('서버와 연결할 수 없습니다. 서버 상태를 확인하세요!\n($e)');
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} finally {
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setState(() => _isLoading = false);
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}
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}
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// 🛠️ 초기 비밀번호 변경 팝업창 (기기 매칭 데이터 파라미터 추가)
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void _showFirstLoginPasswordDialog(
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String studentId,
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String name,
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String role,
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bool isDeviceMatched, // 🆕 추가
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) {
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final TextEditingController newPwController = TextEditingController();
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (BuildContext dialogContext) {
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bool isUpdating = false;
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return StatefulBuilder(
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builder: (context, setDialogState) {
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return AlertDialog(
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title: const Text(
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'🔒 초기 비밀번호 변경',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Text(
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'보안을 위해 새로운 비밀번호를 설정해 주세요.',
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style: TextStyle(color: Colors.redAccent),
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),
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const SizedBox(height: 16),
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TextField(
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controller: newPwController,
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obscureText: true,
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decoration: const InputDecoration(
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labelText: '새 비밀번호',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.lock_reset),
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),
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),
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],
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),
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actions: [
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isUpdating
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? const Padding(
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padding: EdgeInsets.only(right: 20.0),
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child: CircularProgressIndicator(),
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)
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: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.indigo,
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foregroundColor: Colors.white,
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),
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onPressed: () async {
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String newPassword = newPwController.text.trim();
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if (newPassword.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('⚠️ 새 비밀번호를 입력해 주세요.'),
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),
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);
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return;
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}
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setDialogState(() => isUpdating = true);
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try {
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final response = await http.post(
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Uri.parse('$baseUrl/api/users/change-password'),
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headers: {"Content-Type": "application/json"},
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body: jsonEncode({
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"studentId": studentId,
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"newPassword": newPassword,
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}),
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);
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final resData = jsonDecode(
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utf8.decode(response.bodyBytes),
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);
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setDialogState(() => isUpdating = false);
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if (response.statusCode == 200 &&
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resData['status'] == 'success') {
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Navigator.pop(dialogContext);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('✅ 비밀번호가 변경되었습니다!'),
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),
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);
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_navigateBasedOnRole(
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role,
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studentId,
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name,
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isDeviceMatched,
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); // 🆕 수정
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('❌ 실패: ${resData['message']}'),
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),
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);
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}
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} catch (e) {
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setDialogState(() => isUpdating = false);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('서버 에러 발생: $e')),
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);
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}
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},
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child: const Text('변경하고 시작하기'),
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),
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],
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);
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},
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);
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},
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);
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}
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// 🆕 [수정] 권한별 화면 이동시 기기 일치 여부 파라미터(`isDeviceMatched`) 수신 및 대시보드 전달
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void _navigateBasedOnRole(
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String role,
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String studentId,
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String name,
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bool isDeviceMatched,
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) {
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if (role == 'teacher') {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) =>
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TeacherDashboard(teacherId: studentId, teacherName: name),
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),
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);
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} else if (role == 'admin') {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (context) => const AdminDashboard()),
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);
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} else {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) => StudentDashboard(
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studentId: studentId,
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studentName: name,
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isDeviceMatched:
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isDeviceMatched, // 🆕 [수정] 더이상 false 고정이 아니라 서버 판단 결과 전송!
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),
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),
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);
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}
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}
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void _showErrorDialog(String message) {
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showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text(
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'⚠️ 인증 실패',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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content: Text(message),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx),
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child: const Text('확인'),
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),
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],
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),
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);
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}
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void _showLegacyPasswordDialog(
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String title,
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String correctPassword,
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Widget nextPage,
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) {
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final TextEditingController passwordController = TextEditingController();
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (BuildContext dialogContext) {
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return AlertDialog(
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title: Text('🔒 $title 권한 인증 (기존 방식)'),
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content: TextField(
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controller: passwordController,
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obscureText: true,
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keyboardType: TextInputType.number,
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textInputAction: TextInputAction.done,
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onSubmitted: (value) {
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if (value == correctPassword) {
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Navigator.pop(dialogContext);
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => nextPage),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('❌ 비밀번호가 올바르지 않습니다.')),
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);
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}
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},
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decoration: const InputDecoration(
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hintText: '비밀번호 4자리를 입력하세요',
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border: OutlineInputBorder(),
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),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(dialogContext),
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child: const Text('취소', style: TextStyle(color: Colors.grey)),
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),
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ElevatedButton(
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onPressed: () {
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if (passwordController.text == correctPassword) {
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Navigator.pop(dialogContext);
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => nextPage),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('❌ 비밀번호가 올바르지 않습니다.')),
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);
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}
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},
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child: const Text('인증하기'),
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),
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],
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);
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},
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);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.grey[50],
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body: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24.0),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 420),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.school, size: 80, color: Colors.indigo),
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const SizedBox(height: 16),
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const Text(
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'백산고등학교 모니터',
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style: TextStyle(
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fontSize: 26,
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fontWeight: FontWeight.bold,
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color: Colors.indigo,
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),
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),
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const SizedBox(height: 8),
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const Text(
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'학생 편의 및 학교생활 도우미',
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style: TextStyle(color: Colors.grey, fontSize: 15),
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),
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const SizedBox(height: 40),
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TextField(
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controller: _idController,
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textInputAction: TextInputAction.next,
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decoration: const InputDecoration(
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labelText: '학번 또는 교직원 번호',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.person),
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),
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),
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const SizedBox(height: 16),
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TextField(
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controller: _pwController,
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obscureText: true,
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textInputAction: TextInputAction.done,
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onSubmitted: (_) => _login(),
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decoration: const InputDecoration(
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labelText: '비밀번호',
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.lock),
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),
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),
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const SizedBox(height: 24),
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_isLoading
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? const CircularProgressIndicator()
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: SizedBox(
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width: double.infinity,
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height: 55,
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child: ElevatedButton(
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|
style: ElevatedButton.styleFrom(
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backgroundColor: Colors.indigo,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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onPressed: _login,
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child: const Text(
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'로그인',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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),
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),
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const SizedBox(height: 4),
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TextButton(
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onPressed: () => Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => const TeacherRegisterScreen(),
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),
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),
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child: const Text(
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'👨🏫 선생님이신가요? 교사 회원가입 하기',
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style: TextStyle(
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color: Colors.indigo,
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|
fontWeight: FontWeight.bold,
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),
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),
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),
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const Divider(height: 40),
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
|
children: [
|
|
TextButton.icon(
|
|
icon: const Icon(
|
|
Icons.gavel,
|
|
size: 18,
|
|
color: Colors.grey,
|
|
),
|
|
label: const Text(
|
|
'교사 간편인증',
|
|
style: TextStyle(color: Colors.grey),
|
|
),
|
|
onPressed: () => _showLegacyPasswordDialog(
|
|
'선생님',
|
|
'1234',
|
|
const TeacherDashboard(),
|
|
),
|
|
),
|
|
TextButton.icon(
|
|
icon: const Icon(
|
|
Icons.settings,
|
|
size: 18,
|
|
color: Colors.grey,
|
|
),
|
|
label: const Text(
|
|
'관리자 간편인증',
|
|
style: TextStyle(color: Colors.grey),
|
|
),
|
|
onPressed: () => _showLegacyPasswordDialog(
|
|
'시스템 관리자',
|
|
'4936',
|
|
const AdminDashboard(),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|