import BaseModel from './BaseModel';
import { index, getModelForClass, prop } from '@typegoose/typegoose';

/**
  * 自增 ID
*/
@index({ name: 1 })
export default class Counter extends BaseModel {

  @prop({ required: true })
  name: string;

  @prop({ required: true, default: 1 })
  seq: number;

  public static async getNewCounter(name: string, lean = true) {
    const counter = await CounterModel.findOneAndUpdate({ name }, { $inc: { seq: 1 } }, { new: true, upsert: true }).lean(lean);
    return counter?.seq;
  }

}

export const CounterModel = getModelForClass(Counter);