docId will be broken up into individual docs, saved into the same folder as docId

Breakup Into Docs Based on H1.js

//docId will be broken up into individual docs, saved into the same folder as docId
function extractLecturesToDocs() {
    const docId = "98989qeWT71TOm9PvG3TzWWlEscDfMkbO4A0LQBV8V5t4"; // Correct document ID
    const sourceDoc = DocumentApp.openById(docId);
    const body = sourceDoc.getBody();
    const elements = body.getParagraphs();
    const folder = DriveApp.getFileById(docId).getParents().next(); // Get parent folder directly as a Folder object

    let currentDoc = null;
    let currentBody = null;
    let textBuffer = "";
    let headingText = "";

    Logger.log("Starting document processing...");

    elements.forEach(function (element) {
        if (element.getHeading() === DocumentApp.ParagraphHeading.HEADING1) {
            if (currentDoc) {
                // Save what's been gathered so far to the current document
                currentBody.setText(textBuffer);
                currentBody.insertParagraph(0, headingText).setHeading(DocumentApp.ParagraphHeading.HEADING1);
                currentDoc.saveAndClose();
                Logger.log("Document saved and closed: " + currentDoc.getName());
                // Move the document to the designated folder, ensuring document name is valid
                try {
                    DriveApp.getFileById(currentDoc.getId()).moveTo(folder);
                } catch (e) {
                    Logger.log("Error moving document: " + e.toString());
                }
                textBuffer = ""; // Clear the buffer
            }
            // Start a new document
            headingText = element.getText();
            if (!headingText) {
                headingText = "Untitled Document"; // Default name if heading is empty
            }
            currentDoc = DocumentApp.create(headingText);
            currentBody = currentDoc.getBody();
            textBuffer = ""; // Start fresh text buffer
            Logger.log("Starting new document: " + currentDoc.getName());
        } else if (currentBody) {
            textBuffer += element.getText() + "\n"; // Continue buffering text
        }
    });

    // Handle the last document if it exists
    if (currentDoc) {
        currentBody.setText(textBuffer);
        currentBody.insertParagraph(0, headingText).setHeading(DocumentApp.ParagraphHeading.HEADING1);
        currentDoc.saveAndClose();
        Logger.log("Final document saved and closed: " + currentDoc.getName());
        // Move the document to the designated folder
        try {
            DriveApp.getFileById(currentDoc.getId()).moveTo(folder);
        } catch (e) {
            Logger.log("Error moving final document: " + e.toString());
        }
    }

    Logger.log("Document processing completed.");
}