ngfchl
352 lines
11 KiB
Dart
352 lines
11 KiB
Dart
import 'dart:async';
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import 'package:flutter_riverpod/legacy.dart';
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import '../core/storage/storage_manager.dart';
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import '../api/guangya_api.dart';
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class AuthState {
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final bool isSignedIn;
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final bool isLoading;
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final bool isRefreshing;
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final Map<String, dynamic>? userInfo;
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final String? errorMessage;
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final String phoneNumber;
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final String verificationCode;
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final String captchaToken;
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final String verificationID;
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final int codeCountdown;
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final String qrPayload;
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final String qrToken;
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final String qrStatus;
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const AuthState({
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this.isSignedIn = false,
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this.isLoading = true,
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this.isRefreshing = false,
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this.userInfo,
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this.errorMessage,
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this.phoneNumber = '+86 ',
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this.verificationCode = '',
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this.captchaToken = '',
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this.verificationID = '',
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this.codeCountdown = 0,
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this.qrPayload = '',
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this.qrToken = '',
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this.qrStatus = '等待生成二维码',
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});
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AuthState copyWith({
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bool? isSignedIn,
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bool? isLoading,
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bool? isRefreshing,
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Map<String, dynamic>? userInfo,
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bool clearUserInfo = false,
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String? errorMessage,
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bool clearError = false,
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String? phoneNumber,
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String? verificationCode,
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String? captchaToken,
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String? verificationID,
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int? codeCountdown,
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String? qrPayload,
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String? qrToken,
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String? qrStatus,
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}) {
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return AuthState(
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isSignedIn: isSignedIn ?? this.isSignedIn,
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isLoading: isLoading ?? this.isLoading,
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isRefreshing: isRefreshing ?? this.isRefreshing,
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userInfo: clearUserInfo ? null : (userInfo ?? this.userInfo),
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errorMessage: clearError ? null : (errorMessage ?? this.errorMessage),
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phoneNumber: phoneNumber ?? this.phoneNumber,
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verificationCode: verificationCode ?? this.verificationCode,
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captchaToken: captchaToken ?? this.captchaToken,
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verificationID: verificationID ?? this.verificationID,
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codeCountdown: codeCountdown ?? this.codeCountdown,
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qrPayload: qrPayload ?? this.qrPayload,
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qrToken: qrToken ?? this.qrToken,
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qrStatus: qrStatus ?? this.qrStatus,
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);
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}
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// ── Derived getters ────────────────────────────────────────────
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String get userName =>
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_findStringDeep(userInfo, ['nickname', 'name', 'username']) ?? '光鸭用户';
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String get memberLevel =>
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_findStringDeep(userInfo, ['vipName', 'memberName', 'memberLevelName']) ??
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'普通会员';
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int? get capacity =>
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_findInt64Deep(userInfo, ['capacity', 'totalCapacity']);
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int? get usedCapacity =>
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_findInt64Deep(userInfo, ['usedCapacity', 'usedSpace']);
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String get capacityText {
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if (capacity == null) return '空间信息暂不可用';
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return '${_formatBytes(usedCapacity ?? 0)} / ${_formatBytes(capacity!)}';
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}
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// ── Static helpers ─────────────────────────────────────────────
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static String? _findStringDeep(
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Map<String, dynamic>? json, List<String> keys) {
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if (json == null) return null;
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for (final key in keys) {
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final v = json[key];
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if (v != null && v.toString().isNotEmpty) return v.toString();
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}
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for (final entry in json.entries) {
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if (entry.value is Map<String, dynamic>) {
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final found =
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_findStringDeep(entry.value as Map<String, dynamic>, keys);
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if (found != null) return found;
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}
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}
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return null;
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}
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static int? _findInt64Deep(
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Map<String, dynamic>? json, List<String> keys) {
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if (json == null) return null;
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for (final key in keys) {
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final v = json[key];
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if (v != null) return v is int ? v : int.tryParse(v.toString());
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}
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return null;
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}
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static String _formatBytes(int bytes) {
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if (bytes < 1024) return '$bytes B';
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if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB';
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if (bytes < 1024 * 1024 * 1024) {
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return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
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}
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return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(1)} GB';
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}
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}
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class AuthNotifier extends StateNotifier<AuthState> {
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final GuangyaAPI _api = GuangyaAPI(
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deviceID: StorageManager.get<String>(StorageKeys.deviceID),
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);
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Timer? _qrPollingTimer;
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Timer? _countdownTimer;
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GuangyaAPI get api => _api;
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AuthNotifier() : super(const AuthState()) {
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_api.accessToken = '';
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tryRestoreSession();
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}
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Future<void> tryRestoreSession() async {
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final access = StorageManager.get<String>(StorageKeys.accessToken) ?? '';
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final refresh = StorageManager.get<String>(StorageKeys.refreshToken);
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_api.accessToken = access;
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_api.refreshTokenValue = refresh;
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if (access.isNotEmpty || refresh != null) {
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try {
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await _api.refreshAccessToken();
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await _saveTokens();
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state = state.copyWith(isSignedIn: true);
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await loadAccount();
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} catch (_) {
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state = state.copyWith(isSignedIn: false);
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_api.clearTokens();
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await _clearTokens();
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}
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}
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state = state.copyWith(isLoading: false);
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}
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Future<void> loadAccount() async {
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try {
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final userInfo = await _api.userInfo();
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state = state.copyWith(userInfo: userInfo);
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} catch (e) {
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state = state.copyWith(errorMessage: e.toString());
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}
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}
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// ── SMS Login ─────────────────────────────────────────────────────
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void updatePhoneNumber(String value) {
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state = state.copyWith(phoneNumber: value);
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}
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void updateVerificationCode(String value) {
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state = state.copyWith(verificationCode: value);
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}
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Future<void> sendVerificationCode() async {
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state = state.copyWith(clearError: true);
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final cleanPhone =
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state.phoneNumber.replaceAll(RegExp(r'[^\d]'), '');
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if (cleanPhone.length < 8) {
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state = state.copyWith(errorMessage: '请输入有效的手机号');
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return;
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}
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try {
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final initResult = await _api.loginSMSInit(cleanPhone);
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final captcha =
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AuthState._findStringDeep(initResult, ['captcha_token', 'captchaToken']);
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if (captcha == null) {
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if (AuthState._findStringDeep(initResult, ['url', 'verify_url']) !=
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null) {
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throw Exception('需要完成验证码验证后再发送短信');
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}
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throw Exception('获取验证码令牌失败');
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}
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state = state.copyWith(captchaToken: captcha);
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await _api.loginSMSSend(cleanPhone, captchaToken: captcha);
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_startCountdown();
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} catch (e) {
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state = state.copyWith(errorMessage: e.toString());
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}
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}
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void _startCountdown() {
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state = state.copyWith(codeCountdown: 60);
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_countdownTimer?.cancel();
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_countdownTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
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final next = state.codeCountdown - 1;
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if (next <= 0) {
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timer.cancel();
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state = state.copyWith(codeCountdown: 0);
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} else {
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state = state.copyWith(codeCountdown: next);
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}
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});
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}
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Future<void> verifySMSCode() async {
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state = state.copyWith(clearError: true);
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try {
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final verifyResult = await _api.loginSMSVerify(
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state.verificationID, state.verificationCode);
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final vToken = AuthState._findStringDeep(
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verifyResult, ['verification_token', 'verificationToken']);
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final code =
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AuthState._findStringDeep(verifyResult, ['code']);
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if (vToken == null || code == null) throw Exception('验证码验证失败');
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await _api.loginSMSSignIn(
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code: code,
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verificationToken: vToken,
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username: state.phoneNumber.replaceAll(RegExp(r'[^\d]'), ''),
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captchaToken: state.captchaToken,
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);
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state = state.copyWith(isSignedIn: true);
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await _saveTokens();
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await loadAccount();
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} catch (e) {
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state = state.copyWith(errorMessage: e.toString());
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}
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}
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// ── QR Login ──────────────────────────────────────────────────────
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Future<void> initQRLogin() async {
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state = state.copyWith(clearError: true);
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try {
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final result = await _api.loginQRInit();
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final token = AuthState._findStringDeep(
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result, ['device_code', 'deviceCode']) ??
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'';
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final payload = AuthState._findStringDeep(
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result, ['verification_uri_complete', 'verificationUriComplete', 'qr_url', 'qrUrl', 'url', 'verification_uri', 'verificationUri', 'qrcode', 'qrCode', 'code', 'qr_payload', 'qrPayload']) ??
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token;
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state = state.copyWith(
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qrPayload: payload,
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qrToken: token,
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qrStatus: '请使用光鸭APP扫描二维码',
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);
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_startQRPolling();
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} catch (e) {
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state = state.copyWith(errorMessage: e.toString());
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}
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}
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void _startQRPolling() {
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_qrPollingTimer?.cancel();
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_qrPollingTimer =
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Timer.periodic(const Duration(seconds: 5), (timer) async {
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if (state.qrToken.isEmpty) {
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timer.cancel();
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return;
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}
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try {
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final result = await _api.loginQRPoll(state.qrToken);
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final accessToken = AuthState._findStringDeep(
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result, ['access_token', 'accessToken']);
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if (accessToken != null) {
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timer.cancel();
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state = state.copyWith(isSignedIn: true);
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await _saveTokens();
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await loadAccount();
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} else {
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final error =
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AuthState._findStringDeep(result, ['error']);
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String? newStatus;
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if (error == 'slow_down') {
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newStatus = '轮询过快，请稍候';
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} else if (error == 'authorization_pending') {
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newStatus = '等待扫码确认…';
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}
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if (newStatus != null) {
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state = state.copyWith(qrStatus: newStatus);
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}
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}
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} catch (_) {
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// Continue polling on transient errors
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}
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});
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}
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// ── Sign out ──────────────────────────────────────────────────────
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Future<void> signOut() async {
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_api.clearTokens();
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await _clearTokens();
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_qrPollingTimer?.cancel();
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_countdownTimer?.cancel();
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state = const AuthState(isLoading: false);
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}
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// ── Token persistence ─────────────────────────────────────────────
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Future<void> _saveTokens() async {
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await StorageManager.set(StorageKeys.accessToken, _api.accessToken);
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if (_api.refreshTokenValue != null) {
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await StorageManager.set(StorageKeys.refreshToken, _api.refreshTokenValue!);
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}
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if (_api.tokenExpiresAt != null) {
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await StorageManager.set(
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StorageKeys.tokenExpiresAt,
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_api.tokenExpiresAt!.millisecondsSinceEpoch,
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);
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}
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await StorageManager.set(StorageKeys.deviceID, _api.deviceID);
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}
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Future<void> _clearTokens() async {
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await StorageManager.delete(StorageKeys.accessToken);
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await StorageManager.delete(StorageKeys.refreshToken);
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}
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@override
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void dispose() {
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_qrPollingTimer?.cancel();
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_countdownTimer?.cancel();
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super.dispose();
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}
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}
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final authProvider = StateNotifierProvider<AuthNotifier, AuthState>(
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(ref) => AuthNotifier(),
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);
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