import type {
  ExpenseDocumentType,
  DocumentType as GreenInvoiceDocumentType,
} from '@accounter/green-invoice-graphql';
import { DocumentType } from '@shared/gql-types';

export function normalizeDocumentType(
  rawType?: GreenInvoiceDocumentType | ExpenseDocumentType | number | null,
): DocumentType {
  if (!rawType) {
    return DocumentType.Unprocessed;
  }

  if (typeof rawType === 'string' && rawType.startsWith('_')) {
    const int = parseInt(rawType.replace('_', ''));
    if (Number.isInteger(int)) {
      rawType = int;
    }
  }

  switch (rawType) {
    case 20:
      // חשבון / אישור תשלום
      return DocumentType.Invoice;
    case 300:
      // חשבונית עסקה
      return DocumentType.Proforma;
    case 305:
      // חשבונית מס
      return DocumentType.Invoice;
    case 320:
      // חשבונית מס\קבלה
      return DocumentType.InvoiceReceipt;
    case 330:
      // חשבונית זיכוי
      return DocumentType.CreditInvoice;
    case 400:
      // קבלה
      return DocumentType.Receipt;
    case 405:
      // קבלה על תרומה
      return DocumentType.Unprocessed;
    default:
      console.log(`Got a new document type from Green Invoice: ${rawType}`);
      return DocumentType.Unprocessed;
  }
}

export function getGreenInvoiceDocumentType(documentType: DocumentType): GreenInvoiceDocumentType {
  switch (documentType) {
    case DocumentType.Invoice:
      return '_305';
    case DocumentType.Proforma:
      return '_300';
    case DocumentType.InvoiceReceipt:
      return '_320';
    case DocumentType.CreditInvoice:
      return '_330';
    case DocumentType.Receipt:
      return '_400';
    default:
      throw new Error(`Unsupported document type: ${documentType}`);
  }
}