// src/app/dashboard/sync-actions.ts
'use server';

import { auth } from "@/auth";
import { revalidatePath } from "next/cache";
import { upsertFileNode } from "@/data-access/file-nodes";
import { getWebCalibreChildren } from "@/services/onedrive";
// src/app/dashboard/sync-actions.ts
//import { upsertFileNode } from "@/data-access/file-nodes"; // Change this from /services/onedrive

export async function syncOneDrive() {
  const session = await auth();
  if (!session?.user?.id) throw new Error("Unauthorized");

  try {
    // 1. Call Service to get cloud data (token refresh handled inside service)
    const items = await getWebCalibreChildren(session.user.id);
    
    let syncedCount = 0;
    const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;

    for (const item of items) {
      const isFolder = !!item.folder;

      // Business Logic: Skip UUID storage folders
      if (isFolder && uuidRegex.test(item.name)) continue;

      const extension = isFolder ? 'FOLDER' : (item.name.split('.').pop()?.toUpperCase() || 'UNKNOWN');

      // 2. Call DAL to save to database
      await upsertFileNode(item.id, {
        name: item.name,
        size: BigInt(item.size || 0),
        isFolder: isFolder,
        path: item.parentReference?.path + '/' + item.name,
        ownerId: session.user.id,
        metadata: { type: extension, mimeType: item.file?.mimeType || null },
      });
      
      syncedCount++;
    }
    
    revalidatePath('/dashboard');
    return { success: true, count: syncedCount };
  } catch (error: any) {
    console.error("Sync Error:", error.message);
    throw new Error("Failed to sync with OneDrive");
  }
}