ReadKeep/readeck/Data/CoreData/CoreDataManager.swift

import CoreData
import Foundation

class CoreDataManager {
    static let shared = CoreDataManager()
    
    private init() {}
    
    lazy var persistentContainer: NSPersistentContainer = {
        let container = NSPersistentContainer(name: "readeck")
        
        // Use App Group container for shared access with extensions
        let storeURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.readeck.app")?.appendingPathComponent("readeck.sqlite")
        
        if let storeURL = storeURL {
            let storeDescription = NSPersistentStoreDescription(url: storeURL)
            container.persistentStoreDescriptions = [storeDescription]
        }
        
        container.loadPersistentStores { _, error in
            if let error = error {
                fatalError("Core Data error: \(error)")
            }
        }
        return container
    }()
    
    var context: NSManagedObjectContext {
        return persistentContainer.viewContext
    }
    
    func save() {
        if context.hasChanges {
            do {
                try context.save()
            } catch {
                print("Failed to save Core Data context: \(error)")
            }
        }
    }
}