Initialize and configure the SDK

import AVFoundation
import PassioNutritionAISDK

let passioSDK = PassioNutritionAI.shared
var videoLayer: AVCaptureVideoPreviewLayer?
var isSDKConfigured = false
var isProcessingResult = false

func configureSDK() {
    // If you are using SDK key
    let key = "Your_SDK_Key"
    let passioConfig = PassioConfiguration(key: key)
    
    // If you are using Proxy URL
    var passioConfig = PassioConfiguration()
    passioConfig.proxyUrl = "https://yourdomain.com/nutrition/"
    passioConfig.proxyHeaders = ["header" : "value"] // Set required headers
    
    passioSDK.configure(passioConfiguration: passioConfig) { [weak self] status in
        guard let self else { return }
        
        print("Mode = \(status.mode)\n missingfiles = \(String(describing: status.missingFiles))" )
        self.isSDKConfigured = (status.mode == .isReadyForDetection)
        if self.isSDKConfigured {
            DispatchQueue.main.async {
                self.checkCameraAuthorizationAndStartDetection()
            }
        } else {
            print("SDK configuration failed. Mode: \(status.mode)")
        }
    }
}

override func viewDidLoad() {
    super.viewDidLoad()
    configureSDK()
}

public struct PassioStatus {
    public internal(set) var mode: PassioSDK.PassioMode { get }
    public internal(set) var missingFiles: [PassioSDK.FileName]? { get }
    public internal(set) var debugMessage: String? { get }
    public internal(set) var activeModels: Int? { get }
}

public enum PassioMode {
    case notReady
    case isBeingConfigured
    case isDownloadingModels
    case isReadyForDetection
    case failedToConfigure
}