import PDFKit from 'pdfkit';
import { Invoice } from '../../types/invoice.types';

export class ClosingSection {
  private doc: PDFKit.PDFDocument;
  private currentY: number;

  constructor(doc: PDFKit.PDFDocument, currentY: number) {
    this.doc = doc;
    this.currentY = currentY;
  }

  /**
   * Bereich 4: Grußformel
   * DIN 5008: Mindestens 20mm Abstand zur Tabelle
   */
  public draw(invoice: Invoice): number {
    // Zahlungsinformationen im korrekten Format
    const paymentText = `Zahlbar ohne Abzug bis zum ${invoice.paymentInfo.dueDate}.`;
    
    this.doc.font('Helvetica')
      .fontSize(10)
      .text(paymentText, 50, this.currentY, { continued: false });
    
    this.currentY += 30;
    
    // Grußformel
    this.doc.font('Helvetica')
      .fontSize(10)
      .text('Mit freundlichen Grüßen', 50, this.currentY, { continued: false });
    this.currentY += 15;
    this.doc.text(invoice.sender.name, 50, this.currentY, { continued: false });
    
    this.currentY += 40;
    
    return this.currentY;
  }
}