import 'dart:convert';

import 'package:get_storage/get_storage.dart';

import '../../data/services/db/sqflite_api.dart';
import '../../data/services/network/api.dart';

class Synchrodata {
  static final GetStorage _storage = GetStorage();

  static List<Map<String, dynamic>> _records =
      (_storage.read("operation_records") as List?)
              ?.map((e) => Map<String, dynamic>.from(e as Map))
              .toList() ??
          [];
  static List _delids = _storage.read("operation_delids") ?? [];
  static bool _isSynchro = false;

  // 保存操作记录
  static Future saveOperationRecord(
    String method,
    dynamic params,
  ) async {
    String userId = '';
    Map? userInfo = _storage.read("user_info");
    if (userInfo != null) {
      userId = userInfo['user']['uid'];
    }
    String id = '${userId}_${params['id']}';
    if (params['type'] != null) {
      params['rtype'] = params['type'];
    }

    switch (method) {
      case 'insert':
        _records.add({
          ...Map<String, dynamic>.from(params),
          'id': id,
          'number': params['id'],
          'uid': userId,
        });
        _storage.write("operation_records", _records);
        break;
      case 'update':
        Map<String, dynamic>? foundElement = _records.firstWhere(
          (element) => element['id'] == id,
          orElse: () => {},
        );
        if (foundElement.isNotEmpty) {
          foundElement.addAll({
            ...Map<String, dynamic>.from(params),
            'id': id,
            'number': params['id'],
          });
        } else {
          _records.add({
            ...Map<String, dynamic>.from(params),
            'id': id,
            'number': params['id'],
            'uid': userId,
          });
        }
        _storage.write("operation_records", _records);
        break;
      case 'delete':
        _delids.add(id);
        _storage.write("operation_delids", _delids);
        break;
      default:
        break;
    }
  }

  // 上传操作记录
  static Future uploadOperationRecords({bool isSynchro = false}) async {
    if (_isSynchro) return;
    _isSynchro = true;
    if (_records.isNotEmpty || _delids.isNotEmpty) {
      // 获取需要修改的全部数据
      List putRecords = [];
      for (var element in _records) {
        Map result = {'details': {}};
        List speakerList = [];
        if (!_delids.contains(element['id'])) {
          result = await SqfliteApi.getMeetingDetails(element['number']);
          speakerList = await SqfliteApi.getMeetingSpeaker(element['number']);
        }
        putRecords.add({
          ...Map<String, dynamic>.from(result),
          ...Map<String, dynamic>.from(result['details']),
          'rtype': result['type'],
          'original': jsonEncode(speakerList),
          ...Map<String, dynamic>.from(element),
        });
      }
      var result = await Api.putOperationRecord({
        'delids': _delids,
        'records': putRecords,
      });
      if (result != null) {
        _records = [];
        _delids = [];
        _storage.write("operation_records", _records);
        _storage.write("operation_delids", _delids);
      }
    }
    if (isSynchro) {
      await _synchrodata();
    }
    _isSynchro = false;
  }

  // 同步数据
  static Future _synchrodata() async {
    var result = await Api.getOperationRecord();
  }
}