@IsTest
public with sharing class CreateFolderInvocableHandlerTest {
   
     @IsTest
    static void testDriveAutomateRequestInitialization() {

        System.debug('===== START Test DriveAutomateRequest =====');

        // Initialize static map
        CreateFolderInvocableHandler.staticMapForUseInNextTxn =
            new Map<String,String>();
        CreateFolderInvocableHandler.staticMapForUseInNextTxn.put('accesstoken', 'dummyToken');

        System.debug('Static Map: ' + CreateFolderInvocableHandler.staticMapForUseInNextTxn);

        CreateFolderInvocableHandler.DriveAutomateRequest req =
            new CreateFolderInvocableHandler.DriveAutomateRequest();

        req.folderName = 'Test Folder';
        req.parentFolderId = 'Parent001';
        req.storageType = 'Google Drive';
        req.driveId = 'Drive123';
        req.recordId = UserInfo.getUserId();

        System.debug(JSON.serializePretty(req));

        System.assertEquals('Test Folder', req.folderName);
        System.assertEquals('Google Drive', req.storageType);
    }


    /*
     * Mock response for createFolderFromAction callout
     */
    class FolderCalloutMock implements HttpCalloutMock {
        public HTTPResponse respond(HTTPRequest req) {

            System.debug('Mock Endpoint: ' + req.getEndpoint());
            System.debug('Mock Body: ' + req.getBody());

            HttpResponse res = new HttpResponse();
            res.setStatusCode(200);

            // Simulate response map structure expected
            res.setBody('{"parentFolderId":"Folder123","folderName":"UnitTest Folder","isnewAccesstoken":"true","newAccessToken":"newDummyToken"}');
            return res;
        }
    }



    @IsTest
    static void testHandleOperation_Success() {

        System.debug('===== START SUCCESS TEST =====');

        Test.setMock(HttpCalloutMock.class, new FolderCalloutMock());

        // Initialize static access token
        CreateFolderInvocableHandler.staticMapForUseInNextTxn =
            new Map<String,String>();
        CreateFolderInvocableHandler.staticMapForUseInNextTxn.put('accesstoken', 'oldDummyToken');

        // Prepare request
        CreateFolderInvocableHandler.DriveAutomateRequest req =
            new CreateFolderInvocableHandler.DriveAutomateRequest();

        req.folderName = 'UnitTest Folder';

              req.parentFolderId = 'Parent001';
        req.storageType = 'Google Drive';
        req.driveId = 'Drive123';
        req.recordId = UserInfo.getUserId();

        List<CreateFolderInvocableHandler.DriveAutomateRequest> requestList =
            new List<CreateFolderInvocableHandler.DriveAutomateRequest>{ req };

        Test.startTest();
        List<CreateFolderInvocableHandler.DriveAutomateResult> results =
            CreateFolderInvocableHandler.handleOperation(requestList);
        Test.stopTest();

        System.debug('Results: ' + JSON.serializePretty(results));
        System.debug('Updated Static Map: ' + CreateFolderInvocableHandler.staticMapForUseInNextTxn);
             // Assertions
       // System.assertEquals(1, results.size());
      //  System.assertEquals(req.recordId, results[0].recordId);
      //  System.assertEquals('Folder123', results[0].folderId);
       // System.assertEquals('UnitTest Folder', results[0].folderName);

        // Verify token updated
     //   System.assertEquals('newDummyToken',
            CreateFolderInvocableHandler.staticMapForUseInNextTxn.get('accesstoken');

        System.debug('===== END SUCCESS TEST =====');
    }
    
     @IsTest
    static void testHandleOperation_Exception() {

        System.debug('===== START EXCEPTION TEST =====');

        // Force exception by sending null list
        List<CreateFolderInvocableHandler.DriveAutomateRequest> requestList = null;

        Test.startTest();
        List<CreateFolderInvocableHandler.DriveAutomateResult> results =
            CreateFolderInvocableHandler.handleOperation(requestList);
        Test.stopTest();

        System.debug('Exception Results: ' + JSON.serializePretty(results));

       // System.assertEquals(1, results.size());
       // System.assert(results[0].folderName.contains('Error'));

        System.debug('===== END EXCEPTION TEST =====');
    }

}