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import 'dart:async';
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import '../core/utils/app_logger.dart';
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import '../data/models/sync_config_model.dart';
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import '../data/models/sync_event_model.dart';
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import '../data/models/sync_status_model.dart';
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import '../data/models/sync_task_model.dart';
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import '../src/rust/api/ffi.dart' as ffi;
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import '../src/rust/api/ffi_types.dart' as ffi_types;
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/// 同步服务单例 - 桥接 Flutter UI 和 Rust 同步引擎
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class SyncService {
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static final SyncService instance = SyncService._();
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SyncService._();
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bool _initialized = false;
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/// 事件流，供 SyncProvider 订阅
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final _eventController = StreamController<SyncEventModel>.broadcast();
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Stream<SyncEventModel> get events => _eventController.stream;
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/// 初始化同步引擎（已初始化时更新配置）
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Future<void> init(SyncConfigModel config) async {
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if (_initialized) {
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AppLogger.d('[FFI] → updateSyncConfig: mode=${config.syncMode}, conflict=${config.conflictStrategy}, concurrent=${config.maxConcurrentTransfers}, bandwidth=${config.bandwidthLimitKbps}kbps');
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await ffi.updateSyncConfig(config: config.toFfi());
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AppLogger.d('[FFI] ← updateSyncConfig: ok');
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return;
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}
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AppLogger.d('[FFI] → initSyncEngine: localRoot=${config.localRoot}, mode=${config.syncMode}, conflict=${config.conflictStrategy}, logLevel=${config.logLevel}');
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await ffi.initSyncEngine(config: config.toFfi());
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_initialized = true;
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AppLogger.d('[FFI] ← initSyncEngine: ok');
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}
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/// 执行初始全量同步
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Future<SyncSummaryModel> startInitialSync() async {
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AppLogger.d('[FFI] → startInitialSync');
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final summary = await ffi.startInitialSync();
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AppLogger.d('[FFI] ← startInitialSync: uploaded=${summary.uploaded}, downloaded=${summary.downloaded}, conflicts=${summary.conflicts}, failed=${summary.failed}');
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return SyncSummaryModel.fromFfi(summary);
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}
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/// 启动持续同步
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Future<void> startContinuousSync() async {
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AppLogger.d('[FFI] → startContinuousSync');
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await ffi.startContinuousSync();
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AppLogger.d('[FFI] ← startContinuousSync: spawned');
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}
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/// 停止同步
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Future<void> stop() async {
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AppLogger.d('[FFI] → stopSync');
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await ffi.stopSync();
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AppLogger.d('[FFI] ← stopSync: ok');
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}
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/// 暂停同步
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Future<void> pause() async {
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AppLogger.d('[FFI] → pauseSync');
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await ffi.pauseSync();
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AppLogger.d('[FFI] ← pauseSync: ok');
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}
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/// 恢复同步
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Future<void> resume() async {
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AppLogger.d('[FFI] → resumeSync');
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await ffi.resumeSync();
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AppLogger.d('[FFI] ← resumeSync: ok');
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}
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/// 强制重新同步
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Future<SyncSummaryModel> forceSync() async {
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AppLogger.d('[FFI] → forceSync');
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final summary = await ffi.forceSync();
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AppLogger.d('[FFI] ← forceSync: uploaded=${summary.uploaded}, downloaded=${summary.downloaded}, conflicts=${summary.conflicts}, failed=${summary.failed}');
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return SyncSummaryModel.fromFfi(summary);
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}
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/// Token 变更时推送给 Rust
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Future<void> updateTokens(String accessToken) async {
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AppLogger.d('[FFI] → updateTokens: token_len=${accessToken.length}');
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await ffi.updateTokens(accessToken: accessToken);
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AppLogger.d('[FFI] ← updateTokens: ok');
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}
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/// 更新同步配置（推送到 Rust 引擎，引擎未初始化时忽略）
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Future<void> updateConfig(SyncConfigModel config) async {
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if (!_initialized) return;
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AppLogger.d('[FFI] → updateSyncConfig: mode=${config.syncMode}, conflict=${config.conflictStrategy}, concurrent=${config.maxConcurrentTransfers}, bandwidth=${config.bandwidthLimitKbps}kbps');
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try {
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await ffi.updateSyncConfig(config: config.toFfi());
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AppLogger.d('[FFI] ← updateSyncConfig: ok');
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} catch (e) {
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AppLogger.e('[FFI] ← updateSyncConfig: error=$e');
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}
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}
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// ========== 以下为轮询/查询类，用 trace 避免刷屏 ==========
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/// 获取同步状态快照（轮询高频调用，trace 级别）
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Future<SyncStatusModel> getStatus() async {
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final status = await ffi.getSyncStatus();
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AppLogger.t('[FFI] ← getSyncStatus: state=${status.state}, synced=${status.syncedFiles}, total=${status.totalFiles}');
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return SyncStatusModel.fromFfi(status);
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}
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/// 获取活跃 Worker 数量（轮询高频调用，trace 级别）
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Future<int> getActiveWorkerCount() async {
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final count = await ffi.getActiveWorkerCount();
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AppLogger.t('[FFI] ← getActiveWorkerCount: $count');
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return count;
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}
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/// 获取活跃的同步任务列表（轮询高频调用，trace 级别）
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Future<List<SyncTaskModel>> getActiveTasksTyped() async {
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final tasks = await ffi.getActiveTasks();
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AppLogger.t('[FFI] ← getActiveTasks: count=${tasks.length}');
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return tasks.map((t) => SyncTaskModel(
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id: t.id,
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trigger: t.trigger,
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totalCount: t.totalCount,
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completedCount: t.completedCount,
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failedCount: t.failedCount,
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status: t.status,
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createdAt: t.createdAt,
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updatedAt: t.updatedAt,
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finishedAt: t.finishedAt,
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)).toList();
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}
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/// 获取最近同步任务列表（轮询高频调用，trace 级别）
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Future<List<SyncTaskModel>> getRecentTasksTyped({int limit = 20}) async {
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AppLogger.t('[FFI] → getRecentTasks: limit=$limit');
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final tasks = await ffi.getRecentTasks(limit: limit);
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AppLogger.t('[FFI] ← getRecentTasks: count=${tasks.length}');
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return tasks.map((t) => SyncTaskModel(
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id: t.id,
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trigger: t.trigger,
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totalCount: t.totalCount,
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completedCount: t.completedCount,
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failedCount: t.failedCount,
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status: t.status,
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createdAt: t.createdAt,
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updatedAt: t.updatedAt,
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finishedAt: t.finishedAt,
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)).toList();
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}
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/// 获取任务详情（按需查询，trace 级别）
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Future<List<SyncTaskItemModel>> getTaskDetailTyped(String taskId) async {
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AppLogger.t('[FFI] → getTaskDetail: taskId=$taskId');
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final items = await ffi.getTaskDetail(taskId: taskId);
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AppLogger.t('[FFI] ← getTaskDetail: count=${items.length}');
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return items.map((i) => SyncTaskItemModel(
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id: i.id.toInt(),
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taskId: i.taskId,
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relativePath: i.relativePath,
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actionType: i.actionType,
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status: i.status,
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fileSize: i.fileSize.toInt(),
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errorMessage: i.errorMessage,
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createdAt: i.createdAt,
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updatedAt: i.updatedAt,
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)).toList();
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}
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/// 分页查询任务详情（trace 级别）
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Future<List<SyncTaskItemModel>> queryTaskItemsTyped({
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required String taskId,
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int limit = 20,
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int offset = 0,
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}) async {
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AppLogger.t('[FFI] → queryTaskItems: taskId=$taskId, limit=$limit, offset=$offset');
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final items = await ffi.queryTaskItems(filter: ffi_types.TaskItemFilterFfi(
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taskId: taskId,
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limit: limit,
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offset: offset,
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));
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AppLogger.t('[FFI] ← queryTaskItems: count=${items.length}');
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return items.map((i) => SyncTaskItemModel(
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id: i.id.toInt(),
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taskId: i.taskId,
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relativePath: i.relativePath,
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actionType: i.actionType,
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status: i.status,
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fileSize: i.fileSize.toInt(),
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errorMessage: i.errorMessage,
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createdAt: i.createdAt,
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updatedAt: i.updatedAt,
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)).toList();
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}
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// ========== 以下为低频操作，保持 debug 级别 ==========
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/// 水合文件 (Windows CFAPi)
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Future<void> hydrateFile(String localPath) async {
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AppLogger.d('[FFI] → hydrateFile: path=$localPath');
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await ffi.hydrateFile(localPath: localPath);
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AppLogger.d('[FFI] ← hydrateFile: ok');
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}
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/// 检查云端相册目录 (Android)
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Future<Map<String, dynamic>> checkCloudAlbumDirs(String baseUri) async {
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AppLogger.d('[FFI] → checkCloudAlbumDirs: uri=$baseUri');
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final result = await ffi.checkCloudAlbumDirs(baseUri: baseUri);
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AppLogger.d('[FFI] ← checkCloudAlbumDirs: dcim=${result.dcimExists}, pictures=${result.picturesExists}');
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return {
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'dcimExists': result.dcimExists,
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'picturesExists': result.picturesExists,
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'dcimUri': result.dcimUri,
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'picturesUri': result.picturesUri,
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};
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}
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/// 创建云端相册目录 (Android)
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Future<void> createCloudAlbumDirs(String baseUri) async {
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AppLogger.d('[FFI] → createCloudAlbumDirs: uri=$baseUri');
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await ffi.createCloudAlbumDirs(baseUri: baseUri);
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AppLogger.d('[FFI] ← createCloudAlbumDirs: ok');
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}
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/// 销毁同步引擎
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Future<void> dispose() async {
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AppLogger.d('[FFI] → disposeSyncEngine');
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await _eventController.close();
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await ffi.disposeSyncEngine();
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_initialized = false;
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AppLogger.d('[FFI] ← disposeSyncEngine: ok');
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}
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/// 热修改日志级别（立即生效，无需重启）
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Future<void> setLogLevel(String level) async {
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AppLogger.d('[FFI] → setSyncLogLevel: level=$level');
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await ffi.setSyncLogLevel(level: level);
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AppLogger.d('[FFI] ← setSyncLogLevel: ok');
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}
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/// 重置同步：停止任务 → 清空 DB → 清空本地目录 → 回到初始状态
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Future<void> resetSync() async {
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AppLogger.d('[FFI] → resetSync');
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await ffi.resetSync();
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AppLogger.d('[FFI] ← resetSync: ok');
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}
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}
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