import { IExternalDeviceService, IProductInfo } from '@energyweb/exchange';
import { DeviceService } from '@energyweb/origin-device-registry-irec-form-api';
import { IExternalDeviceId } from '@energyweb/origin-backend-core';
import { Injectable } from '@nestjs/common';
import { ModuleRef } from '@nestjs/core';

@Injectable()
export class ExternalDeviceService implements IExternalDeviceService {
    private _deviceService: DeviceService;

    constructor(private readonly moduleRef: ModuleRef) {}

    private get deviceService() {
        if (this._deviceService) {
            return this._deviceService;
        }

        this._deviceService = this.moduleRef.get<DeviceService>(DeviceService, {
            strict: false
        });

        return this._deviceService;
    }

    public async getDeviceProductInfo(id: IExternalDeviceId): Promise<IProductInfo> {
        return this.deviceService.findDeviceProductInfo(id);
    }
}