import { getDocumesoDocumentByExternalId, checkDocumentSignatureStatus } from '~/server/utils/documeso';
import { getInterestById } from '~/server/utils/nocodb';

export default defineEventHandler(async (event) => {
  const xTagHeader = getRequestHeader(event, "x-tag");

  if (!xTagHeader || (xTagHeader !== "094ut234" && xTagHeader !== "pjnvü1230")) {
    throw createError({ statusCode: 401, statusMessage: "unauthenticated" });
  }

  try {
    const query = getQuery(event);
    const interestId = query.interestId as string;
    const documentId = query.documentId as string;
    
    console.log('[check-signature-status] Request params:', { interestId, documentId });
    
    if (!interestId && !documentId) {
      throw createError({
        statusCode: 400,
        statusMessage: 'Either interest ID or document ID is required',
      });
    }
    
    // If we have a document ID, check directly
    if (documentId) {
      console.log('[check-signature-status] Using provided document ID:', documentId);
      const status = await checkDocumentSignatureStatus(parseInt(documentId));
      return {
        success: true,
        ...status
      };
    }
    
    // Get the interest to check for stored documensoID
    const interest = await getInterestById(interestId);
    console.log('[check-signature-status] Interest retrieved:', {
      id: interest.Id,
      documensoID: interest['documensoID'],
      documensoID_type: typeof interest['documensoID'],
      has_signature_links: !!(interest['Signature Link Client'] || interest['Signature Link CC'] || interest['Signature Link Developer'])
    });
    
    // If we have a stored documensoID, use it directly
    if (interest && interest['documensoID']) {
      console.log('[check-signature-status] Using stored documensoID:', interest['documensoID']);
      const status = await checkDocumentSignatureStatus(parseInt(interest['documensoID']));
      return {
        success: true,
        documentId: parseInt(interest['documensoID']),
        ...status
      };
    }
    
    // Otherwise, try to find by external ID (using interestId) - fallback method
    console.log('[check-signature-status] No documensoID stored, trying external ID fallback');
    const externalId = `loi-${interestId}`;
    const document = await getDocumesoDocumentByExternalId(externalId);
    
    if (!document) {
      console.log('[check-signature-status] No document found by external ID either');
      throw createError({
        statusCode: 404,
        statusMessage: 'Document not found for this interest - no documensoID stored and external ID lookup failed',
      });
    }
    
    console.log('[check-signature-status] Found document by external ID:', document.id);
    const status = await checkDocumentSignatureStatus(document.id);
    
    return {
      success: true,
      documentId: document.id,
      ...status
    };
  } catch (error: any) {
    console.error('[check-signature-status] Failed to check signature status:', error);
    throw createError({
      statusCode: error.statusCode || 500,
      statusMessage: error.statusMessage || 'Failed to check signature status',
    });
  }
});