import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';

import '../../../core/utils/logger.dart';
import '../../../core/utils/upload_oss.dart';
import '../db/sqflite_api.dart';
import 'meeting_task_service.dart';

class MeetingUploadService extends GetxService {
  final _taskService = Get.find<MeetingTaskService>();

  final GetStorage _storage = GetStorage();

  RxInt meetingId = 0.obs;
  RxDouble uploadProgress = 0.0.obs;
  RxList uploadList = [].obs;

  bool _isUpload = false;
  int _handled = 0;

  @override
  void onInit() {
    super.onInit();
    _getUploadList();
  }

  void _getUploadList() {
    uploadList.value = _storage.read("meeting_upload_list") ?? [];
    _executeUpload();
  }

  void addUpload(int id, String filePath, String rootDir) async {
    uploadList.add({
      'id': id,
      'filepath': filePath,
      'rootdir': rootDir,
      'audiourl': '',
      'isTask': false,
    });
    _storage.write("meeting_upload_list", uploadList);
    _executeUpload();
  }

  void _executeUpload() async {
    if (_isUpload) return;
    _isUpload = true;
    _handled = 0;
    while (_handled < uploadList.length) {
      Map element = uploadList[_handled];
      _handled++;
      if (element['audiourl'].isEmpty) {
        meetingId.value = element['id'];
        try {
          final audiourl = await UploadOss.upload(
            filepath: element['filepath'],
            rootDir: element['rootdir'],
            onSendProgress: (int count, int total) {
              uploadProgress.value = count / total;
            },
          );
          await SqfliteApi.editMeetingTitle(
            element['id'],
            {'audiourl': audiourl},
          );
          if (element['isTask']) {
            await _taskService.addTaskList(element['id'], audiourl, '');
          }
          element['audiourl'] = audiourl;
          uploadProgress.value = 0.0;
          _storage.write("meeting_upload_list", uploadList);
        } catch (e) {
          Logger.error('Upload failed: $e');
        }
      }
    }
    meetingId.value = 0;
    _isUpload = false;
  }

  void removeUpload(int id, {bool isDeleteTask = false}) {
    Map uploadData = uploadList.firstWhere(
      (element) => element['id'] == id,
      orElse: () => {},
    );
    if (uploadData.isNotEmpty) {
      if (isDeleteTask || uploadData['audiourl'].isNotEmpty) {
        uploadList.remove(uploadData);
        _storage.write("meeting_upload_list", uploadList);
        if (uploadList.isEmpty) {
          _handled = 0;
        }
      }
    }
  }
}