const GroupDocsComparisonCloud = require("@groupdocs/comparison-cloud");
const fs = require("fs");
const path = require("path");

// ==== Authentication =========================================================
const clientId = "YOUR_CLIENT_ID";
const clientSecret = "YOUR_CLIENT_SECRET";

const config = new GroupDocsComparisonCloud.Configuration(clientId, clientSecret);
const compareApi = new GroupDocsComparisonCloud.CompareApi(config);
const storageApi = new GroupDocsComparisonCloud.StorageApi(config);

// ==== File definitions =======================================================
const sourceFileName = "document1.docx";
const targetFileName = "document2.docx";
const resultFileName = "comparison_result.docx";

const sourceFilePath = path.resolve(__dirname, sourceFileName);
const targetFilePath = path.resolve(__dirname, targetFileName);

// ==== Main async function ====================================================
(async () => {
    try {
        // ---- Upload source document -----------------------------------------
        const sourceData = fs.readFileSync(sourceFilePath);
        const uploadSourceReq = new GroupDocsComparisonCloud.UploadFileRequest({
            path: sourceFileName,
            file: sourceData
        });
        await storageApi.uploadFile(uploadSourceReq);

// ---- Upload target document -----------------------------------------
        const targetData = fs.readFileSync(targetFilePath);
        const uploadTargetReq = new GroupDocsComparisonCloud.UploadFileRequest({
            path: targetFileName,
            file: targetData
        });
        await storageApi.uploadFile(uploadTargetReq);

// ---- Prepare comparison options --------------------------------------
        const compareOptions = new GroupDocsComparisonCloud.CompareOptions({
            sourceFile: new GroupDocsComparisonCloud.FileInfo({ filePath: sourceFileName }),
            targetFiles: [new GroupDocsComparisonCloud.FileInfo({ filePath: targetFileName })],
            outputPath: resultFileName,
            // optional: you can set settings like generateSummaryPage, showDeletedContent, etc.
        });

const compareRequest = new GroupDocsComparisonCloud.CompareDocumentRequest({
            compareOptions: compareOptions
        });

// ---- Execute comparison -----------------------------------------------
        const compareResult = await compareApi.compareDocument(compareRequest);
        console.log("Comparison completed. Result stored at:", compareResult.path);

// ---- (Optional) Clean up uploaded files --------------------------------
        await storageApi.deleteFile(new GroupDocsComparisonCloud.DeleteFileRequest({ path: sourceFileName }));
        await storageApi.deleteFile(new GroupDocsComparisonCloud.DeleteFileRequest({ path: targetFileName }));
        // Note: result file remains in storage; you can download it if needed.
    } catch (error) {
        console.error("Error during comparison:", error);
    }
})();

curl -X POST "https://api.groupdocs.cloud/v2.0/oauth2/token" \
     -H "Content-Type: application/x-www-form-urlencoded" \
     -d "grant_type=client_credentials&client_id=YOUR_CLIENT_ID&client_secret=YOUR_CLIENT_SECRET"

curl -X PUT "https://api.groupdocs.cloud/v2.0/storage/file/document1.docx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/octet-stream" \
     --data-binary "@path/to/document1.docx"

curl -X PUT "https://api.groupdocs.cloud/v2.0/storage/file/document2.docx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/octet-stream" \
     --data-binary "@path/to/document2.docx"

curl -X POST "https://api.groupdocs.cloud/v2.0/comparison/compare" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     -d '{
           "sourceFile": { "filePath": "document1.docx" },
           "targetFiles": [{ "filePath": "document2.docx" }],
           "outputPath": "comparison_result.docx"
         }'

curl -X GET "https://api.groupdocs.cloud/v2.0/storage/file/comparison_result.docx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -o comparison_result.docx

const GroupDocsComparisonCloud = require("@groupdocs/comparison-cloud");
const fs = require("fs");
const path = require("path");

const config = new GroupDocsComparisonCloud.Configuration(clientId, clientSecret);

const compareApi = new GroupDocsComparisonCloud.CompareApi(config);
const storageApi = new GroupDocsComparisonCloud.StorageApi(config);

const uploadSourceReq = new GroupDocsComparisonCloud.UploadFileRequest({
    path: sourceFileName,
    file: sourceData
});
await storageApi.uploadFile(uploadSourceReq);

const compareOptions = new GroupDocsComparisonCloud.CompareOptions({
    sourceFile: new GroupDocsComparisonCloud.FileInfo({ filePath: sourceFileName }),
    targetFiles: [new GroupDocsComparisonCloud.FileInfo({ filePath: targetFileName })],
    outputPath: resultFileName,
});
const compareRequest = new GroupDocsComparisonCloud.CompareDocumentRequest({
    compareOptions: compareOptions
});
const compareResult = await compareApi.compareDocument(compareRequest);

await storageApi.deleteFile(new GroupDocsComparisonCloud.DeleteFileRequest({ path: sourceFileName }));
await storageApi.deleteFile(new GroupDocsComparisonCloud.DeleteFileRequest({ path: targetFileName }));

npm install groupdocs-comparison-cloud