static let shared = CoreDataExample()

private init() {}

lazy var persistentContainer: NSPersistentContainer = {

let container = NSPersistentContainer(name: "ExampleModel")

container.loadPersistentStores { description, error in

if let error = error {

fatalError("Unable to load persistent stores: \(error)")

}

}

return container

}()

var viewContext: NSManagedObjectContext {

return persistentContainer.viewContext

}

func setupDebugSwift() {

DebugSwift.Resources.shared.configureCoreData(container: persistentContainer)

}

func createSampleData() {

let context = viewContext

for i in 1...10 {

let person = NSEntityDescription.insertNewObject(forEntityName: "Person", into: context)

person.setValue("Person \(i)", forKey: "name")

person.setValue(20 + i, forKey: "age")

person.setValue(Date().addingTimeInterval(TimeInterval(-i * 86400)), forKey: "birthDate")

person.setValue(i % 2 == 0, forKey: "isActive")

if i % 2 == 0 {

let address = NSEntityDescription.insertNewObject(forEntityName: "Address", into: context)

address.setValue("Street \(i)", forKey: "street")

address.setValue("City \(i)", forKey: "city")

address.setValue("1000\(i)", forKey: "zipCode")

person.setValue(address, forKey: "address")

}

if i <= 5 {

for j in 1...3 {

let task = NSEntityDescription.insertNewObject(forEntityName: "Task", into: context)

task.setValue("Task \(i)-\(j)", forKey: "title")

task.setValue("Description for task \(i)-\(j)", forKey: "taskDescription")

task.setValue(j % 2 == 0, forKey: "isCompleted")

task.setValue(Date(), forKey: "createdAt")

}

}

}

do {

try context.save()

print("✅ Sample Core Data created successfully")

} catch {

print("❌ Failed to save sample data: \(error)")

}

}