#import <UserNotifications/UserNotifications.h>

// ... rest of imports ...

@interface AppDelegate : UIResponder <UIApplicationDelegate, UNUserNotificationCenterDelegate>

// ... rest of the interface ...

@end

#import <BleshSDK/BleshSDK.h>
// ... rest of imports ...

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // mark this class as a UNUserNotificationCenterDelegate
    [[UNUserNotificationCenter currentNotificationCenter] setDelegate:self];

    // enable remote notifications
    [[UIApplication sharedApplication] registerForRemoteNotifications];

    // ... rest of the method ...

    return YES;
}

// support remote notifications
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {
    // notify Blesh SDK
    [[BleshSdk sharedInstance] didReceiveRemoteNotification:userInfo completion:^(UIBackgroundFetchResult result) {
        completionHandler(UIBackgroundFetchResultNewData);
    }];
}

- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
    // notify Blesh SDK
    [[BleshSdk sharedInstance] didReceiveDeviceToken:deviceToken];
}

// this method will be called when app received push notifications in foreground
- (void)userNotificationCenter:(UNUserNotificationCenter *)center
       willPresentNotification:(UNNotification *)notification
         withCompletionHandler:(void (^)(UNNotificationPresentationOptions options))completionHandler
{
  completionHandler(UNNotificationPresentationOptionAlert | UNNotificationPresentationOptionSound | UNNotificationPresentationOptionBadge);
}

- (void)userNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(void (^)(void))completionHandler
{
  // deliver to Blesh SDK
  [[BleshSdk sharedInstance] didReceiveUNNotificationResponse:response];

  completionHandler();
}

// ... rest of the class ...

@end

#import <UserNotifications/UserNotifications.h>
#import <FirebaseMessaging/FirebaseMessaging.h>

// ... rest of imports ...

@interface AppDelegate : UIResponder <UIApplicationDelegate, UNUserNotificationCenterDelegate, FIRMessagingDelegate>

// ... rest of the interface ...

@end

#import <BleshSDK/BleshSDK.h>
// ... rest of imports ...

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // mark this class as a UNUserNotificationCenterDelegate
    [[UNUserNotificationCenter currentNotificationCenter] setDelegate:self];

    // enable remote notifications
    [[UIApplication sharedApplication] registerForRemoteNotifications];

    // ... rest of the method ...

    return YES;
}

// support remote notifications
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {
    // notify FCM
    [[FIRMessaging messaging] appDidReceiveMessage:userInfo];

    // notify Blesh SDK
    [[BleshSdk sharedInstance] didReceiveRemoteNotification:userInfo completion:^(UIBackgroundFetchResult result) {
        completionHandler(UIBackgroundFetchResultNewData);
    }];
}

- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
    // notify FCM
    [[FIRMessaging messaging] setAPNSToken:deviceToken];

    // notify Blesh SDK
    [[BleshSdk sharedInstance] didReceiveDeviceToken:deviceToken];
}

// this method will be called when app received push notifications in foreground
- (void)userNotificationCenter:(UNUserNotificationCenter *)center
       willPresentNotification:(UNNotification *)notification
         withCompletionHandler:(void (^)(UNNotificationPresentationOptions options))completionHandler
{
  // deliver to FCM
  [[FIRMessaging messaging] appDidReceiveMessage:notification.request.content.userInfo];

  completionHandler(UNNotificationPresentationOptionAlert | UNNotificationPresentationOptionSound | UNNotificationPresentationOptionBadge);
}

- (void)userNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(void (^)(void))completionHandler
{
  // deliver to FCM
  [[FIRMessaging messaging] appDidReceiveMessage:response.notification.request.content.userInfo];

  // deliver to Blesh SDK
  [[BleshSdk sharedInstance] didReceiveUNNotificationResponse:response];

  completionHandler();
}

// ... rest of the class ...

@end

- (void)startWithApplicationUser:(BleshSdkApplicationUser *)applicationUser 
               withConfiguration:(BleshSdkConfiguration *)configuration 
               completionHandler:(void (^)(enum BleshSdkStartState))completionHandler;

- (void)startWithSecretKey:(NSString *)secretKey 
       withApplicationUser:(BleshSdkApplicationUser *)applicationUser 
         withConfiguration:(BleshSdkConfiguration *)configuration 
         completionHandler:(void (^)(enum BleshSdkStartState))completionHandler;

[[BleshSdk sharedInstance] start];

BleshSdk* bleshSdk = [[BleshSdk alloc] init];
[bleshSdk start];

BleshSdkConfiguration *configuration = [[BleshSdkConfiguration alloc]
                                        initWithTestMode:false
                                        adsEnabled:true
                                        pushNotificationToken:[FIRMessaging messaging].FCMToken ?: [BleshSdk sharedInstance].pushNotificationToken];

BleshSdkApplicationUser *user = [[BleshSdkApplicationUser alloc] initWithUserId:@"42"
                                      genderCode:0 // 0: female 1: male
                                      yearOfBirth:@1999
                                      email:@"[email protected]"
                                      phoneNumber:@"+905550000000"
                                      other:nil];

[[BleshSdk sharedInstance] startWithApplicationUser:user
                                  withConfiguration:configuration
                                  completionHandler:^(enum BleshSdkStartState state) {
    // ... INSERT BUSINESS LOGIC HERE ...
    if (state == BleshSdkStartStateFailure) {
        NSLog(@"BleshSDK start completed: failure");
    } else if (state == BleshSdkStartStateSkipped) {
        NSLog(@"BleshSDK start completed: skipped");
    } else {
        NSLog(@"BleshSDK start completed: success");
    }
}];

#import <UIKit/UIKit.h>
#import <CoreLocation/CoreLocation.h>
#import <BleshSDK/BleshSDK.h>
// ... rest of imports ...

@interface ViewController : UIViewController<CLLocationManagerDelegate>
{
    CLLocationManager *locationManager;
}

// ... rest of the interface ...

@end

#import "ViewController.h"

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    locationManager = [[CLLocationManager alloc] init];
    locationManager.desiredAccuracy = kCLLocationAccuracyBest;
    locationManager.delegate = self;
    locationManager.distanceFilter = 10;
    [locationManager requestAlwaysAuthorization];
    [locationManager requestLocation];

    // ... rest of the method ...
}

- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status {
    // Notify the Blesh iOS SDK about the change here
    [[BleshSdk sharedInstance] didChangeLocationAuthorization:status];

    // ... rest of the method ...
}

// ... rest of the class ...

@end