UserAuthManager.swift

class UserAuthManager {
    
    struct UserProfile {
        let username: String
        let email: String
        let phoneNumber: String
        let gender: String
    }
    
    static let shared: UserAuthManager = UserAuthManager()
    
    var userProfile: UserProfile?
    
    var isUserLoggedIn: Bool {
        userProfile != nil
    }
    
    private init() {}
    
    func login(with email: String, password: String, completion: @escaping (Result<UserProfile, Error>) -> Void) {
        SomeLoginProviderService.shared.login(email, password) { [weak self] result in
            guard let self else { return }
            switch result {
            case .success(let user):
                self.userProfile = UserProfile(username: user.username, email: user.email, phoneNumber: user.phoneNumber, gender: user.gender)
                completion(.success(self.userProfile))
            case .error(let error):
                completion(.failure(error))
            }
        }
    }
}