import Singular

class SceneDelegate: UIResponder, UIWindowSceneDelegate {

    var window: UIWindow?

    // 1️⃣ App launch
    func scene(_ scene: UIScene, willConnectTo session: UISceneSession,
              options connectionOptions: UIScene.ConnectionOptions) {

        // ANTI-SWIZZLING: Capture deep link parameters IMMEDIATELY before any
        // other code runs. This prevents third-party SDKs from intercepting
        // or modifying these values.
        let userActivity = connectionOptions.userActivities.first
        let urlContext = connectionOptions.urlContexts.first
        let openUrl = urlContext?.url

        #if DEBUG
        // Log captured values to detect swizzling interference
        print("[SWIZZLE CHECK] UserActivity captured:", userActivity?.webpageURL?.absoluteString ?? "none")
        print("[SWIZZLE CHECK] URL Context captured:", openUrl?.absoluteString ?? "none")
        print("IDFV:", UIDevice.current.identifierForVendor?.uuidString ?? "N/A")
        #endif

        // Create window from windowScene
        guard let windowScene = scene as? UIWindowScene else { return }
        window = UIWindow(windowScene: windowScene)
        window?.rootViewController = UIViewController() // Replace with your root VC
        window?.makeKeyAndVisible()

        // Singular initialization - uses captured values to avoid swizzling conflicts
        guard let config = getConfig() else { return }

        // Pass Universal Link if available
        if let userActivity = userActivity {
            config.userActivity = userActivity
        }

        // Pass URL scheme if available
        // CRITICAL for custom URL scheme attribution
        if let openUrl = openUrl {
            config.openUrl = openUrl
        }

        // Initialize Singular SDK
        Singular.start(config)
    }

    // 2️⃣ Universal Links
    func scene(_ scene: UIScene, continue userActivity: NSUserActivity) {
        guard let config = getConfig() else { return }
        config.userActivity = userActivity

        // Initialize Singular SDK
        Singular.start(config)
    }

    // 3️⃣ Deep link schemes
    func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
        guard let config = getConfig() else { return }

        if let url = URLContexts.first?.url {
            config.openUrl = url
        }

        // Initialize Singular SDK
        Singular.start(config)
    }
}

import SwiftUI
import Singular

@main
struct simpleSwiftUIApp: App {
    @Environment(\.scenePhase) var scenePhase
    @State private var hasInitialized = false

    var body: some Scene {
        WindowGroup {
            ContentView()
                // 1️⃣ Handle custom URL schemes (e.g., myapp://path)
                .onOpenURL { url in
                    #if DEBUG
                    print("[Singular] URL Scheme:", url.absoluteString)
                    #endif

                    guard let config = getConfig() else { return }
                    config.openUrl = url
                    Singular.start(config)
                    hasInitialized = true
                }

                // 2️⃣ Handle Universal Links (e.g., https://links.your-domain.com)
                .onContinueUserActivity(NSUserActivityTypeBrowsingWeb) { userActivity in
                    #if DEBUG
                    print("[Singular] Universal Link:", userActivity.webpageURL?.absoluteString ?? "none")
                    #endif

                    guard let config = getConfig() else { return }
                    config.userActivity = userActivity
                    Singular.start(config)
                    hasInitialized = true
                }
        }
        .onChange(of: scenePhase) { oldPhase, newPhase in
            switch newPhase {
            case .active:
                // 3️⃣ Initialize ONLY on first launch if no deep link occurred
                guard !hasInitialized else {
                    #if DEBUG
                    print("[Singular] Already initialized, skipping")
                    #endif
                    return
                }

                #if DEBUG
                if let idfv = UIDevice.current.identifierForVendor?.uuidString {
                    print("[Singular] IDFV:", idfv)
                }
                #endif

                guard let config = getConfig() else { return }
                Singular.start(config)
                hasInitialized = true

            case .background:
                #if DEBUG
                print("[Singular] App backgrounded")
                #endif

            case .inactive:
                #if DEBUG
                print("[Singular] App inactive")
                #endif

            @unknown default:
                break
            }
        }
    }

    // Add your getConfig() function here
    // MARK: - Singular Configuration
    private func getConfig() -> SingularConfig? {
        // ... (same as above)
    }

    // Add your handleDeeplink() function here
    // MARK: - Deep Link Handler
    private func handleDeeplink(_ params: SingularLinkParams) {
        // ... (same as above)
    }
}

import Singular
import UIKit


class AppDelegate: UIResponder, UIApplicationDelegate {

    // 1️⃣ App launch
    func application(_ application: UIApplication,
                    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        // ANTI-SWIZZLING: Capture deep link parameters IMMEDIATELY before any
        // other code runs. This prevents third-party SDKs from intercepting
        // or modifying these values.
        let launchUrl = launchOptions?[.url] as? URL
        let userActivityDictionary = launchOptions?[.userActivityDictionary] as? [String: Any]
        let userActivity = userActivityDictionary?["UIApplicationLaunchOptionsUserActivityKey"] as? NSUserActivity

        #if DEBUG
        // Log captured values to detect swizzling interference
        print("[SWIZZLE CHECK] Launch URL captured:", launchUrl?.absoluteString ?? "none")
        print("[SWIZZLE CHECK] UserActivity captured:", userActivity?.webpageURL?.absoluteString ?? "none")
        print("IDFV:", UIDevice.current.identifierForVendor?.uuidString ?? "N/A")
        #endif

        // Singular initialization - uses captured values to avoid swizzling conflicts
        guard let config = getConfig() else { return true }

        // Pass the entire launchOptions dictionary for Singular's internal processing
        config.launchOptions = launchOptions

        // Explicitly pass Universal Link if available
        // CRITICAL for universal link attribution
        if let userActivity = userActivity {
            config.userActivity = userActivity
        }

        // Explicitly pass URL scheme if available
        // CRITICAL for custom URL scheme attribution
        if let launchUrl = launchUrl {
            config.openUrl = launchUrl
        }

        // Initialize Singular SDK
        Singular.start(config)

        return true
    }

    // 2️⃣ Universal Links
    func application(_ application: UIApplication,
                    continue userActivity: NSUserActivity,
                    restorationHandler: @escaping ([any UIUserActivityRestoring]?) -> Void) -> Bool {

        #if DEBUG
        print("[SWIZZLE CHECK] Universal Link handler called:", userActivity.webpageURL?.absoluteString ?? "none")
        #endif

        guard let config = getConfig() else { return true }
        config.userActivity = userActivity
        Singular.start(config)

        return true
    }

    // 3️⃣ Deep link schemes
    func application(_ app: UIApplication,
                    open url: URL,
                    options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {

        #if DEBUG
        print("[SWIZZLE CHECK] URL Scheme handler called:", url.absoluteString)
        #endif

        guard let config = getConfig() else { return true }
        config.openUrl = url
        Singular.start(config)

        return true
    }

    // Add your getConfig() function here
    // MARK: - Singular Configuration
    private func getConfig() -> SingularConfig? {
        // ... (same as above)
    }

    // Add your handleDeeplink() function here
    // MARK: - Deep Link Handler
    private func handleDeeplink(_ params: SingularLinkParams) {
        // ... (same as above)
    }
}