import UIKit
import Flutter
import FirebaseCore
import CarPlay

import CoreLocation

@main
@objc class AppDelegate: FlutterAppDelegate {
    
    let locationManager = CLLocationManager()

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

        
        // Now continue with the rest of the app initialization.
        FirebaseApp.configure()
        GeneratedPluginRegistrant.register(with: self)

        // التأكد من أن الجهاز غير مخترق قبل تشغيل التطبيق
        if SecurityChecks.isDeviceCompromised() {
            showSecurityAlert()
            return false
        }

        // تهيئة قنوات الاتصال مع Flutter
        setupMethodChannel()
        setupCarNavigationChannel()

        // ضبط مدير الموقع لمتابعة تغييرات الأذونات
        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()

        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
    }

    // MARK: - CarPlay Connection (Non-Scene API)

    override func application(
        _ application: UIApplication,
        didConnectCarInterfaceController interfaceController: CPInterfaceController,
        to window: CPWindow
    ) {
        let sceneDelegate = CarPlaySceneDelegate()
        sceneDelegate.interfaceController = interfaceController

        let mapTemplate = CPMapTemplate()
        sceneDelegate.mapTemplate = mapTemplate
        mapTemplate.guidanceBackgroundStyle = .light

        interfaceController.setRootTemplate(mapTemplate, animated: true)

        CarPlayState.shared.sceneDelegate = sceneDelegate
    }

    override func application(
        _ application: UIApplication,
        didDisconnectCarInterfaceController interfaceController: CPInterfaceController,
        from window: CPWindow
    ) {
        CarPlayState.shared.sceneDelegate?.stopNavigation()
        CarPlayState.shared.sceneDelegate = nil
    }

    // MARK: - تهيئة القناة بين Swift و Flutter
    func setupMethodChannel() {
        guard let controller = window?.rootViewController as? FlutterViewController else {
            return
        }

        let channel = FlutterMethodChannel(name: "com.siro.siro_driver/security",
                                           binaryMessenger: controller.binaryMessenger)
        channel.setMethodCallHandler { call, result in
            switch call.method {
            case "isNativeRooted":
                result(SecurityChecks.isDeviceCompromised())
            default:
                result(FlutterMethodNotImplemented)
            }
        }
    }

    // MARK: - Car Navigation Method Channel

    func setupCarNavigationChannel() {
        guard let controller = window?.rootViewController as? FlutterViewController else {
            return
        }

        let channel = FlutterMethodChannel(
            name: "com.siro.siro_driver/car_navigation",
            binaryMessenger: controller.binaryMessenger
        )
        channel.setMethodCallHandler { [weak self] call, result in
            guard let self = self else { return }
            switch call.method {
            case "updateNavState":
                let lat = (call.arguments as? [String: Any])?["lat"] as? Double ?? 0
                let lng = (call.arguments as? [String: Any])?["lng"] as? Double ?? 0
                let bearing = (call.arguments as? [String: Any])?["bearing"] as? Double ?? 0
                let speed = (call.arguments as? [String: Any])?["speed"] as? Double ?? 0
                let instruction = (call.arguments as? [String: Any])?["instruction"] as? String ?? ""
                let distanceToStep = (call.arguments as? [String: Any])?["distanceToStep"] as? Double ?? 0
                let eta = (call.arguments as? [String: Any])?["eta"] as? Double ?? 0
                let maneuver = (call.arguments as? [String: Any])?["maneuver"] as? Int ?? 0
                let isNavigating = (call.arguments as? [String: Any])?["isNavigating"] as? Bool ?? false

                DispatchQueue.main.async {
                    guard let delegate = CarPlayState.shared.sceneDelegate else { return }
                    if isNavigating {
                        if delegate.navigationSession == nil {
                            delegate.startNavigation(
                                instruction: instruction,
                                distance: distanceToStep,
                                eta: eta,
                                maneuverType: maneuver
                            )
                        } else {
                            delegate.updateManeuver(
                                instruction: instruction,
                                distance: distanceToStep,
                                maneuverType: maneuver
                            )
                            delegate.updateArrivalEstimates(eta: eta)
                        }
                        delegate.updateLocation(lat: lat, lng: lng, bearing: bearing)
                    } else {
                        delegate.stopNavigation()
                    }
                }
                result(true)

            case "updateLocation":
                let lat = (call.arguments as? [String: Any])?["lat"] as? Double ?? 0
                let lng = (call.arguments as? [String: Any])?["lng"] as? Double ?? 0
                let bearing = (call.arguments as? [String: Any])?["bearing"] as? Double ?? 0

                DispatchQueue.main.async {
                    CarPlayState.shared.sceneDelegate?.updateLocation(
                        lat: lat,
                        lng: lng,
                        bearing: bearing
                    )
                }
                result(true)

            case "updateInstruction":
                let instruction = (call.arguments as? [String: Any])?["instruction"] as? String ?? ""
                let maneuver = (call.arguments as? [String: Any])?["maneuver"] as? Int ?? 0
                let distanceToStep = (call.arguments as? [String: Any])?["distanceToStep"] as? Double ?? 0

                DispatchQueue.main.async {
                    CarPlayState.shared.sceneDelegate?.updateManeuver(
                        instruction: instruction,
                        distance: distanceToStep,
                        maneuverType: maneuver
                    )
                }
                result(true)

            case "stopNavigation":
                DispatchQueue.main.async {
                    CarPlayState.shared.sceneDelegate?.stopNavigation()
                }
                result(true)

            default:
                result(FlutterMethodNotImplemented)
            }
        }
    }

    // MARK: - عرض تنبيه عند اكتشاف جهاز مخترق
    func showSecurityAlert() {
        guard let rootVC = UIApplication.shared.keyWindow?.rootViewController else {
            exit(0)
        }

        let alert = UIAlertController(
            title: "Security Warning".localized,
            message: "Compromised device detected. Exiting.".localized,
            preferredStyle: .alert
        )

        alert.addAction(UIAlertAction(title: "OK".localized, style: .destructive) { _ in
            self.obfuscatedExit()
        })

        if #available(iOS 15.0, *) {
            alert.popoverPresentationController?.sourceView = rootVC.view
            alert.popoverPresentationController?.sourceRect = CGRect(x: rootVC.view.bounds.midX, y: rootVC.view.bounds.midY, width: 0, height: 0)
            alert.popoverPresentationController?.permittedArrowDirections = []
            alert.presentationController?.delegate = self

            if let presentationController = alert.presentationController as? UISheetPresentationController {
                presentationController.detents = [.medium()]
                presentationController.preferredCornerRadius = 20
                presentationController.prefersEdgeAttachedInCompactHeight = true
                presentationController.prefersGrabberVisible = false
            }
        }

        rootVC.present(alert, animated: true, completion: nil)
    }

    // MARK: - إخفاء عملية الخروج بطريقة مشفرة
    func obfuscatedExit() {
        let selector = NSSelectorFromString(String(format: "%@%@", "ex", "it:"))
        if responds(to: selector) {
            perform(selector, with: 0)
        }
    }


}

// MARK: - التعامل مع أذونات الموقع بطريقة آمنة
extension AppDelegate: CLLocationManagerDelegate {
    func locationManagerDidChangeAuthorization(_ manager: CLLocationManager) {
        if #available(iOS 14.0, *) {
            let status = manager.authorizationStatus
            switch status {
            case .authorizedWhenInUse, .authorizedAlways:
                print("Authorization granted")
            case .denied, .restricted:
                print("Authorization denied")
            case .notDetermined:
                manager.requestWhenInUseAuthorization()
            @unknown default:
                break
            }
        } else {
            // لنظام iOS 13 وما قبله، نستخدم الطريقة القديمة
            let status = CLLocationManager.authorizationStatus()
            switch status {
            case .authorizedWhenInUse, .authorizedAlways:
                print("Authorization granted")
            case .denied, .restricted:
                print("Authorization denied")
            case .notDetermined:
                manager.requestWhenInUseAuthorization()
            @unknown default:
                break
            }
        }
    }
}

// MARK: - منع إغلاق التنبيهات الأمنية
extension AppDelegate: UIAdaptivePresentationControllerDelegate {
    func presentationControllerShouldDismiss(_ presentationController: UIPresentationController) -> Bool {
        return false
    }
}

// MARK: - دعم الترجمة للنصوص
extension String {
    var localized: String {
        return NSLocalizedString(self, tableName: nil, bundle: Bundle.main, value: "", comment: "")
    }
}