chore: pass platform info to rust side (#5079)

* chore: pass platform info to rust side

* chore: pass platform info to rust side

* chore: fix test

* chore: fix test

* chore: fix test

* chore: enable ios log

frontend/appflowy_flutter/packages/appflowy_backend/lib/appflowy_backend.dart

@@ -1,10 +1,15 @@
 export 'package:async/async.dart';
 import 'dart:async';
+import 'dart:convert';
 import 'package:appflowy_backend/rust_stream.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'dart:ffi';
 import 'ffi.dart' as ffi;
 import 'package:ffi/ffi.dart';
+import 'dart:isolate';
+import 'dart:io';
+import 'package:logger/logger.dart';
 
 enum ExceptionType {
   AppearanceSettingsIsEmpty,
@@ -27,10 +32,15 @@ class FlowySDK {
   Future<void> dispose() async {}
 
   Future<void> init(String configuration) async {
-    final port = RustStreamReceiver.shared.port;
-    ffi.set_stream_port(port);
+    ffi.set_stream_port(RustStreamReceiver.shared.port);
     ffi.store_dart_post_cobject(NativeApi.postCObject);
 
+    // On iOS, VSCode can't print logs from Rust, so we need to use a different method to print logs.
+    // So we use a shared port to receive logs from Rust and print them using the logger. In release mode, we don't print logs.
+    if (Platform.isIOS && kDebugMode) {
+      ffi.set_log_stream_port(RustLogStreamReceiver.logShared.port);
+    }
+
     // final completer = Completer<Uint8List>();
     // // Create a SendPort that accepts only one message.
     // final sendPort = singleCompletePort(completer);
@@ -42,3 +52,44 @@ class FlowySDK {
     // return completer.future;
   }
 }
+
+class RustLogStreamReceiver {
+  static RustLogStreamReceiver logShared = RustLogStreamReceiver._internal();
+  late RawReceivePort _ffiPort;
+  late StreamController<Uint8List> _streamController;
+  late StreamSubscription<Uint8List> _subscription;
+  int get port => _ffiPort.sendPort.nativePort;
+  late Logger _logger;
+
+  RustLogStreamReceiver._internal() {
+    _ffiPort = RawReceivePort();
+    _streamController = StreamController();
+    _ffiPort.handler = _streamController.add;
+    _logger = Logger(
+      printer: PrettyPrinter(
+        methodCount: 0, // number of method calls to be displayed
+        errorMethodCount: 8, // number of method calls if stacktrace is provided
+        lineLength: 120, // width of the output
+        colors: false, // Colorful log messages
+        printEmojis: false, // Print an emoji for each log message
+        printTime: false, // Should each log print contain a timestamp
+      ),
+      level: kDebugMode ? Level.trace : Level.info,
+    );
+
+    _subscription = _streamController.stream.listen((data) {
+      String decodedString = utf8.decode(data);
+      _logger.i(decodedString);
+    });
+  }
+
+  factory RustLogStreamReceiver() {
+    return logShared;
+  }
+
+  Future<void> dispose() async {
+    await _streamController.close();
+    await _subscription.cancel();
+    _ffiPort.close();
+  }
+}

frontend/appflowy_flutter/packages/appflowy_backend/lib/ffi.dart

@@ -110,6 +110,22 @@ typedef _set_stream_port_Dart = int Function(
   int port,
 );
 
+/// C function `set log stream port`.
+int set_log_stream_port(int port) {
+  return _set_log_stream_port(port);
+}
+
+final _set_log_stream_port_Dart _set_log_stream_port = _dart_ffi_lib
+    .lookupFunction<_set_log_stream_port_C, _set_log_stream_port_Dart>(
+        'set_log_stream_port');
+
+typedef _set_log_stream_port_C = Int32 Function(
+  Int64 port,
+);
+typedef _set_log_stream_port_Dart = int Function(
+  int port,
+);
+
 /// C function `link_me_please`.
 void link_me_please() {
   _link_me_please();

frontend/appflowy_flutter/packages/appflowy_backend/lib/log.dart

@@ -1,6 +1,5 @@
 // ignore: import_of_legacy_library_into_null_safe
 import 'dart:ffi';
-
 import 'package:ffi/ffi.dart' as ffi;
 import 'package:flutter/foundation.dart';
 import 'package:logger/logger.dart';

frontend/appflowy_flutter/packages/appflowy_backend/lib/rust_stream.dart

@@ -2,7 +2,6 @@ import 'dart:async';
 import 'dart:ffi';
 import 'dart:isolate';
 import 'dart:typed_data';
-
 import 'package:appflowy_backend/log.dart';
 
 import 'protobuf/flowy-notification/subject.pb.dart';

frontend/appflowy_flutter/packages/appflowy_backend/macos/Classes/binding.h

@@ -11,6 +11,8 @@ const uint8_t *sync_event(const uint8_t *input, uintptr_t len);
 
 int32_t set_stream_port(int64_t port);
 
+int32_t set_log_stream_port(int64_t port);
+
 void link_me_please(void);
 
 void rust_log(int64_t level, const char *data);