import { HttpService, Injectable } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';

@Injectable()
export class DeviceService {
  constructor(
    private readonly cfg: ConfigService,
    private readonly http: HttpService
  ) {
  }

  private get schema(): string {
    return this.cfg.get('DEVICE_HTTP_SCHEMA');
  }

  private get port(): string {
    return this.cfg.get('DEVICE_HTTP_PORT');
  }

  private endpoint(ip: string): string {
    return `${this.schema}://${ip}:${this.port}`;
  }

  async setCert(ip: string, payload: any) {
    try {
      const response = await this.http.put(`${this.endpoint(ip)}/credentials`, payload).toPromise();
      return response.data;
    } catch ({ response }) {
      throw { data: response.data, status: response.status, path: response.config.url };
    }
  }

  async connectivityTest(ip: string) {
    try {
      const response = await this.http.head(`${this.endpoint(ip)}/validate`).toPromise();
      return response.data;
    } catch ({ response }) {
      throw { data: response.data, status: response.status, path: response.config.url };
    }
  }

  async reset(ip: string) {
    try {
      const response = await this.http.head(`${this.endpoint(ip)}/reset`).toPromise();
      return response.data;
    } catch ({ response }) {
      throw { data: response.data, status: response.status, path: response.config.url };
    }
  }
}