import { Inject, Injectable } from '@nestjs/common';
import { DucClient } from '../duc/client.config';
import { ClientGrpc } from '@nestjs/microservices';
import DadosferaLogger from '@dadosfera/dadosfera-logs';
import { CustomersProtoService } from '@dadosfera/protospack-v2/dist/lib/Duc/interfaces/write-service';
import { ProtoServices } from '@dadosfera/protospack-v2/dist/lib/Duc';
import { Metadata } from '@grpc/grpc-js';
import { lastValueFrom } from 'rxjs';
import { NetworkPoliciesDTO } from './dto/network-policy.dto';


@Injectable()
export class NetworkPolicyService {
  private customerService: CustomersProtoService;
  private logger: DadosferaLogger;

  constructor(
    @Inject(DucClient.name) private readonly grpcClient: ClientGrpc,
    @Inject(DadosferaLogger)
    dadosferaLogger: DadosferaLogger,
  ) {
    this.logger = dadosferaLogger.logger;
  }

  onModuleInit() {
    this.customerService = this.grpcClient.getService<CustomersProtoService>(
      ProtoServices.CustomersProtoService,
    );
  }

  async getByCustomer(id: string): Promise<NetworkPoliciesDTO> {
    const {
      customer
    } = await lastValueFrom(this.customerService.CustomerFindOneById({
      id
    }));

    return {
      policies: customer.networkPolicies
    }
  }

  async apply(
    networkPolicies: string[],
    customerId: string,
    metadata: Metadata,
  ) {
    return await lastValueFrom(
      this.customerService.CustomerCreateNetworkPolicy(
        {
          customerId,
          networkPolicies,
        },
        metadata,
      ),
    );
  }

  async delete(
    networkPolicies: string[],
    customerId: string,
    metadata: Metadata,
  ) {
    return await lastValueFrom(
      this.customerService.CustomerRemoveNetworkPolicy(
        {
          customerId,
          networkPolicies,
        },
        metadata,
      ),
    );
  }
}