Stirling-PDF/frontend/src/hooks/tools/manageSignatures/useManageSignaturesOperation.ts

import { useTranslation } from 'react-i18next';
import { ToolType, useToolOperation } from '../shared/useToolOperation';
import { createStandardErrorHandler } from '../../../utils/toolErrorHandler';
import { ManageSignaturesParameters, defaultParameters } from './useManageSignaturesParameters';

// Build form data for signing
export const buildManageSignaturesFormData = (parameters: ManageSignaturesParameters, file: File): FormData => {
  const formData = new FormData();
  formData.append('fileInput', file);
  formData.append('certType', parameters.certType);
  formData.append('password', parameters.password);
  
  // Add certificate files based on type
  switch (parameters.certType) {
    case 'PEM':
      if (parameters.privateKeyFile) {
        formData.append('privateKeyFile', parameters.privateKeyFile);
      }
      if (parameters.certFile) {
        formData.append('certFile', parameters.certFile);
      }
      break;
    case 'PKCS12':
      if (parameters.p12File) {
        formData.append('p12File', parameters.p12File);
      }
      break;
    case 'JKS':
      if (parameters.jksFile) {
        formData.append('jksFile', parameters.jksFile);
      }
      break;
  }
  
  // Add signature appearance options if enabled
  if (parameters.showSignature) {
    formData.append('showSignature', 'true');
    formData.append('reason', parameters.reason);
    formData.append('location', parameters.location);
    formData.append('name', parameters.name);
    formData.append('pageNumber', parameters.pageNumber.toString());
    formData.append('showLogo', parameters.showLogo.toString());
  }
  
  return formData;
};

// Static configuration object
export const manageSignaturesOperationConfig = {
  toolType: ToolType.singleFile,
  buildFormData: buildManageSignaturesFormData,
  operationType: 'manageSignatures',
  endpoint: '/api/v1/security/cert-sign',
  filePrefix: 'signed_', // Will be overridden in hook with translation
  multiFileEndpoint: false,
  defaultParameters,
} as const;

export const useManageSignaturesOperation = () => {
  const { t } = useTranslation();

  return useToolOperation<ManageSignaturesParameters>({
    ...manageSignaturesOperationConfig,
    filePrefix: t('manageSignatures.filenamePrefix', 'signed') + '_',
    getErrorMessage: createStandardErrorHandler(t('manageSignatures.error.failed', 'An error occurred while processing signatures.'))
  });
};