// PDF to DOCX conversion using GroupDocs.Conversion Cloud SDK for Node.js

const GroupDocsConversionCloud = require('groupdocs-conversion-cloud');
const path = require('path');

// -------------------- Configuration --------------------
const CLIENT_ID = process.env.GROUPDOCS_CLIENT_ID || 'YOUR_CLIENT_ID';
const CLIENT_SECRET = process.env.GROUPDOCS_CLIENT_SECRET || 'YOUR_CLIENT_SECRET';

// Initialize API client
const apiInstance = new GroupDocsConversionCloud.ConversionApi();
apiInstance.apiClient = new GroupDocsConversionCloud.ApiClient();
apiInstance.apiClient.basePath = 'https://api.groupdocs.cloud';
apiInstance.apiClient.authentications['JWT'].clientId = CLIENT_ID;
apiInstance.apiClient.authentications['JWT'].clientSecret = CLIENT_SECRET;

// -------------------- Conversion Logic --------------------
async function convertPdfToDocx() {
    try {
        // Input file information (must already be uploaded to GroupDocs Cloud storage)
        const inputFileInfo = new GroupDocsConversionCloud.FileInfo();
        inputFileInfo.filePath = path.normalize('input.pdf'); // generic path in cloud storage

// DOCX specific conversion options (optional, shown for demonstration)
        const docxOptions = new GroupDocsConversionCloud.DocxConvertOptions();
        docxOptions.preserveOriginalFormatting = true; // keep original PDF layout as much as possible
        docxOptions.password = null; // if PDF is password protected, set it here

// Build conversion request
        const convertRequest = new GroupDocsConversionCloud.ConvertDocumentRequest();
        convertRequest.format = 'docx';
        convertRequest.fileInfo = inputFileInfo;
        convertRequest.outputPath = path.normalize('output.docx'); // result will be stored in cloud storage
        convertRequest.options = docxOptions; // attach format‑specific options

// Perform conversion (async)
        const conversionResult = await apiInstance.convertDocument(convertRequest);

// conversionResult contains the path of the generated file and other metadata
        console.log('Conversion succeeded.');
        console.log('Output file path:', conversionResult.path);
        console.log('File size (bytes):', conversionResult.size);
    } catch (error) {
        // Detailed error handling
        if (error.response && error.response.body) {
            console.error('API error:', error.response.body);
        } else {
            console.error('Unexpected error:', error.message);
        }
    }
}

// -------------------- Execution --------------------
(async () => {
    // Optional: set a timeout to avoid hanging indefinitely
    const timeoutMs = 300000; // 5 minutes
    const timeout = setTimeout(() => {
        console.error('Conversion timed out after', timeoutMs / 1000, 'seconds');
        process.exit(1);
    }, timeoutMs);

await convertPdfToDocx();

clearTimeout(timeout);
    // Graceful shutdown
    process.exit(0);
})();

curl -X POST "https://api.groupdocs.cloud/v1.0/oauth2/token" \
     -H "Content-Type: application/json" \
     -d '{
           "grant_type":"client_credentials",
           "client_id":"YOUR_CLIENT_ID",
           "client_secret":"YOUR_CLIENT_SECRET"
         }'

curl -X PUT "https://api.groupdocs.cloud/v1.0/storage/file/input.pdf" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/pdf" \
     --data-binary @./local/input.pdf

curl -X POST "https://api.groupdocs.cloud/v1.0/conversion/convert" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     -d '{
           "format":"docx",
           "fileInfo":{"filePath":"input.pdf"},
           "outputPath":"output.docx",
           "options":{"preserveOriginalFormatting":true}
         }'

curl -X GET "https://api.groupdocs.cloud/v1.0/storage/file/output.docx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -o ./local/output.docx

const GroupDocsConversionCloud = require('groupdocs-conversion-cloud');
const apiInstance = new GroupDocsConversionCloud.ConversionApi();

apiInstance.apiClient.authentications['JWT'].clientId = CLIENT_ID;
apiInstance.apiClient.authentications['JWT'].clientSecret = CLIENT_SECRET;

const inputFileInfo = new GroupDocsConversionCloud.FileInfo();
inputFileInfo.filePath = path.normalize('input.pdf');

const docxOptions = new GroupDocsConversionCloud.DocxConvertOptions();
docxOptions.preserveOriginalFormatting = true;

const convertRequest = new GroupDocsConversionCloud.ConvertDocumentRequest();
convertRequest.format = 'docx';
convertRequest.fileInfo = inputFileInfo;
convertRequest.outputPath = path.normalize('output.docx');
convertRequest.options = docxOptions;
const conversionResult = await apiInstance.convertDocument(convertRequest);

npm install groupdocs-conversion-cloud

const GroupDocsConversionCloud = require('groupdocs-conversion-cloud');
const apiInstance = new GroupDocsConversionCloud.ConversionApi();
apiInstance.apiClient.basePath = 'https://api.groupdocs.cloud';