import 'reflect-metadata';
import { Container, injectable } from 'inversify';
import { NapCatCore } from '../..';
import { TypedEventEmitter } from './typeEvent';

export const container = new Container();

export const ReceiverServiceRegistry = new Map<string, new (...args: any[]) => ServiceBase>();

export abstract class ServiceBase {
  get core (): NapCatCore {
    return container.get(NapCatCore);
  }

  get event () {
    return container.get(TypedEventEmitter);
  }

  abstract handler (seq: number, hex_data: string): Promise<void> | void;
}

export function ReceiveService (serviceName: string) {
  return function <T extends new (...args: any[]) => ServiceBase>(constructor: T) {
    injectable()(constructor);
    ReceiverServiceRegistry.set(serviceName, constructor);
    return constructor;
  };
}