import { Logger } from '@nestjs/common';
import { EInvoiceIntegrator, IntegratorConfig, InvoiceResponse } from './integrator.interface';
import { CreateEInvoiceDto } from '../dto/e-invoice.dto';

/**
 * Logo E-Fatura Entegratörü
 * SOAP tabanlı Web Servislerini kullanır.
 */
export class LogoIntegrator implements EInvoiceIntegrator {
  readonly name = 'Logo';
  private readonly logger = new Logger('LogoIntegrator');

  async createInvoice(dto: CreateEInvoiceDto, config: IntegratorConfig): Promise<InvoiceResponse> {
    this.logger.log(`Logo üzerinden SOAP faturası oluşturuluyor: ${dto.orderId}`);

    // Logo SOAP Envelope Hazırlığı (Simüle)
    const soapEnvelope = `
      <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ser="http://logo.com/einvoice/service">
        <soapenv:Header/>
        <soapenv:Body>
          <ser:sendInvoice>
            <username>${config.username}</username>
            <password>${config.password}</password>
            <invoiceXml><!-- UBL-TR XML Buraya Gelecek --></invoiceXml>
          </ser:sendInvoice>
        </soapenv:Body>
      </soapenv:Envelope>
    `;

    // Gerçek implementasyonda 'easy-soap-request' veya 'axios' ile POST yapılacak
    
    return {
      success: true,
      invoiceNumber: `LGO2024${Math.floor(Math.random() * 1000000000).toString().padStart(9, '0')}`,
      gibInvoiceId: crypto.randomUUID(),
      status: 'SENT'
    };
  }

  async checkStatus(gibInvoiceId: string, config: IntegratorConfig): Promise<string> {
    return 'SENT';
  }

  async cancelInvoice(gibInvoiceId: string, reason: string, config: IntegratorConfig): Promise<boolean> {
    return true;
  }

  async getInvoicePdf(gibInvoiceId: string, config: IntegratorConfig): Promise<string> {
    return `https://logo-bulut.com/efatura/v1/pdf/${gibInvoiceId}`;
  }
}