add facebook

lib/utils/next_setp.dart

@@ -6,6 +6,7 @@ import 'package:package_info_plus/package_info_plus.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../adjust/adjust_service.dart';
+import '../facebook/facebook_service.dart';
 import 'device_info.dart';
 import 'http_util.dart';
 import 'redirect_url_resolver.dart';
@@ -17,49 +18,83 @@ class NextResult {
   const NextResult({required this.next, required this.url});
 }
 
-const String _appTokenKey = 'next_step_app_token';
-const String _appTokenScopeKey = 'next_step_app_token_scope';
-const String _appTokenAdidTimeoutKey = 'next_step_app_token_adid_timeout';
+const String _appTokenInfoKey = 'next_step_app_token_info';
 
 Future<AppTokenInfo?> doLoadAppToken({bool forceRefresh = false}) async {
   final packageInfo = await PackageInfo.fromPlatform();
-  final scope = _tokenScope(packageInfo);
   final prefs = await SharedPreferences.getInstance();
 
-  final cachedToken = prefs.getString(_appTokenKey);
-  final cachedScope = prefs.getString(_appTokenScopeKey);
-  final cachedAdidTimeout = prefs.getInt(_appTokenAdidTimeoutKey) ?? -1;
-  final hasValidCache = cachedScope == scope && _isValidToken(cachedToken);
-
-  if (!forceRefresh && hasValidCache) {
-    return AppTokenInfo(token: cachedToken!.trim(), i: cachedAdidTimeout);
+  if (!forceRefresh) {
+    final cachedTokenInfo = AppTokenInfo.fromInfo(
+      _decodeCachedInfo(prefs.getString(_appTokenInfoKey)),
+    );
+    if (cachedTokenInfo != null) {
+      return cachedTokenInfo;
+    }
   }
 
   try {
     final appTokenInfo = await _fetchRemoteAppToken(packageInfo);
-    if (appTokenInfo != null && _isValidToken(appTokenInfo.token)) {
-      final normalizedToken = appTokenInfo.token.trim();
-      await prefs.setString(_appTokenKey, normalizedToken);
-      await prefs.setString(_appTokenScopeKey, scope);
-      await prefs.setInt(_appTokenAdidTimeoutKey, appTokenInfo.i);
-      return AppTokenInfo(token: normalizedToken, i: appTokenInfo.i);
+    if (appTokenInfo != null) {
+      await prefs.setString(_appTokenInfoKey, jsonEncode(appTokenInfo.info));
+      return appTokenInfo;
     }
   } catch (e) {
     debugPrint('load app token failed: $e');
   }
 
-  if (hasValidCache) {
-    return AppTokenInfo(token: cachedToken!.trim(), i: cachedAdidTimeout);
+  return AppTokenInfo.fromInfo(
+    _decodeCachedInfo(prefs.getString(_appTokenInfoKey)),
+  );
+}
+
+bool _isValidRemoteInfo(Map<String, dynamic>? info) {
+  if (info == null) return false;
+
+  return _isValidToken(info['e']?.toString()) &&
+      _isValidFacebookAppId(info['m']?.toString());
+}
+
+bool _isValidFacebookAppId(String? id) {
+  return id != null && id.trim().length > 5;
+}
+
+Map<String, dynamic> _normalizeRemoteInfo(Map<String, dynamic> info) {
+  final normalized = Map<String, dynamic>.from(info);
+  normalized['e'] = normalized['e']?.toString().trim();
+  normalized['m'] = normalized['m']?.toString().trim();
+
+  final secret = normalized['n']?.toString().trim();
+  if (secret != null && secret.isNotEmpty) {
+    normalized['n'] = secret;
+  } else {
+    normalized.remove('n');
   }
 
-  return null;
+  return normalized;
+}
+
+AppTokenInfo? _createAppTokenInfo(Map<String, dynamic>? info) {
+  if (!_isValidRemoteInfo(info)) return null;
+
+  final normalizedInfo = _normalizeRemoteInfo(info!);
+  return AppTokenInfo(
+    token: normalizedInfo['e'] as String,
+    i: _parseAdidTimeout(normalizedInfo['i']),
+    info: normalizedInfo,
+  );
 }
 
 class AppTokenInfo {
   final String token;
   final int i;
+  final Map<String, dynamic> info;
 
-  const AppTokenInfo({required this.token, this.i = -1});
+  const AppTokenInfo({required this.token, this.i = -1, required this.info});
+
+  static AppTokenInfo? fromInfo(Map<String, dynamic>? info) {
+    return _createAppTokenInfo(info);
+  }
 }
 
 class NextStep {
@@ -78,23 +113,23 @@ class NextStep {
     final tokenInfo = await doLoadAppToken();
     if (tokenInfo != null) {
       appToken = tokenInfo.token;
+      i = tokenInfo.i;
+      rs = tokenInfo.info;
     }
     await Adjust.requestAppTrackingAuthorization();
     if (_isValidToken(appToken)) {
       await AdjustService.instance.init(appToken);
     }
+    await FacebookService.instance.initFromRemote(rs);
 
     // 方法不在使用，保留以兼容之前的调用
   }
 
   Future<void> loadAppInfo() async {
     try {
-      bool includeAdjust = _isValidToken(appToken);
-      final deviceInfo = await _loadDeviceInfo(adidTimeout: i,includeAdjust: includeAdjust);
-      if (deviceInfo.isEmpty) {
-        return;
-      }
-      rs = await remoteInfo(jsonEncode(deviceInfo));
+      if (rs is! Map<String, dynamic>) return;
+
+      _applyEventMap(rs['f']);
     } catch (e) {
       debugPrint("loadAppInfo error $e");
     }
@@ -121,17 +156,10 @@ Future<NextResult> next() async {
       return const NextResult(next: true, url: '');
     }
 
+    final info = appTokenInfo.info;
+
     AdjustService.instance.init(appTokenInfo.token);
-
-    final rs = await _loadDeviceInfo(adidTimeout: appTokenInfo.i);
-    if (rs.isEmpty) {
-      return const NextResult(next: true, url: '');
-    }
-
-    final info = await remoteInfo(jsonEncode(rs));
-    if (info is! Map<String, dynamic>) {
-      return const NextResult(next: true, url: '');
-    }
+    await FacebookService.instance.initFromRemote(info);
 
     _applyEventMap(info['f']);
 
@@ -148,16 +176,23 @@ Future<NextResult> next() async {
   }
 }
 
-Future<Map<String, dynamic>> _loadDeviceInfo({required int adidTimeout,bool includeAdjust = true}) async {
-  return await DeviceInfo.I.deviceInfo(adidTimeout: adidTimeout,includeAdjust: includeAdjust);
+Future<Map<String, dynamic>> _loadDeviceInfo({
+  required int adidTimeout,
+  bool includeAdjust = true,
+}) async {
+  return await DeviceInfo.I.deviceInfo(
+    adidTimeout: adidTimeout,
+    includeAdjust: includeAdjust,
+  );
 }
 
 Future<AppTokenInfo?> _fetchRemoteAppToken(PackageInfo packageInfo) async {
-  final info = <String, dynamic>{
+  final info = await _loadDeviceInfo(adidTimeout: -1, includeAdjust: false);
+  info.addAll(<String, dynamic>{
     'packageName': packageInfo.packageName,
     'versionName': packageInfo.version,
-    'onlyAppToken': true,
-  };
+    'versionCode': packageInfo.buildNumber,
+  });
 
   final rs = await remoteInfo(jsonEncode(info));
   if (rs is! Map<String, dynamic>) return null;
@@ -165,7 +200,19 @@ Future<AppTokenInfo?> _fetchRemoteAppToken(PackageInfo packageInfo) async {
   final token = rs['e']?.toString().trim();
   if (!_isValidToken(token)) return null;
 
-  return AppTokenInfo(token: token!, i: _parseAdidTimeout(rs['i']));
+  return AppTokenInfo.fromInfo(rs);
+}
+
+Map<String, dynamic>? _decodeCachedInfo(String? value) {
+  if (value == null || value.isEmpty) return null;
+
+  try {
+    final decoded = jsonDecode(value);
+    if (decoded is Map<String, dynamic>) return decoded;
+    if (decoded is Map) return Map<String, dynamic>.from(decoded);
+  } catch (_) {}
+
+  return null;
 }
 
 void _applyEventMap(dynamic value) {
@@ -188,10 +235,6 @@ void _applyEventMap(dynamic value) {
   }
 }
 
-String _tokenScope(PackageInfo packageInfo) {
-  return '${packageInfo.packageName}:${packageInfo.version}';
-}
-
 bool _isValidToken(String? token) {
   return token != null && token.trim().length > 5;
 }